
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] => 6643088
[patent_doc_number] => 20030007271
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-09
[patent_title] => 'Amplifier with a strong output current'
[patent_app_type] => new
[patent_app_number] => 10/179356
[patent_app_country] => US
[patent_app_date] => 2002-06-25
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0007/20030007271.pdf
[firstpage_image] =>[orig_patent_app_number] => 10179356
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/179356 | Amplifier with a strong output current | Jun 24, 2002 | Issued |
Array
(
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[patent_doc_number] => 06950252
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-09-27
[patent_title] => 'Master carrier for magnetic transfer'
[patent_app_type] => utility
[patent_app_number] => 10/178550
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[firstpage_image] =>[orig_patent_app_number] => 10178550
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/178550 | Master carrier for magnetic transfer | Jun 24, 2002 | Issued |
Array
(
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[patent_doc_number] => 07009790
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-03-07
[patent_title] => 'Magnetic transfer apparatus'
[patent_app_type] => utility
[patent_app_number] => 10/176115
[patent_app_country] => US
[patent_app_date] => 2002-06-21
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[firstpage_image] =>[orig_patent_app_number] => 10176115
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/176115 | Magnetic transfer apparatus | Jun 20, 2002 | Issued |
Array
(
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[patent_doc_number] => 07023632
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-04-04
[patent_title] => 'Monitoring of phenomena indicative of PTP in a hard disk and controlling the burnishing of heads'
[patent_app_type] => utility
[patent_app_number] => 10/173561
[patent_app_country] => US
[patent_app_date] => 2002-06-18
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[pdf_file] => patents/07/023/07023632.pdf
[firstpage_image] =>[orig_patent_app_number] => 10173561
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/173561 | Monitoring of phenomena indicative of PTP in a hard disk and controlling the burnishing of heads | Jun 17, 2002 | Issued |
Array
(
[id] => 6804025
[patent_doc_number] => 20030231419
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[patent_issue_date] => 2003-12-18
[patent_title] => 'Differential magneto-resistive head pre-amplifiers for single polarity power supply applications'
[patent_app_type] => new
[patent_app_number] => 10/172368
[patent_app_country] => US
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[pdf_file] => publications/A1/0231/20030231419.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/172368 | Differential magneto-resistive head pre-amplifiers for single polarity power supply applications | Jun 13, 2002 | Issued |
Array
(
[id] => 1007029
[patent_doc_number] => 06906877
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-06-14
[patent_title] => 'Magnetic transfer method for a high-density magnetic recording medium'
[patent_app_type] => utility
[patent_app_number] => 10/163357
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[firstpage_image] =>[orig_patent_app_number] => 10163357
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/163357 | Magnetic transfer method for a high-density magnetic recording medium | Jun 6, 2002 | Issued |
Array
(
[id] => 718554
[patent_doc_number] => 07054082
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[patent_issue_date] => 2006-05-30
[patent_title] => 'Magnetic transfer method for a high-density magnetic recording medium'
[patent_app_type] => utility
[patent_app_number] => 10/163370
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[pdf_file] => patents/07/054/07054082.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/163370 | Magnetic transfer method for a high-density magnetic recording medium | Jun 6, 2002 | Issued |
Array
(
[id] => 6677563
[patent_doc_number] => 20030227703
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-12-11
[patent_title] => 'Hard disk drive with application-specific components'
[patent_app_type] => new
[patent_app_number] => 10/164719
[patent_app_country] => US
[patent_app_date] => 2002-06-06
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[pdf_file] => publications/A1/0227/20030227703.pdf
[firstpage_image] =>[orig_patent_app_number] => 10164719
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/164719 | Hard disk drive with application-specific components | Jun 5, 2002 | Abandoned |
Array
(
[id] => 942060
[patent_doc_number] => 06970314
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-11-29
[patent_title] => 'Multiple section read/write head for high track density, flexible media storage applications'
[patent_app_type] => utility
[patent_app_number] => 10/163988
[patent_app_country] => US
[patent_app_date] => 2002-06-05
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[pdf_file] => patents/06/970/06970314.pdf
[firstpage_image] =>[orig_patent_app_number] => 10163988
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/163988 | Multiple section read/write head for high track density, flexible media storage applications | Jun 4, 2002 | Issued |
Array
(
[id] => 723083
[patent_doc_number] => 07050252
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-05-23
[patent_title] => 'Disk drive employing off-line sector verification and relocation of marginal sectors discovered during read error recovery procedure'
[patent_app_type] => utility
[patent_app_number] => 10/160955
[patent_app_country] => US
[patent_app_date] => 2002-06-01
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/050/07050252.pdf
[firstpage_image] =>[orig_patent_app_number] => 10160955
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/160955 | Disk drive employing off-line sector verification and relocation of marginal sectors discovered during read error recovery procedure | May 31, 2002 | Issued |
Array
(
[id] => 536781
[patent_doc_number] => 07184230
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[patent_issue_date] => 2007-02-27
[patent_title] => 'System and method for processing track identifier errors to mitigate head instability in data storage devices'
[patent_app_type] => utility
[patent_app_number] => 10/160954
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[patent_app_date] => 2002-06-01
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[pdf_file] => patents/07/184/07184230.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/160954 | System and method for processing track identifier errors to mitigate head instability in data storage devices | May 31, 2002 | Issued |
Array
(
[id] => 1173522
[patent_doc_number] => 06757122
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[patent_issue_date] => 2004-06-29
[patent_title] => 'Method and decoding apparatus using linear code with parity check matrices composed from circulants'
[patent_app_type] => B1
[patent_app_number] => 10/160699
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/160699 | Method and decoding apparatus using linear code with parity check matrices composed from circulants | May 29, 2002 | Issued |
Array
(
[id] => 6855132
[patent_doc_number] => 20030128633
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[patent_issue_date] => 2003-07-10
[patent_title] => 'Heat assisted magnetic recording head with hybrid write pole'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/157219 | Heat assisted magnetic recording head with hybrid write pole | May 28, 2002 | Abandoned |
Array
(
[id] => 6434652
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[patent_title] => 'Apparatus and method of removing resonance frequency in system'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/155023 | Apparatus and method of removing resonance frequency in system | May 27, 2002 | Issued |
Array
(
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Array
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Array
(
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[patent_title] => 'System for combining automatic gain control values in a disc drive to perform drive performance operations'
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/147976 | Magnetic transfer method and apparatus | May 19, 2002 | Issued |
Array
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Array
(
[id] => 6768807
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[patent_title] => 'Servo writing method for hard disk drives'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/146213 | Servo writing method for hard disk drives | May 13, 2002 | Abandoned |