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] => 18047687 [patent_doc_number] => 11521645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Magnetoresistive element, magnetic sensor, reproducing head, and magnetic recording and reproducing device [patent_app_type] => utility [patent_app_number] => 17/295124 [patent_app_country] => US [patent_app_date] => 2019-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 10685 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17295124 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/295124
Magnetoresistive element, magnetic sensor, reproducing head, and magnetic recording and reproducing device Jun 26, 2019 Issued
Array ( [id] => 16803038 [patent_doc_number] => 10997989 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-05-04 [patent_title] => Bilayer hot seed to reduce gap field for magnetic recording heads [patent_app_type] => utility [patent_app_number] => 16/438377 [patent_app_country] => US [patent_app_date] => 2019-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4999 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16438377 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/438377
Bilayer hot seed to reduce gap field for magnetic recording heads Jun 10, 2019 Issued
Array ( [id] => 17540292 [patent_doc_number] => 11305397 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Lapping system that includes a lapping plate temperature control system, and related methods [patent_app_type] => utility [patent_app_number] => 16/430540 [patent_app_country] => US [patent_app_date] => 2019-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4529 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16430540 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/430540
Lapping system that includes a lapping plate temperature control system, and related methods Jun 3, 2019 Issued
Array ( [id] => 16378069 [patent_doc_number] => 20200326911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => MAGNETIC TUNNEL JUNCTION BASED TRUE RANDOM NUMBER GENERATOR [patent_app_type] => utility [patent_app_number] => 16/383879 [patent_app_country] => US [patent_app_date] => 2019-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5195 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16383879 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/383879
Magnetic tunnel junction based true random number generator Apr 14, 2019 Issued
Array ( [id] => 16447929 [patent_doc_number] => 10839860 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-17 [patent_title] => Methods and devices for reducing condensation in storage devices [patent_app_type] => utility [patent_app_number] => 16/384198 [patent_app_country] => US [patent_app_date] => 2019-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2618 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16384198 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/384198
Methods and devices for reducing condensation in storage devices Apr 14, 2019 Issued
Array ( [id] => 16386193 [patent_doc_number] => 10811034 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-10-20 [patent_title] => Heat sink structure for microwave-assisted magnetic recording (MAMR) head [patent_app_type] => utility [patent_app_number] => 16/371507 [patent_app_country] => US [patent_app_date] => 2019-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 7120 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16371507 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/371507
Heat sink structure for microwave-assisted magnetic recording (MAMR) head Mar 31, 2019 Issued
Array ( [id] => 14541617 [patent_doc_number] => 20190206430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => TAPE HEAD HAVING SENSORS PROXIMATE TO AN EDGE [patent_app_type] => utility [patent_app_number] => 16/297411 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16297411 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/297411
Tape head having sensors proximate to an edge Mar 7, 2019 Issued
Array ( [id] => 14541613 [patent_doc_number] => 20190206428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => Method of Forming a Perpendicular Magnetic Recording (PMR) Write Head with Patterned Leading Edge Taper [patent_app_type] => utility [patent_app_number] => 16/296349 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16296349 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296349
Method of forming a perpendicular magnetic recording (PMR) write head with patterned leading edge taper Mar 7, 2019 Issued
Array ( [id] => 14541615 [patent_doc_number] => 20190206429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => TAPE HEAD HAVING SENSORS PROXIMATE TO AN EDGE [patent_app_type] => utility [patent_app_number] => 16/297376 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16297376 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/297376
Tape head having sensors proximate to an edge Mar 7, 2019 Issued
Array ( [id] => 16528452 [patent_doc_number] => 20200402533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => ORIENTATION DEVICE, PRODUCTION METHOD FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 16/613700 [patent_app_country] => US [patent_app_date] => 2019-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26514 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16613700 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/613700
Orientation device, production method for magnetic recording medium, and magnetic recording medium Mar 5, 2019 Issued
Array ( [id] => 17590468 [patent_doc_number] => 11328743 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Current-perpendicular-to-plane giant magnetoresistive element, precursor thereof, and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 17/040645 [patent_app_country] => US [patent_app_date] => 2019-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5428 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17040645 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/040645
Current-perpendicular-to-plane giant magnetoresistive element, precursor thereof, and manufacturing method thereof Feb 25, 2019 Issued
Array ( [id] => 16218193 [patent_doc_number] => 10734013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-04 [patent_title] => Spin transfer torque (STT) device with multilayer seed layers for magnetic recording and memory [patent_app_type] => utility [patent_app_number] => 16/277835 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7033 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16277835 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/277835
Spin transfer torque (STT) device with multilayer seed layers for magnetic recording and memory Feb 14, 2019 Issued
Array ( [id] => 15822501 [patent_doc_number] => 10636441 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-28 [patent_title] => Microwave-assisted magnetic recording (MAMR) write head with compensation for DC shunting field [patent_app_type] => utility [patent_app_number] => 16/276466 [patent_app_country] => US [patent_app_date] => 2019-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4923 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16276466 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/276466
Microwave-assisted magnetic recording (MAMR) write head with compensation for DC shunting field Feb 13, 2019 Issued
Array ( [id] => 15610983 [patent_doc_number] => 10586558 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-03-10 [patent_title] => Magnetic head including a main pole and a write shield [patent_app_type] => utility [patent_app_number] => 16/267803 [patent_app_country] => US [patent_app_date] => 2019-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 37 [patent_no_of_words] => 21826 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 767 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16267803 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/267803
Magnetic head including a main pole and a write shield Feb 4, 2019 Issued
Array ( [id] => 16479269 [patent_doc_number] => 10854222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Magnetic recording and reproducing device having a magnetic recording head including a magnetic flux control layer between a main magnetic pole and an auxiliary magnetic pole [patent_app_type] => utility [patent_app_number] => 16/266166 [patent_app_country] => US [patent_app_date] => 2019-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 9729 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16266166 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/266166
Magnetic recording and reproducing device having a magnetic recording head including a magnetic flux control layer between a main magnetic pole and an auxiliary magnetic pole Feb 3, 2019 Issued
Array ( [id] => 14316413 [patent_doc_number] => 20190147910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-16 [patent_title] => PLANAR MONO COIL FOR TWO STAGE HEAD ACTUATOR [patent_app_type] => utility [patent_app_number] => 16/249800 [patent_app_country] => US [patent_app_date] => 2019-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12563 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16249800 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/249800
Planar mono coil for two stage head actuator Jan 15, 2019 Issued
Array ( [id] => 14784293 [patent_doc_number] => 20190267044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => BASE PLATE AND METHOD FOR PRODUCING BASE PLATE [patent_app_type] => utility [patent_app_number] => 16/244147 [patent_app_country] => US [patent_app_date] => 2019-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16244147 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/244147
Base plate with electrodeposition coating film and method for producing base plate Jan 9, 2019 Issued
Array ( [id] => 16409754 [patent_doc_number] => 10818315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-27 [patent_title] => Shorting tolerant tunnel valve head and circuit [patent_app_type] => utility [patent_app_number] => 16/243981 [patent_app_country] => US [patent_app_date] => 2019-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 9863 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16243981 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/243981
Shorting tolerant tunnel valve head and circuit Jan 8, 2019 Issued
Array ( [id] => 16162605 [patent_doc_number] => 20200219535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => MULTI-CHANNEL MAGNETIC RECORDING HEAD HAVING COMPLIANTLY ENCAPSULATED TRANSDUCERS [patent_app_type] => utility [patent_app_number] => 16/242927 [patent_app_country] => US [patent_app_date] => 2019-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15190 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16242927 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/242927
Multi-channel magnetic recording head having compliantly encapsulated transducers Jan 7, 2019 Issued
Array ( [id] => 16162597 [patent_doc_number] => 20200219531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => MULTICHANNEL TAPE HEAD MODULE HAVING THERMALLY SETTABLE TRANSDUCER PITCH AND METHOD OF SETTING PITCH THEREOF [patent_app_type] => utility [patent_app_number] => 16/242947 [patent_app_country] => US [patent_app_date] => 2019-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19781 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16242947 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/242947
Multichannel tape head module having thermally settable transducer pitch and method of setting pitch thereof Jan 7, 2019 Issued
Menu