
Changhyun Yi
Examiner (ID: 13867, Phone: (571)270-7799 , Office: P/2826 )
| Most Active Art Unit | 2826 |
| Art Unit(s) | 2812, 2826 |
| Total Applications | 1276 |
| Issued Applications | 1125 |
| Pending Applications | 122 |
| Abandoned Applications | 68 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 761611
[patent_doc_number] => 07016130
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-03-21
[patent_title] => 'Method for recording and reproducing audio and video data in disk drive, and a readable medium therefor'
[patent_app_type] => utility
[patent_app_number] => 10/405037
[patent_app_country] => US
[patent_app_date] => 2003-04-02
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/016/07016130.pdf
[firstpage_image] =>[orig_patent_app_number] => 10405037
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/405037 | Method for recording and reproducing audio and video data in disk drive, and a readable medium therefor | Apr 1, 2003 | Issued |
Array
(
[id] => 7450331
[patent_doc_number] => 20040196584
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-10-07
[patent_title] => 'System and method for reducing circumferential transition incoherence in servowriting operations and magnetic disk drive incorporating the same'
[patent_app_type] => new
[patent_app_number] => 10/404828
[patent_app_country] => US
[patent_app_date] => 2003-04-01
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[pdf_file] => publications/A1/0196/20040196584.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/404828 | System and method for reducing circumferential transition incoherence in servowriting operations and magnetic disk drive incorporating the same | Mar 31, 2003 | Issued |
Array
(
[id] => 6850231
[patent_doc_number] => 20030142433
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-07-31
[patent_title] => 'Magnetic recording apparatus'
[patent_app_type] => new
[patent_app_number] => 10/395250
[patent_app_country] => US
[patent_app_date] => 2003-03-25
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0142/20030142433.pdf
[firstpage_image] =>[orig_patent_app_number] => 10395250
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/395250 | Magnetic recording apparatus | Mar 24, 2003 | Issued |
Array
(
[id] => 7379419
[patent_doc_number] => 20040179291
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-09-16
[patent_title] => 'Constrained implementation of variable data TPI'
[patent_app_type] => new
[patent_app_number] => 10/387781
[patent_app_country] => US
[patent_app_date] => 2003-03-13
[patent_effective_date] => 0000-00-00
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[firstpage_image] =>[orig_patent_app_number] => 10387781
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Array
(
[id] => 7379424
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[patent_issue_date] => 2004-09-16
[patent_title] => 'Method for constrained implementation of variable data TPI'
[patent_app_type] => new
[patent_app_number] => 10/387789
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/387789 | Method for constrained implementation of variable data TPI | Mar 12, 2003 | Issued |
Array
(
[id] => 6700407
[patent_doc_number] => 20030223287
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-12-04
[patent_title] => 'Virtual Vbias circuit'
[patent_app_type] => new
[patent_app_number] => 10/355916
[patent_app_country] => US
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[firstpage_image] =>[orig_patent_app_number] => 10355916
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/355916 | Virtual Vbias circuit | Jan 30, 2003 | Abandoned |
Array
(
[id] => 7263291
[patent_doc_number] => 20040150903
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[patent_kind] => A1
[patent_issue_date] => 2004-08-05
[patent_title] => 'Adaptive track count determination for a self-servowritten disk drive'
[patent_app_type] => new
[patent_app_number] => 10/355474
[patent_app_country] => US
[patent_app_date] => 2003-01-31
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[pdf_file] => publications/A1/0150/20040150903.pdf
[firstpage_image] =>[orig_patent_app_number] => 10355474
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/355474 | Adaptive track count determination for a self-servowritten disk drive | Jan 30, 2003 | Issued |
Array
(
[id] => 6850225
[patent_doc_number] => 20030142427
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-07-31
[patent_title] => 'Master information magnetic recording apparatus and method for manufacturing magnetic recording medium in which information is recorded by using this'
[patent_app_type] => new
[patent_app_number] => 10/355860
[patent_app_country] => US
[patent_app_date] => 2003-01-30
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[pdf_file] => publications/A1/0142/20030142427.pdf
[firstpage_image] =>[orig_patent_app_number] => 10355860
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/355860 | Master information magnetic recording apparatus and method for manufacturing magnetic recording medium in which information is recorded by using this | Jan 29, 2003 | Issued |
Array
(
[id] => 7385291
[patent_doc_number] => 20040036994
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-02-26
[patent_title] => 'Slider tester'
[patent_app_type] => new
[patent_app_number] => 10/348680
[patent_app_country] => US
[patent_app_date] => 2003-01-21
[patent_effective_date] => 0000-00-00
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[firstpage_image] =>[orig_patent_app_number] => 10348680
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/348680 | Slider tester | Jan 20, 2003 | Issued |
Array
(
[id] => 1026413
[patent_doc_number] => 06885513
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2005-04-26
[patent_title] => 'Magnetic printing system for thin recording media'
[patent_app_type] => utility
[patent_app_number] => 10/328432
[patent_app_country] => US
[patent_app_date] => 2002-12-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[pdf_file] => patents/06/885/06885513.pdf
[firstpage_image] =>[orig_patent_app_number] => 10328432
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/328432 | Magnetic printing system for thin recording media | Dec 23, 2002 | Issued |
Array
(
[id] => 7162576
[patent_doc_number] => 20040075927
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[patent_kind] => A1
[patent_issue_date] => 2004-04-22
[patent_title] => 'Flux closed single pole perpendicular head for ultra narrow track'
[patent_app_type] => new
[patent_app_number] => 10/273603
[patent_app_country] => US
[patent_app_date] => 2002-10-17
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[pdf_file] => publications/A1/0075/20040075927.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/273603 | Flux closed single pole perpendicular head for ultra narrow track | Oct 16, 2002 | Issued |
Array
(
[id] => 494087
[patent_doc_number] => 07215494
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[patent_issue_date] => 2007-05-08
[patent_title] => 'System and method for performing adaptive read retry operations in a data storage device'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/263322 | System and method for performing adaptive read retry operations in a data storage device | Sep 30, 2002 | Issued |
Array
(
[id] => 758430
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[patent_title] => 'Digital filtering and digital automatic gain control for a variable speed read channel'
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Array
(
[id] => 1007031
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[patent_title] => 'Method and system for implementing in situ low flyheight warning'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/219893 | Method and system for implementing in situ low flyheight warning | Aug 14, 2002 | Issued |
Array
(
[id] => 1194705
[patent_doc_number] => 06731441
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[patent_title] => 'Information recording and reproducing apparatus'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/214599 | Information recording and reproducing apparatus | Aug 8, 2002 | Issued |
Array
(
[id] => 1155216
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[patent_title] => 'Signal transmission apparatus and signal recording apparatus in which a rotary transformer is used'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/209499 | Signal transmission apparatus and signal recording apparatus in which a rotary transformer is used | Jul 30, 2002 | Issued |
Array
(
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[patent_title] => 'Method and apparatus for creating a format identification block on a magnetic tape'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/206317 | Method and apparatus for creating a format identification block on a magnetic tape | Jul 25, 2002 | Issued |
Array
(
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Array
(
[id] => 6672960
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/183102 | SDRAM interface control system and method | Jun 25, 2002 | Abandoned |
Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/179561 | Circuit and method to match common mode flex impedance and to achieve symmetrical switching voltage outputs of write driver | Jun 24, 2002 | Issued |