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] => 4897929 [patent_doc_number] => 20080117542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-22 [patent_title] => 'Method and System for Providing a Longitudinally Shifted Servo Pattern for Increased Sampling Rate' [patent_app_type] => utility [patent_app_number] => 12/024125 [patent_app_country] => US [patent_app_date] => 2008-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9404 [patent_no_of_claims] => 23 [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/A1/0117/20080117542.pdf [firstpage_image] =>[orig_patent_app_number] => 12024125 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/024125
Method and system for providing a longitudinally shifted servo pattern for increased sampling rate Jan 31, 2008 Issued
Array ( [id] => 4897930 [patent_doc_number] => 20080117543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-22 [patent_title] => 'Tape Drive for Maintaining Lateral Position Utilizing Longitudinally Shifted Servo Pattern with Increased Sampling Rate' [patent_app_type] => utility [patent_app_number] => 12/024129 [patent_app_country] => US [patent_app_date] => 2008-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8899 [patent_no_of_claims] => 25 [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/A1/0117/20080117543.pdf [firstpage_image] =>[orig_patent_app_number] => 12024129 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/024129
Tape drive for maintaining lateral position utilizing longitudinally shifted servo pattern with increased sampling rate Jan 31, 2008 Issued
Array ( [id] => 56156 [patent_doc_number] => 07768729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-03 [patent_title] => 'Method, system, and computer program product for estimating adjacent track erasure risk by determining erase band width growth rates' [patent_app_type] => utility [patent_app_number] => 12/023980 [patent_app_country] => US [patent_app_date] => 2008-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 6536 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/768/07768729.pdf [firstpage_image] =>[orig_patent_app_number] => 12023980 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/023980
Method, system, and computer program product for estimating adjacent track erasure risk by determining erase band width growth rates Jan 30, 2008 Issued
Array ( [id] => 4464759 [patent_doc_number] => 07880995 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-01 [patent_title] => 'Method, system, and computer program product for thermally assisted recording systems' [patent_app_type] => utility [patent_app_number] => 12/024018 [patent_app_country] => US [patent_app_date] => 2008-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4860 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/880/07880995.pdf [firstpage_image] =>[orig_patent_app_number] => 12024018 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/024018
Method, system, and computer program product for thermally assisted recording systems Jan 30, 2008 Issued
Array ( [id] => 6818 [patent_doc_number] => 07813069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-12 [patent_title] => 'Method and apparatus for controlling motion of storage media' [patent_app_type] => utility [patent_app_number] => 12/023126 [patent_app_country] => US [patent_app_date] => 2008-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5401 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/813/07813069.pdf [firstpage_image] =>[orig_patent_app_number] => 12023126 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/023126
Method and apparatus for controlling motion of storage media Jan 30, 2008 Issued
Array ( [id] => 154272 [patent_doc_number] => 07679856 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-03-16 [patent_title] => 'Storage device, control device, and vibration-detection method' [patent_app_type] => utility [patent_app_number] => 12/023476 [patent_app_country] => US [patent_app_date] => 2008-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4519 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/679/07679856.pdf [firstpage_image] =>[orig_patent_app_number] => 12023476 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/023476
Storage device, control device, and vibration-detection method Jan 30, 2008 Issued
Array ( [id] => 244188 [patent_doc_number] => 07589926 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-15 [patent_title] => 'Methods and apparatus for formatting memory media' [patent_app_type] => utility [patent_app_number] => 12/023393 [patent_app_country] => US [patent_app_date] => 2008-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4816 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/589/07589926.pdf [firstpage_image] =>[orig_patent_app_number] => 12023393 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/023393
Methods and apparatus for formatting memory media Jan 30, 2008 Issued
Array ( [id] => 4717038 [patent_doc_number] => 20080239560 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'MAGNETIC DEVICE AND METHOD OF CONTROLLING MAGNETIC DEVICE' [patent_app_type] => utility [patent_app_number] => 12/021468 [patent_app_country] => US [patent_app_date] => 2008-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 6835 [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/A1/0239/20080239560.pdf [firstpage_image] =>[orig_patent_app_number] => 12021468 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/021468
MAGNETIC DEVICE AND METHOD OF CONTROLLING MAGNETIC DEVICE Jan 28, 2008 Abandoned
Array ( [id] => 4458844 [patent_doc_number] => 07894152 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-22 [patent_title] => 'Perpendicular recording discrete track medium and servo pattern magnetization method for same' [patent_app_type] => utility [patent_app_number] => 11/972083 [patent_app_country] => US [patent_app_date] => 2008-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 3462 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/894/07894152.pdf [firstpage_image] =>[orig_patent_app_number] => 11972083 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/972083
Perpendicular recording discrete track medium and servo pattern magnetization method for same Jan 9, 2008 Issued
Array ( [id] => 85648 [patent_doc_number] => 07742254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-22 [patent_title] => 'Servo channel for tape drive systems' [patent_app_type] => utility [patent_app_number] => 11/969184 [patent_app_country] => US [patent_app_date] => 2008-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5955 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/742/07742254.pdf [firstpage_image] =>[orig_patent_app_number] => 11969184 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/969184
Servo channel for tape drive systems Jan 2, 2008 Issued
Array ( [id] => 115370 [patent_doc_number] => 07715143 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-11 [patent_title] => 'Delta-sigma PLL using fractional divider from a multiphase ring oscillator' [patent_app_type] => utility [patent_app_number] => 11/965777 [patent_app_country] => US [patent_app_date] => 2007-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 6228 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/715/07715143.pdf [firstpage_image] =>[orig_patent_app_number] => 11965777 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/965777
Delta-sigma PLL using fractional divider from a multiphase ring oscillator Dec 27, 2007 Issued
Array ( [id] => 4750647 [patent_doc_number] => 20080158718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-03 [patent_title] => 'MAGNETIC RECORDING MEDIUM, RECORDING AND REPRODUCING DEVICE, MAGNETIC RECORDING MEDIUM-MAGNETIZING METHOD, AND MAGNETIC RECORDING MEDIUM-MAGNETIZING DEVICE' [patent_app_type] => utility [patent_app_number] => 11/965091 [patent_app_country] => US [patent_app_date] => 2007-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 25571 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0158/20080158718.pdf [firstpage_image] =>[orig_patent_app_number] => 11965091 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/965091
Magnetic recording medium, recording and reproducing device, magnetic recording medium-magnetizing method, and magnetic recording medium-magnetizing device Dec 26, 2007 Issued
Array ( [id] => 105062 [patent_doc_number] => 07724461 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-05-25 [patent_title] => 'Determining head non-linearity in a disk drive' [patent_app_type] => utility [patent_app_number] => 11/963497 [patent_app_country] => US [patent_app_date] => 2007-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5370 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/724/07724461.pdf [firstpage_image] =>[orig_patent_app_number] => 11963497 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/963497
Determining head non-linearity in a disk drive Dec 20, 2007 Issued
Array ( [id] => 94391 [patent_doc_number] => 07733596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-08 [patent_title] => 'System and method for identifying the signal integrity of a signal from a tape drive' [patent_app_type] => utility [patent_app_number] => 11/955962 [patent_app_country] => US [patent_app_date] => 2007-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2054 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/733/07733596.pdf [firstpage_image] =>[orig_patent_app_number] => 11955962 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/955962
System and method for identifying the signal integrity of a signal from a tape drive Dec 12, 2007 Issued
Array ( [id] => 580622 [patent_doc_number] => 07463437 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-12-09 [patent_title] => 'Demodulation compensation for spiral servo tracks in hard disk drives' [patent_app_type] => utility [patent_app_number] => 12/001285 [patent_app_country] => US [patent_app_date] => 2007-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4725 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/463/07463437.pdf [firstpage_image] =>[orig_patent_app_number] => 12001285 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/001285
Demodulation compensation for spiral servo tracks in hard disk drives Dec 10, 2007 Issued
Array ( [id] => 275192 [patent_doc_number] => 07561362 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Magnetic head having track width expansion mechanism, magnetic storage device and control circuit' [patent_app_type] => utility [patent_app_number] => 12/001008 [patent_app_country] => US [patent_app_date] => 2007-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3236 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/561/07561362.pdf [firstpage_image] =>[orig_patent_app_number] => 12001008 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/001008
Magnetic head having track width expansion mechanism, magnetic storage device and control circuit Dec 6, 2007 Issued
Array ( [id] => 73881 [patent_doc_number] => 07755861 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-07-13 [patent_title] => 'Method and system for providing a magnetic recording media' [patent_app_type] => utility [patent_app_number] => 11/951670 [patent_app_country] => US [patent_app_date] => 2007-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4984 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/755/07755861.pdf [firstpage_image] =>[orig_patent_app_number] => 11951670 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/951670
Method and system for providing a magnetic recording media Dec 5, 2007 Issued
Array ( [id] => 4474255 [patent_doc_number] => 07944643 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-05-17 [patent_title] => 'Patterns for pre-formatted information on magnetic hard disk media' [patent_app_type] => utility [patent_app_number] => 11/950570 [patent_app_country] => US [patent_app_date] => 2007-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 8299 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/944/07944643.pdf [firstpage_image] =>[orig_patent_app_number] => 11950570 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/950570
Patterns for pre-formatted information on magnetic hard disk media Dec 4, 2007 Issued
Array ( [id] => 55404 [patent_doc_number] => 07773334 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-08-10 [patent_title] => 'Single-pass spiral self-servo-write' [patent_app_type] => utility [patent_app_number] => 11/999416 [patent_app_country] => US [patent_app_date] => 2007-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 31 [patent_no_of_words] => 12374 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/773/07773334.pdf [firstpage_image] =>[orig_patent_app_number] => 11999416 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/999416
Single-pass spiral self-servo-write Dec 4, 2007 Issued
Array ( [id] => 4717028 [patent_doc_number] => 20080239550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'Head slider, magnetic storage device and control circuit, having cleaning mechanism' [patent_app_type] => utility [patent_app_number] => 11/999347 [patent_app_country] => US [patent_app_date] => 2007-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3061 [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/A1/0239/20080239550.pdf [firstpage_image] =>[orig_patent_app_number] => 11999347 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/999347
Head slider, magnetic storage device and control circuit, having cleaning mechanism Dec 4, 2007 Abandoned
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