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] => 10617352 [patent_doc_number] => 09336798 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-05-10 [patent_title] => 'Magnetic head for perpendicular magnetic recording including a main pole with a lower protrusion' [patent_app_type] => utility [patent_app_number] => 14/567590 [patent_app_country] => US [patent_app_date] => 2014-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 35 [patent_no_of_words] => 25550 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 670 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14567590 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/567590
Magnetic head for perpendicular magnetic recording including a main pole with a lower protrusion Dec 10, 2014 Issued
Array ( [id] => 10144764 [patent_doc_number] => 09177575 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-11-03 [patent_title] => 'Tunneling magnetoresistive (TMR) read head with reduced gap thickness' [patent_app_type] => utility [patent_app_number] => 14/561265 [patent_app_country] => US [patent_app_date] => 2014-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3969 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14561265 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/561265
Tunneling magnetoresistive (TMR) read head with reduced gap thickness Dec 4, 2014 Issued
Array ( [id] => 11918112 [patent_doc_number] => 09786301 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-10 [patent_title] => 'Apparatuses and methods for providing thin shields in a multiple sensor array' [patent_app_type] => utility [patent_app_number] => 14/557941 [patent_app_country] => US [patent_app_date] => 2014-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 6032 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14557941 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/557941
Apparatuses and methods for providing thin shields in a multiple sensor array Dec 1, 2014 Issued
Array ( [id] => 10802482 [patent_doc_number] => 20160148639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-26 [patent_title] => 'SCREWLESS DISC CLAMP' [patent_app_type] => utility [patent_app_number] => 14/550846 [patent_app_country] => US [patent_app_date] => 2014-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4927 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [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] => 14550846 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/550846
SCREWLESS DISC CLAMP Nov 20, 2014 Abandoned
Array ( [id] => 11739924 [patent_doc_number] => 09704511 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-11 [patent_title] => 'Perpendicular magnetic recording head with improved density recording' [patent_app_type] => utility [patent_app_number] => 14/539081 [patent_app_country] => US [patent_app_date] => 2014-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 26 [patent_no_of_words] => 10094 [patent_no_of_claims] => 19 [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] => 14539081 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/539081
Perpendicular magnetic recording head with improved density recording Nov 11, 2014 Issued
Array ( [id] => 10555664 [patent_doc_number] => 09279862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-08 [patent_title] => 'Electrostatic discharge protection for a magnetoresistive sensor' [patent_app_type] => utility [patent_app_number] => 14/529326 [patent_app_country] => US [patent_app_date] => 2014-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 10882 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14529326 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/529326
Electrostatic discharge protection for a magnetoresistive sensor Oct 30, 2014 Issued
Array ( [id] => 10576720 [patent_doc_number] => 09299369 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-03-29 [patent_title] => 'Multichannel data storage apparatus having abrasion resistant barrier' [patent_app_type] => utility [patent_app_number] => 14/527695 [patent_app_country] => US [patent_app_date] => 2014-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 10020 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14527695 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/527695
Multichannel data storage apparatus having abrasion resistant barrier Oct 28, 2014 Issued
Array ( [id] => 11221280 [patent_doc_number] => 09449622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-20 [patent_title] => 'Differing magnetic read sensors on a magnetic head' [patent_app_type] => utility [patent_app_number] => 14/527707 [patent_app_country] => US [patent_app_date] => 2014-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 10027 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14527707 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/527707
Differing magnetic read sensors on a magnetic head Oct 28, 2014 Issued
Array ( [id] => 10059762 [patent_doc_number] => 09099125 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-08-04 [patent_title] => 'Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor structure with stacked sensors for minimization of the effect of head skew' [patent_app_type] => utility [patent_app_number] => 14/513320 [patent_app_country] => US [patent_app_date] => 2014-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5460 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14513320 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/513320
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor structure with stacked sensors for minimization of the effect of head skew Oct 13, 2014 Issued
Array ( [id] => 10059761 [patent_doc_number] => 09099124 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-08-04 [patent_title] => 'Tunneling magnetoresistive (TMR) device with MgO tunneling barrier layer and nitrogen-containing layer for minimization of boron diffusion' [patent_app_type] => utility [patent_app_number] => 14/499218 [patent_app_country] => US [patent_app_date] => 2014-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3678 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14499218 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/499218
Tunneling magnetoresistive (TMR) device with MgO tunneling barrier layer and nitrogen-containing layer for minimization of boron diffusion Sep 27, 2014 Issued
Array ( [id] => 10131738 [patent_doc_number] => 09165579 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-10-20 [patent_title] => 'Air bearing area configuration for reducing flying height hump across a stroke' [patent_app_type] => utility [patent_app_number] => 14/499011 [patent_app_country] => US [patent_app_date] => 2014-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4343 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14499011 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/499011
Air bearing area configuration for reducing flying height hump across a stroke Sep 25, 2014 Issued
Array ( [id] => 10086025 [patent_doc_number] => 09123376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-01 [patent_title] => 'Line-shaped material conveyance mechanism, line-shaped material conveyance method, and tape conveyance mechanism' [patent_app_type] => utility [patent_app_number] => 14/496466 [patent_app_country] => US [patent_app_date] => 2014-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5009 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14496466 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/496466
Line-shaped material conveyance mechanism, line-shaped material conveyance method, and tape conveyance mechanism Sep 24, 2014 Issued
Array ( [id] => 10106444 [patent_doc_number] => 09142227 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-09-22 [patent_title] => 'Microwave assisted magnetic recording (MAMR) write head and system' [patent_app_type] => utility [patent_app_number] => 14/480394 [patent_app_country] => US [patent_app_date] => 2014-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3274 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14480394 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/480394
Microwave assisted magnetic recording (MAMR) write head and system Sep 7, 2014 Issued
Array ( [id] => 10502174 [patent_doc_number] => 09230576 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-01-05 [patent_title] => 'Scissor reader with side shield decoupled from bias material' [patent_app_type] => utility [patent_app_number] => 14/479767 [patent_app_country] => US [patent_app_date] => 2014-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 5700 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14479767 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/479767
Scissor reader with side shield decoupled from bias material Sep 7, 2014 Issued
Array ( [id] => 10556787 [patent_doc_number] => 09280988 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-03-08 [patent_title] => 'Tape head surface with non-uniform cross-width edge profiles' [patent_app_type] => utility [patent_app_number] => 14/477526 [patent_app_country] => US [patent_app_date] => 2014-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 6859 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14477526 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/477526
Tape head surface with non-uniform cross-width edge profiles Sep 3, 2014 Issued
Array ( [id] => 10079618 [patent_doc_number] => 09117467 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-08-25 [patent_title] => 'Disk drive head suspension including a grounded conductive substrate' [patent_app_type] => utility [patent_app_number] => 14/475962 [patent_app_country] => US [patent_app_date] => 2014-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 4506 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14475962 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/475962
Disk drive head suspension including a grounded conductive substrate Sep 2, 2014 Issued
Array ( [id] => 11753153 [patent_doc_number] => 09711169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-18 [patent_title] => 'Sensor array for reading data from a storage medium, storage device and method of reading data from a storage medium' [patent_app_type] => utility [patent_app_number] => 14/913129 [patent_app_country] => US [patent_app_date] => 2014-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 12122 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14913129 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/913129
Sensor array for reading data from a storage medium, storage device and method of reading data from a storage medium Aug 25, 2014 Issued
Array ( [id] => 10143397 [patent_doc_number] => 09176204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-03 [patent_title] => 'TMR magnetic sensor including a conductive material and a passivation film and manufacturing method therefor' [patent_app_type] => utility [patent_app_number] => 14/458862 [patent_app_country] => US [patent_app_date] => 2014-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 20 [patent_no_of_words] => 7941 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14458862 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/458862
TMR magnetic sensor including a conductive material and a passivation film and manufacturing method therefor Aug 12, 2014 Issued
Array ( [id] => 10455579 [patent_doc_number] => 20150340594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-26 [patent_title] => 'Anisotropic Magnetoresistive Device and Method for Fabricating the Same' [patent_app_type] => utility [patent_app_number] => 14/454779 [patent_app_country] => US [patent_app_date] => 2014-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9500 [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] => 14454779 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/454779
Anisotropic Magnetoresistive Device and Method for Fabricating the Same Aug 7, 2014 Abandoned
Array ( [id] => 11796485 [patent_doc_number] => 09406328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-02 [patent_title] => 'Soft magnetic underlayer having high temperature robustness for high areal density perpendicular recording media' [patent_app_type] => utility [patent_app_number] => 14/446193 [patent_app_country] => US [patent_app_date] => 2014-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 9772 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14446193 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/446193
Soft magnetic underlayer having high temperature robustness for high areal density perpendicular recording media Jul 28, 2014 Issued
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