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] => 13187557 [patent_doc_number] => 10109304 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-10-23 [patent_title] => Perpendicular magnetic recording (PMR) writer with thinner side shield [patent_app_type] => utility [patent_app_number] => 15/654199 [patent_app_country] => US [patent_app_date] => 2017-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 2313 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15654199 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/654199
Perpendicular magnetic recording (PMR) writer with thinner side shield Jul 18, 2017 Issued
Array ( [id] => 13200995 [patent_doc_number] => 10115416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-30 [patent_title] => Magnetic recording write apparatus having a pole having an aspect ratio greater than one and an auxiliary pole [patent_app_type] => utility [patent_app_number] => 15/652629 [patent_app_country] => US [patent_app_date] => 2017-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 30 [patent_no_of_words] => 5570 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15652629 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/652629
Magnetic recording write apparatus having a pole having an aspect ratio greater than one and an auxiliary pole Jul 17, 2017 Issued
Array ( [id] => 13187553 [patent_doc_number] => 10109302 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-10-23 [patent_title] => Magnetic recording head with spin torque oscillator, head gimbal assembly and magnetic recording apparatus [patent_app_type] => utility [patent_app_number] => 15/652684 [patent_app_country] => US [patent_app_date] => 2017-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 9677 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15652684 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/652684
Magnetic recording head with spin torque oscillator, head gimbal assembly and magnetic recording apparatus Jul 17, 2017 Issued
Array ( [id] => 13018711 [patent_doc_number] => 10032470 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-24 [patent_title] => Magnetic recording head with spin torque oscillator, head gimbal assembly and magnetic recording apparatus [patent_app_type] => utility [patent_app_number] => 15/649958 [patent_app_country] => US [patent_app_date] => 2017-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 8090 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15649958 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/649958
Magnetic recording head with spin torque oscillator, head gimbal assembly and magnetic recording apparatus Jul 13, 2017 Issued
Array ( [id] => 12649638 [patent_doc_number] => 20180108377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-19 [patent_title] => MOTOR AND DISK DRIVE APPARATUS [patent_app_type] => utility [patent_app_number] => 15/633843 [patent_app_country] => US [patent_app_date] => 2017-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7073 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15633843 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/633843
Motor including a yoke with an increased thickness portion and a decreased thickness portion and disk drive apparatus including the motor Jun 26, 2017 Issued
Array ( [id] => 12553371 [patent_doc_number] => 10014012 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-03 [patent_title] => Spin-orbit torque based magnetic recording [patent_app_type] => utility [patent_app_number] => 15/631878 [patent_app_country] => US [patent_app_date] => 2017-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5128 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15631878 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/631878
Spin-orbit torque based magnetic recording Jun 22, 2017 Issued
Array ( [id] => 13292869 [patent_doc_number] => 10157632 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-12-18 [patent_title] => Areal density capability improvement with spin-orbit torque based structures surrounding main pole tip [patent_app_type] => utility [patent_app_number] => 15/631932 [patent_app_country] => US [patent_app_date] => 2017-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 9687 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15631932 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/631932
Areal density capability improvement with spin-orbit torque based structures surrounding main pole tip Jun 22, 2017 Issued
Array ( [id] => 12293328 [patent_doc_number] => 09934795 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-04-03 [patent_title] => Recording head with first and second coils that induce flux into write pole and shield [patent_app_type] => utility [patent_app_number] => 15/618315 [patent_app_country] => US [patent_app_date] => 2017-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3543 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15618315 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/618315
Recording head with first and second coils that induce flux into write pole and shield Jun 8, 2017 Issued
Array ( [id] => 13005503 [patent_doc_number] => 10026422 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-17 [patent_title] => Write pole with low wall angle [patent_app_type] => utility [patent_app_number] => 15/609719 [patent_app_country] => US [patent_app_date] => 2017-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3321 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 15609719 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/609719
Write pole with low wall angle May 30, 2017 Issued
Array ( [id] => 13819039 [patent_doc_number] => 10186291 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-01-22 [patent_title] => Bond pad sharing in head slider using null point center tap [patent_app_type] => utility [patent_app_number] => 15/603730 [patent_app_country] => US [patent_app_date] => 2017-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 22 [patent_no_of_words] => 8608 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15603730 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/603730
Bond pad sharing in head slider using null point center tap May 23, 2017 Issued
Array ( [id] => 13921041 [patent_doc_number] => 10204644 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-02-12 [patent_title] => Magnetic write transducer with flat pole section [patent_app_type] => utility [patent_app_number] => 15/601032 [patent_app_country] => US [patent_app_date] => 2017-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 3246 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15601032 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/601032
Magnetic write transducer with flat pole section May 21, 2017 Issued
Array ( [id] => 13214253 [patent_doc_number] => 10121501 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-06 [patent_title] => Free layer magnetic reader that may have a reduced shield-to-shield spacing [patent_app_type] => utility [patent_app_number] => 15/597342 [patent_app_country] => US [patent_app_date] => 2017-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 8756 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15597342 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/597342
Free layer magnetic reader that may have a reduced shield-to-shield spacing May 16, 2017 Issued
Array ( [id] => 12534090 [patent_doc_number] => 10008220 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-26 [patent_title] => Magnetic recording medium and magnetic memory device including magnetic layers having granular structure of magnetic grains and grain boundary portion [patent_app_type] => utility [patent_app_number] => 15/596109 [patent_app_country] => US [patent_app_date] => 2017-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3598 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15596109 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/596109
Magnetic recording medium and magnetic memory device including magnetic layers having granular structure of magnetic grains and grain boundary portion May 15, 2017 Issued
Array ( [id] => 14842531 [patent_doc_number] => 20190279666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => SPIN TRANSFER TORQUE DEVICE WITH OXIDE LAYER BENEATH THE SEED LAYER [patent_app_type] => utility [patent_app_number] => 15/596198 [patent_app_country] => US [patent_app_date] => 2017-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 15596198 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/596198
Spin transfer torque device with oxide layer beneath the seed layer May 15, 2017 Issued
Array ( [id] => 12553398 [patent_doc_number] => 10014021 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-03 [patent_title] => Perpendicular magnetic recording (PMR) write head with patterned leading shield [patent_app_type] => utility [patent_app_number] => 15/595338 [patent_app_country] => US [patent_app_date] => 2017-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 24 [patent_no_of_words] => 7908 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15595338 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/595338
Perpendicular magnetic recording (PMR) write head with patterned leading shield May 14, 2017 Issued
Array ( [id] => 13558401 [patent_doc_number] => 20180330748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => PMR Write Head with Patterned Leading Edge Taper [patent_app_type] => utility [patent_app_number] => 15/595357 [patent_app_country] => US [patent_app_date] => 2017-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7139 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 15595357 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/595357
PMR write head with patterned leading edge taper May 14, 2017 Issued
Array ( [id] => 11945809 [patent_doc_number] => 20170249961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-31 [patent_title] => 'DATA READER WITH PINNED FRONT SHIELD' [patent_app_type] => utility [patent_app_number] => 15/594853 [patent_app_country] => US [patent_app_date] => 2017-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3897 [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] => 15594853 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/594853
Data reader with pinned front shield May 14, 2017 Issued
Array ( [id] => 13070667 [patent_doc_number] => 10056117 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-08-21 [patent_title] => Data storage device baseplate diverter and downstream spoiler [patent_app_type] => utility [patent_app_number] => 15/592621 [patent_app_country] => US [patent_app_date] => 2017-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4436 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15592621 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/592621
Data storage device baseplate diverter and downstream spoiler May 10, 2017 Issued
Array ( [id] => 12968617 [patent_doc_number] => 09875773 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-01-23 [patent_title] => Acoustic hard drive surrogate [patent_app_type] => utility [patent_app_number] => 15/588141 [patent_app_country] => US [patent_app_date] => 2017-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4893 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15588141 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/588141
Acoustic hard drive surrogate May 4, 2017 Issued
Array ( [id] => 12026702 [patent_doc_number] => 20170316801 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-02 [patent_title] => 'RECORDING TAPE CARTRIDGE' [patent_app_type] => utility [patent_app_number] => 15/490924 [patent_app_country] => US [patent_app_date] => 2017-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7072 [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] => 15490924 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/490924
Recording tape cartridge having a reel that includes a plurality of through holes formed in a flange thereof Apr 18, 2017 Issued
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