Search

Ko Hung Chan

Examiner (ID: 3751, Phone: (571)272-6816 , Office: P/3631 )

Most Active Art Unit
3631
Art Unit(s)
3632, 3637, 2899, 3631, 3505
Total Applications
2358
Issued Applications
1615
Pending Applications
111
Abandoned Applications
656

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6724062 [patent_doc_number] => 20030206374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-11-06 [patent_title] => 'Magnetic head and magnetic recording apparatus provided with the same' [patent_app_type] => new [patent_app_number] => 10/422563 [patent_app_country] => US [patent_app_date] => 2003-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7000 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0206/20030206374.pdf [firstpage_image] =>[orig_patent_app_number] => 10422563 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/422563
Magnetic head having pads provided on the medium-facing surface for minimizing influences of air changes and magnetic recording apparatus provided with the same Apr 22, 2003 Issued
Array ( [id] => 7453344 [patent_doc_number] => 20040051996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-18 [patent_title] => 'Writer core structures having improved thermal dissipation properties' [patent_app_type] => new [patent_app_number] => 10/421538 [patent_app_country] => US [patent_app_date] => 2003-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5428 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0051/20040051996.pdf [firstpage_image] =>[orig_patent_app_number] => 10421538 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/421538
Writer core structures having improved thermal dissipation properties Apr 22, 2003 Issued
Array ( [id] => 947164 [patent_doc_number] => 06965499 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-11-15 [patent_title] => 'Head suspension configured for improved thermal performance during solder ball bonding to head slider' [patent_app_type] => utility [patent_app_number] => 10/421180 [patent_app_country] => US [patent_app_date] => 2003-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 3461 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/965/06965499.pdf [firstpage_image] =>[orig_patent_app_number] => 10421180 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/421180
Head suspension configured for improved thermal performance during solder ball bonding to head slider Apr 22, 2003 Issued
Array ( [id] => 6804037 [patent_doc_number] => 20030231431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-12-18 [patent_title] => 'Aerodynamically shaped load beam having reduced windage and reduced off-track PES' [patent_app_type] => new [patent_app_number] => 10/420326 [patent_app_country] => US [patent_app_date] => 2003-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4872 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0231/20030231431.pdf [firstpage_image] =>[orig_patent_app_number] => 10420326 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/420326
Aerodynamically shaped load beam having reduced windage and reduced off-track PES Apr 21, 2003 Issued
Array ( [id] => 6808038 [patent_doc_number] => 20030197977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-23 [patent_title] => 'Recording medium cartridge' [patent_app_type] => new [patent_app_number] => 10/419115 [patent_app_country] => US [patent_app_date] => 2003-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 8429 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0197/20030197977.pdf [firstpage_image] =>[orig_patent_app_number] => 10419115 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/419115
Recording medium cartridge Apr 20, 2003 Abandoned
Array ( [id] => 7418198 [patent_doc_number] => 20040207953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Mobile storage device' [patent_app_type] => new [patent_app_number] => 10/419336 [patent_app_country] => US [patent_app_date] => 2003-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2474 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0207/20040207953.pdf [firstpage_image] =>[orig_patent_app_number] => 10419336 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/419336
Hermetically sealed mobile hard disk drive utilizing a base made of a ceramic substrate Apr 20, 2003 Issued
Array ( [id] => 944769 [patent_doc_number] => 06967825 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-11-22 [patent_title] => 'GMR read sensor with an antiparallel (AP) coupled free layer structure and antiparallel (AP) tab ends utilizing a process stop layer to protect the bias layer' [patent_app_type] => utility [patent_app_number] => 10/418884 [patent_app_country] => US [patent_app_date] => 2003-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 4762 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/967/06967825.pdf [firstpage_image] =>[orig_patent_app_number] => 10418884 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/418884
GMR read sensor with an antiparallel (AP) coupled free layer structure and antiparallel (AP) tab ends utilizing a process stop layer to protect the bias layer Apr 16, 2003 Issued
Array ( [id] => 7210143 [patent_doc_number] => 20040070880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Method and apparatus for grounding a magnetic recording head' [patent_app_type] => new [patent_app_number] => 10/414233 [patent_app_country] => US [patent_app_date] => 2003-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3570 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0070/20040070880.pdf [firstpage_image] =>[orig_patent_app_number] => 10414233 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/414233
Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head Apr 15, 2003 Issued
Array ( [id] => 6854979 [patent_doc_number] => 20030128480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-10 [patent_title] => 'Thin-film magnetic head and magnetic storage apparatus using the same' [patent_app_type] => new [patent_app_number] => 10/375239 [patent_app_country] => US [patent_app_date] => 2003-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 6537 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0128/20030128480.pdf [firstpage_image] =>[orig_patent_app_number] => 10375239 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/375239
Thin-film magnetic head with nonmagnetic body filled concave portion formed on a pole layer and magnetic storage apparatus using the same Feb 26, 2003 Issued
Array ( [id] => 7614473 [patent_doc_number] => 06898057 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-05-24 [patent_title] => 'Thin film magnetic head having multiple layered films determining track width imbedded in an insulating film and method of manufacturing the same' [patent_app_type] => utility [patent_app_number] => 10/372803 [patent_app_country] => US [patent_app_date] => 2003-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 38 [patent_no_of_words] => 7415 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/898/06898057.pdf [firstpage_image] =>[orig_patent_app_number] => 10372803 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/372803
Thin film magnetic head having multiple layered films determining track width imbedded in an insulating film and method of manufacturing the same Feb 25, 2003 Issued
Array ( [id] => 793805 [patent_doc_number] => 06982852 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-03 [patent_title] => 'Carriage arm assembly for magnetic disk drive' [patent_app_type] => utility [patent_app_number] => 10/372833 [patent_app_country] => US [patent_app_date] => 2003-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5166 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/982/06982852.pdf [firstpage_image] =>[orig_patent_app_number] => 10372833 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/372833
Carriage arm assembly for magnetic disk drive Feb 25, 2003 Issued
Array ( [id] => 6828452 [patent_doc_number] => 20030179510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-09-25 [patent_title] => 'Magnetic head, magnetic head gimbal assembly, magnetic recording and reproducing apparatus, and magnetic memory' [patent_app_type] => new [patent_app_number] => 10/372790 [patent_app_country] => US [patent_app_date] => 2003-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6572 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0179/20030179510.pdf [firstpage_image] =>[orig_patent_app_number] => 10372790 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/372790
Magnetic head, magnetic head gimbal assembly, magnetic recording and reproducing apparatus, and magnetic memory Feb 25, 2003 Issued
Array ( [id] => 964816 [patent_doc_number] => 06950287 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-09-27 [patent_title] => 'Disk drive having a two-stage actuator for suppressing a flying-height fluctuation' [patent_app_type] => utility [patent_app_number] => 10/372921 [patent_app_country] => US [patent_app_date] => 2003-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3639 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/950/06950287.pdf [firstpage_image] =>[orig_patent_app_number] => 10372921 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/372921
Disk drive having a two-stage actuator for suppressing a flying-height fluctuation Feb 25, 2003 Issued
Array ( [id] => 7610548 [patent_doc_number] => 06842310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-01-11 [patent_title] => 'Rotary head drum device having hollow portions in bonding surfaces for adhesively bonding rotary transformers thereto and method for manufacturing the same' [patent_app_type] => utility [patent_app_number] => 10/372962 [patent_app_country] => US [patent_app_date] => 2003-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 3871 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/842/06842310.pdf [firstpage_image] =>[orig_patent_app_number] => 10372962 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/372962
Rotary head drum device having hollow portions in bonding surfaces for adhesively bonding rotary transformers thereto and method for manufacturing the same Feb 25, 2003 Issued
Array ( [id] => 784421 [patent_doc_number] => 06992860 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-31 [patent_title] => 'Recording/reproducing separated magnetic head with concave portion formed in air bearing protective film' [patent_app_type] => utility [patent_app_number] => 10/372406 [patent_app_country] => US [patent_app_date] => 2003-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3353 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/992/06992860.pdf [firstpage_image] =>[orig_patent_app_number] => 10372406 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/372406
Recording/reproducing separated magnetic head with concave portion formed in air bearing protective film Feb 24, 2003 Issued
Array ( [id] => 7392165 [patent_doc_number] => 20040017633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-01-29 [patent_title] => 'Library apparatus' [patent_app_type] => new [patent_app_number] => 10/370628 [patent_app_country] => US [patent_app_date] => 2003-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 9827 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0017/20040017633.pdf [firstpage_image] =>[orig_patent_app_number] => 10370628 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/370628
Library apparatus for charging or discharging a plurality of cartridges at the same time Feb 23, 2003 Issued
Array ( [id] => 745294 [patent_doc_number] => 07031119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-18 [patent_title] => 'CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same' [patent_app_type] => utility [patent_app_number] => 10/369682 [patent_app_country] => US [patent_app_date] => 2003-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 7995 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/031/07031119.pdf [firstpage_image] =>[orig_patent_app_number] => 10369682 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/369682
CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the same Feb 20, 2003 Issued
Array ( [id] => 780784 [patent_doc_number] => 06995956 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-07 [patent_title] => 'Rotary head having an adjustable magnetic head and a magnetic recording/reproducing apparatus' [patent_app_type] => utility [patent_app_number] => 10/369615 [patent_app_country] => US [patent_app_date] => 2003-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 19 [patent_no_of_words] => 8488 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/995/06995956.pdf [firstpage_image] =>[orig_patent_app_number] => 10369615 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/369615
Rotary head having an adjustable magnetic head and a magnetic recording/reproducing apparatus Feb 20, 2003 Issued
Array ( [id] => 761733 [patent_doc_number] => 07016163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-21 [patent_title] => 'Magnetic field sensor' [patent_app_type] => utility [patent_app_number] => 10/370652 [patent_app_country] => US [patent_app_date] => 2003-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5326 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/016/07016163.pdf [firstpage_image] =>[orig_patent_app_number] => 10370652 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/370652
Magnetic field sensor Feb 19, 2003 Issued
Array ( [id] => 6738979 [patent_doc_number] => 20030156348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-21 [patent_title] => 'Tape pulling-out member in magnetic recording-and-reproducing apparatus' [patent_app_type] => new [patent_app_number] => 10/368393 [patent_app_country] => US [patent_app_date] => 2003-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2757 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0156/20030156348.pdf [firstpage_image] =>[orig_patent_app_number] => 10368393 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/368393
Tape pulling-out member in magnetic recording-and-reproducing apparatus Feb 19, 2003 Abandoned
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