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] => 7131504 [patent_doc_number] => 20040042127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-04 [patent_title] => 'Spin-valve head containing partial current-screen-layer, product method of said head, and current-screen method' [patent_app_type] => new [patent_app_number] => 10/368478 [patent_app_country] => US [patent_app_date] => 2003-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 15546 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0042/20040042127.pdf [firstpage_image] =>[orig_patent_app_number] => 10368478 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/368478
Spin-valve head containing partial current-screen-layer, product method of said head, and current-screen method Feb 19, 2003 Abandoned
Array ( [id] => 973778 [patent_doc_number] => 06937445 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-30 [patent_title] => 'Recording/reproducing separated type head with heat radiating structure' [patent_app_type] => utility [patent_app_number] => 10/368572 [patent_app_country] => US [patent_app_date] => 2003-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4031 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/937/06937445.pdf [firstpage_image] =>[orig_patent_app_number] => 10368572 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/368572
Recording/reproducing separated type head with heat radiating structure Feb 19, 2003 Issued
Array ( [id] => 7420472 [patent_doc_number] => 20040160699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-19 [patent_title] => 'TAPE GUIDE DEVICE' [patent_app_type] => new [patent_app_number] => 10/367788 [patent_app_country] => US [patent_app_date] => 2003-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2287 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0160/20040160699.pdf [firstpage_image] =>[orig_patent_app_number] => 10367788 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/367788
Tape guide device Feb 18, 2003 Issued
Array ( [id] => 6828446 [patent_doc_number] => 20030179504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-09-25 [patent_title] => 'Rotary head drum unit and magnetic tape drive' [patent_app_type] => new [patent_app_number] => 10/368727 [patent_app_country] => US [patent_app_date] => 2003-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8367 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0179/20030179504.pdf [firstpage_image] =>[orig_patent_app_number] => 10368727 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/368727
Negative pressure type rotary head drum unit and magnetic tape drive using the same Feb 17, 2003 Issued
Array ( [id] => 6738990 [patent_doc_number] => 20030156359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-21 [patent_title] => 'Thin-film electrode layer, thin film magnetic head using the same, and method for forming electrodes in a thin film magnetic head' [patent_app_type] => new [patent_app_number] => 10/369058 [patent_app_country] => US [patent_app_date] => 2003-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6220 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0156/20030156359.pdf [firstpage_image] =>[orig_patent_app_number] => 10369058 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/369058
Thin-film electrode layer including β-ta and thin-film magnetic head using the same Feb 17, 2003 Issued
Array ( [id] => 745290 [patent_doc_number] => 07031117 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-18 [patent_title] => 'Modular rotary actuator assembly for a rotatable media data storage device' [patent_app_type] => utility [patent_app_number] => 10/366074 [patent_app_country] => US [patent_app_date] => 2003-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3886 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/031/07031117.pdf [firstpage_image] =>[orig_patent_app_number] => 10366074 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/366074
Modular rotary actuator assembly for a rotatable media data storage device Feb 12, 2003 Issued
Array ( [id] => 7420494 [patent_doc_number] => 20040160702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-19 [patent_title] => 'Electrostatic microactuator with electrically isolated movable portion and associated drive circuitry' [patent_app_type] => new [patent_app_number] => 10/367022 [patent_app_country] => US [patent_app_date] => 2003-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3748 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0160/20040160702.pdf [firstpage_image] =>[orig_patent_app_number] => 10367022 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/367022
Electrostatic microactuator with electrically isolated movable portion and associated drive circuitry Feb 12, 2003 Issued
Array ( [id] => 7146064 [patent_doc_number] => 20040169955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-02 [patent_title] => 'Magnetic recording/reproducing device' [patent_app_type] => new [patent_app_number] => 10/473849 [patent_app_country] => US [patent_app_date] => 2003-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5113 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0169/20040169955.pdf [firstpage_image] =>[orig_patent_app_number] => 10473849 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/473849
Miniaturized video cassette camera including a rotatable grip member Feb 6, 2003 Issued
Array ( [id] => 7342066 [patent_doc_number] => 20040246620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-09 [patent_title] => 'Thin-film magnetic head and method of manufacturing same' [patent_app_type] => new [patent_app_number] => 10/354066 [patent_app_country] => US [patent_app_date] => 2003-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 25259 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0246/20040246620.pdf [firstpage_image] =>[orig_patent_app_number] => 10354066 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/354066
Thin-film magnetic head with thin-film coil of low resistance Jan 29, 2003 Issued
Array ( [id] => 6828432 [patent_doc_number] => 20030179490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-09-25 [patent_title] => 'Hard disk drive' [patent_app_type] => new [patent_app_number] => 10/347912 [patent_app_country] => US [patent_app_date] => 2003-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4814 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0179/20030179490.pdf [firstpage_image] =>[orig_patent_app_number] => 10347912 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/347912
Hard disk drive utilizing second lubricant over a first lubricant having a phosophezine group Jan 21, 2003 Issued
Array ( [id] => 7131478 [patent_doc_number] => 20040042117 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-04 [patent_title] => 'Thin film magnetic head and method of manufacturing the same' [patent_app_type] => new [patent_app_number] => 10/348567 [patent_app_country] => US [patent_app_date] => 2003-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3490 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0042/20040042117.pdf [firstpage_image] =>[orig_patent_app_number] => 10348567 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/348567
Thin film magnetic head and method of manufacturing the same Jan 20, 2003 Issued
Array ( [id] => 1032515 [patent_doc_number] => 06879468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-12 [patent_title] => 'Magnetic head actuator having an improved microactuator oscillatably supported by metallic micro-beams' [patent_app_type] => utility [patent_app_number] => 10/345308 [patent_app_country] => US [patent_app_date] => 2003-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 29 [patent_no_of_words] => 7751 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/879/06879468.pdf [firstpage_image] =>[orig_patent_app_number] => 10345308 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/345308
Magnetic head actuator having an improved microactuator oscillatably supported by metallic micro-beams Jan 15, 2003 Issued
Array ( [id] => 6786531 [patent_doc_number] => 20030137770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-07-24 [patent_title] => 'Process for producing magnetic head, magnetic head and magnetic disk unit' [patent_app_type] => new [patent_app_number] => 10/345354 [patent_app_country] => US [patent_app_date] => 2003-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4662 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0137/20030137770.pdf [firstpage_image] =>[orig_patent_app_number] => 10345354 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/345354
Magnetic head having a magnetic recording element including a pair of connected yoke films and magnetic pole film to form a magnetic gap Jan 15, 2003 Issued
Array ( [id] => 771908 [patent_doc_number] => 07006332 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-28 [patent_title] => 'Disk drive comprising suspension for magnetic head with positioning of slider to predetermined track through oscillation of voice coil motor' [patent_app_type] => utility [patent_app_number] => 10/345309 [patent_app_country] => US [patent_app_date] => 2003-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 4360 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/006/07006332.pdf [firstpage_image] =>[orig_patent_app_number] => 10345309 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/345309
Disk drive comprising suspension for magnetic head with positioning of slider to predetermined track through oscillation of voice coil motor Jan 15, 2003 Issued
Array ( [id] => 1045264 [patent_doc_number] => 06867952 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-15 [patent_title] => 'Magnetic sensing element with ESD resistance improved by adjusting the lengths of antiferromagnetic layers and free layer in the height direction' [patent_app_type] => utility [patent_app_number] => 10/345881 [patent_app_country] => US [patent_app_date] => 2003-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 25 [patent_no_of_words] => 18822 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/867/06867952.pdf [firstpage_image] =>[orig_patent_app_number] => 10345881 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/345881
Magnetic sensing element with ESD resistance improved by adjusting the lengths of antiferromagnetic layers and free layer in the height direction Jan 15, 2003 Issued
Array ( [id] => 1016011 [patent_doc_number] => 06894878 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-05-17 [patent_title] => 'Differential GMR head using anti-parallel pinned layers' [patent_app_type] => utility [patent_app_number] => 10/342918 [patent_app_country] => US [patent_app_date] => 2003-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7057 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/894/06894878.pdf [firstpage_image] =>[orig_patent_app_number] => 10342918 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/342918
Differential GMR head using anti-parallel pinned layers Jan 13, 2003 Issued
Array ( [id] => 994723 [patent_doc_number] => 06917493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-12 [patent_title] => 'Ampere head with perpendicular magnetic field' [patent_app_type] => utility [patent_app_number] => 10/341975 [patent_app_country] => US [patent_app_date] => 2003-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 4795 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/917/06917493.pdf [firstpage_image] =>[orig_patent_app_number] => 10341975 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/341975
Ampere head with perpendicular magnetic field Jan 13, 2003 Issued
Array ( [id] => 7320348 [patent_doc_number] => 20040136121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-15 [patent_title] => 'Spin valve with thermally stable pinned layer structure having ruthenium oxide specular reflecting layer' [patent_app_type] => new [patent_app_number] => 10/341281 [patent_app_country] => US [patent_app_date] => 2003-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5596 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0136/20040136121.pdf [firstpage_image] =>[orig_patent_app_number] => 10341281 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/341281
Spin valve with thermally stable pinned layer structure having ruthenium oxide specular reflecting layer Jan 12, 2003 Issued
Array ( [id] => 7320333 [patent_doc_number] => 20040136112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-15 [patent_title] => 'System and method of cleaning an automated tape library with a pass-through cleaning tool' [patent_app_type] => new [patent_app_number] => 10/341204 [patent_app_country] => US [patent_app_date] => 2003-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4419 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0136/20040136112.pdf [firstpage_image] =>[orig_patent_app_number] => 10341204 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/341204
System and method of cleaning an automated tape library with a pass-through cleaning tool using cleaning tape Jan 12, 2003 Issued
Array ( [id] => 1054662 [patent_doc_number] => 06859346 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-02-22 [patent_title] => 'Integrated bidirectional Recording head micropositioner for magnetic storage devices' [patent_app_type] => utility [patent_app_number] => 10/342920 [patent_app_country] => US [patent_app_date] => 2003-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 37 [patent_no_of_words] => 11491 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/859/06859346.pdf [firstpage_image] =>[orig_patent_app_number] => 10342920 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/342920
Integrated bidirectional Recording head micropositioner for magnetic storage devices Jan 12, 2003 Issued
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