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] => 9966210 [patent_doc_number] => 09013833 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-21 [patent_title] => 'Non-circular feature for boss tower engagement' [patent_app_type] => utility [patent_app_number] => 13/796767 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 29 [patent_no_of_words] => 5884 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13796767 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/796767
Non-circular feature for boss tower engagement Mar 11, 2013 Issued
Array ( [id] => 9678505 [patent_doc_number] => 08817424 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-08-26 [patent_title] => 'Arm assembly with lift tab' [patent_app_type] => utility [patent_app_number] => 13/796850 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3570 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13796850 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/796850
Arm assembly with lift tab Mar 11, 2013 Issued
Array ( [id] => 9590952 [patent_doc_number] => 08780505 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-07-15 [patent_title] => 'Method and system for providing a read transducer having an improved composite magnetic shield' [patent_app_type] => utility [patent_app_number] => 13/795333 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4697 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [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] => 13795333 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/795333
Method and system for providing a read transducer having an improved composite magnetic shield Mar 11, 2013 Issued
Array ( [id] => 9119582 [patent_doc_number] => 20130286504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'TAPERED POLE HEADS FOR MAGNETIC MEDIA' [patent_app_type] => utility [patent_app_number] => 13/795482 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8650 [patent_no_of_claims] => 31 [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] => 13795482 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/795482
Tapered pole heads for magnetic media Mar 11, 2013 Issued
Array ( [id] => 9732706 [patent_doc_number] => 20140268415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'GAP BETWEEN MAGNETIC MATERIALS' [patent_app_type] => utility [patent_app_number] => 13/796951 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 3422 [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] => 13796951 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/796951
Main pole layer with at least tow sacrificial layers and a gap layer Mar 11, 2013 Issued
Array ( [id] => 9553742 [patent_doc_number] => 08760802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-24 [patent_title] => 'Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer' [patent_app_type] => utility [patent_app_number] => 13/795421 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 8025 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13795421 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/795421
Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer Mar 11, 2013 Issued
Array ( [id] => 9627992 [patent_doc_number] => 08797681 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-05 [patent_title] => 'Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar' [patent_app_type] => utility [patent_app_number] => 13/795590 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5654 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13795590 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/795590
Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar Mar 11, 2013 Issued
Array ( [id] => 9196545 [patent_doc_number] => 20130335860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-19 [patent_title] => 'BASE PLATE, BASE UNIT, MOTOR, DISK DRIVE APPARATUS AND METHOD OF MANUFACTURING THE BASE PLATE' [patent_app_type] => utility [patent_app_number] => 13/789974 [patent_app_country] => US [patent_app_date] => 2013-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 8313 [patent_no_of_claims] => 17 [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] => 13789974 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/789974
Base plate made of materials which have a different young's modulus, base unit, motor, disk drive apparatus and method of manufacturing the base plate Mar 7, 2013 Issued
Array ( [id] => 9576921 [patent_doc_number] => 08767348 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-07-01 [patent_title] => 'Thermally-assisted magnetic recording head including first and second cladding sections having different characteristics' [patent_app_type] => utility [patent_app_number] => 13/789086 [patent_app_country] => US [patent_app_date] => 2013-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 9026 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13789086 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/789086
Thermally-assisted magnetic recording head including first and second cladding sections having different characteristics Mar 6, 2013 Issued
Array ( [id] => 9583810 [patent_doc_number] => 08773815 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-08 [patent_title] => 'Fluid bearing component including thrust bearing groove recesses and disk drive device including same' [patent_app_type] => utility [patent_app_number] => 13/789600 [patent_app_country] => US [patent_app_date] => 2013-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 13964 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13789600 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/789600
Fluid bearing component including thrust bearing groove recesses and disk drive device including same Mar 6, 2013 Issued
Array ( [id] => 9718345 [patent_doc_number] => 20140254044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'MAGNETIC DEVICES INCLUDING LOW THERMAL CONDUCIVITY PORTION' [patent_app_type] => utility [patent_app_number] => 13/788574 [patent_app_country] => US [patent_app_date] => 2013-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4204 [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] => 13788574 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/788574
Magnetic devices including low thermal conductivity portion Mar 6, 2013 Issued
Array ( [id] => 9196544 [patent_doc_number] => 20130335859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-19 [patent_title] => 'BASE PLATE, BASE UNIT, MOTOR AND DISK DRIVE APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/788140 [patent_app_country] => US [patent_app_date] => 2013-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8726 [patent_no_of_claims] => 26 [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] => 13788140 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/788140
Base plate of motor including flange portion and plastic deforming portion and disk drive apparatus Mar 6, 2013 Issued
Array ( [id] => 9558200 [patent_doc_number] => 20140175913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'SPINDLE MOTOR' [patent_app_type] => utility [patent_app_number] => 13/773779 [patent_app_country] => US [patent_app_date] => 2013-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6567 [patent_no_of_claims] => 10 [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] => 13773779 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/773779
SPINDLE MOTOR Feb 21, 2013 Abandoned
Array ( [id] => 9274590 [patent_doc_number] => 08638530 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-01-28 [patent_title] => 'Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor having a top shield with an antiparallel structure' [patent_app_type] => utility [patent_app_number] => 13/771486 [patent_app_country] => US [patent_app_date] => 2013-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4357 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13771486 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/771486
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor having a top shield with an antiparallel structure Feb 19, 2013 Issued
Array ( [id] => 10832949 [patent_doc_number] => 08861129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-14 [patent_title] => 'Spindle motor having enhanced bearing rigidity and increased storage space for lubricating fluid and hard disk drive including the same' [patent_app_type] => utility [patent_app_number] => 13/765881 [patent_app_country] => US [patent_app_date] => 2013-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5864 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13765881 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/765881
Spindle motor having enhanced bearing rigidity and increased storage space for lubricating fluid and hard disk drive including the same Feb 12, 2013 Issued
Array ( [id] => 9351317 [patent_doc_number] => 08670216 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-03-11 [patent_title] => 'Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with an exchange-coupled reference layer having shape anisotropy' [patent_app_type] => utility [patent_app_number] => 13/764559 [patent_app_country] => US [patent_app_date] => 2013-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 4294 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13764559 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/764559
Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with an exchange-coupled reference layer having shape anisotropy Feb 10, 2013 Issued
Array ( [id] => 9351318 [patent_doc_number] => 08670217 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-03-11 [patent_title] => 'Scissoring-type current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with free layers having shape anisotropy' [patent_app_type] => utility [patent_app_number] => 13/764613 [patent_app_country] => US [patent_app_date] => 2013-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 5012 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13764613 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/764613
Scissoring-type current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with free layers having shape anisotropy Feb 10, 2013 Issued
Array ( [id] => 9475588 [patent_doc_number] => 20140133051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-15 [patent_title] => 'CLAMP RING, SPINDLE MOTOR INCLUDING CLAMP RING AND HARD DISK DRIVE INCLUDING SPINDLE MOTOR' [patent_app_type] => utility [patent_app_number] => 13/761936 [patent_app_country] => US [patent_app_date] => 2013-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7864 [patent_no_of_claims] => 13 [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] => 13761936 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/761936
CLAMP RING, SPINDLE MOTOR INCLUDING CLAMP RING AND HARD DISK DRIVE INCLUDING SPINDLE MOTOR Feb 6, 2013 Abandoned
Array ( [id] => 9614866 [patent_doc_number] => 20140204723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'Thermally-assisted magnetic recording head and method of manufacturing the same' [patent_app_type] => utility [patent_app_number] => 13/746771 [patent_app_country] => US [patent_app_date] => 2013-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9842 [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] => 13746771 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/746771
Thermally-assisted magnetic recording head including a waveguide, a magnetic pole, and a plasmon generator and method of manufacturing the same Jan 21, 2013 Issued
Array ( [id] => 8939259 [patent_doc_number] => 20130189056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-25 [patent_title] => 'MAGNETIC TAPE LIBRARY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/745581 [patent_app_country] => US [patent_app_date] => 2013-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 11038 [patent_no_of_claims] => 7 [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] => 13745581 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/745581
Magnetic tape library device including cartridge exchange number restriction mechanism Jan 17, 2013 Issued
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