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] => 12088884 [patent_doc_number] => 09842615 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-12-12 [patent_title] => 'Magnetic reader having a nonmagnetic insertion layer for the pinning layer' [patent_app_type] => utility [patent_app_number] => 14/752659 [patent_app_country] => US [patent_app_date] => 2015-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5069 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14752659 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/752659
Magnetic reader having a nonmagnetic insertion layer for the pinning layer Jun 25, 2015 Issued
Array ( [id] => 11346031 [patent_doc_number] => 09530443 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-12-27 [patent_title] => 'Method for fabricating a magnetic recording device having a high aspect ratio structure' [patent_app_type] => utility [patent_app_number] => 14/750239 [patent_app_country] => US [patent_app_date] => 2015-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 2696 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14750239 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/750239
Method for fabricating a magnetic recording device having a high aspect ratio structure Jun 24, 2015 Issued
Array ( [id] => 10495000 [patent_doc_number] => 20150380022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-31 [patent_title] => 'MICROWAVE ASSISTED MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING DEVICE HAVING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/743526 [patent_app_country] => US [patent_app_date] => 2015-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5795 [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] => 14743526 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/743526
Microwave assisted magnetic recording head and magnetic recording device having the same Jun 17, 2015 Issued
Array ( [id] => 10645058 [patent_doc_number] => 09361931 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-07 [patent_title] => 'Library apparatus with a locking and releasing shutter mechanism' [patent_app_type] => utility [patent_app_number] => 14/739030 [patent_app_country] => US [patent_app_date] => 2015-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 39 [patent_no_of_words] => 9257 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14739030 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/739030
Library apparatus with a locking and releasing shutter mechanism Jun 14, 2015 Issued
Array ( [id] => 10576722 [patent_doc_number] => 09299372 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-03-29 [patent_title] => 'Swage key enabling simultaneous transfer of two head gimbal assemblies onto two corresponding actuator pivot flex assembly arms' [patent_app_type] => utility [patent_app_number] => 14/738797 [patent_app_country] => US [patent_app_date] => 2015-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4328 [patent_no_of_claims] => 21 [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] => 14738797 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/738797
Swage key enabling simultaneous transfer of two head gimbal assemblies onto two corresponding actuator pivot flex assembly arms Jun 11, 2015 Issued
Array ( [id] => 10638149 [patent_doc_number] => 09355657 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-05-31 [patent_title] => 'Implementing spin torque oscillator erasure prevention in microwave-assisted magnetic recording (MAMR) hard disk drives' [patent_app_type] => utility [patent_app_number] => 14/731832 [patent_app_country] => US [patent_app_date] => 2015-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2569 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [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] => 14731832 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/731832
Implementing spin torque oscillator erasure prevention in microwave-assisted magnetic recording (MAMR) hard disk drives Jun 4, 2015 Issued
Array ( [id] => 11300363 [patent_doc_number] => 09508372 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-11-29 [patent_title] => 'Shingle magnetic writer having a low sidewall angle pole' [patent_app_type] => utility [patent_app_number] => 14/729403 [patent_app_country] => US [patent_app_date] => 2015-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 3497 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14729403 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/729403
Shingle magnetic writer having a low sidewall angle pole Jun 2, 2015 Issued
Array ( [id] => 10463568 [patent_doc_number] => 20150348583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-03 [patent_title] => 'DISK DRIVE DEVICE' [patent_app_type] => utility [patent_app_number] => 14/723986 [patent_app_country] => US [patent_app_date] => 2015-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7798 [patent_no_of_claims] => 20 [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] => 14723986 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/723986
DISK DRIVE DEVICE May 27, 2015 Abandoned
Array ( [id] => 10350655 [patent_doc_number] => 20150235660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-20 [patent_title] => 'TMR Device with Low Magnetostriction Free Layer' [patent_app_type] => utility [patent_app_number] => 14/699121 [patent_app_country] => US [patent_app_date] => 2015-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4997 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [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] => 14699121 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/699121
TMR device with low magnetostriction free layer Apr 28, 2015 Issued
Array ( [id] => 10779740 [patent_doc_number] => 20160125896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'METHOD OF MANUFACTURING FLUID BEARING APPARATUS AND SPINDLE MOTOR INCLUDING PRESS WORKING A CYLINDRICAL INNER SURFACE PROVIDED WITH A PLATING LAYER' [patent_app_type] => utility [patent_app_number] => 14/690583 [patent_app_country] => US [patent_app_date] => 2015-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7982 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [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] => 14690583 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/690583
Method of manufacturing fluid bearing apparatus and spindle motor including press working a cylindrical inner surface provided with a plating layer Apr 19, 2015 Issued
Array ( [id] => 13009361 [patent_doc_number] => 10028370 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-17 [patent_title] => Suspension board and load beam combination including a positioning reference hole and a reinforcing layer [patent_app_type] => utility [patent_app_number] => 14/686143 [patent_app_country] => US [patent_app_date] => 2015-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 38 [patent_no_of_words] => 9377 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 14686143 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/686143
Suspension board and load beam combination including a positioning reference hole and a reinforcing layer Apr 13, 2015 Issued
Array ( [id] => 10825825 [patent_doc_number] => 20160171993 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-16 [patent_title] => 'MAGNETIC HEAD WITH PLURAL READ ELEMENTS HAVING PINNED LAYERS MAGNETIC DISK DEVICE COMPRISING THE SAME AND READING METHOD USING MAGNETIC HEAD' [patent_app_type] => utility [patent_app_number] => 14/639081 [patent_app_country] => US [patent_app_date] => 2015-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5018 [patent_no_of_claims] => 16 [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] => 14639081 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/639081
MAGNETIC HEAD WITH PLURAL READ ELEMENTS HAVING PINNED LAYERS MAGNETIC DISK DEVICE COMPRISING THE SAME AND READING METHOD USING MAGNETIC HEAD Mar 3, 2015 Abandoned
Array ( [id] => 12211376 [patent_doc_number] => 09908167 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-03-06 [patent_title] => 'Disk drive tolerance ring with edge rounding from opposite major faces' [patent_app_type] => utility [patent_app_number] => 14/636077 [patent_app_country] => US [patent_app_date] => 2015-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3153 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14636077 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/636077
Disk drive tolerance ring with edge rounding from opposite major faces Mar 1, 2015 Issued
Array ( [id] => 10336321 [patent_doc_number] => 20150221326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-06 [patent_title] => 'ULTRAHIGH LINEAR DENSITY SENSOR' [patent_app_type] => utility [patent_app_number] => 14/610771 [patent_app_country] => US [patent_app_date] => 2015-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5744 [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] => 14610771 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/610771
Positive and negative magnetostriction ultrahigh linear density sensor Jan 29, 2015 Issued
Array ( [id] => 11802073 [patent_doc_number] => 09542962 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-10 [patent_title] => 'Multi-sensor reader structure having a current path with increased size to reduce noise' [patent_app_type] => utility [patent_app_number] => 14/604617 [patent_app_country] => US [patent_app_date] => 2015-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 48 [patent_no_of_words] => 11533 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14604617 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/604617
Multi-sensor reader structure having a current path with increased size to reduce noise Jan 22, 2015 Issued
Array ( [id] => 10472857 [patent_doc_number] => 20150357874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-10 [patent_title] => 'SPINDLE MOTOR AND RECORDING DISK DRIVING APPARATUS INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/603361 [patent_app_country] => US [patent_app_date] => 2015-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4364 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 14603361 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/603361
SPINDLE MOTOR AND RECORDING DISK DRIVING APPARATUS INCLUDING THE SAME Jan 22, 2015
Array ( [id] => 10253672 [patent_doc_number] => 20150138668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-21 [patent_title] => 'MULTI-READ SENSOR HAVING A NARROW READ GAP STRUCTURE' [patent_app_type] => utility [patent_app_number] => 14/596121 [patent_app_country] => US [patent_app_date] => 2015-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 11451 [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] => 14596121 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/596121
MULTI-READ SENSOR HAVING A NARROW READ GAP STRUCTURE Jan 12, 2015
Array ( [id] => 11791823 [patent_doc_number] => 09401469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-07-26 [patent_title] => 'Thin-film piezoelectric material element, method of manufacturing the same, head gimbal assembly, hard disk drive, ink jet head, variable focus lens and sensor' [patent_app_type] => utility [patent_app_number] => 14/591114 [patent_app_country] => US [patent_app_date] => 2015-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 16059 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14591114 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/591114
Thin-film piezoelectric material element, method of manufacturing the same, head gimbal assembly, hard disk drive, ink jet head, variable focus lens and sensor Jan 6, 2015 Issued
Array ( [id] => 10556788 [patent_doc_number] => 09280991 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-03-08 [patent_title] => 'TMR head design with insulative layers for shorting mitigation' [patent_app_type] => utility [patent_app_number] => 14/591861 [patent_app_country] => US [patent_app_date] => 2015-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 7851 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14591861 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/591861
TMR head design with insulative layers for shorting mitigation Jan 6, 2015 Issued
Array ( [id] => 10307647 [patent_doc_number] => 20150192649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-09 [patent_title] => 'Magnetoresistance Element with an Improved Seed Layer to Promote an Improved Response to Magnetic Fields' [patent_app_type] => utility [patent_app_number] => 14/591213 [patent_app_country] => US [patent_app_date] => 2015-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5541 [patent_no_of_claims] => 34 [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] => 14591213 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/591213
Magnetoresistance element with an improved seed layer to promote an improved response to magnetic fields Jan 6, 2015 Issued
Menu