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] => 10118370 [patent_doc_number] => 09153258 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-06 [patent_title] => 'Scissor magnetic read sensor with novel multi-layer bias structure for uniform free layer biasing' [patent_app_type] => utility [patent_app_number] => 14/095932 [patent_app_country] => US [patent_app_date] => 2013-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 4936 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14095932 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/095932
Scissor magnetic read sensor with novel multi-layer bias structure for uniform free layer biasing Dec 2, 2013 Issued
Array ( [id] => 10269993 [patent_doc_number] => 20150154990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-04 [patent_title] => 'SCISSOR SENSOR WITH BACK EDGE BIAS STRUCTURE AND NOVEL DIELECTRIC LAYER' [patent_app_type] => utility [patent_app_number] => 14/094690 [patent_app_country] => US [patent_app_date] => 2013-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 5474 [patent_no_of_claims] => 21 [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] => 14094690 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/094690
Scissor sensor with back edge bias structure and novel dielectric layer Dec 1, 2013 Issued
Array ( [id] => 10022016 [patent_doc_number] => 09064507 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-06-23 [patent_title] => 'Magnetic etch-stop layer for magnetoresistive read heads' [patent_app_type] => utility [patent_app_number] => 14/088320 [patent_app_country] => US [patent_app_date] => 2013-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3503 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14088320 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/088320
Magnetic etch-stop layer for magnetoresistive read heads Nov 21, 2013 Issued
Array ( [id] => 9851544 [patent_doc_number] => 08953284 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-02-10 [patent_title] => 'Multi-read sensor having a narrow read gap structure' [patent_app_type] => utility [patent_app_number] => 14/085734 [patent_app_country] => US [patent_app_date] => 2013-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 59 [patent_no_of_words] => 11552 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 14085734 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/085734
Multi-read sensor having a narrow read gap structure Nov 19, 2013 Issued
Array ( [id] => 10131730 [patent_doc_number] => 09165571 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-20 [patent_title] => 'Magnetic stack coupling buffer layer' [patent_app_type] => utility [patent_app_number] => 14/076696 [patent_app_country] => US [patent_app_date] => 2013-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3705 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14076696 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/076696
Magnetic stack coupling buffer layer Nov 10, 2013 Issued
Array ( [id] => 10883948 [patent_doc_number] => 08908334 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-12-09 [patent_title] => 'Electrostatic discharge protection for a magnetoresistive sensor' [patent_app_type] => utility [patent_app_number] => 14/073951 [patent_app_country] => US [patent_app_date] => 2013-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 11042 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14073951 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/073951
Electrostatic discharge protection for a magnetoresistive sensor Nov 6, 2013 Issued
Array ( [id] => 10003794 [patent_doc_number] => 09047892 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-02 [patent_title] => 'Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor having an antiparallel free (APF) structure with improved magnetic stability' [patent_app_type] => utility [patent_app_number] => 14/062800 [patent_app_country] => US [patent_app_date] => 2013-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5626 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14062800 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/062800
Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor having an antiparallel free (APF) structure with improved magnetic stability Oct 23, 2013 Issued
Array ( [id] => 11549747 [patent_doc_number] => 09618589 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-11 [patent_title] => 'First and second magneto-resistive sensors formed by first and second sections of a layer stack' [patent_app_type] => utility [patent_app_number] => 14/057214 [patent_app_country] => US [patent_app_date] => 2013-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 22 [patent_no_of_words] => 14577 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14057214 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/057214
First and second magneto-resistive sensors formed by first and second sections of a layer stack Oct 17, 2013 Issued
Array ( [id] => 10343295 [patent_doc_number] => 20150228301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-13 [patent_title] => 'AXIAL FIELD MOTOR AND METHOD OF ASSEMBLING' [patent_app_type] => utility [patent_app_number] => 14/434691 [patent_app_country] => US [patent_app_date] => 2013-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4632 [patent_no_of_claims] => 30 [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] => 14434691 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/434691
Hard disk drive spindle motor including a base and a base insert formed from different materials Oct 13, 2013 Issued
Array ( [id] => 9915594 [patent_doc_number] => 20150070799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-12 [patent_title] => 'Depolarizing Layer in a Magnetic Stack' [patent_app_type] => utility [patent_app_number] => 14/020408 [patent_app_country] => US [patent_app_date] => 2013-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4243 [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] => 14020408 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/020408
Depolarizing layer in a magnetic stack Sep 5, 2013 Issued
Array ( [id] => 9945777 [patent_doc_number] => 08995092 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-31 [patent_title] => 'Head suspension having cutting surface that is not deburred in actuator attaching area of base plate, method of manufacturing base plate of the head suspension, and method of manufacturing the head suspension' [patent_app_type] => utility [patent_app_number] => 13/972516 [patent_app_country] => US [patent_app_date] => 2013-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 28 [patent_no_of_words] => 9449 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13972516 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/972516
Head suspension having cutting surface that is not deburred in actuator attaching area of base plate, method of manufacturing base plate of the head suspension, and method of manufacturing the head suspension Aug 20, 2013 Issued
Array ( [id] => 10889345 [patent_doc_number] => 08913345 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-12-16 [patent_title] => 'System and method for reading data from a magnetic medium by utilizing plural read sensors which define an effective read width' [patent_app_type] => utility [patent_app_number] => 13/969767 [patent_app_country] => US [patent_app_date] => 2013-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5426 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [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] => 13969767 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/969767
System and method for reading data from a magnetic medium by utilizing plural read sensors which define an effective read width Aug 18, 2013 Issued
Array ( [id] => 10189400 [patent_doc_number] => 09218826 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-12-22 [patent_title] => 'Tuned horizontally symmetric magnetic stack' [patent_app_type] => utility [patent_app_number] => 13/968539 [patent_app_country] => US [patent_app_date] => 2013-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3834 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13968539 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/968539
Tuned horizontally symmetric magnetic stack Aug 15, 2013 Issued
Array ( [id] => 9959508 [patent_doc_number] => 09007722 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-14 [patent_title] => 'High frequency magnetic field assisted magnetic recording head' [patent_app_type] => utility [patent_app_number] => 13/968720 [patent_app_country] => US [patent_app_date] => 2013-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 5652 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13968720 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/968720
High frequency magnetic field assisted magnetic recording head Aug 15, 2013 Issued
Array ( [id] => 9877048 [patent_doc_number] => 08964328 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-02-24 [patent_title] => 'Shock sensor on an external surface of a disk drive base adjacent a disk drive printed circuit board' [patent_app_type] => utility [patent_app_number] => 13/968344 [patent_app_country] => US [patent_app_date] => 2013-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3358 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13968344 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/968344
Shock sensor on an external surface of a disk drive base adjacent a disk drive printed circuit board Aug 14, 2013 Issued
Array ( [id] => 10865489 [patent_doc_number] => 08891207 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-11-18 [patent_title] => 'Connection schemes for a multiple sensor array usable in two-dimensional magnetic recording' [patent_app_type] => utility [patent_app_number] => 13/963172 [patent_app_country] => US [patent_app_date] => 2013-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 7591 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13963172 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/963172
Connection schemes for a multiple sensor array usable in two-dimensional magnetic recording Aug 8, 2013 Issued
Array ( [id] => 9179969 [patent_doc_number] => 20130321954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-05 [patent_title] => 'MAGNETIC STRUCTURE FREE LAYER STABILIZATION' [patent_app_type] => utility [patent_app_number] => 13/961116 [patent_app_country] => US [patent_app_date] => 2013-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4536 [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] => 13961116 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/961116
MAGNETIC STRUCTURE FREE LAYER STABILIZATION Aug 6, 2013 Abandoned
Array ( [id] => 10983927 [patent_doc_number] => 20160180871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'COATING MAGNETIC TAPE HEADS' [patent_app_type] => utility [patent_app_number] => 14/908772 [patent_app_country] => US [patent_app_date] => 2013-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3030 [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] => 14908772 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/908772
COATING MAGNETIC TAPE HEADS Jul 30, 2013 Abandoned
Array ( [id] => 9628002 [patent_doc_number] => 08797691 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-08-05 [patent_title] => 'Disk drive head suspension with a single piezoelectric element adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexure' [patent_app_type] => utility [patent_app_number] => 13/931588 [patent_app_country] => US [patent_app_date] => 2013-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4669 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13931588 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/931588
Disk drive head suspension with a single piezoelectric element adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexure Jun 27, 2013 Issued
Array ( [id] => 10952130 [patent_doc_number] => 20140355152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-04 [patent_title] => 'INTERLAYER COUPLED FREE LAYER WITH OUT OF PLANE MAGNETIC ORIENTATION FOR MAGNETIC READ HEAD' [patent_app_type] => utility [patent_app_number] => 13/904993 [patent_app_country] => US [patent_app_date] => 2013-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6220 [patent_no_of_claims] => 22 [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] => 13904993 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/904993
INTERLAYER COUPLED FREE LAYER WITH OUT OF PLANE MAGNETIC ORIENTATION FOR MAGNETIC READ HEAD May 28, 2013 Abandoned
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