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] => 768366 [patent_doc_number] => 07009810 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-07 [patent_title] => 'Thin-film magnetic recording head having a timing-based gap pattern for writing a servo track on magnetic media' [patent_app_type] => utility [patent_app_number] => 10/705206 [patent_app_country] => US [patent_app_date] => 2003-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 4959 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/009/07009810.pdf [firstpage_image] =>[orig_patent_app_number] => 10705206 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/705206
Thin-film magnetic recording head having a timing-based gap pattern for writing a servo track on magnetic media Nov 9, 2003 Issued
Array ( [id] => 5893465 [patent_doc_number] => 20060002003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-05 [patent_title] => 'Magnetic recorder/reproducer' [patent_app_type] => utility [patent_app_number] => 10/532803 [patent_app_country] => US [patent_app_date] => 2003-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5066 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0002/20060002003.pdf [firstpage_image] =>[orig_patent_app_number] => 10532803 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/532803
Magnetic recorder/reproducer with freely detachable magnetic tape for engaging a guide post which traces a path through a notch in a take-up reel Nov 3, 2003 Issued
Array ( [id] => 994734 [patent_doc_number] => 06917495 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-12 [patent_title] => 'Magnetic disk drive' [patent_app_type] => utility [patent_app_number] => 10/689599 [patent_app_country] => US [patent_app_date] => 2003-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 8648 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/917/06917495.pdf [firstpage_image] =>[orig_patent_app_number] => 10689599 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/689599
Magnetic disk drive Oct 21, 2003 Issued
Array ( [id] => 462846 [patent_doc_number] => 07246364 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-07-17 [patent_title] => 'Optical pickup device' [patent_app_type] => utility [patent_app_number] => 10/686089 [patent_app_country] => US [patent_app_date] => 2003-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 16020 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/246/07246364.pdf [firstpage_image] =>[orig_patent_app_number] => 10686089 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/686089
Optical pickup device Oct 13, 2003 Issued
Array ( [id] => 7287727 [patent_doc_number] => 20040109261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-10 [patent_title] => 'Patterned magnetic recording head with termination pattern having a curved portion' [patent_app_type] => new [patent_app_number] => 10/683809 [patent_app_country] => US [patent_app_date] => 2003-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5562 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0109/20040109261.pdf [firstpage_image] =>[orig_patent_app_number] => 10683809 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/683809
Patterned magnetic recording head with termination pattern having a curved portion Oct 9, 2003 Issued
Array ( [id] => 988755 [patent_doc_number] => 06922310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-26 [patent_title] => 'Rotary head apparatus with magnetic head having convex curve and magnetic playback apparatus using the same' [patent_app_type] => utility [patent_app_number] => 10/679125 [patent_app_country] => US [patent_app_date] => 2003-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 6189 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/922/06922310.pdf [firstpage_image] =>[orig_patent_app_number] => 10679125 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/679125
Rotary head apparatus with magnetic head having convex curve and magnetic playback apparatus using the same Oct 2, 2003 Issued
Array ( [id] => 7115395 [patent_doc_number] => 20050068696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Apparatus having improved hard bias properties of layers in a magnetoresistive sensor' [patent_app_type] => utility [patent_app_number] => 10/674831 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4963 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068696.pdf [firstpage_image] =>[orig_patent_app_number] => 10674831 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/674831
Apparatus having a hard bias seedlayer structure for providing improved properties of a hard bias layer Sep 29, 2003 Issued
Array ( [id] => 7115374 [patent_doc_number] => 20050068675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Thin film magnetic head and manufacturing method thereof' [patent_app_type] => utility [patent_app_number] => 10/673172 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 82 [patent_figures_cnt] => 82 [patent_no_of_words] => 17066 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068675.pdf [firstpage_image] =>[orig_patent_app_number] => 10673172 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/673172
Thin film magnetic head and magnetic recording apparatus having a lowered coil resistance value, reduced generated heat, and high-frequency Sep 29, 2003 Issued
Array ( [id] => 7115383 [patent_doc_number] => 20050068684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Differential spin valve sensor having both pinned and self-pinned structures' [patent_app_type] => utility [patent_app_number] => 10/674849 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4579 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068684.pdf [firstpage_image] =>[orig_patent_app_number] => 10674849 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/674849
Thin differential spin valve sensor having both pinned and self pinned structures for reduced difficulty in AFM layer polarity setting Sep 29, 2003 Issued
Array ( [id] => 7115385 [patent_doc_number] => 20050068686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Spin valve sensor with a capping layer comprising cobalt' [patent_app_type] => utility [patent_app_number] => 10/675481 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6410 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068686.pdf [firstpage_image] =>[orig_patent_app_number] => 10675481 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/675481
Spin valve with a capping layer comprising an oxidized cobalt layer and method of forming same Sep 29, 2003 Issued
Array ( [id] => 542082 [patent_doc_number] => 07180714 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-20 [patent_title] => 'Apparatus for providing a ballistic magnetoresistive sensor in a current perpendicular-to-plane mode' [patent_app_type] => utility [patent_app_number] => 10/674725 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3680 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/180/07180714.pdf [firstpage_image] =>[orig_patent_app_number] => 10674725 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/674725
Apparatus for providing a ballistic magnetoresistive sensor in a current perpendicular-to-plane mode Sep 29, 2003 Issued
Array ( [id] => 7279611 [patent_doc_number] => 20040061988 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-01 [patent_title] => 'Thin film magnetic head and method of manufacturing the same' [patent_app_type] => new [patent_app_number] => 10/673333 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 25276 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0061/20040061988.pdf [firstpage_image] =>[orig_patent_app_number] => 10673333 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/673333
Thin film magnetic head and method of manufacturing the same Sep 29, 2003 Issued
Array ( [id] => 7115391 [patent_doc_number] => 20050068692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'spin valve sensor having one of two AP pinned layers made of cobalt' [patent_app_type] => utility [patent_app_number] => 10/675782 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6434 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068692.pdf [firstpage_image] =>[orig_patent_app_number] => 10675782 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/675782
Spin valve sensor having one of two AP pinned layers made of cobalt Sep 29, 2003 Issued
Array ( [id] => 7115376 [patent_doc_number] => 20050068677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Stitched write head with staircase P2 defined throat height' [patent_app_type] => utility [patent_app_number] => 10/675736 [patent_app_country] => US [patent_app_date] => 2003-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3748 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068677.pdf [firstpage_image] =>[orig_patent_app_number] => 10675736 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/675736
Stitched write head with staircase P2 defined throat height Sep 28, 2003 Issued
Array ( [id] => 7115365 [patent_doc_number] => 20050068666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Hermetically sealed electronics arrangement and approach' [patent_app_type] => utility [patent_app_number] => 10/673593 [patent_app_country] => US [patent_app_date] => 2003-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5126 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068666.pdf [firstpage_image] =>[orig_patent_app_number] => 10673593 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/673593
Hermetically sealed electronics arrangement and approach Sep 28, 2003 Issued
Array ( [id] => 7115375 [patent_doc_number] => 20050068676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Magnetic head having media heating device that is electrically connected to magnetic pole piece' [patent_app_type] => utility [patent_app_number] => 10/675065 [patent_app_country] => US [patent_app_date] => 2003-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6052 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068676.pdf [firstpage_image] =>[orig_patent_app_number] => 10675065 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/675065
Magnetic head having media heating device that is electrically connected to magnetic pole piece Sep 28, 2003 Issued
Array ( [id] => 7115370 [patent_doc_number] => 20050068671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Magnetic transducer for perpendicular magnetic recording with single pole write head with trailing shield' [patent_app_type] => utility [patent_app_number] => 10/675046 [patent_app_country] => US [patent_app_date] => 2003-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3324 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20050068671.pdf [firstpage_image] =>[orig_patent_app_number] => 10675046 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/675046
Magnetic transducer for perpendicular magnetic recording with single pole write head with trailing shield Sep 28, 2003 Issued
Array ( [id] => 7203647 [patent_doc_number] => 20050052789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-10 [patent_title] => 'Supplementary shield for CPP GMR read head' [patent_app_type] => utility [patent_app_number] => 10/657504 [patent_app_country] => US [patent_app_date] => 2003-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2089 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0052/20050052789.pdf [firstpage_image] =>[orig_patent_app_number] => 10657504 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/657504
Supplementary shield for CPP GMR read head Sep 7, 2003 Issued
Array ( [id] => 7604406 [patent_doc_number] => 07116529 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-03 [patent_title] => 'Magnetoresistive element in which pinned magnetization layers have antiparallel pinned directions, magnetic head and magnetic recording/reproducing apparatus' [patent_app_type] => utility [patent_app_number] => 10/654988 [patent_app_country] => US [patent_app_date] => 2003-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 19 [patent_no_of_words] => 9618 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/116/07116529.pdf [firstpage_image] =>[orig_patent_app_number] => 10654988 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/654988
Magnetoresistive element in which pinned magnetization layers have antiparallel pinned directions, magnetic head and magnetic recording/reproducing apparatus Sep 4, 2003 Issued
Array ( [id] => 7279609 [patent_doc_number] => 20040061986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-01 [patent_title] => 'Thin-film magnetic head' [patent_app_type] => new [patent_app_number] => 10/652517 [patent_app_country] => US [patent_app_date] => 2003-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5699 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0061/20040061986.pdf [firstpage_image] =>[orig_patent_app_number] => 10652517 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/652517
Thin-film magnetic head having the length of the pinned and antiferromagnetic layers greater than the width dimension thereof and/or the length of the free layer Sep 1, 2003 Issued
Menu