Search

Un C. Cho

Supervisory Patent Examiner (ID: 2269, Phone: (571)272-7919 , Office: P/2413 )

Most Active Art Unit
2617
Art Unit(s)
4115, 2687, 2682, 2413, 4133, 2617
Total Applications
395
Issued Applications
240
Pending Applications
26
Abandoned Applications
133

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11990041 [patent_doc_number] => 20170294197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-12 [patent_title] => 'FLUX-GUIDED TUNNELING MAGNETORESISTIVE (TMR) SENSOR FOR MAGNETIC TAPE WITH REDUCED LIKELIHOOD OF ELECTRICAL SHORTING' [patent_app_type] => utility [patent_app_number] => 15/094134 [patent_app_country] => US [patent_app_date] => 2016-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2731 [patent_no_of_claims] => 15 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15094134 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/094134
Flux-guided tunneling magnetoresistive (TMR) sensor for magnetic tape with reduced likelihood of electrical shorting Apr 7, 2016 Issued
Array ( [id] => 11974377 [patent_doc_number] => 20170278531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'MAGNETIC WRITE HEAD HAVING RECESSED TRAILING SHIELD AND TRAILING RETURN POLE' [patent_app_type] => utility [patent_app_number] => 15/077831 [patent_app_country] => US [patent_app_date] => 2016-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3083 [patent_no_of_claims] => 22 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15077831 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/077831
Magnetic write head having recessed trailing shield and trailing return pole Mar 21, 2016 Issued
Array ( [id] => 11006884 [patent_doc_number] => 20160203836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-14 [patent_title] => 'MULTICHANNEL DATA STORAGE APPARATUS HAVING ABRASION RESISTANT BARRIER' [patent_app_type] => utility [patent_app_number] => 15/075034 [patent_app_country] => US [patent_app_date] => 2016-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10023 [patent_no_of_claims] => 21 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15075034 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/075034
Multichannel data storage apparatus having abrasion resistant barrier Mar 17, 2016 Issued
Array ( [id] => 11966801 [patent_doc_number] => 20170270954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-21 [patent_title] => 'MAGNETIC HEAD COMPRISING MAGNETO-RESISTANCE EFFECT ELEMENT AND SIDE SHIELDS' [patent_app_type] => utility [patent_app_number] => 15/074071 [patent_app_country] => US [patent_app_date] => 2016-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6059 [patent_no_of_claims] => 7 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15074071 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/074071
Magnetic head comprising magneto-resistance effect element and side shields Mar 17, 2016 Issued
Array ( [id] => 10999895 [patent_doc_number] => 20160196842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, AND HEAD SUSPENSION' [patent_app_type] => utility [patent_app_number] => 15/071676 [patent_app_country] => US [patent_app_date] => 2016-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8445 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15071676 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/071676
Piezoelectric element having polymer coating, piezoelectric actuator using said piezoelectric element, and head suspension using said piezoelectric actuator Mar 15, 2016 Issued
Array ( [id] => 11959122 [patent_doc_number] => 20170263274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'THIN FILM MAGNETIC HEAD, HEAD GIMBALS ASSEMBLY, HEAD ARM ASSEMBLY, AND MAGNETIC DISK UNIT' [patent_app_type] => utility [patent_app_number] => 15/069104 [patent_app_country] => US [patent_app_date] => 2016-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7679 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15069104 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/069104
Thin film magnetic head, head gimbals assembly, head arm assembly, and magnetic disk unit with improved air bearing surface Mar 13, 2016 Issued
Array ( [id] => 11959121 [patent_doc_number] => 20170263273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'MAGNETIC READ HEAD WITH FLOATING TRAILING SHIELD' [patent_app_type] => utility [patent_app_number] => 15/068476 [patent_app_country] => US [patent_app_date] => 2016-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3099 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15068476 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/068476
Magnetic read head with floating trailing shield Mar 10, 2016 Issued
Array ( [id] => 11753170 [patent_doc_number] => 09711187 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-07-18 [patent_title] => 'Disk device and method of manufacturing disk device enclosure including laser welding a peripheral edge portion of a cover to a base of the enclosure' [patent_app_type] => utility [patent_app_number] => 15/067584 [patent_app_country] => US [patent_app_date] => 2016-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3589 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15067584 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/067584
Disk device and method of manufacturing disk device enclosure including laser welding a peripheral edge portion of a cover to a base of the enclosure Mar 10, 2016 Issued
Array ( [id] => 11585558 [patent_doc_number] => 09640205 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-05-02 [patent_title] => 'Magnetic recording-reproducing head having different sections with different functions including an erase function' [patent_app_type] => utility [patent_app_number] => 15/066510 [patent_app_country] => US [patent_app_date] => 2016-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 15737 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15066510 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/066510
Magnetic recording-reproducing head having different sections with different functions including an erase function Mar 9, 2016 Issued
Array ( [id] => 13214259 [patent_doc_number] => 10121504 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-06 [patent_title] => Tape head surface with non-uniform cross-width edge profiles [patent_app_type] => utility [patent_app_number] => 15/062827 [patent_app_country] => US [patent_app_date] => 2016-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 6456 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15062827 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/062827
Tape head surface with non-uniform cross-width edge profiles Mar 6, 2016 Issued
Array ( [id] => 11717953 [patent_doc_number] => 20170186452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-29 [patent_title] => 'MAGNETIC RECORDING HEAD AND DISK DEVICE COMPRISING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/059890 [patent_app_country] => US [patent_app_date] => 2016-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5240 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15059890 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/059890
MAGNETIC RECORDING HEAD AND DISK DEVICE COMPRISING THE SAME Mar 2, 2016 Abandoned
Array ( [id] => 10999894 [patent_doc_number] => 20160196841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'TMR HEAD DESIGN WITH INSULATIVE LAYERS FOR SHORTING MITIGATION' [patent_app_type] => utility [patent_app_number] => 15/054071 [patent_app_country] => US [patent_app_date] => 2016-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7816 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15054071 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/054071
TMR head design with insulative layers for shorting mitigation Feb 24, 2016 Issued
Array ( [id] => 10999894 [patent_doc_number] => 20160196841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'TMR HEAD DESIGN WITH INSULATIVE LAYERS FOR SHORTING MITIGATION' [patent_app_type] => utility [patent_app_number] => 15/054071 [patent_app_country] => US [patent_app_date] => 2016-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7816 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15054071 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/054071
TMR head design with insulative layers for shorting mitigation Feb 24, 2016 Issued
Array ( [id] => 11431776 [patent_doc_number] => 09570097 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-02-14 [patent_title] => 'Tape head with write pole having multiple layers superimposed in a direction perpendicular to the contact plane' [patent_app_type] => utility [patent_app_number] => 15/042446 [patent_app_country] => US [patent_app_date] => 2016-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3136 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15042446 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/042446
Tape head with write pole having multiple layers superimposed in a direction perpendicular to the contact plane Feb 11, 2016 Issued
Array ( [id] => 13084653 [patent_doc_number] => 10062397 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-28 [patent_title] => Tape head with step-like cross-sectional profile [patent_app_type] => utility [patent_app_number] => 15/042364 [patent_app_country] => US [patent_app_date] => 2016-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2812 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15042364 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/042364
Tape head with step-like cross-sectional profile Feb 11, 2016 Issued
Array ( [id] => 10817184 [patent_doc_number] => 20160163346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-09 [patent_title] => 'IN-SITU ANNEALING OF A TMR SENSOR' [patent_app_type] => utility [patent_app_number] => 15/042030 [patent_app_country] => US [patent_app_date] => 2016-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6888 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15042030 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/042030
In-situ annealing of a TMR sensor Feb 10, 2016 Issued
Array ( [id] => 11854647 [patent_doc_number] => 20170229140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'SUSPENSION PAD FOR HEAD-GIMBAL ASSEMBLY THAT INHIBITS FORMATION OF AN INTER-PAD SOLDER BRIDGE' [patent_app_type] => utility [patent_app_number] => 15/016149 [patent_app_country] => US [patent_app_date] => 2016-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4979 [patent_no_of_claims] => 23 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15016149 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/016149
Suspension pad for head-gimbal assembly that inhibits formation of an inter-pad solder bridge Feb 3, 2016 Issued
Array ( [id] => 11300357 [patent_doc_number] => 09508367 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-11-29 [patent_title] => 'Tunnel magnetoresistive sensor having conductive ceramic layers' [patent_app_type] => utility [patent_app_number] => 15/014983 [patent_app_country] => US [patent_app_date] => 2016-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 9007 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15014983 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/014983
Tunnel magnetoresistive sensor having conductive ceramic layers Feb 2, 2016 Issued
Array ( [id] => 11839807 [patent_doc_number] => 20170221527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-03 [patent_title] => 'Adhesive Leak Channel Structure For Hermetic Sealing Of A Hard Disk Drive' [patent_app_type] => utility [patent_app_number] => 15/013491 [patent_app_country] => US [patent_app_date] => 2016-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6677 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 22 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15013491 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/013491
Adhesive leak channel structure for hermetic sealing of a hard disk drive Feb 1, 2016 Issued
Array ( [id] => 10802471 [patent_doc_number] => 20160148628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-26 [patent_title] => 'ELECTROSTATIC DISCHARGE PROTECTION FOR A MAGNETORESISTIVE SENSOR' [patent_app_type] => utility [patent_app_number] => 15/009970 [patent_app_country] => US [patent_app_date] => 2016-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 11032 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15009970 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/009970
Electrostatic discharge protection for a magnetoresistive sensor Jan 28, 2016 Issued
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