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] => 1536576 [patent_doc_number] => 06411472 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-25 [patent_title] => 'Dual metal laminate tolerance ring for acoustic and vibration damping' [patent_app_type] => B1 [patent_app_number] => 09/522989 [patent_app_country] => US [patent_app_date] => 2000-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4693 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/411/06411472.pdf [firstpage_image] =>[orig_patent_app_number] => 09522989 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/522989
Dual metal laminate tolerance ring for acoustic and vibration damping Mar 9, 2000 Issued
Array ( [id] => 7639260 [patent_doc_number] => 06396657 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-28 [patent_title] => 'Hand mechanism of library apparatus comprising integrated rotatable plate portion and bar code reader' [patent_app_type] => B1 [patent_app_number] => 09/523666 [patent_app_country] => US [patent_app_date] => 2000-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1789 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/396/06396657.pdf [firstpage_image] =>[orig_patent_app_number] => 09523666 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/523666
Hand mechanism of library apparatus comprising integrated rotatable plate portion and bar code reader Mar 9, 2000 Issued
Array ( [id] => 1498982 [patent_doc_number] => 06404594 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-11 [patent_title] => 'Magnetic disk drive with integrated electrical conductors for recording element' [patent_app_type] => B1 [patent_app_number] => 09/523383 [patent_app_country] => US [patent_app_date] => 2000-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 8578 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/404/06404594.pdf [firstpage_image] =>[orig_patent_app_number] => 09523383 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/523383
Magnetic disk drive with integrated electrical conductors for recording element Mar 9, 2000 Issued
Array ( [id] => 1520300 [patent_doc_number] => 06501618 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-31 [patent_title] => 'Thin film magnetic head including an antireflection film' [patent_app_type] => B1 [patent_app_number] => 09/522616 [patent_app_country] => US [patent_app_date] => 2000-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 43 [patent_no_of_words] => 7580 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/501/06501618.pdf [firstpage_image] =>[orig_patent_app_number] => 09522616 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/522616
Thin film magnetic head including an antireflection film Mar 9, 2000 Issued
Array ( [id] => 1482664 [patent_doc_number] => 06452757 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-17 [patent_title] => 'Data sensor including layered dielectric gap' [patent_app_type] => B1 [patent_app_number] => 09/523296 [patent_app_country] => US [patent_app_date] => 2000-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2205 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/452/06452757.pdf [firstpage_image] =>[orig_patent_app_number] => 09523296 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/523296
Data sensor including layered dielectric gap Mar 9, 2000 Issued
Array ( [id] => 1582249 [patent_doc_number] => 06449128 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-10 [patent_title] => 'Disk drive with head loading and unloading mechanism' [patent_app_type] => B1 [patent_app_number] => 09/523678 [patent_app_country] => US [patent_app_date] => 2000-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 4066 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/449/06449128.pdf [firstpage_image] =>[orig_patent_app_number] => 09523678 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/523678
Disk drive with head loading and unloading mechanism Mar 9, 2000 Issued
Array ( [id] => 1479913 [patent_doc_number] => 06344954 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-05 [patent_title] => 'Magneto-resistive tunnel junction head with specific flux guide structure' [patent_app_type] => B1 [patent_app_number] => 09/517580 [patent_app_country] => US [patent_app_date] => 2000-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 7053 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/344/06344954.pdf [firstpage_image] =>[orig_patent_app_number] => 09517580 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/517580
Magneto-resistive tunnel junction head with specific flux guide structure Mar 1, 2000 Issued
Array ( [id] => 1603782 [patent_doc_number] => 06433965 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-13 [patent_title] => 'Laminated carbon-containing overcoats for information storage system transducers' [patent_app_type] => B1 [patent_app_number] => 09/517217 [patent_app_country] => US [patent_app_date] => 2000-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 18 [patent_no_of_words] => 4462 [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/06/433/06433965.pdf [firstpage_image] =>[orig_patent_app_number] => 09517217 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/517217
Laminated carbon-containing overcoats for information storage system transducers Mar 1, 2000 Issued
Array ( [id] => 1572500 [patent_doc_number] => 06498706 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-24 [patent_title] => 'Dual driving unit for a magnetic head carriage assembly and magnetic disk drive' [patent_app_type] => B1 [patent_app_number] => 09/501646 [patent_app_country] => US [patent_app_date] => 2000-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 6637 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/498/06498706.pdf [firstpage_image] =>[orig_patent_app_number] => 09501646 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/501646
Dual driving unit for a magnetic head carriage assembly and magnetic disk drive Feb 9, 2000 Issued
Array ( [id] => 1345629 [patent_doc_number] => 06594123 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-15 [patent_title] => 'AP pinned spin valve read head with a negative ferromagnetic field biased for zero asymmetry' [patent_app_type] => B1 [patent_app_number] => 09/500122 [patent_app_country] => US [patent_app_date] => 2000-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 6668 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/594/06594123.pdf [firstpage_image] =>[orig_patent_app_number] => 09500122 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/500122
AP pinned spin valve read head with a negative ferromagnetic field biased for zero asymmetry Feb 7, 2000 Issued
Array ( [id] => 1442899 [patent_doc_number] => 06335850 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-01 [patent_title] => 'Microactuator for fine positioning in a disc drive' [patent_app_type] => B1 [patent_app_number] => 09/497688 [patent_app_country] => US [patent_app_date] => 2000-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5290 [patent_no_of_claims] => 4 [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/06/335/06335850.pdf [firstpage_image] =>[orig_patent_app_number] => 09497688 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/497688
Microactuator for fine positioning in a disc drive Feb 3, 2000 Issued
Array ( [id] => 1595824 [patent_doc_number] => RE037819 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2002-08-13 [patent_title] => 'Manufacturing method for magnetoresistive head having an antiferromagnetic layer of PTMN' [patent_app_type] => E1 [patent_app_number] => 09/482696 [patent_app_country] => US [patent_app_date] => 2000-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 31 [patent_no_of_words] => 13206 [patent_no_of_claims] => 84 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/037/RE037819.pdf [firstpage_image] =>[orig_patent_app_number] => 09482696 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/482696
Manufacturing method for magnetoresistive head having an antiferromagnetic layer of PTMN Jan 17, 2000 Issued
Array ( [id] => 4419302 [patent_doc_number] => 06229670 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Laser texturing of a magnetic disk media to create a contact zone of ridge sections spaced a greater radial distance apart than the width of the ridge section' [patent_app_type] => 1 [patent_app_number] => 9/381079 [patent_app_country] => US [patent_app_date] => 2000-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 4376 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/229/06229670.pdf [firstpage_image] =>[orig_patent_app_number] => 381079 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/381079
Laser texturing of a magnetic disk media to create a contact zone of ridge sections spaced a greater radial distance apart than the width of the ridge section Jan 13, 2000 Issued
Array ( [id] => 1173600 [patent_doc_number] => 06757133 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-06-29 [patent_title] => 'Thin Film magnetic head' [patent_app_type] => B1 [patent_app_number] => 09/478175 [patent_app_country] => US [patent_app_date] => 2000-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 7275 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/757/06757133.pdf [firstpage_image] =>[orig_patent_app_number] => 09478175 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/478175
Thin Film magnetic head Jan 4, 2000 Issued
Array ( [id] => 979781 [patent_doc_number] => RE038772 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2005-08-09 [patent_title] => 'Disk storage device having an undercut hub member' [patent_app_type] => reissue [patent_app_number] => 09/441504 [patent_app_country] => US [patent_app_date] => 1999-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 7103 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/038/RE038772.pdf [firstpage_image] =>[orig_patent_app_number] => 09441504 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/441504
Disk storage device having an undercut hub member Nov 16, 1999 Issued
Array ( [id] => 1493150 [patent_doc_number] => 06417985 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-09 [patent_title] => 'Magnetic disk drive' [patent_app_type] => B1 [patent_app_number] => 09/441452 [patent_app_country] => US [patent_app_date] => 1999-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 30 [patent_no_of_words] => 10391 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/417/06417985.pdf [firstpage_image] =>[orig_patent_app_number] => 09441452 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/441452
Magnetic disk drive Nov 16, 1999 Issued
Array ( [id] => 1126804 [patent_doc_number] => 06795280 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-09-21 [patent_title] => 'Tunneling magneto-resistive read head with two-piece free layer' [patent_app_type] => B1 [patent_app_number] => 09/441901 [patent_app_country] => US [patent_app_date] => 1999-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3117 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/795/06795280.pdf [firstpage_image] =>[orig_patent_app_number] => 09441901 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/441901
Tunneling magneto-resistive read head with two-piece free layer Nov 16, 1999 Issued
Array ( [id] => 1479875 [patent_doc_number] => 06344944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-02-05 [patent_title] => 'Mini-cartridge adapter for adapting a mini-cartridge to an industry standard tape cartridge format' [patent_app_type] => B2 [patent_app_number] => 09/394666 [patent_app_country] => US [patent_app_date] => 1999-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 34 [patent_no_of_words] => 9950 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/344/06344944.pdf [firstpage_image] =>[orig_patent_app_number] => 09394666 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/394666
Mini-cartridge adapter for adapting a mini-cartridge to an industry standard tape cartridge format Sep 12, 1999 Issued
Array ( [id] => 4325276 [patent_doc_number] => 06317300 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-13 [patent_title] => 'Magnetoresistive device having magnetoresistive film and magnetic bias film with side-end faces with different angles of inclination and having insulating film made of electrically insulating material' [patent_app_type] => 1 [patent_app_number] => 9/347922 [patent_app_country] => US [patent_app_date] => 1999-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 39 [patent_no_of_words] => 11133 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/317/06317300.pdf [firstpage_image] =>[orig_patent_app_number] => 347922 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/347922
Magnetoresistive device having magnetoresistive film and magnetic bias film with side-end faces with different angles of inclination and having insulating film made of electrically insulating material Jul 5, 1999 Issued
Array ( [id] => 4418336 [patent_doc_number] => 06301081 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Actuator and head lifting tab for a disk drive' [patent_app_type] => 1 [patent_app_number] => 9/346486 [patent_app_country] => US [patent_app_date] => 1999-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5805 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/301/06301081.pdf [firstpage_image] =>[orig_patent_app_number] => 346486 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/346486
Actuator and head lifting tab for a disk drive Jun 30, 1999 Issued
Menu