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] => 9087689 [patent_doc_number] => 08559123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-15 [patent_title] => 'Magnetic recording device, magnetic recording method and magnetic recording medium for shingle write scheme' [patent_app_type] => utility [patent_app_number] => 12/801540 [patent_app_country] => US [patent_app_date] => 2010-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 9255 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12801540 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/801540
Magnetic recording device, magnetic recording method and magnetic recording medium for shingle write scheme Jun 13, 2010 Issued
Array ( [id] => 8191725 [patent_doc_number] => 08184393 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-05-22 [patent_title] => 'Self-servo-write using ramp-tracks' [patent_app_type] => utility [patent_app_number] => 12/813406 [patent_app_country] => US [patent_app_date] => 2010-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 25 [patent_no_of_words] => 10744 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/184/08184393.pdf [firstpage_image] =>[orig_patent_app_number] => 12813406 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/813406
Self-servo-write using ramp-tracks Jun 9, 2010 Issued
Array ( [id] => 8572709 [patent_doc_number] => 08339360 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-12-25 [patent_title] => 'Flexible display security CAPTCHA bends' [patent_app_type] => utility [patent_app_number] => 12/792424 [patent_app_country] => US [patent_app_date] => 2010-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5427 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12792424 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/792424
Flexible display security CAPTCHA bends Jun 1, 2010 Issued
Array ( [id] => 7649274 [patent_doc_number] => 20110298543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-08 [patent_title] => 'Systems and Methods for Hybrid Algorithm Gain Adaptation' [patent_app_type] => utility [patent_app_number] => 12/792555 [patent_app_country] => US [patent_app_date] => 2010-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6211 [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/A1/0298/20110298543.pdf [firstpage_image] =>[orig_patent_app_number] => 12792555 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/792555
Systems and methods for hybrid algorithm gain adaptation Jun 1, 2010 Issued
Array ( [id] => 6383763 [patent_doc_number] => 20100302668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-02 [patent_title] => 'Parallel Information Processing on a Hard Disk Drive' [patent_app_type] => utility [patent_app_number] => 12/790580 [patent_app_country] => US [patent_app_date] => 2010-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1914 [patent_no_of_claims] => 7 [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/A1/0302/20100302668.pdf [firstpage_image] =>[orig_patent_app_number] => 12790580 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/790580
Parallel Information Processing on a Hard Disk Drive May 27, 2010 Abandoned
Array ( [id] => 7493791 [patent_doc_number] => 08031421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-04 [patent_title] => 'Method for measuring optimum seeking time and inspection apparatus using the same' [patent_app_type] => utility [patent_app_number] => 12/788481 [patent_app_country] => US [patent_app_date] => 2010-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6585 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 388 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/031/08031421.pdf [firstpage_image] =>[orig_patent_app_number] => 12788481 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/788481
Method for measuring optimum seeking time and inspection apparatus using the same May 26, 2010 Issued
Array ( [id] => 6383778 [patent_doc_number] => 20100302671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-02 [patent_title] => 'MAGNETIC RECORDING DEVICE, HEAD EVALUATION DEVICE, AND WRITE-POLE-ERASING EVALUATION METHOD' [patent_app_type] => utility [patent_app_number] => 12/788185 [patent_app_country] => US [patent_app_date] => 2010-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7844 [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/A1/0302/20100302671.pdf [firstpage_image] =>[orig_patent_app_number] => 12788185 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/788185
MAGNETIC RECORDING DEVICE, HEAD EVALUATION DEVICE, AND WRITE-POLE-ERASING EVALUATION METHOD May 25, 2010 Abandoned
Array ( [id] => 4645604 [patent_doc_number] => 08023215 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-09-20 [patent_title] => 'Data recovery scan based on head performance' [patent_app_type] => utility [patent_app_number] => 12/786796 [patent_app_country] => US [patent_app_date] => 2010-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3476 [patent_no_of_claims] => 20 [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/08/023/08023215.pdf [firstpage_image] =>[orig_patent_app_number] => 12786796 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/786796
Data recovery scan based on head performance May 24, 2010 Issued
Array ( [id] => 4598435 [patent_doc_number] => 07982994 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-07-19 [patent_title] => 'Multi-level recording on shingled coherent magnetic media' [patent_app_type] => utility [patent_app_number] => 12/778697 [patent_app_country] => US [patent_app_date] => 2010-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 7452 [patent_no_of_claims] => 20 [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/07/982/07982994.pdf [firstpage_image] =>[orig_patent_app_number] => 12778697 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/778697
Multi-level recording on shingled coherent magnetic media May 11, 2010 Issued
Array ( [id] => 8544769 [patent_doc_number] => 08320066 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-27 [patent_title] => 'Storage device and read/write processing method therefor' [patent_app_type] => utility [patent_app_number] => 12/776117 [patent_app_country] => US [patent_app_date] => 2010-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5363 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12776117 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/776117
Storage device and read/write processing method therefor May 6, 2010 Issued
Array ( [id] => 6507007 [patent_doc_number] => 20100202078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-12 [patent_title] => 'READ/WRITE PROCESSING METHOD FOR MEDIUM RECORDING DEVICE AND MEDIUM RECORDING DEVICE' [patent_app_type] => utility [patent_app_number] => 12/761317 [patent_app_country] => US [patent_app_date] => 2010-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6061 [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/A1/0202/20100202078.pdf [firstpage_image] =>[orig_patent_app_number] => 12761317 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/761317
READ/WRITE PROCESSING METHOD FOR MEDIUM RECORDING DEVICE AND MEDIUM RECORDING DEVICE Apr 14, 2010 Abandoned
Array ( [id] => 6233518 [patent_doc_number] => 20100265807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-21 [patent_title] => 'TAPE DATA ASSESSMENT' [patent_app_type] => utility [patent_app_number] => 12/761236 [patent_app_country] => US [patent_app_date] => 2010-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 15414 [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/A1/0265/20100265807.pdf [firstpage_image] =>[orig_patent_app_number] => 12761236 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/761236
Tape data assessment Apr 14, 2010 Issued
Array ( [id] => 6233160 [patent_doc_number] => 20100265607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-21 [patent_title] => 'TAPE CARTRIDGE PAIRED DATA' [patent_app_type] => utility [patent_app_number] => 12/761274 [patent_app_country] => US [patent_app_date] => 2010-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 15308 [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/A1/0265/20100265607.pdf [firstpage_image] =>[orig_patent_app_number] => 12761274 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/761274
Tape cartridge paired data Apr 14, 2010 Issued
Array ( [id] => 6445339 [patent_doc_number] => 20100188946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-29 [patent_title] => 'HEAD TESTING METHOD AND HEAD TESTING DEVICE' [patent_app_type] => utility [patent_app_number] => 12/754482 [patent_app_country] => US [patent_app_date] => 2010-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5538 [patent_no_of_claims] => 8 [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/A1/0188/20100188946.pdf [firstpage_image] =>[orig_patent_app_number] => 12754482 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/754482
HEAD TESTING METHOD AND HEAD TESTING DEVICE Apr 4, 2010 Abandoned
Array ( [id] => 7536343 [patent_doc_number] => 08049981 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-11-01 [patent_title] => 'Method of controlling a filter coefficient of a continuous time filter and data storage device thereof' [patent_app_type] => utility [patent_app_number] => 12/753969 [patent_app_country] => US [patent_app_date] => 2010-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4856 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/049/08049981.pdf [firstpage_image] =>[orig_patent_app_number] => 12753969 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/753969
Method of controlling a filter coefficient of a continuous time filter and data storage device thereof Apr 4, 2010 Issued
Array ( [id] => 9351301 [patent_doc_number] => 08670199 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-11 [patent_title] => 'Data-dependent noise-predictive maximum likelihood detection (DD-NPML) for magnetic recording' [patent_app_type] => utility [patent_app_number] => 12/753586 [patent_app_country] => US [patent_app_date] => 2010-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 7554 [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] =>[firstpage_image] =>[orig_patent_app_number] => 12753586 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/753586
Data-dependent noise-predictive maximum likelihood detection (DD-NPML) for magnetic recording Apr 1, 2010 Issued
Array ( [id] => 4598420 [patent_doc_number] => 07982985 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-07-19 [patent_title] => 'Method and apparatus for adapting a finite impulse response equalizer in a hard disk drive read channel' [patent_app_type] => utility [patent_app_number] => 12/753774 [patent_app_country] => US [patent_app_date] => 2010-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 4752 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/982/07982985.pdf [firstpage_image] =>[orig_patent_app_number] => 12753774 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/753774
Method and apparatus for adapting a finite impulse response equalizer in a hard disk drive read channel Apr 1, 2010 Issued
Array ( [id] => 10624134 [patent_doc_number] => 09343082 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-17 [patent_title] => 'Systems and methods for detecting head contact' [patent_app_type] => utility [patent_app_number] => 12/750675 [patent_app_country] => US [patent_app_date] => 2010-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5624 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12750675 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/750675
Systems and methods for detecting head contact Mar 29, 2010 Issued
Array ( [id] => 8204420 [patent_doc_number] => 08189282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-29 [patent_title] => 'Servo patterns for patterned media' [patent_app_type] => utility [patent_app_number] => 12/661390 [patent_app_country] => US [patent_app_date] => 2010-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 6748 [patent_no_of_claims] => 21 [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/08/189/08189282.pdf [firstpage_image] =>[orig_patent_app_number] => 12661390 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/661390
Servo patterns for patterned media Mar 14, 2010 Issued
Array ( [id] => 6315898 [patent_doc_number] => 20100195237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-05 [patent_title] => 'MAGNETIC RECORDING MEDIUM, RECORDING/REPRODUCING APPARATUS, AND STAMPER' [patent_app_type] => utility [patent_app_number] => 12/698228 [patent_app_country] => US [patent_app_date] => 2010-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 20991 [patent_no_of_claims] => 7 [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/A1/0195/20100195237.pdf [firstpage_image] =>[orig_patent_app_number] => 12698228 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/698228
MAGNETIC RECORDING MEDIUM, RECORDING/REPRODUCING APPARATUS, AND STAMPER Feb 1, 2010 Abandoned
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