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] => 16293245 [patent_doc_number] => 10770098 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-09-08 [patent_title] => Heat-assisted magnetic recording head with near-field transducer having first and second surface-plasmonic plates [patent_app_type] => utility [patent_app_number] => 16/591999 [patent_app_country] => US [patent_app_date] => 2019-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 3463 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16591999 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/591999
Heat-assisted magnetic recording head with near-field transducer having first and second surface-plasmonic plates Oct 2, 2019 Issued
Array ( [id] => 16593592 [patent_doc_number] => 10902868 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Tape head module having recessed portion to provide an air bearing between a tape medium and a tape bearing surface of the module [patent_app_type] => utility [patent_app_number] => 16/581604 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3542 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16581604 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/581604
Tape head module having recessed portion to provide an air bearing between a tape medium and a tape bearing surface of the module Sep 23, 2019 Issued
Array ( [id] => 15351075 [patent_doc_number] => 20200013429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => SPIN TRANSFER TORQUE DEVICE WITH OXIDE LAYER BENEATH THE SEED LAYER [patent_app_type] => utility [patent_app_number] => 16/572551 [patent_app_country] => US [patent_app_date] => 2019-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5731 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16572551 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/572551
Spin transfer torque device with oxide layer beneath the seed layer Sep 15, 2019 Issued
Array ( [id] => 16691851 [patent_doc_number] => 20210074330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => NON-INTERFERING MICRO-POSITIONING SYSTEM UTILIZING PIEZOELECTRIC ELEMENTS [patent_app_type] => utility [patent_app_number] => 16/567905 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7129 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16567905 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/567905
Non-interfering micro-positioning system utilizing piezoelectric elements Sep 10, 2019 Issued
Array ( [id] => 16479283 [patent_doc_number] => 10854236 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-01 [patent_title] => Dynamic tape guide bearing tilt mechanism [patent_app_type] => utility [patent_app_number] => 16/567849 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 7158 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16567849 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/567849
Dynamic tape guide bearing tilt mechanism Sep 10, 2019 Issued
Array ( [id] => 16432618 [patent_doc_number] => 10832710 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-11-10 [patent_title] => Magnetic recording devices using virtual side shields for improved areal density capability [patent_app_type] => utility [patent_app_number] => 16/564704 [patent_app_country] => US [patent_app_date] => 2019-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8506 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16564704 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/564704
Magnetic recording devices using virtual side shields for improved areal density capability Sep 8, 2019 Issued
Array ( [id] => 16691839 [patent_doc_number] => 20210074318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => Spin Injection Assisted Magnetic Recording [patent_app_type] => utility [patent_app_number] => 16/563198 [patent_app_country] => US [patent_app_date] => 2019-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16563198 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/563198
Spin injection assisted magnetic recording Sep 5, 2019 Issued
Array ( [id] => 16536230 [patent_doc_number] => 10878843 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-29 [patent_title] => Head suspension assembly for disk device and including damper [patent_app_type] => utility [patent_app_number] => 16/563060 [patent_app_country] => US [patent_app_date] => 2019-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 6719 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16563060 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/563060
Head suspension assembly for disk device and including damper Sep 5, 2019 Issued
Array ( [id] => 18235729 [patent_doc_number] => 11600293 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-07 [patent_title] => Three terminal magnetic recording head [patent_app_type] => utility [patent_app_number] => 16/559372 [patent_app_country] => US [patent_app_date] => 2019-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8348 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16559372 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/559372
Three terminal magnetic recording head Sep 2, 2019 Issued
Array ( [id] => 16637755 [patent_doc_number] => 10916269 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-09 [patent_title] => Magnet for motor of magnetic storage device [patent_app_type] => utility [patent_app_number] => 16/553881 [patent_app_country] => US [patent_app_date] => 2019-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6543 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16553881 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/553881
Magnet for motor of magnetic storage device Aug 27, 2019 Issued
Array ( [id] => 16593593 [patent_doc_number] => 10902869 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Magnetic head having a magnetic layer and first and second conductive layers provided between a shield and a magnetic pole and magnetic recording and reproducing device [patent_app_type] => utility [patent_app_number] => 16/552009 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7737 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16552009 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/552009
Magnetic head having a magnetic layer and first and second conductive layers provided between a shield and a magnetic pole and magnetic recording and reproducing device Aug 26, 2019 Issued
Array ( [id] => 16593606 [patent_doc_number] => 10902882 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-01-26 [patent_title] => Split band multichannel magnetic recording head [patent_app_type] => utility [patent_app_number] => 16/553013 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 23 [patent_no_of_words] => 11926 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16553013 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/553013
Split band multichannel magnetic recording head Aug 26, 2019 Issued
Array ( [id] => 17040363 [patent_doc_number] => 20210256999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK [patent_app_type] => utility [patent_app_number] => 17/266079 [patent_app_country] => US [patent_app_date] => 2019-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17266079 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/266079
Substrate for magnetic disk and magnetic disk Aug 6, 2019 Issued
Array ( [id] => 16495441 [patent_doc_number] => 10861488 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-08 [patent_title] => Disk device having first and second actuator assemblies [patent_app_type] => utility [patent_app_number] => 16/532744 [patent_app_country] => US [patent_app_date] => 2019-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 9287 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16532744 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/532744
Disk device having first and second actuator assemblies Aug 5, 2019 Issued
Array ( [id] => 16147637 [patent_doc_number] => 10706893 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-07-07 [patent_title] => Method of temporarily sealing data storage device and device [patent_app_type] => utility [patent_app_number] => 16/527938 [patent_app_country] => US [patent_app_date] => 2019-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4942 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 16527938 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/527938
Method of temporarily sealing data storage device and device Jul 30, 2019 Issued
Array ( [id] => 16495439 [patent_doc_number] => 10861486 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-08 [patent_title] => Writer with narrower high moment trailing shield [patent_app_type] => utility [patent_app_number] => 16/507179 [patent_app_country] => US [patent_app_date] => 2019-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 2902 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16507179 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/507179
Writer with narrower high moment trailing shield Jul 9, 2019 Issued
Array ( [id] => 16447914 [patent_doc_number] => 10839845 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-17 [patent_title] => Magnetic sensors with effectively shaped side shields [patent_app_type] => utility [patent_app_number] => 16/506835 [patent_app_country] => US [patent_app_date] => 2019-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 6192 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16506835 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/506835
Magnetic sensors with effectively shaped side shields Jul 8, 2019 Issued
Array ( [id] => 16560077 [patent_doc_number] => 20210005226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => TESTING ASSEMBLY FOR SEALED HARD DISK DRIVES [patent_app_type] => utility [patent_app_number] => 16/503845 [patent_app_country] => US [patent_app_date] => 2019-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16503845 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/503845
Testing assembly for sealed hard disk drives Jul 4, 2019 Issued
Array ( [id] => 15027275 [patent_doc_number] => 20190324642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => PREDETERMINED PLACEMENT FOR TAPE CARTRIDGES IN AN AUTOMATED DATA STORAGE LIBRARY [patent_app_type] => utility [patent_app_number] => 16/460542 [patent_app_country] => US [patent_app_date] => 2019-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16460542 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/460542
Predetermined placement for tape cartridges in an automated data storage library Jul 1, 2019 Issued
Array ( [id] => 17491883 [patent_doc_number] => 11281184 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Adaptive manufacturing systems, methods, and devices such as hard disk drives [patent_app_type] => utility [patent_app_number] => 16/455304 [patent_app_country] => US [patent_app_date] => 2019-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3302 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16455304 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/455304
Adaptive manufacturing systems, methods, and devices such as hard disk drives Jun 26, 2019 Issued
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