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] => 988762 [patent_doc_number] => 06922317 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-26 [patent_title] => 'Magnetic flux closure layer for laminated magnetic shields of magnetic heads' [patent_app_type] => utility [patent_app_number] => 10/340329 [patent_app_country] => US [patent_app_date] => 2003-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 5161 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/922/06922317.pdf [firstpage_image] =>[orig_patent_app_number] => 10340329 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/340329
Magnetic flux closure layer for laminated magnetic shields of magnetic heads Jan 9, 2003 Issued
Array ( [id] => 6738984 [patent_doc_number] => 20030156353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-21 [patent_title] => 'Hydrodynamic bearing motor having a molded plastic hub' [patent_app_type] => new [patent_app_number] => 10/340248 [patent_app_country] => US [patent_app_date] => 2003-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2037 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0156/20030156353.pdf [firstpage_image] =>[orig_patent_app_number] => 10340248 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/340248
Hydrodynamic bearing motor having a molded plastic hub Jan 9, 2003 Issued
Array ( [id] => 7320345 [patent_doc_number] => 20040136118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-15 [patent_title] => 'Graded laminated thin film poles and shields for magnetic heads' [patent_app_type] => new [patent_app_number] => 10/340327 [patent_app_country] => US [patent_app_date] => 2003-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5746 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0136/20040136118.pdf [firstpage_image] =>[orig_patent_app_number] => 10340327 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/340327
Graded laminated thin film poles and shields for magnetic heads Jan 9, 2003 Issued
Array ( [id] => 6635663 [patent_doc_number] => 20030103294 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-05 [patent_title] => 'Magnetic disk drive' [patent_app_type] => new [patent_app_number] => 10/318114 [patent_app_country] => US [patent_app_date] => 2002-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8676 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0103/20030103294.pdf [firstpage_image] =>[orig_patent_app_number] => 10318114 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/318114
Magnetic disk drive Dec 12, 2002 Issued
Array ( [id] => 704581 [patent_doc_number] => 07064932 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-06-20 [patent_title] => 'Head stack and actuator arm assemblies and disk drives having an actuator including an actuator arm spacer to increase actuator and suspension stiffness and to reduce the number of actuator arm resonance modes' [patent_app_type] => utility [patent_app_number] => 10/306984 [patent_app_country] => US [patent_app_date] => 2002-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3779 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/064/07064932.pdf [firstpage_image] =>[orig_patent_app_number] => 10306984 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/306984
Head stack and actuator arm assemblies and disk drives having an actuator including an actuator arm spacer to increase actuator and suspension stiffness and to reduce the number of actuator arm resonance modes Nov 26, 2002 Issued
Array ( [id] => 7342106 [patent_doc_number] => 20040246631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-09 [patent_title] => 'Spin valve magnetoresistive device with enhanced performance' [patent_app_type] => new [patent_app_number] => 10/492493 [patent_app_country] => US [patent_app_date] => 2004-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7195 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0246/20040246631.pdf [firstpage_image] =>[orig_patent_app_number] => 10492493 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/492493
Spin valve magnetoresistive device with conductive-magnetic material bridges in a dielectric or semiconducting layer alternatively of magnetic material Oct 9, 2002 Issued
Array ( [id] => 1107971 [patent_doc_number] => 06813114 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-02 [patent_title] => 'Magnetic recording medium having a disk drive and cartridge' [patent_app_type] => B2 [patent_app_number] => 10/266584 [patent_app_country] => US [patent_app_date] => 2002-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2901 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/813/06813114.pdf [firstpage_image] =>[orig_patent_app_number] => 10266584 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/266584
Magnetic recording medium having a disk drive and cartridge Oct 8, 2002 Issued
Array ( [id] => 7392171 [patent_doc_number] => 20040017634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-01-29 [patent_title] => 'Portable storage device' [patent_app_type] => new [patent_app_number] => 10/266575 [patent_app_country] => US [patent_app_date] => 2002-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3441 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0017/20040017634.pdf [firstpage_image] =>[orig_patent_app_number] => 10266575 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/266575
Portable storage device Oct 8, 2002 Abandoned
Array ( [id] => 6812561 [patent_doc_number] => 20030072111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-17 [patent_title] => 'Magnetic sensor having free magnetic layer of multi-layered ferri-structure' [patent_app_type] => new [patent_app_number] => 10/267201 [patent_app_country] => US [patent_app_date] => 2002-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 36434 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0072/20030072111.pdf [firstpage_image] =>[orig_patent_app_number] => 10267201 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/267201
Magnetic sensor having adjusted specific resistance distribution of first magnetic layer of free magnetic layer of multi-layered ferri-structure Oct 8, 2002 Issued
Array ( [id] => 6816757 [patent_doc_number] => 20030067715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-10 [patent_title] => 'Magnetic disk cartridge' [patent_app_type] => new [patent_app_number] => 10/266576 [patent_app_country] => US [patent_app_date] => 2002-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 12836 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0067/20030067715.pdf [firstpage_image] =>[orig_patent_app_number] => 10266576 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/266576
Magnetic disk cartridge Oct 8, 2002 Issued
Array ( [id] => 7440028 [patent_doc_number] => 20040066576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-08 [patent_title] => 'Magnetic head with a vertically laminated back gap structure and method of making the same' [patent_app_type] => new [patent_app_number] => 10/266471 [patent_app_country] => US [patent_app_date] => 2002-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6047 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0066/20040066576.pdf [firstpage_image] =>[orig_patent_app_number] => 10266471 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/266471
Magnetic head with a vertically laminated back gap structure having magnetic layer thicknesses less than the skin depth Oct 7, 2002 Issued
Array ( [id] => 1175547 [patent_doc_number] => 06754041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-06-22 [patent_title] => 'Disc drive cover portion thermally coupled to a preamplifier' [patent_app_type] => B2 [patent_app_number] => 10/267439 [patent_app_country] => US [patent_app_date] => 2002-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4339 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/754/06754041.pdf [firstpage_image] =>[orig_patent_app_number] => 10267439 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/267439
Disc drive cover portion thermally coupled to a preamplifier Oct 7, 2002 Issued
Array ( [id] => 1019701 [patent_doc_number] => 06891699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-05-10 [patent_title] => 'Recording medium drive including head slider having protection protuberance standing on air bearing surface' [patent_app_type] => utility [patent_app_number] => 10/266851 [patent_app_country] => US [patent_app_date] => 2002-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 9560 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/891/06891699.pdf [firstpage_image] =>[orig_patent_app_number] => 10266851 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/266851
Recording medium drive including head slider having protection protuberance standing on air bearing surface Oct 7, 2002 Issued
Array ( [id] => 1087534 [patent_doc_number] => 06831811 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-12-14 [patent_title] => 'Disk drive with evacuation/fill valve assembly' [patent_app_type] => B1 [patent_app_number] => 10/266436 [patent_app_country] => US [patent_app_date] => 2002-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 9599 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 21 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/831/06831811.pdf [firstpage_image] =>[orig_patent_app_number] => 10266436 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/266436
Disk drive with evacuation/fill valve assembly Oct 7, 2002 Issued
Array ( [id] => 7440040 [patent_doc_number] => 20040066577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-08 [patent_title] => 'Apparatus and method for protecting a magnetic head coil during pole notch processing' [patent_app_type] => new [patent_app_number] => 10/267345 [patent_app_country] => US [patent_app_date] => 2002-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2435 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0066/20040066577.pdf [firstpage_image] =>[orig_patent_app_number] => 10267345 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/267345
Magnetic head coil and structure for protecting same during pole notch processing Oct 7, 2002 Issued
Array ( [id] => 7440099 [patent_doc_number] => 20040066585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-08 [patent_title] => 'Dual stage suspension with PZT actuators' [patent_app_type] => new [patent_app_number] => 10/265554 [patent_app_country] => US [patent_app_date] => 2002-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5072 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0066/20040066585.pdf [firstpage_image] =>[orig_patent_app_number] => 10265554 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/265554
Dual stage suspension with PZT actuators arranged to improve actuation in suspensions of short length Oct 6, 2002 Issued
Array ( [id] => 763593 [patent_doc_number] => 07012785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-14 [patent_title] => 'Method and apparatus for head slider and suspension reducing air flow turbulence about the slider when accessing a rotating disk in a disk drive' [patent_app_type] => utility [patent_app_number] => 10/266539 [patent_app_country] => US [patent_app_date] => 2002-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 15 [patent_no_of_words] => 3060 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/012/07012785.pdf [firstpage_image] =>[orig_patent_app_number] => 10266539 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/266539
Method and apparatus for head slider and suspension reducing air flow turbulence about the slider when accessing a rotating disk in a disk drive Oct 6, 2002 Issued
Array ( [id] => 6868665 [patent_doc_number] => 20030081354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-01 [patent_title] => 'Magnetic actuator latch apparatus for a disc drive' [patent_app_type] => new [patent_app_number] => 10/265039 [patent_app_country] => US [patent_app_date] => 2002-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4348 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0081/20030081354.pdf [firstpage_image] =>[orig_patent_app_number] => 10265039 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/265039
Magnetic actuator latch apparatus for a disc drive Oct 3, 2002 Abandoned
Array ( [id] => 784423 [patent_doc_number] => 06992861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-31 [patent_title] => 'Head suspension for swing arm actuator' [patent_app_type] => utility [patent_app_number] => 10/264146 [patent_app_country] => US [patent_app_date] => 2002-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 3779 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/992/06992861.pdf [firstpage_image] =>[orig_patent_app_number] => 10264146 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/264146
Head suspension for swing arm actuator Oct 2, 2002 Issued
Array ( [id] => 775878 [patent_doc_number] => 07002774 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-21 [patent_title] => 'Recirculating filter for a data storage device' [patent_app_type] => utility [patent_app_number] => 10/263260 [patent_app_country] => US [patent_app_date] => 2002-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4305 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/002/07002774.pdf [firstpage_image] =>[orig_patent_app_number] => 10263260 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/263260
Recirculating filter for a data storage device Oct 1, 2002 Issued
Menu