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] => 678254 [patent_doc_number] => 07088549 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-08-08 [patent_title] => 'Thin-film magnetic head having a high recording density and frequency' [patent_app_type] => utility [patent_app_number] => 09/632875 [patent_app_country] => US [patent_app_date] => 2000-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 32 [patent_no_of_words] => 18002 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/088/07088549.pdf [firstpage_image] =>[orig_patent_app_number] => 09632875 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/632875
Thin-film magnetic head having a high recording density and frequency Aug 3, 2000 Issued
Array ( [id] => 1520299 [patent_doc_number] => 06501617 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-31 [patent_title] => 'Press-fit and plastic-flow coupling of a shaft to a hub of a disk device' [patent_app_type] => B1 [patent_app_number] => 09/631625 [patent_app_country] => US [patent_app_date] => 2000-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 3051 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/501/06501617.pdf [firstpage_image] =>[orig_patent_app_number] => 09631625 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/631625
Press-fit and plastic-flow coupling of a shaft to a hub of a disk device Aug 3, 2000 Issued
Array ( [id] => 1428675 [patent_doc_number] => 06515825 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-02-04 [patent_title] => 'Thin film magnetic head having a bottom pole layer, a gap layer, and a top pole layer which are formed by plating' [patent_app_type] => B1 [patent_app_number] => 09/632874 [patent_app_country] => US [patent_app_date] => 2000-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 10910 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 364 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/515/06515825.pdf [firstpage_image] =>[orig_patent_app_number] => 09632874 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/632874
Thin film magnetic head having a bottom pole layer, a gap layer, and a top pole layer which are formed by plating Aug 3, 2000 Issued
09/631915 Head arm, head moving mechanism, disk unit and method of manufacturing the head arm Aug 2, 2000 Abandoned
Array ( [id] => 1375959 [patent_doc_number] => 06570738 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-05-27 [patent_title] => 'Tape head modules having adjacent substrates each provided with write and/or read elements' [patent_app_type] => B1 [patent_app_number] => 09/632152 [patent_app_country] => US [patent_app_date] => 2000-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 2888 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/570/06570738.pdf [firstpage_image] =>[orig_patent_app_number] => 09632152 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/632152
Tape head modules having adjacent substrates each provided with write and/or read elements Aug 2, 2000 Issued
09/600581 MAGNETIC TAPE CASSETTE Jul 18, 2000 Abandoned
09/600589 MAGNETIC TAPE CASSETTE IN WHICH MAGNETIC TAPE IS PREVENTED FROM RIDING OVER A RIB OF A SLIDER Jul 18, 2000 Abandoned
Array ( [id] => 1045262 [patent_doc_number] => 06867951 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-03-15 [patent_title] => 'Spin valve magnetic properties with oxygen-rich NiO underlayer' [patent_app_type] => utility [patent_app_number] => 09/614945 [patent_app_country] => US [patent_app_date] => 2000-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2564 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/867/06867951.pdf [firstpage_image] =>[orig_patent_app_number] => 09614945 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/614945
Spin valve magnetic properties with oxygen-rich NiO underlayer Jul 11, 2000 Issued
Array ( [id] => 1593236 [patent_doc_number] => 06483670 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-19 [patent_title] => 'Head assembly having an apertured reinforcing plate cooperatively attached to a load beam to prevent excessive movement of components of the head assembly' [patent_app_type] => B1 [patent_app_number] => 09/614839 [patent_app_country] => US [patent_app_date] => 2000-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 3682 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/483/06483670.pdf [firstpage_image] =>[orig_patent_app_number] => 09614839 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/614839
Head assembly having an apertured reinforcing plate cooperatively attached to a load beam to prevent excessive movement of components of the head assembly Jul 11, 2000 Issued
Array ( [id] => 1463482 [patent_doc_number] => 06392845 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-21 [patent_title] => 'Magnet design for active damping of disk drive actuator' [patent_app_type] => B1 [patent_app_number] => 09/608516 [patent_app_country] => US [patent_app_date] => 2000-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 5346 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/392/06392845.pdf [firstpage_image] =>[orig_patent_app_number] => 09608516 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/608516
Magnet design for active damping of disk drive actuator Jun 29, 2000 Issued
Array ( [id] => 1582253 [patent_doc_number] => 06449129 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-10 [patent_title] => 'Disc drive ramp with sharp detent' [patent_app_type] => B1 [patent_app_number] => 09/607346 [patent_app_country] => US [patent_app_date] => 2000-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2375 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/449/06449129.pdf [firstpage_image] =>[orig_patent_app_number] => 09607346 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/607346
Disc drive ramp with sharp detent Jun 29, 2000 Issued
Array ( [id] => 1460909 [patent_doc_number] => 06426849 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-30 [patent_title] => 'Flexible disk comprising a member for filling up a gap between a metal hub and a jacket center hole without regulating a movement of the metal hub' [patent_app_type] => B1 [patent_app_number] => 09/608482 [patent_app_country] => US [patent_app_date] => 2000-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8328 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/426/06426849.pdf [firstpage_image] =>[orig_patent_app_number] => 09608482 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/608482
Flexible disk comprising a member for filling up a gap between a metal hub and a jacket center hole without regulating a movement of the metal hub Jun 29, 2000 Issued
Array ( [id] => 1463478 [patent_doc_number] => 06392844 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-21 [patent_title] => 'Single piece suspension with self-hinged flexure' [patent_app_type] => B1 [patent_app_number] => 09/607255 [patent_app_country] => US [patent_app_date] => 2000-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 3316 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/392/06392844.pdf [firstpage_image] =>[orig_patent_app_number] => 09607255 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/607255
Single piece suspension with self-hinged flexure Jun 29, 2000 Issued
Array ( [id] => 1536574 [patent_doc_number] => 06411471 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-25 [patent_title] => 'Low friction bearing pivot for disc drive' [patent_app_type] => B1 [patent_app_number] => 09/607347 [patent_app_country] => US [patent_app_date] => 2000-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2547 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/411/06411471.pdf [firstpage_image] =>[orig_patent_app_number] => 09607347 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/607347
Low friction bearing pivot for disc drive Jun 29, 2000 Issued
Array ( [id] => 1584971 [patent_doc_number] => 06424493 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-23 [patent_title] => 'Hard disk drive magnetic head air bearing surface design for preventing particulate contamination thereon' [patent_app_type] => B1 [patent_app_number] => 09/606980 [patent_app_country] => US [patent_app_date] => 2000-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 5654 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/424/06424493.pdf [firstpage_image] =>[orig_patent_app_number] => 09606980 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/606980
Hard disk drive magnetic head air bearing surface design for preventing particulate contamination thereon Jun 28, 2000 Issued
Array ( [id] => 1585017 [patent_doc_number] => 06424501 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-23 [patent_title] => 'Disk drive ramp structure having integrated discrete rigid support elements for data storage device' [patent_app_type] => B1 [patent_app_number] => 09/606851 [patent_app_country] => US [patent_app_date] => 2000-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 5330 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/424/06424501.pdf [firstpage_image] =>[orig_patent_app_number] => 09606851 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/606851
Disk drive ramp structure having integrated discrete rigid support elements for data storage device Jun 28, 2000 Issued
Array ( [id] => 1584978 [patent_doc_number] => 06424494 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-23 [patent_title] => 'Flying head slider having rail narrowed near trailing end' [patent_app_type] => B1 [patent_app_number] => 09/606424 [patent_app_country] => US [patent_app_date] => 2000-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 7097 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/424/06424494.pdf [firstpage_image] =>[orig_patent_app_number] => 09606424 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/606424
Flying head slider having rail narrowed near trailing end Jun 28, 2000 Issued
Array ( [id] => 7644699 [patent_doc_number] => 06473274 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-29 [patent_title] => 'Symmetrical microactuator structure for use in mass data storage devices, or the like' [patent_app_type] => B1 [patent_app_number] => 09/607413 [patent_app_country] => US [patent_app_date] => 2000-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 68 [patent_no_of_words] => 8062 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 4 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/473/06473274.pdf [firstpage_image] =>[orig_patent_app_number] => 09607413 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/607413
Symmetrical microactuator structure for use in mass data storage devices, or the like Jun 27, 2000 Issued
Array ( [id] => 1498990 [patent_doc_number] => 06404597 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-11 [patent_title] => 'Magnetic head device with feature protecting a conductive wire extending to a magnetic core' [patent_app_type] => B1 [patent_app_number] => 09/605710 [patent_app_country] => US [patent_app_date] => 2000-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2092 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/404/06404597.pdf [firstpage_image] =>[orig_patent_app_number] => 09605710 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/605710
Magnetic head device with feature protecting a conductive wire extending to a magnetic core Jun 26, 2000 Issued
Array ( [id] => 1454010 [patent_doc_number] => 06456453 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Magnetic disk drive in which a body including a chassis is rotatable with reference to a location displaced from the center of gravity of the body' [patent_app_type] => B1 [patent_app_number] => 09/596910 [patent_app_country] => US [patent_app_date] => 2000-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 22 [patent_no_of_words] => 8557 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/456/06456453.pdf [firstpage_image] =>[orig_patent_app_number] => 09596910 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/596910
Magnetic disk drive in which a body including a chassis is rotatable with reference to a location displaced from the center of gravity of the body Jun 19, 2000 Issued
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