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] => 10846015 [patent_doc_number] => 08873203 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-28 [patent_title] => 'Magnetic head having a soft magnetic layer formed behind a tunneling magnetoresistance (TMR) sensor in an element height direction' [patent_app_type] => utility [patent_app_number] => 13/724529 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 26 [patent_no_of_words] => 7012 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13724529 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/724529
Magnetic head having a soft magnetic layer formed behind a tunneling magnetoresistance (TMR) sensor in an element height direction Dec 20, 2012 Issued
Array ( [id] => 9251075 [patent_doc_number] => 08614862 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-12-24 [patent_title] => 'Perpendicular magnetic recording media having a cap layer above a granular layer' [patent_app_type] => utility [patent_app_number] => 13/725219 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 9586 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13725219 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/725219
Perpendicular magnetic recording media having a cap layer above a granular layer Dec 20, 2012 Issued
Array ( [id] => 9429124 [patent_doc_number] => 08705206 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-04-22 [patent_title] => 'Microwave assisted magnetic recording (MAMR) head having an offset spin torque oscillator (STO) and narrow trailing gap' [patent_app_type] => utility [patent_app_number] => 13/725354 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 29 [patent_no_of_words] => 7738 [patent_no_of_claims] => 20 [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] => 13725354 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/725354
Microwave assisted magnetic recording (MAMR) head having an offset spin torque oscillator (STO) and narrow trailing gap Dec 20, 2012 Issued
Array ( [id] => 9382266 [patent_doc_number] => 20140085747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'BASE PLATE FOR HARD DISK DRIVE, METHOD FOR MANUFACTURING THE SAME, AND HARD DISK DRIVE INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/721483 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6594 [patent_no_of_claims] => 12 [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] => 13721483 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/721483
Hard disk drive and method for manufacturing a base plate which includes a component receiving part Dec 19, 2012 Issued
Array ( [id] => 9833130 [patent_doc_number] => 08941954 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-27 [patent_title] => 'Magnetic sensor with extended pinned layer and partial wrap around shield' [patent_app_type] => utility [patent_app_number] => 13/720942 [patent_app_country] => US [patent_app_date] => 2012-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 5411 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13720942 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/720942
Magnetic sensor with extended pinned layer and partial wrap around shield Dec 18, 2012 Issued
Array ( [id] => 9544172 [patent_doc_number] => 20140168819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-19 [patent_title] => 'HARD DISK HAVING A SQUEEZE AIR BEARING FOR ROTATING A DISK' [patent_app_type] => utility [patent_app_number] => 13/720778 [patent_app_country] => US [patent_app_date] => 2012-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4289 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 8 [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] => 13720778 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/720778
Hard disk having a squeeze air bearing for rotating a disk Dec 18, 2012 Issued
Array ( [id] => 9544166 [patent_doc_number] => 20140168813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-19 [patent_title] => 'MASS BALANCED FLEXURE GIMBAL FOR HEAD GIMBAL ASSEMBLY SWAY MODE CONTROL' [patent_app_type] => utility [patent_app_number] => 13/720903 [patent_app_country] => US [patent_app_date] => 2012-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6295 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 7 [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] => 13720903 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/720903
Mass balanced flexure gimbal for head gimbal assembly sway mode control Dec 18, 2012 Issued
Array ( [id] => 9544176 [patent_doc_number] => 20140168823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-19 [patent_title] => 'MAGNETIC WRITE HEAD HAVING A RESIDUAL SHIELD SEED LAYER FOR REDUCING OVERWRITING' [patent_app_type] => utility [patent_app_number] => 13/720971 [patent_app_country] => US [patent_app_date] => 2012-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 3778 [patent_no_of_claims] => 22 [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] => 13720971 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/720971
Magnetic write head having a residual shield seed layer for reducing overwriting Dec 18, 2012 Issued
Array ( [id] => 9456698 [patent_doc_number] => 08717715 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-05-06 [patent_title] => 'Spin accumulation magnetic read sensor' [patent_app_type] => utility [patent_app_number] => 13/714226 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4464 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 13714226 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/714226
Spin accumulation magnetic read sensor Dec 12, 2012 Issued
Array ( [id] => 9203747 [patent_doc_number] => 20140002925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-02 [patent_title] => 'MAGNETIC RECORDING HEAD INCLUDING A HIGH-FREQUENCY OSCILLATOR AND DISK DRIVE WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 13/712027 [patent_app_country] => US [patent_app_date] => 2012-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6192 [patent_no_of_claims] => 12 [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] => 13712027 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/712027
Magnetic recording head including a high-frequency oscillator and disk drive with the same Dec 11, 2012 Issued
Array ( [id] => 10899724 [patent_doc_number] => 08922951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-30 [patent_title] => 'Data storage device with variable anisotropy side shield' [patent_app_type] => utility [patent_app_number] => 13/710945 [patent_app_country] => US [patent_app_date] => 2012-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2830 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13710945 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/710945
Data storage device with variable anisotropy side shield Dec 10, 2012 Issued
Array ( [id] => 10529480 [patent_doc_number] => 09255609 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-09 [patent_title] => 'Tolerance ring, hard disk device, and method for manufacturing hard disk device' [patent_app_type] => utility [patent_app_number] => 14/362742 [patent_app_country] => US [patent_app_date] => 2012-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 6877 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [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] => 14362742 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/362742
Tolerance ring, hard disk device, and method for manufacturing hard disk device Dec 9, 2012 Issued
Array ( [id] => 9516642 [patent_doc_number] => 20140153134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-05 [patent_title] => 'WRITER WITH PROTRUDED SECTION AT TRAILING EDGE' [patent_app_type] => utility [patent_app_number] => 13/705984 [patent_app_country] => US [patent_app_date] => 2012-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6831 [patent_no_of_claims] => 24 [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] => 13705984 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/705984
Writer with protruded section at trailing edge Dec 4, 2012 Issued
Array ( [id] => 9447693 [patent_doc_number] => 20140118862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-01 [patent_title] => 'Magnetic Element with Current Constriction Feature' [patent_app_type] => utility [patent_app_number] => 13/665505 [patent_app_country] => US [patent_app_date] => 2012-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3498 [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] => 13665505 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/665505
Magnetic element with current constriction feature Oct 30, 2012 Issued
Array ( [id] => 9128563 [patent_doc_number] => 08576518 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-11-05 [patent_title] => 'Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with exchange-coupled side shield structure' [patent_app_type] => utility [patent_app_number] => 13/664277 [patent_app_country] => US [patent_app_date] => 2012-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 5081 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13664277 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/664277
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with exchange-coupled side shield structure Oct 29, 2012 Issued
Array ( [id] => 9447691 [patent_doc_number] => 20140118860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-01 [patent_title] => 'BIDIRECTIONAL READ/WRITE HEADS HAVING BACKWARD READING COMPATIBILITY' [patent_app_type] => utility [patent_app_number] => 13/660738 [patent_app_country] => US [patent_app_date] => 2012-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3695 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 13660738 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/660738
Bidirectional read/write heads having backward reading compatibility Oct 24, 2012 Issued
Array ( [id] => 9172833 [patent_doc_number] => 20130314818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-28 [patent_title] => 'RECORDING HEAD AND DISK DEVICE INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/659735 [patent_app_country] => US [patent_app_date] => 2012-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 9812 [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] => 13659735 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/659735
RECORDING HEAD AND DISK DEVICE INCLUDING THE SAME Oct 23, 2012 Abandoned
Array ( [id] => 9210676 [patent_doc_number] => 20140009853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING/REPRODUCTION APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/657093 [patent_app_country] => US [patent_app_date] => 2012-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5562 [patent_no_of_claims] => 15 [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] => 13657093 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/657093
Magnetic head with beveled main pole and spin torque oscillator, method of manufacturing the same, and magnetic recording/reproduction apparatus Oct 21, 2012 Issued
Array ( [id] => 8790426 [patent_doc_number] => 20130107395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-02 [patent_title] => 'MAGNETIC HEAD, MAGNETIC SENSOR, AND MAGNETIC RECORDING/REPRODUCING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/655940 [patent_app_country] => US [patent_app_date] => 2012-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8829 [patent_no_of_claims] => 17 [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] => 13655940 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/655940
Magnetic head with a spin torque oscillator, magnetic sensor, and magnetic recording/reproducing apparatus Oct 18, 2012 Issued
Array ( [id] => 9678504 [patent_doc_number] => 08817423 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-26 [patent_title] => 'Circuit integrated suspension and method of manufacture thereof' [patent_app_type] => utility [patent_app_number] => 13/648109 [patent_app_country] => US [patent_app_date] => 2012-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 4594 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13648109 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/648109
Circuit integrated suspension and method of manufacture thereof Oct 8, 2012 Issued
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