
William C. Choi
Examiner (ID: 3782, Phone: (571)272-2324 , Office: P/2872 )
| Most Active Art Unit | 2872 |
| Art Unit(s) | 2872, 2873 |
| Total Applications | 2412 |
| Issued Applications | 2216 |
| Pending Applications | 104 |
| Abandoned Applications | 130 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 5998317
[patent_doc_number] => 20020027733
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-03-07
[patent_title] => 'Disturbance detection circuit, memory device thereof, and disturbance detection method'
[patent_app_type] => new
[patent_app_number] => 09/761736
[patent_app_country] => US
[patent_app_date] => 2001-01-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0027/20020027733.pdf
[firstpage_image] =>[orig_patent_app_number] => 09761736
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/761736 | Disturbance detection circuit, memory device thereof, and disturbance detection method | Jan 17, 2001 | Issued |
Array
(
[id] => 1428562
[patent_doc_number] => 06515813
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-02-04
[patent_title] => 'Method for controlling servo information detection timing and rotational speed of disk, and disk drive'
[patent_app_type] => B2
[patent_app_number] => 09/764538
[patent_app_country] => US
[patent_app_date] => 2001-01-17
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/515/06515813.pdf
[firstpage_image] =>[orig_patent_app_number] => 09764538
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/764538 | Method for controlling servo information detection timing and rotational speed of disk, and disk drive | Jan 16, 2001 | Issued |
Array
(
[id] => 1520278
[patent_doc_number] => 06501607
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2002-12-31
[patent_title] => 'Channel quality monitor (CQM) for digital peak detection (DPD)'
[patent_app_type] => B2
[patent_app_number] => 09/757840
[patent_app_country] => US
[patent_app_date] => 2001-01-10
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[pdf_file] => patents/06/501/06501607.pdf
[firstpage_image] =>[orig_patent_app_number] => 09757840
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/757840 | Channel quality monitor (CQM) for digital peak detection (DPD) | Jan 9, 2001 | Issued |
Array
(
[id] => 1538185
[patent_doc_number] => 06490107
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2002-12-03
[patent_title] => 'Recording/reproducing apparatus having clock generating means for generating all of the required clock signals from a single reference crystal'
[patent_app_type] => B2
[patent_app_number] => 09/756934
[patent_app_country] => US
[patent_app_date] => 2001-01-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[pdf_file] => patents/06/490/06490107.pdf
[firstpage_image] =>[orig_patent_app_number] => 09756934
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/756934 | Recording/reproducing apparatus having clock generating means for generating all of the required clock signals from a single reference crystal | Jan 8, 2001 | Issued |
Array
(
[id] => 6421913
[patent_doc_number] => 20020126407
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-09-12
[patent_title] => 'Use of snake-in-the-box codes for reliable identification of tracks in servo fields of a disk drive'
[patent_app_type] => new
[patent_app_number] => 09/755413
[patent_app_country] => US
[patent_app_date] => 2001-01-05
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0126/20020126407.pdf
[firstpage_image] =>[orig_patent_app_number] => 09755413
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/755413 | Use of snake-in-the-box codes for reliable identification of tracks in servo fields of a disk drive | Jan 4, 2001 | Issued |
Array
(
[id] => 1422894
[patent_doc_number] => 06529340
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-03-04
[patent_title] => 'Asymmetry correction circuit'
[patent_app_type] => B2
[patent_app_number] => 09/753316
[patent_app_country] => US
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[patent_effective_date] => 0000-00-00
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[firstpage_image] =>[orig_patent_app_number] => 09753316
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/753316 | Asymmetry correction circuit | Dec 28, 2000 | Issued |
Array
(
[id] => 1431316
[patent_doc_number] => 06504662
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[patent_kind] => B2
[patent_issue_date] => 2003-01-07
[patent_title] => 'Apparatus for measuring and characterizing thermal asperities in a mass data storage device'
[patent_app_type] => B2
[patent_app_number] => 09/753322
[patent_app_country] => US
[patent_app_date] => 2000-12-28
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[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/06/504/06504662.pdf
[firstpage_image] =>[orig_patent_app_number] => 09753322
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/753322 | Apparatus for measuring and characterizing thermal asperities in a mass data storage device | Dec 27, 2000 | Issued |
Array
(
[id] => 5784505
[patent_doc_number] => 20020159175
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-10-31
[patent_title] => 'Method of reading magnetic information which is immunized against thermal asperities'
[patent_app_type] => new
[patent_app_number] => 09/914244
[patent_app_country] => US
[patent_app_date] => 2001-08-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[firstpage_image] =>[orig_patent_app_number] => 09914244
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/914244 | Method of reading magnetic information which is immunized against thermal asperities | Dec 26, 2000 | Issued |
Array
(
[id] => 7064132
[patent_doc_number] => 20010043418
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2001-11-22
[patent_title] => 'Information recording device'
[patent_app_type] => new
[patent_app_number] => 09/736826
[patent_app_country] => US
[patent_app_date] => 2000-12-14
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[firstpage_image] =>[orig_patent_app_number] => 09736826
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/736826 | Information recording device having a function of erasing information in a standby state | Dec 13, 2000 | Issued |
Array
(
[id] => 1419274
[patent_doc_number] => 06535463
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-03-18
[patent_title] => 'Method and apparatus for high density recording of data on a disk, and recording medium produced thereby'
[patent_app_type] => B2
[patent_app_number] => 09/735100
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/735100 | Method and apparatus for high density recording of data on a disk, and recording medium produced thereby | Dec 11, 2000 | Issued |
Array
(
[id] => 1507027
[patent_doc_number] => 06466385
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-10-15
[patent_title] => 'Method and apparatus of forming a magnetic disk with a servo sector and a data sector on a spiral track'
[patent_app_type] => B1
[patent_app_number] => 09/673900
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/673900 | Method and apparatus of forming a magnetic disk with a servo sector and a data sector on a spiral track | Dec 6, 2000 | Issued |
Array
(
[id] => 1431321
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[patent_title] => 'Disk apparatus and disk medium having a ramp loading mechanism'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/731403 | Disk apparatus and disk medium having a ramp loading mechanism | Dec 5, 2000 | Issued |
Array
(
[id] => 5827044
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[patent_issue_date] => 2002-06-06
[patent_title] => 'Method for detecting mechanical damage in a parking zone of a hard disk drive'
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Array
(
[id] => 6879536
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[patent_title] => 'Fly height control for a read/write head over patterned media'
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/728366 | Servo information writing method and storage device | Nov 29, 2000 | Issued |
Array
(
[id] => 1457378
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[patent_issue_date] => 2002-10-08
[patent_title] => 'Method for minimizing adjacent track data loss during a write operation in a disk drive'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/728627 | Method for minimizing adjacent track data loss during a write operation in a disk drive | Nov 29, 2000 | Issued |
Array
(
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/716326 | Disk device and method of generating signal representing head | Nov 20, 2000 | Issued |
Array
(
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Array
(
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[patent_title] => 'Differential voltage bias, voltage sense preamplifier architecture'
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[firstpage_image] =>[orig_patent_app_number] => 09714412
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/714412 | Differential voltage bias, voltage sense preamplifier architecture | Nov 15, 2000 | Issued |