
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] => 4272495
[patent_doc_number] => 06259573
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-07-10
[patent_title] => 'Preamplifier circuit with magnetoresistive sensor ESD protection'
[patent_app_type] => 1
[patent_app_number] => 9/255055
[patent_app_country] => US
[patent_app_date] => 1999-02-22
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Array
(
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[patent_kind] => NA
[patent_issue_date] => 2001-08-28
[patent_title] => 'Variable gain amplifier with temperature compensation for use in a disk drive system'
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Array
(
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[patent_issue_date] => 2001-08-14
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Array
(
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[patent_kind] => NA
[patent_issue_date] => 2001-05-29
[patent_title] => 'Multi-actuator optics drive system for laser servowriting'
[patent_app_type] => 1
[patent_app_number] => 9/252049
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[patent_app_date] => 1999-02-17
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Array
(
[id] => 4415581
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[patent_issue_date] => 2001-08-07
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Array
(
[id] => 4330245
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[patent_kind] => NA
[patent_issue_date] => 2001-06-19
[patent_title] => 'Method and apparatus for providing amplitude instability data recovery for AMR/GMR heads'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/248804 | Method and apparatus for providing amplitude instability data recovery for AMR/GMR heads | Feb 11, 1999 | Issued |
Array
(
[id] => 4289689
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[patent_title] => 'Write pass identifier'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/249023 | Write pass identifier | Feb 11, 1999 | Issued |
Array
(
[id] => 4283689
[patent_doc_number] => 06246537
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[patent_kind] => NA
[patent_issue_date] => 2001-06-12
[patent_title] => 'Recording medium, method and apparatus utilizing circular logical block address association'
[patent_app_type] => 1
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/248872 | Recording medium, method and apparatus utilizing circular logical block address association | Feb 10, 1999 | Issued |
Array
(
[id] => 4168950
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[patent_issue_date] => 2000-08-15
[patent_title] => 'Read/write protect scheme for a disk cartridge and drive'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/247902 | Read/write protect scheme for a disk cartridge and drive | Feb 9, 1999 | Issued |
Array
(
[id] => 4317041
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[patent_issue_date] => 2001-06-26
[patent_title] => 'Method and apparatus for acquiring a preamble signal in a hard disk drive'
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[patent_app_number] => 9/247131
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Array
(
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[patent_title] => 'Method and circuits for high speed powerup of analog reference source for a direct access storage device (DASD)'
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Array
(
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[patent_title] => 'Optimizing operation of a disk storage system by increasing the gain of a non-linear transducer and correcting the non-linear distortions using a non-linear correction circuit'
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Array
(
[id] => 4391891
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[patent_title] => 'Arrangement for reading information from a magnetic record carrier'
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Array
(
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[patent_title] => 'Camera having magnetic head and noise detector'
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Array
(
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[patent_title] => 'Magnetic information reproducing apparatus having power supply field cancellation facility'
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Array
(
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Array
(
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Array
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Array
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Array
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