
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 17803047
[patent_doc_number] => 11417356
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-08-16
[patent_title] => Write assist stack to reduce resistance and improve reliability
[patent_app_type] => utility
[patent_app_number] => 16/917487
[patent_app_country] => US
[patent_app_date] => 2020-06-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 13
[patent_no_of_words] => 10398
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 3
[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] => 16917487
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/917487 | Write assist stack to reduce resistance and improve reliability | Jun 29, 2020 | Issued |
Array
(
[id] => 17516610
[patent_doc_number] => 11295769
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-04-05
[patent_title] => Soft mount voice coil motor assembly
[patent_app_type] => utility
[patent_app_number] => 16/915698
[patent_app_country] => US
[patent_app_date] => 2020-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 11
[patent_no_of_words] => 7385
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 95
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16915698
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/915698 | Soft mount voice coil motor assembly | Jun 28, 2020 | Issued |
Array
(
[id] => 17018140
[patent_doc_number] => 11087785
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-08-10
[patent_title] => Effective rear hard bias for dual free layer read heads
[patent_app_type] => utility
[patent_app_number] => 16/915718
[patent_app_country] => US
[patent_app_date] => 2020-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 16
[patent_no_of_words] => 8708
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 5
[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] => 16915718
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/915718 | Effective rear hard bias for dual free layer read heads | Jun 28, 2020 | Issued |
Array
(
[id] => 16773711
[patent_doc_number] => 10984828
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-04-20
[patent_title] => Sliders with low aspect ratio
[patent_app_type] => utility
[patent_app_number] => 16/946539
[patent_app_country] => US
[patent_app_date] => 2020-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 13
[patent_no_of_words] => 8182
[patent_no_of_claims] => 30
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 78
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16946539
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/946539 | Sliders with low aspect ratio | Jun 25, 2020 | Issued |
Array
(
[id] => 17424053
[patent_doc_number] => 11257514
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-02-22
[patent_title] => Magnetic recording devices having negative polarization layer to enhance spin-transfer torque
[patent_app_type] => utility
[patent_app_number] => 16/912509
[patent_app_country] => US
[patent_app_date] => 2020-06-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 7097
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 81
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16912509
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/912509 | Magnetic recording devices having negative polarization layer to enhance spin-transfer torque | Jun 24, 2020 | Issued |
Array
(
[id] => 17516612
[patent_doc_number] => 11295771
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-04-05
[patent_title] => Head positioning assembly for tape embedded drive
[patent_app_type] => utility
[patent_app_number] => 16/905781
[patent_app_country] => US
[patent_app_date] => 2020-06-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 6
[patent_no_of_words] => 6076
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 138
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16905781
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/905781 | Head positioning assembly for tape embedded drive | Jun 17, 2020 | Issued |
Array
(
[id] => 17018137
[patent_doc_number] => 11087782
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-08-10
[patent_title] => Shielding between heads for tape drive
[patent_app_type] => utility
[patent_app_number] => 16/903253
[patent_app_country] => US
[patent_app_date] => 2020-06-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 14
[patent_no_of_words] => 7146
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 115
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16903253
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/903253 | Shielding between heads for tape drive | Jun 15, 2020 | Issued |
Array
(
[id] => 17270131
[patent_doc_number] => 11195559
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-12-07
[patent_title] => Slider test socket with clamp, and related assemblies and methods of use
[patent_app_type] => utility
[patent_app_number] => 16/895680
[patent_app_country] => US
[patent_app_date] => 2020-06-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 16
[patent_no_of_words] => 5867
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 163
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16895680
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/895680 | Slider test socket with clamp, and related assemblies and methods of use | Jun 7, 2020 | Issued |
Array
(
[id] => 16911185
[patent_doc_number] => 11043233
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-06-22
[patent_title] => Magnetic write head with dual return pole and tapered main pole
[patent_app_type] => utility
[patent_app_number] => 16/946034
[patent_app_country] => US
[patent_app_date] => 2020-06-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 20
[patent_figures_cnt] => 22
[patent_no_of_words] => 9456
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 179
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16946034
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/946034 | Magnetic write head with dual return pole and tapered main pole | Jun 2, 2020 | Issued |
Array
(
[id] => 16759547
[patent_doc_number] => 10978102
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-04-13
[patent_title] => Thermally assisted magnetic head, head gimbal assembly and hard disk drive
[patent_app_type] => utility
[patent_app_number] => 16/885328
[patent_app_country] => US
[patent_app_date] => 2020-05-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 24
[patent_figures_cnt] => 24
[patent_no_of_words] => 7003
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 4
[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] => 16885328
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/885328 | Thermally assisted magnetic head, head gimbal assembly and hard disk drive | May 27, 2020 | Issued |
Array
(
[id] => 17032530
[patent_doc_number] => 11094347
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-08-17
[patent_title] => Split ramp for data storage devices
[patent_app_type] => utility
[patent_app_number] => 16/863287
[patent_app_country] => US
[patent_app_date] => 2020-04-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 11
[patent_no_of_words] => 4200
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 136
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16863287
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/863287 | Split ramp for data storage devices | Apr 29, 2020 | Issued |
Array
(
[id] => 16943889
[patent_doc_number] => 11056137
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-07-06
[patent_title] => Load beam side rail shock contact feature
[patent_app_type] => utility
[patent_app_number] => 16/861207
[patent_app_country] => US
[patent_app_date] => 2020-04-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 14
[patent_no_of_words] => 6590
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 4
[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] => 16861207
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/861207 | Load beam side rail shock contact feature | Apr 27, 2020 | Issued |
Array
(
[id] => 16834933
[patent_doc_number] => 11011190
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-05-18
[patent_title] => Magnetic write head with write-field enhancement structure including a magnetic notch
[patent_app_type] => utility
[patent_app_number] => 16/857423
[patent_app_country] => US
[patent_app_date] => 2020-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 18
[patent_figures_cnt] => 30
[patent_no_of_words] => 16580
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 222
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16857423
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/857423 | Magnetic write head with write-field enhancement structure including a magnetic notch | Apr 23, 2020 | Issued |
Array
(
[id] => 17002310
[patent_doc_number] => 11081132
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-08-03
[patent_title] => Tape embedded drive with HDD components
[patent_app_type] => utility
[patent_app_number] => 16/858265
[patent_app_country] => US
[patent_app_date] => 2020-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 7331
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 145
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16858265
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/858265 | Tape embedded drive with HDD components | Apr 23, 2020 | Issued |
Array
(
[id] => 17173802
[patent_doc_number] => 20210327473
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-10-21
[patent_title] => TOP COVER SPRING DESIGNS
[patent_app_type] => utility
[patent_app_number] => 16/852904
[patent_app_country] => US
[patent_app_date] => 2020-04-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2966
[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] => 16852904
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/852904 | Top cover spring designs | Apr 19, 2020 | Issued |
Array
(
[id] => 16699654
[patent_doc_number] => 10950260
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-03-16
[patent_title] => Magnetoresistive sensor with improved magnetic properties and magnetostriction control
[patent_app_type] => utility
[patent_app_number] => 16/851568
[patent_app_country] => US
[patent_app_date] => 2020-04-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 6467
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16851568
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/851568 | Magnetoresistive sensor with improved magnetic properties and magnetostriction control | Apr 16, 2020 | Issued |
Array
(
[id] => 16958857
[patent_doc_number] => 11062734
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-07-13
[patent_title] => Multi-spindle and multi-actuator data storage devices
[patent_app_type] => utility
[patent_app_number] => 16/838891
[patent_app_country] => US
[patent_app_date] => 2020-04-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 3226
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 28
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16838891
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/838891 | Multi-spindle and multi-actuator data storage devices | Apr 1, 2020 | Issued |
Array
(
[id] => 16180107
[patent_doc_number] => 20200227076
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-07-16
[patent_title] => MICROWAVE-ASSISTED MAGNETIC RECORDING (MAMR) WRITE HEAD WITH COMPENSATION FOR DC SHUNTING FIELD
[patent_app_type] => utility
[patent_app_number] => 16/835198
[patent_app_country] => US
[patent_app_date] => 2020-03-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4920
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 102
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16835198
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/835198 | Microwave-assisted magnetic recording (MAMR) write head with compensation for DC shunting field | Mar 29, 2020 | Issued |
Array
(
[id] => 17500410
[patent_doc_number] => 11289119
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-03-29
[patent_title] => Notched leading-edge shield for assisted magnetic recording head
[patent_app_type] => utility
[patent_app_number] => 16/828030
[patent_app_country] => US
[patent_app_date] => 2020-03-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 11
[patent_no_of_words] => 2547
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[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] => 16828030
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/828030 | Notched leading-edge shield for assisted magnetic recording head | Mar 23, 2020 | Issued |
Array
(
[id] => 17018136
[patent_doc_number] => 11087781
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-08-10
[patent_title] => Magnetic head including plural magnetic layers and plural intermediate layers and magnetic recording device
[patent_app_type] => utility
[patent_app_number] => 16/820917
[patent_app_country] => US
[patent_app_date] => 2020-03-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 20
[patent_no_of_words] => 8129
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 238
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16820917
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/820917 | Magnetic head including plural magnetic layers and plural intermediate layers and magnetic recording device | Mar 16, 2020 | Issued |