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] => 11739923 [patent_doc_number] => 09704510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-11 [patent_title] => 'Data writer with graded side shields' [patent_app_type] => utility [patent_app_number] => 14/863673 [patent_app_country] => US [patent_app_date] => 2015-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4176 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14863673 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/863673
Data writer with graded side shields Sep 23, 2015 Issued
Array ( [id] => 11644829 [patent_doc_number] => 09666214 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-05-30 [patent_title] => 'Free layer magnetic reader that may have a reduced shield-to-shield spacing' [patent_app_type] => utility [patent_app_number] => 14/862895 [patent_app_country] => US [patent_app_date] => 2015-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 8957 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14862895 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/862895
Free layer magnetic reader that may have a reduced shield-to-shield spacing Sep 22, 2015 Issued
Array ( [id] => 11681059 [patent_doc_number] => 09679593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-13 [patent_title] => 'Circuit connection pad design for improved electrical robustness using conductive epoxy' [patent_app_type] => utility [patent_app_number] => 14/860921 [patent_app_country] => US [patent_app_date] => 2015-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 6468 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14860921 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/860921
Circuit connection pad design for improved electrical robustness using conductive epoxy Sep 21, 2015 Issued
Array ( [id] => 11681059 [patent_doc_number] => 09679593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-13 [patent_title] => 'Circuit connection pad design for improved electrical robustness using conductive epoxy' [patent_app_type] => utility [patent_app_number] => 14/860921 [patent_app_country] => US [patent_app_date] => 2015-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 6468 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14860921 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/860921
Circuit connection pad design for improved electrical robustness using conductive epoxy Sep 21, 2015 Issued
Array ( [id] => 10664948 [patent_doc_number] => 20160011092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-14 [patent_title] => 'ABRASION TEST METHODS AND DEVICES' [patent_app_type] => utility [patent_app_number] => 14/860535 [patent_app_country] => US [patent_app_date] => 2015-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5148 [patent_no_of_claims] => 7 [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] => 14860535 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/860535
Module with coating for abrasion testing Sep 20, 2015 Issued
Array ( [id] => 11239674 [patent_doc_number] => 09466319 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-10-11 [patent_title] => 'Perpendicular magnetic recording (PMR) write shield design with minimized wide adjacent track erasure (WATE)' [patent_app_type] => utility [patent_app_number] => 14/847418 [patent_app_country] => US [patent_app_date] => 2015-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 17 [patent_no_of_words] => 8878 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14847418 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/847418
Perpendicular magnetic recording (PMR) write shield design with minimized wide adjacent track erasure (WATE) Sep 7, 2015 Issued
Array ( [id] => 11475209 [patent_doc_number] => 20170061992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'MULTI-LAYER STUDS FOR ADVANCED MAGNETIC HEADS AND HIGH HEAD DENSITY WAFERS' [patent_app_type] => utility [patent_app_number] => 14/841580 [patent_app_country] => US [patent_app_date] => 2015-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8094 [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] => 14841580 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/841580
MULTI-LAYER STUDS FOR ADVANCED MAGNETIC HEADS AND HIGH HEAD DENSITY WAFERS Aug 30, 2015 Abandoned
Array ( [id] => 10486648 [patent_doc_number] => 20150371668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-24 [patent_title] => 'WRITE HEAD HAVING BEVELED NON-MAGNETIC WRITE GAP SEED LAYER' [patent_app_type] => utility [patent_app_number] => 14/839268 [patent_app_country] => US [patent_app_date] => 2015-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 3544 [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] => 14839268 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/839268
Write head having beveled non-magnetic write gap seed layer Aug 27, 2015 Issued
Array ( [id] => 11475234 [patent_doc_number] => 20170062018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'Control Of Vortex Shedding Associated With A Hard Disk Drive Damper Plate' [patent_app_type] => utility [patent_app_number] => 14/837713 [patent_app_country] => US [patent_app_date] => 2015-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4947 [patent_no_of_claims] => 23 [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] => 14837713 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/837713
Control Of Vortex Shedding Associated With A Hard Disk Drive Damper Plate Aug 26, 2015 Abandoned
Array ( [id] => 10479138 [patent_doc_number] => 20150364155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-17 [patent_title] => 'DAMPERS FOR ACTUATOR ASSEMBLY OF HARD DISK DRIVE' [patent_app_type] => utility [patent_app_number] => 14/835466 [patent_app_country] => US [patent_app_date] => 2015-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6517 [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] => 14835466 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/835466
DAMPERS FOR ACTUATOR ASSEMBLY OF HARD DISK DRIVE Aug 24, 2015 Abandoned
Array ( [id] => 13242445 [patent_doc_number] => 10134429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-20 [patent_title] => Filled-gap magnetic recording head and method of making [patent_app_type] => utility [patent_app_number] => 14/835644 [patent_app_country] => US [patent_app_date] => 2015-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 3571 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14835644 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/835644
Filled-gap magnetic recording head and method of making Aug 24, 2015 Issued
Array ( [id] => 11207605 [patent_doc_number] => 09437234 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-09-06 [patent_title] => 'Head-medium contact detection using high frequency heater oscillation' [patent_app_type] => utility [patent_app_number] => 14/831314 [patent_app_country] => US [patent_app_date] => 2015-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7081 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [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] => 14831314 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/831314
Head-medium contact detection using high frequency heater oscillation Aug 19, 2015 Issued
Array ( [id] => 11791523 [patent_doc_number] => 09401162 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-07-26 [patent_title] => 'Read sensor with free layers of different widths sandwiching a SAF structure for extremely high resolution' [patent_app_type] => utility [patent_app_number] => 14/826779 [patent_app_country] => US [patent_app_date] => 2015-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 5170 [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] => 14826779 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/826779
Read sensor with free layers of different widths sandwiching a SAF structure for extremely high resolution Aug 13, 2015 Issued
Array ( [id] => 11192166 [patent_doc_number] => 09422974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-23 [patent_title] => 'Fluid bearing apparatus including dynamic pressure grooves with striations, spindle motor, and disk drive apparatus' [patent_app_type] => utility [patent_app_number] => 14/822939 [patent_app_country] => US [patent_app_date] => 2015-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11678 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14822939 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/822939
Fluid bearing apparatus including dynamic pressure grooves with striations, spindle motor, and disk drive apparatus Aug 10, 2015 Issued
Array ( [id] => 11787291 [patent_doc_number] => 09396744 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-07-19 [patent_title] => 'Two dimensional magnetic read head having asymmetrical secondary read elements' [patent_app_type] => utility [patent_app_number] => 14/822853 [patent_app_country] => US [patent_app_date] => 2015-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4066 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14822853 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/822853
Two dimensional magnetic read head having asymmetrical secondary read elements Aug 9, 2015 Issued
Array ( [id] => 10551029 [patent_doc_number] => 09275660 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-03-01 [patent_title] => 'Magnetic head having first magnetic shield, stack, side shield, antiferromagnetic layer, and second magnetic shield, magnetic head assembly, magnetic recording and reproducing apparatus, and manufacturing method of magnetic head' [patent_app_type] => utility [patent_app_number] => 14/817468 [patent_app_country] => US [patent_app_date] => 2015-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 37 [patent_no_of_words] => 13282 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14817468 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/817468
Magnetic head having first magnetic shield, stack, side shield, antiferromagnetic layer, and second magnetic shield, magnetic head assembly, magnetic recording and reproducing apparatus, and manufacturing method of magnetic head Aug 3, 2015 Issued
Array ( [id] => 10673770 [patent_doc_number] => 20160019916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-21 [patent_title] => 'Unbalanced Data Writer Coil' [patent_app_type] => utility [patent_app_number] => 14/800919 [patent_app_country] => US [patent_app_date] => 2015-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5362 [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] => 14800919 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/800919
Unbalanced data writer coil Jul 15, 2015 Issued
Array ( [id] => 11775820 [patent_doc_number] => 09384764 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-07-05 [patent_title] => 'Electrically conductive magnetic shield laminate structure for contact recording sensor' [patent_app_type] => utility [patent_app_number] => 14/752931 [patent_app_country] => US [patent_app_date] => 2015-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 8630 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14752931 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/752931
Electrically conductive magnetic shield laminate structure for contact recording sensor Jun 26, 2015 Issued
Array ( [id] => 11796476 [patent_doc_number] => 09406319 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-08-02 [patent_title] => 'Electrically non-conductive magnetic shield laminate structure for contact recording sensor' [patent_app_type] => utility [patent_app_number] => 14/752933 [patent_app_country] => US [patent_app_date] => 2015-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 9029 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14752933 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/752933
Electrically non-conductive magnetic shield laminate structure for contact recording sensor Jun 26, 2015 Issued
Array ( [id] => 10563241 [patent_doc_number] => 09286922 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-03-15 [patent_title] => 'Adaptive tacking of head gimbal assembly long tail and HSA arm slot' [patent_app_type] => utility [patent_app_number] => 14/752646 [patent_app_country] => US [patent_app_date] => 2015-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4064 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14752646 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/752646
Adaptive tacking of head gimbal assembly long tail and HSA arm slot Jun 25, 2015 Issued
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