Search

Fred Tzeng

Examiner (ID: 5378)

Most Active Art Unit
2627
Art Unit(s)
2186, 2686, 2627, 2752, 2651, 2695, 2625
Total Applications
1789
Issued Applications
1607
Pending Applications
63
Abandoned Applications
139

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5594855 [patent_doc_number] => 20060158771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-20 [patent_title] => 'Magnetic tape and manufacturing method thereof, and servo writer' [patent_app_type] => utility [patent_app_number] => 11/378377 [patent_app_country] => US [patent_app_date] => 2006-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8037 [patent_no_of_claims] => 10 [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] => publications/A1/0158/20060158771.pdf [firstpage_image] =>[orig_patent_app_number] => 11378377 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/378377
Magnetic tape and manufacturing method thereof, and servo writer Mar 19, 2006 Issued
Array ( [id] => 315775 [patent_doc_number] => 07525753 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-04-28 [patent_title] => 'Reducing seek wind-up in a disk drive using early acceleration feedforward signal' [patent_app_type] => utility [patent_app_number] => 11/384692 [patent_app_country] => US [patent_app_date] => 2006-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5338 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/525/07525753.pdf [firstpage_image] =>[orig_patent_app_number] => 11384692 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/384692
Reducing seek wind-up in a disk drive using early acceleration feedforward signal Mar 19, 2006 Issued
Array ( [id] => 5758507 [patent_doc_number] => 20060209452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-21 [patent_title] => 'Method and apparatus for writing data in a disk drive' [patent_app_type] => utility [patent_app_number] => 11/376594 [patent_app_country] => US [patent_app_date] => 2006-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4257 [patent_no_of_claims] => 14 [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] => publications/A1/0209/20060209452.pdf [firstpage_image] =>[orig_patent_app_number] => 11376594 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/376594
Method and apparatus for writing data in a disk drive Mar 15, 2006 Issued
Array ( [id] => 35871 [patent_doc_number] => 07787209 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-08-31 [patent_title] => 'Method and apparatus for compensating for repeatable runout using wide embedded runout correction fields' [patent_app_type] => utility [patent_app_number] => 11/378617 [patent_app_country] => US [patent_app_date] => 2006-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5760 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/787/07787209.pdf [firstpage_image] =>[orig_patent_app_number] => 11378617 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/378617
Method and apparatus for compensating for repeatable runout using wide embedded runout correction fields Mar 15, 2006 Issued
Array ( [id] => 4975829 [patent_doc_number] => 20070217060 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-20 [patent_title] => 'ALGORITHM FOR DSA/MICROACTUATOR TOTAL LOOP GAIN CALIBRATION' [patent_app_type] => utility [patent_app_number] => 11/376793 [patent_app_country] => US [patent_app_date] => 2006-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1919 [patent_no_of_claims] => 20 [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] => publications/A1/0217/20070217060.pdf [firstpage_image] =>[orig_patent_app_number] => 11376793 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/376793
Algorithm for DSA/microactuator total loop gain calibration Mar 14, 2006 Issued
Array ( [id] => 4975820 [patent_doc_number] => 20070217051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-20 [patent_title] => 'System and method for determining head-disk contact in a magnetic recording disk drive by magnetoresistive signal amplitude' [patent_app_type] => utility [patent_app_number] => 11/376660 [patent_app_country] => US [patent_app_date] => 2006-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3919 [patent_no_of_claims] => 18 [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] => publications/A1/0217/20070217051.pdf [firstpage_image] =>[orig_patent_app_number] => 11376660 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/376660
System and method for determining head-disk contact in a magnetic recording disk drive by magnetoresistive signal amplitude Mar 13, 2006 Issued
Array ( [id] => 5600756 [patent_doc_number] => 20060291101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-28 [patent_title] => 'Head position control method, head position control device, and disk device' [patent_app_type] => utility [patent_app_number] => 11/362601 [patent_app_country] => US [patent_app_date] => 2006-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 19017 [patent_no_of_claims] => 27 [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] => publications/A1/0291/20060291101.pdf [firstpage_image] =>[orig_patent_app_number] => 11362601 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/362601
Head position control method, head position control device, and disk device Feb 22, 2006 Issued
Array ( [id] => 5105456 [patent_doc_number] => 20070064331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-22 [patent_title] => 'Storage device' [patent_app_type] => utility [patent_app_number] => 11/358455 [patent_app_country] => US [patent_app_date] => 2006-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7633 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0064/20070064331.pdf [firstpage_image] =>[orig_patent_app_number] => 11358455 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/358455
Storage device Feb 20, 2006 Issued
Array ( [id] => 4625482 [patent_doc_number] => 08004786 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-23 [patent_title] => 'Transducer-data storage medium spacing adjustment' [patent_app_type] => utility [patent_app_number] => 11/357821 [patent_app_country] => US [patent_app_date] => 2006-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6254 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/004/08004786.pdf [firstpage_image] =>[orig_patent_app_number] => 11357821 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/357821
Transducer-data storage medium spacing adjustment Feb 16, 2006 Issued
Array ( [id] => 5158521 [patent_doc_number] => 20070171565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-26 [patent_title] => 'SYNCHRONOUS SERVO CHANNEL FOR LONGITUDINAL POSITION DETECTION AND POSITION ERROR SIGNAL GENERATION IN TAPE DRIVE SYSTEMS' [patent_app_type] => utility [patent_app_number] => 11/340030 [patent_app_country] => US [patent_app_date] => 2006-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 14447 [patent_no_of_claims] => 12 [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] => publications/A1/0171/20070171565.pdf [firstpage_image] =>[orig_patent_app_number] => 11340030 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/340030
Synchronous servo channel for longitudinal position detection and position error signal generation in tape drive systems Jan 25, 2006 Issued
Array ( [id] => 5665713 [patent_doc_number] => 20060171063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-03 [patent_title] => 'Seek servo control method for adapting to supply voltage variation and disk drive using the same' [patent_app_type] => utility [patent_app_number] => 11/339677 [patent_app_country] => US [patent_app_date] => 2006-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4308 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0171/20060171063.pdf [firstpage_image] =>[orig_patent_app_number] => 11339677 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/339677
Seek servo control method for adapting to supply voltage variation and disk drive using the same Jan 25, 2006 Issued
Array ( [id] => 5871137 [patent_doc_number] => 20060164752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-27 [patent_title] => 'Servo track write at low pressure using pressure insensitive air bearing surface' [patent_app_type] => utility [patent_app_number] => 11/339861 [patent_app_country] => US [patent_app_date] => 2006-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7390 [patent_no_of_claims] => 14 [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] => publications/A1/0164/20060164752.pdf [firstpage_image] =>[orig_patent_app_number] => 11339861 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/339861
Servo track write at low pressure using pressure insensitive air bearing surface Jan 24, 2006 Issued
Array ( [id] => 506909 [patent_doc_number] => 07206161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-04-17 [patent_title] => 'Servo track verification apparatus and servo writer' [patent_app_type] => utility [patent_app_number] => 11/338786 [patent_app_country] => US [patent_app_date] => 2006-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 7277 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/206/07206161.pdf [firstpage_image] =>[orig_patent_app_number] => 11338786 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/338786
Servo track verification apparatus and servo writer Jan 24, 2006 Issued
Array ( [id] => 5158517 [patent_doc_number] => 20070171561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-26 [patent_title] => 'Data storage cartridge with worm write-protection' [patent_app_type] => utility [patent_app_number] => 11/338550 [patent_app_country] => US [patent_app_date] => 2006-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4363 [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] => publications/A1/0171/20070171561.pdf [firstpage_image] =>[orig_patent_app_number] => 11338550 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/338550
Data storage cartridge with worm write-protection Jan 23, 2006 Issued
Array ( [id] => 5594853 [patent_doc_number] => 20060158769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-20 [patent_title] => 'On the fly write head flyheight detector' [patent_app_type] => utility [patent_app_number] => 11/337113 [patent_app_country] => US [patent_app_date] => 2006-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8048 [patent_no_of_claims] => 20 [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] => publications/A1/0158/20060158769.pdf [firstpage_image] =>[orig_patent_app_number] => 11337113 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/337113
On the fly write head flyheight detector Jan 18, 2006 Issued
Array ( [id] => 5594857 [patent_doc_number] => 20060158773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-20 [patent_title] => 'Head seek control method suppressing vibrations and rotatary recorder/reproducer' [patent_app_type] => utility [patent_app_number] => 11/335849 [patent_app_country] => US [patent_app_date] => 2006-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7056 [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] => publications/A1/0158/20060158773.pdf [firstpage_image] =>[orig_patent_app_number] => 11335849 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/335849
Head seek control method suppressing vibrations and rotatary recorder/reproducer Jan 17, 2006 Issued
Array ( [id] => 383852 [patent_doc_number] => 07307806 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-12-11 [patent_title] => 'Demodulation compensation for spiral servo tracks in hard disk drives' [patent_app_type] => utility [patent_app_number] => 11/333725 [patent_app_country] => US [patent_app_date] => 2006-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4716 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/307/07307806.pdf [firstpage_image] =>[orig_patent_app_number] => 11333725 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/333725
Demodulation compensation for spiral servo tracks in hard disk drives Jan 16, 2006 Issued
Array ( [id] => 5187016 [patent_doc_number] => 20070165324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-19 [patent_title] => 'Method and apparatus for sensing and controlling the flying height of a read-write head in a hard disk drive' [patent_app_type] => utility [patent_app_number] => 11/333679 [patent_app_country] => US [patent_app_date] => 2006-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5344 [patent_no_of_claims] => 31 [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] => publications/A1/0165/20070165324.pdf [firstpage_image] =>[orig_patent_app_number] => 11333679 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/333679
Method and apparatus for sensing leakage current to estimate and possibly adjust flying height of a read-write head in a hard disk drive Jan 15, 2006 Issued
Array ( [id] => 5692697 [patent_doc_number] => 20060152843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-13 [patent_title] => 'Servo information recording method, magnetic recording media, and magnetic disk apparatus' [patent_app_type] => utility [patent_app_number] => 11/331921 [patent_app_country] => US [patent_app_date] => 2006-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4671 [patent_no_of_claims] => 16 [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] => publications/A1/0152/20060152843.pdf [firstpage_image] =>[orig_patent_app_number] => 11331921 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/331921
Servo information recording method, magnetic recording media, and magnetic disk apparatus Jan 11, 2006 Issued
Array ( [id] => 5871134 [patent_doc_number] => 20060164749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-27 [patent_title] => 'Method for retracting head upon interruption of power, and disk drive employing the method' [patent_app_type] => utility [patent_app_number] => 11/330063 [patent_app_country] => US [patent_app_date] => 2006-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8610 [patent_no_of_claims] => 20 [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] => publications/A1/0164/20060164749.pdf [firstpage_image] =>[orig_patent_app_number] => 11330063 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/330063
Method for retracting head upon interruption of power, and disk drive employing the method Jan 11, 2006 Issued
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