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] => 12243006 [patent_doc_number] => 20180075869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-15 [patent_title] => 'MAGNETIC READER HAVING A NONMAGNETIC INSERTION LAYER FOR THE PINNING LAYER' [patent_app_type] => utility [patent_app_number] => 15/817543 [patent_app_country] => US [patent_app_date] => 2017-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5096 [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] => 15817543 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/817543
Magnetic reader having a nonmagnetic insertion layer for the pinning layer Nov 19, 2017 Issued
Array ( [id] => 12848290 [patent_doc_number] => 20180174603 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => HEATER DESIGN FOR FLY HEIGHT CONTROL [patent_app_type] => utility [patent_app_number] => 15/815369 [patent_app_country] => US [patent_app_date] => 2017-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4046 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15815369 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/815369
Heater design with locally decreased resistance area for fly height control Nov 15, 2017 Issued
Array ( [id] => 12848311 [patent_doc_number] => 20180174610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => MOTOR AND DISK DRIVE APPARATUS [patent_app_type] => utility [patent_app_number] => 15/795348 [patent_app_country] => US [patent_app_date] => 2017-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15795348 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/795348
Motor including base portion and vent passage and disk drive apparatus provided with same Oct 26, 2017 Issued
Array ( [id] => 14220619 [patent_doc_number] => 20190122694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-25 [patent_title] => HEAD GIMBAL ASSEMBLY SOLDER JOINTS AND FORMATION THEREOF USING BOND PAD SOLDER DAMS [patent_app_type] => utility [patent_app_number] => 15/788886 [patent_app_country] => US [patent_app_date] => 2017-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15788886 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/788886
HEAD GIMBAL ASSEMBLY SOLDER JOINTS AND FORMATION THEREOF USING BOND PAD SOLDER DAMS Oct 19, 2017 Abandoned
Array ( [id] => 14671445 [patent_doc_number] => 10373636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => Suspension having a stacked D33 mode PZT actuator with constraint layer [patent_app_type] => utility [patent_app_number] => 15/727306 [patent_app_country] => US [patent_app_date] => 2017-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3291 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15727306 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/727306
Suspension having a stacked D33 mode PZT actuator with constraint layer Oct 5, 2017 Issued
15/722217 MICROWAVE-ASSISTED MAGNETIC RECORDING (MAMR) WRITE HEAD WITH COMPENSATION FOR DC SHUNTING FIELD Oct 1, 2017 Abandoned
Array ( [id] => 15314963 [patent_doc_number] => 10522191 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-31 [patent_title] => Controlling fan speed based on hard disk assembly position [patent_app_type] => utility [patent_app_number] => 15/711020 [patent_app_country] => US [patent_app_date] => 2017-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4850 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15711020 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/711020
Controlling fan speed based on hard disk assembly position Sep 20, 2017 Issued
Array ( [id] => 14252021 [patent_doc_number] => 10276216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-30 [patent_title] => Data storage device filter [patent_app_type] => utility [patent_app_number] => 15/704492 [patent_app_country] => US [patent_app_date] => 2017-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 3604 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15704492 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/704492
Data storage device filter Sep 13, 2017 Issued
Array ( [id] => 14366339 [patent_doc_number] => 10304481 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-28 [patent_title] => Tape head having sensors proximate to a region between tented tape regions [patent_app_type] => utility [patent_app_number] => 15/697260 [patent_app_country] => US [patent_app_date] => 2017-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 23 [patent_no_of_words] => 13865 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15697260 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/697260
Tape head having sensors proximate to a region between tented tape regions Sep 5, 2017 Issued
Array ( [id] => 13187567 [patent_doc_number] => 10109309 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-10-23 [patent_title] => Heat-assisted magnetic recording (HAMR) medium with heat-sink layer having anisotropic thermal conductivity [patent_app_type] => utility [patent_app_number] => 15/694276 [patent_app_country] => US [patent_app_date] => 2017-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5021 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15694276 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/694276
Heat-assisted magnetic recording (HAMR) medium with heat-sink layer having anisotropic thermal conductivity Aug 31, 2017 Issued
Array ( [id] => 14671443 [patent_doc_number] => 10373635 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => Magnetic head suspension assembly having flexible wiring member with connection terminal including center hole and cover layer and disk device provided with the same [patent_app_type] => utility [patent_app_number] => 15/693414 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6538 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15693414 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/693414
Magnetic head suspension assembly having flexible wiring member with connection terminal including center hole and cover layer and disk device provided with the same Aug 30, 2017 Issued
Array ( [id] => 13434611 [patent_doc_number] => 20180268848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => MAGNETIC RECORDING APPARATUS AND MAGNETIC RECORDING HEAD [patent_app_type] => utility [patent_app_number] => 15/687570 [patent_app_country] => US [patent_app_date] => 2017-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15687570 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/687570
Magnetic recording apparatus having magnetic flux control part and magnetic recording head having magnetic flux control part Aug 27, 2017 Issued
Array ( [id] => 13995129 [patent_doc_number] => 20190066722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => Single Rh Layer Optical Field Enhancer with Pre-Focusing Structures [patent_app_type] => utility [patent_app_number] => 15/686471 [patent_app_country] => US [patent_app_date] => 2017-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5343 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 15686471 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/686471
Single Rh layer optical field enhancer with pre-focusing structures Aug 24, 2017 Issued
Array ( [id] => 13965633 [patent_doc_number] => 20190059161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => COMPACT PRINTED CIRCUIT BOARD ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/682354 [patent_app_country] => US [patent_app_date] => 2017-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4485 [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] => 15682354 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/682354
Compact printed circuit board assembly with insulating endcap via Aug 20, 2017 Issued
Array ( [id] => 14706585 [patent_doc_number] => 10381049 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Data storage device housing components having a polymeric element attached to a surface thereof [patent_app_type] => utility [patent_app_number] => 15/675876 [patent_app_country] => US [patent_app_date] => 2017-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3700 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [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] => 15675876 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/675876
Data storage device housing components having a polymeric element attached to a surface thereof Aug 13, 2017 Issued
Array ( [id] => 13228309 [patent_doc_number] => 10127933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-13 [patent_title] => Multi-track reader for improved signal to noise ratio [patent_app_type] => utility [patent_app_number] => 15/674952 [patent_app_country] => US [patent_app_date] => 2017-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 36 [patent_no_of_words] => 8424 [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] => 15674952 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/674952
Multi-track reader for improved signal to noise ratio Aug 10, 2017 Issued
Array ( [id] => 13282831 [patent_doc_number] => 10153005 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-12-11 [patent_title] => Container flange configurations with increased diffusion length for hermetic sealing of data storage systems and devices [patent_app_type] => utility [patent_app_number] => 15/669881 [patent_app_country] => US [patent_app_date] => 2017-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 6107 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15669881 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/669881
Container flange configurations with increased diffusion length for hermetic sealing of data storage systems and devices Aug 3, 2017 Issued
Array ( [id] => 13256641 [patent_doc_number] => 10141014 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-11-27 [patent_title] => Write head with reduced trailing shield--side shield spacing [patent_app_type] => utility [patent_app_number] => 15/662682 [patent_app_country] => US [patent_app_date] => 2017-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 5350 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [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] => 15662682 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/662682
Write head with reduced trailing shield--side shield spacing Jul 27, 2017 Issued
Array ( [id] => 13112061 [patent_doc_number] => 10074688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-11 [patent_title] => Magnetoresistive effect device with first and second magnetoresistive effect elements having opposite current flows relative to the ordering of the layers of the elements [patent_app_type] => utility [patent_app_number] => 15/662697 [patent_app_country] => US [patent_app_date] => 2017-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 34100 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 15662697 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/662697
Magnetoresistive effect device with first and second magnetoresistive effect elements having opposite current flows relative to the ordering of the layers of the elements Jul 27, 2017 Issued
Array ( [id] => 13173503 [patent_doc_number] => 10102871 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-10-16 [patent_title] => High damping materials in shields and/or write pole [patent_app_type] => utility [patent_app_number] => 15/659840 [patent_app_country] => US [patent_app_date] => 2017-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 4520 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15659840 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/659840
High damping materials in shields and/or write pole Jul 25, 2017 Issued
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