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] => 11910947 [patent_doc_number] => 09779765 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-03 [patent_title] => 'Perpendicular magnetic recording writer having improved performance and wide area track erasure reliability' [patent_app_type] => utility [patent_app_number] => 15/245850 [patent_app_country] => US [patent_app_date] => 2016-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4600 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [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] => 15245850 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/245850
Perpendicular magnetic recording writer having improved performance and wide area track erasure reliability Aug 23, 2016 Issued
Array ( [id] => 11811316 [patent_doc_number] => 09715889 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-07-25 [patent_title] => 'Read sensor having an insulating layer capable of use in two-dimensional magnetic recording' [patent_app_type] => utility [patent_app_number] => 15/240311 [patent_app_country] => US [patent_app_date] => 2016-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5097 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15240311 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/240311
Read sensor having an insulating layer capable of use in two-dimensional magnetic recording Aug 17, 2016 Issued
Array ( [id] => 11897895 [patent_doc_number] => 09767833 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-09-19 [patent_title] => 'Wire bonding electrical lapping guides for tape head module' [patent_app_type] => utility [patent_app_number] => 15/237345 [patent_app_country] => US [patent_app_date] => 2016-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3764 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 15237345 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/237345
Wire bonding electrical lapping guides for tape head module Aug 14, 2016 Issued
Array ( [id] => 11869271 [patent_doc_number] => 20170236556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-17 [patent_title] => 'DISK DRIVE HAVING A FILTER AND A FILTER FOR A DISK DRIVE' [patent_app_type] => utility [patent_app_number] => 15/233762 [patent_app_country] => US [patent_app_date] => 2016-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5180 [patent_no_of_claims] => 18 [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] => 15233762 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/233762
DISK DRIVE HAVING A FILTER AND A FILTER FOR A DISK DRIVE Aug 9, 2016 Abandoned
Array ( [id] => 13098517 [patent_doc_number] => 10068601 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-09-04 [patent_title] => Free layer only magnetic reader that may have a reduced shield-to-shield spacing and a multilayer side bias [patent_app_type] => utility [patent_app_number] => 15/232669 [patent_app_country] => US [patent_app_date] => 2016-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 7896 [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] => 15232669 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/232669
Free layer only magnetic reader that may have a reduced shield-to-shield spacing and a multilayer side bias Aug 8, 2016 Issued
Array ( [id] => 14324597 [patent_doc_number] => 10293293 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-21 [patent_title] => Recirculation filter for an electronics enclosure [patent_app_type] => utility [patent_app_number] => 15/229758 [patent_app_country] => US [patent_app_date] => 2016-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4824 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15229758 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/229758
Recirculation filter for an electronics enclosure Aug 4, 2016 Issued
Array ( [id] => 11811319 [patent_doc_number] => 09715892 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-07-25 [patent_title] => 'Data reader shield seed buffer' [patent_app_type] => utility [patent_app_number] => 15/220797 [patent_app_country] => US [patent_app_date] => 2016-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2896 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15220797 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/220797
Data reader shield seed buffer Jul 26, 2016 Issued
Array ( [id] => 12214626 [patent_doc_number] => 09911440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-06 [patent_title] => 'Differing magnetic read sensors on a magnetic head' [patent_app_type] => utility [patent_app_number] => 15/215487 [patent_app_country] => US [patent_app_date] => 2016-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 9992 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15215487 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/215487
Differing magnetic read sensors on a magnetic head Jul 19, 2016 Issued
Array ( [id] => 13681875 [patent_doc_number] => 20160379674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => ELECTRICALLY NON-CONDUCTIVE MAGNETIC SHIELD LAMINATE STRUCTURE FOR CONTACT RECORDING SENSOR [patent_app_type] => utility [patent_app_number] => 15/175903 [patent_app_country] => US [patent_app_date] => 2016-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8870 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15175903 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/175903
Electrically non-conductive magnetic shield laminate structure for contact recording sensor Jun 6, 2016 Issued
Array ( [id] => 13681877 [patent_doc_number] => 20160379675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => ELECTRICALLY CONDUCTIVE MAGNETIC SHIELD LAMINATE STRUCTURE FOR CONTACT RECORDING SENSOR [patent_app_type] => utility [patent_app_number] => 15/175980 [patent_app_country] => US [patent_app_date] => 2016-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8370 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15175980 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/175980
Electrically conductive magnetic shield laminate structure for contact recording sensor Jun 6, 2016 Issued
Array ( [id] => 12114796 [patent_doc_number] => 09870790 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-01-16 [patent_title] => 'Recessed AFM stitch interface engineering' [patent_app_type] => utility [patent_app_number] => 15/157579 [patent_app_country] => US [patent_app_date] => 2016-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 24 [patent_no_of_words] => 7094 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15157579 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/157579
Recessed AFM stitch interface engineering May 17, 2016 Issued
Array ( [id] => 11918115 [patent_doc_number] => 09786305 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-10 [patent_title] => 'Magnetic read apparatus having multiple read sensors with reduced sensor spacing usable in two-dimensional magnetic recording applications' [patent_app_type] => utility [patent_app_number] => 15/152889 [patent_app_country] => US [patent_app_date] => 2016-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 8286 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15152889 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/152889
Magnetic read apparatus having multiple read sensors with reduced sensor spacing usable in two-dimensional magnetic recording applications May 11, 2016 Issued
Array ( [id] => 12293334 [patent_doc_number] => 09934797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-03 [patent_title] => Multilayer element including base multilayer body, magnetic sensor and microwave assisted magnetic head [patent_app_type] => utility [patent_app_number] => 15/138347 [patent_app_country] => US [patent_app_date] => 2016-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 10934 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15138347 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/138347
Multilayer element including base multilayer body, magnetic sensor and microwave assisted magnetic head Apr 25, 2016 Issued
Array ( [id] => 11861686 [patent_doc_number] => 09741373 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-08-22 [patent_title] => 'Microwave assisted magnetic head, head gimbal assembly, and magnetic recording device' [patent_app_type] => utility [patent_app_number] => 15/138405 [patent_app_country] => US [patent_app_date] => 2016-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 9138 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15138405 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/138405
Microwave assisted magnetic head, head gimbal assembly, and magnetic recording device Apr 25, 2016 Issued
Array ( [id] => 11119581 [patent_doc_number] => 20160316555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'WIRING THIN PLATE HAVING AERIAL WIRING PORTION AND METHOD OF MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 15/138040 [patent_app_country] => US [patent_app_date] => 2016-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10147 [patent_no_of_claims] => 16 [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] => 15138040 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/138040
Wiring thin plate having aerial wiring portion and method of manufacturing the same Apr 24, 2016 Issued
Array ( [id] => 11997219 [patent_doc_number] => 20170301374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'POSITIVE LATCHING OF TAPE CARTRIDGES IN TAPE LIBRARY MAGAZINES' [patent_app_type] => utility [patent_app_number] => 15/099726 [patent_app_country] => US [patent_app_date] => 2016-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4289 [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] => 15099726 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/099726
POSITIVE LATCHING OF TAPE CARTRIDGES IN TAPE LIBRARY MAGAZINES Apr 14, 2016 Abandoned
Array ( [id] => 11452953 [patent_doc_number] => 09576602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-21 [patent_title] => 'Flexure with conductors for multi-reader' [patent_app_type] => utility [patent_app_number] => 15/099310 [patent_app_country] => US [patent_app_date] => 2016-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 7539 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15099310 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/099310
Flexure with conductors for multi-reader Apr 13, 2016 Issued
Array ( [id] => 11990043 [patent_doc_number] => 20170294198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-12 [patent_title] => 'STABILIZING LAYERED STRUCTURE FOR MAGNETIC TAPE HEADS' [patent_app_type] => utility [patent_app_number] => 15/097174 [patent_app_country] => US [patent_app_date] => 2016-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7762 [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] => 15097174 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/097174
Stabilizing layered structure for magnetic tape heads Apr 11, 2016 Issued
Array ( [id] => 11817635 [patent_doc_number] => 09721591 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-08-01 [patent_title] => 'Magnetic recording write apparatus having a pole having an aspect ratio greater than one and an auxiliary pole' [patent_app_type] => utility [patent_app_number] => 15/097182 [patent_app_country] => US [patent_app_date] => 2016-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 30 [patent_no_of_words] => 5687 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15097182 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/097182
Magnetic recording write apparatus having a pole having an aspect ratio greater than one and an auxiliary pole Apr 11, 2016 Issued
Array ( [id] => 11551299 [patent_doc_number] => 09620153 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-04-11 [patent_title] => 'Magnetic head for perpendicular magnetic recording including a coil for individually driving a main pole and a yoke' [patent_app_type] => utility [patent_app_number] => 15/095750 [patent_app_country] => US [patent_app_date] => 2016-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 17400 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15095750 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/095750
Magnetic head for perpendicular magnetic recording including a coil for individually driving a main pole and a yoke Apr 10, 2016 Issued
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