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] => 6799 [patent_doc_number] => 07813068 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-12 [patent_title] => 'Degauss control for magnetic disk-drive preamplifier' [patent_app_type] => utility [patent_app_number] => 12/120525 [patent_app_country] => US [patent_app_date] => 2008-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 9399 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/813/07813068.pdf [firstpage_image] =>[orig_patent_app_number] => 12120525 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/120525
Degauss control for magnetic disk-drive preamplifier May 13, 2008 Issued
Array ( [id] => 4537066 [patent_doc_number] => 07924525 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-04-12 [patent_title] => 'Hybrid termination of transmission line for driving hard disk drive head' [patent_app_type] => utility [patent_app_number] => 12/152644 [patent_app_country] => US [patent_app_date] => 2008-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 9165 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/924/07924525.pdf [firstpage_image] =>[orig_patent_app_number] => 12152644 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/152644
Hybrid termination of transmission line for driving hard disk drive head May 13, 2008 Issued
Array ( [id] => 4625481 [patent_doc_number] => 08004785 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-08-23 [patent_title] => 'Disk drive write verifying unformatted data sectors' [patent_app_type] => utility [patent_app_number] => 12/118365 [patent_app_country] => US [patent_app_date] => 2008-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2428 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/004/08004785.pdf [firstpage_image] =>[orig_patent_app_number] => 12118365 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/118365
Disk drive write verifying unformatted data sectors May 8, 2008 Issued
Array ( [id] => 4464790 [patent_doc_number] => 07881008 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-01 [patent_title] => 'Joint specification of servo format and servo reader parameters for tape drive systems' [patent_app_type] => utility [patent_app_number] => 12/117899 [patent_app_country] => US [patent_app_date] => 2008-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2402 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/881/07881008.pdf [firstpage_image] =>[orig_patent_app_number] => 12117899 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/117899
Joint specification of servo format and servo reader parameters for tape drive systems May 8, 2008 Issued
Array ( [id] => 4521573 [patent_doc_number] => 07911730 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-22 [patent_title] => 'Magnetic head and tape drive for reading multiple data formats' [patent_app_type] => utility [patent_app_number] => 12/116533 [patent_app_country] => US [patent_app_date] => 2008-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4800 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/911/07911730.pdf [firstpage_image] =>[orig_patent_app_number] => 12116533 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/116533
Magnetic head and tape drive for reading multiple data formats May 6, 2008 Issued
Array ( [id] => 4857842 [patent_doc_number] => 20080266692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'MAGNETIC DISK DEVICE AND DATA WRITING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 12/110177 [patent_app_country] => US [patent_app_date] => 2008-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3232 [patent_no_of_claims] => 8 [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/A1/0266/20080266692.pdf [firstpage_image] =>[orig_patent_app_number] => 12110177 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/110177
MAGNETIC DISK DEVICE AND DATA WRITING METHOD THEREOF Apr 24, 2008 Abandoned
Array ( [id] => 5557018 [patent_doc_number] => 20090268595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-29 [patent_title] => 'INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/109661 [patent_app_country] => US [patent_app_date] => 2008-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 20410 [patent_no_of_claims] => 12 [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/A1/0268/20090268595.pdf [firstpage_image] =>[orig_patent_app_number] => 12109661 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/109661
INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING APPARATUS Apr 24, 2008 Abandoned
Array ( [id] => 8019597 [patent_doc_number] => 08139307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-03-20 [patent_title] => 'Hard disk drive apparatus, method of controlling flying height of magnetic head thereof, and recording medium to contain computer program therefor' [patent_app_type] => utility [patent_app_number] => 12/108664 [patent_app_country] => US [patent_app_date] => 2008-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5655 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/139/08139307.pdf [firstpage_image] =>[orig_patent_app_number] => 12108664 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/108664
Hard disk drive apparatus, method of controlling flying height of magnetic head thereof, and recording medium to contain computer program therefor Apr 23, 2008 Issued
Array ( [id] => 8019599 [patent_doc_number] => 08139308 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-03-20 [patent_title] => 'Hard disk drive, method of controlling flying height of magnetic head thereof, and recording medium containing computer program thereon' [patent_app_type] => utility [patent_app_number] => 12/108679 [patent_app_country] => US [patent_app_date] => 2008-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5763 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/139/08139308.pdf [firstpage_image] =>[orig_patent_app_number] => 12108679 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/108679
Hard disk drive, method of controlling flying height of magnetic head thereof, and recording medium containing computer program thereon Apr 23, 2008 Issued
Array ( [id] => 257262 [patent_doc_number] => 07576942 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-08-18 [patent_title] => 'Servo sector format with large lithographic tolerances' [patent_app_type] => utility [patent_app_number] => 12/107521 [patent_app_country] => US [patent_app_date] => 2008-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 9396 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/576/07576942.pdf [firstpage_image] =>[orig_patent_app_number] => 12107521 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/107521
Servo sector format with large lithographic tolerances Apr 21, 2008 Issued
Array ( [id] => 4857849 [patent_doc_number] => 20080266699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'WRITE RETRY METHOD AND MAGNETIC TAPE APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/107308 [patent_app_country] => US [patent_app_date] => 2008-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5129 [patent_no_of_claims] => 6 [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/A1/0266/20080266699.pdf [firstpage_image] =>[orig_patent_app_number] => 12107308 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/107308
WRITE RETRY METHOD AND MAGNETIC TAPE APPARATUS Apr 21, 2008 Abandoned
Array ( [id] => 170708 [patent_doc_number] => 07667913 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-02-23 [patent_title] => 'Control unit, storage unit, and method for manufacturing storage unit' [patent_app_type] => utility [patent_app_number] => 12/107411 [patent_app_country] => US [patent_app_date] => 2008-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 5653 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/667/07667913.pdf [firstpage_image] =>[orig_patent_app_number] => 12107411 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/107411
Control unit, storage unit, and method for manufacturing storage unit Apr 21, 2008 Issued
Array ( [id] => 4790592 [patent_doc_number] => 20080291565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-27 [patent_title] => 'CONTROL APPARATUS, STORAGE APPARATUS, AND WRITING CONTROL METHOD' [patent_app_type] => utility [patent_app_number] => 12/105868 [patent_app_country] => US [patent_app_date] => 2008-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5051 [patent_no_of_claims] => 9 [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/A1/0291/20080291565.pdf [firstpage_image] =>[orig_patent_app_number] => 12105868 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/105868
Control apparatus, storage apparatus, and writing control method Apr 17, 2008 Issued
Array ( [id] => 115367 [patent_doc_number] => 07715142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-11 [patent_title] => 'Hard disk drive controller, image forming apparatus and storage medium with recorded computer program' [patent_app_type] => utility [patent_app_number] => 12/102369 [patent_app_country] => US [patent_app_date] => 2008-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7179 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/715/07715142.pdf [firstpage_image] =>[orig_patent_app_number] => 12102369 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/102369
Hard disk drive controller, image forming apparatus and storage medium with recorded computer program Apr 13, 2008 Issued
Array ( [id] => 271401 [patent_doc_number] => 07564640 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-21 [patent_title] => 'Apparatus for recording or retrieving data on magnetic tape' [patent_app_type] => utility [patent_app_number] => 12/100935 [patent_app_country] => US [patent_app_date] => 2008-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5118 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/564/07564640.pdf [firstpage_image] =>[orig_patent_app_number] => 12100935 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/100935
Apparatus for recording or retrieving data on magnetic tape Apr 9, 2008 Issued
Array ( [id] => 4680847 [patent_doc_number] => 20080247073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-09 [patent_title] => 'DISK DRIVE APPARATUS AND METHOD OF ADAPTIVELY CONTROLLING FLYING HEIGHT OF MAGNETIC HEAD THEREIN' [patent_app_type] => utility [patent_app_number] => 12/098630 [patent_app_country] => US [patent_app_date] => 2008-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6126 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0247/20080247073.pdf [firstpage_image] =>[orig_patent_app_number] => 12098630 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/098630
Disk drive apparatus and method of adaptively controlling flying height of magnetic head therein Apr 6, 2008 Issued
Array ( [id] => 4878033 [patent_doc_number] => 20080151416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-26 [patent_title] => 'SYNCHRONOUS SERVO CHANNEL FOR TAPE DRIVE SYSTEMS' [patent_app_type] => utility [patent_app_number] => 12/044950 [patent_app_country] => US [patent_app_date] => 2008-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 14780 [patent_no_of_claims] => 18 [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/A1/0151/20080151416.pdf [firstpage_image] =>[orig_patent_app_number] => 12044950 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/044950
Synchronous servo channel for tape drive systems Mar 7, 2008 Issued
Array ( [id] => 4445017 [patent_doc_number] => 07929232 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-19 [patent_title] => 'Test method of a magnetic disk and magnectic disk tester' [patent_app_type] => utility [patent_app_number] => 12/034011 [patent_app_country] => US [patent_app_date] => 2008-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4696 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/929/07929232.pdf [firstpage_image] =>[orig_patent_app_number] => 12034011 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/034011
Test method of a magnetic disk and magnectic disk tester Feb 19, 2008 Issued
Array ( [id] => 6820 [patent_doc_number] => 07813070 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-12 [patent_title] => 'Error correction capability for longitudinal position data in a tape storage system' [patent_app_type] => utility [patent_app_number] => 12/033440 [patent_app_country] => US [patent_app_date] => 2008-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 6810 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/813/07813070.pdf [firstpage_image] =>[orig_patent_app_number] => 12033440 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/033440
Error correction capability for longitudinal position data in a tape storage system Feb 18, 2008 Issued
Array ( [id] => 8910801 [patent_doc_number] => 08482873 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-07-09 [patent_title] => 'Disk drive employing pulse width modulation of head control signal' [patent_app_type] => utility [patent_app_number] => 12/032783 [patent_app_country] => US [patent_app_date] => 2008-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 2106 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12032783 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/032783
Disk drive employing pulse width modulation of head control signal Feb 17, 2008 Issued
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