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] => 635832 [patent_doc_number] => 07130146 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-31 [patent_title] => 'Two-pass-per-track servo burst patterns' [patent_app_type] => utility [patent_app_number] => 11/081445 [patent_app_country] => US [patent_app_date] => 2005-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 34 [patent_no_of_words] => 14158 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/130/07130146.pdf [firstpage_image] =>[orig_patent_app_number] => 11081445 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/081445
Two-pass-per-track servo burst patterns Mar 15, 2005 Issued
Array ( [id] => 506834 [patent_doc_number] => 07206148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-04-17 [patent_title] => 'Variable frequency chevron in printed media reference pattern to improve servo demodulation' [patent_app_type] => utility [patent_app_number] => 11/081346 [patent_app_country] => US [patent_app_date] => 2005-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7334 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/206/07206148.pdf [firstpage_image] =>[orig_patent_app_number] => 11081346 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/081346
Variable frequency chevron in printed media reference pattern to improve servo demodulation Mar 15, 2005 Issued
Array ( [id] => 463285 [patent_doc_number] => 07242547 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-07-10 [patent_title] => 'Magnetic head device, rotary head device, magnetic tape device, magnetic disc device, and magnetic recording method' [patent_app_type] => utility [patent_app_number] => 11/065916 [patent_app_country] => US [patent_app_date] => 2005-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 29 [patent_no_of_words] => 13537 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/242/07242547.pdf [firstpage_image] =>[orig_patent_app_number] => 11065916 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/065916
Magnetic head device, rotary head device, magnetic tape device, magnetic disc device, and magnetic recording method Feb 24, 2005 Issued
Array ( [id] => 448854 [patent_doc_number] => 07253984 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-08-07 [patent_title] => 'Disk drive that generates a position error signal and a fly height signal from a servo burst pattern' [patent_app_type] => utility [patent_app_number] => 11/066695 [patent_app_country] => US [patent_app_date] => 2005-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 9328 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/253/07253984.pdf [firstpage_image] =>[orig_patent_app_number] => 11066695 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/066695
Disk drive that generates a position error signal and a fly height signal from a servo burst pattern Feb 24, 2005 Issued
Array ( [id] => 7052434 [patent_doc_number] => 20050188153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-25 [patent_title] => 'Method and apparatus for recording data on hard disk drive, and storage medium therefor' [patent_app_type] => utility [patent_app_number] => 11/063558 [patent_app_country] => US [patent_app_date] => 2005-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4001 [patent_no_of_claims] => 19 [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/A1/0188/20050188153.pdf [firstpage_image] =>[orig_patent_app_number] => 11063558 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/063558
Method and apparatus for recording data on hard disk drive, and storage medium therefor Feb 23, 2005 Issued
Array ( [id] => 502752 [patent_doc_number] => 07209311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-04-24 [patent_title] => 'Data storage device and control method therefor to prevent off-track writing' [patent_app_type] => utility [patent_app_number] => 11/063487 [patent_app_country] => US [patent_app_date] => 2005-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7335 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/209/07209311.pdf [firstpage_image] =>[orig_patent_app_number] => 11063487 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/063487
Data storage device and control method therefor to prevent off-track writing Feb 21, 2005 Issued
Array ( [id] => 5618035 [patent_doc_number] => 20060187568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-24 [patent_title] => 'System and method to optimize track spacing on a rotatable media' [patent_app_type] => utility [patent_app_number] => 11/062049 [patent_app_country] => US [patent_app_date] => 2005-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4286 [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/A1/0187/20060187568.pdf [firstpage_image] =>[orig_patent_app_number] => 11062049 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/062049
System and method to optimize track spacing on a rotatable media Feb 17, 2005 Abandoned
Array ( [id] => 631700 [patent_doc_number] => 07133229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-07 [patent_title] => 'Magnetic recording disk drive with patterned media and compensation for write-clock timing error caused by rotational disturbances' [patent_app_type] => utility [patent_app_number] => 11/056965 [patent_app_country] => US [patent_app_date] => 2005-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3541 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/133/07133229.pdf [firstpage_image] =>[orig_patent_app_number] => 11056965 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/056965
Magnetic recording disk drive with patterned media and compensation for write-clock timing error caused by rotational disturbances Feb 9, 2005 Issued
Array ( [id] => 5812045 [patent_doc_number] => 20060082919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-20 [patent_title] => 'Storage device and its control method and manufacturing method' [patent_app_type] => utility [patent_app_number] => 11/052185 [patent_app_country] => US [patent_app_date] => 2005-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6947 [patent_no_of_claims] => 15 [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/A1/0082/20060082919.pdf [firstpage_image] =>[orig_patent_app_number] => 11052185 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/052185
Storage device and its control method and manufacturing method Feb 6, 2005 Issued
Array ( [id] => 4598444 [patent_doc_number] => 07982999 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-07-19 [patent_title] => 'Information storing device and method for controlling same to record/reproduce information by selecting one of working modes' [patent_app_type] => utility [patent_app_number] => 11/050699 [patent_app_country] => US [patent_app_date] => 2005-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 23 [patent_no_of_words] => 11732 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/982/07982999.pdf [firstpage_image] =>[orig_patent_app_number] => 11050699 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/050699
Information storing device and method for controlling same to record/reproduce information by selecting one of working modes Feb 6, 2005 Issued
Array ( [id] => 6910914 [patent_doc_number] => 20050174672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-11 [patent_title] => 'Compensation for jitter in servo signal within data storage device' [patent_app_type] => utility [patent_app_number] => 11/051859 [patent_app_country] => US [patent_app_date] => 2005-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4998 [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/A1/0174/20050174672.pdf [firstpage_image] =>[orig_patent_app_number] => 11051859 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/051859
Compensation for jitter in servo signal within data storage device Feb 3, 2005 Issued
Array ( [id] => 486688 [patent_doc_number] => 07221534 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-22 [patent_title] => 'Piezoelectric crystal actuator and techniques for hysteresis reduction' [patent_app_type] => utility [patent_app_number] => 11/051371 [patent_app_country] => US [patent_app_date] => 2005-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3822 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/221/07221534.pdf [firstpage_image] =>[orig_patent_app_number] => 11051371 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/051371
Piezoelectric crystal actuator and techniques for hysteresis reduction Feb 2, 2005 Issued
Array ( [id] => 628250 [patent_doc_number] => 07136240 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-14 [patent_title] => 'Magnetic disk drive with parameter setting' [patent_app_type] => utility [patent_app_number] => 11/050397 [patent_app_country] => US [patent_app_date] => 2005-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6816 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/136/07136240.pdf [firstpage_image] =>[orig_patent_app_number] => 11050397 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/050397
Magnetic disk drive with parameter setting Feb 1, 2005 Issued
Array ( [id] => 7134477 [patent_doc_number] => 20050180042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-18 [patent_title] => 'Method and apparatus for high-speed compensation of RRO error in hard disk drive' [patent_app_type] => utility [patent_app_number] => 11/045496 [patent_app_country] => US [patent_app_date] => 2005-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6897 [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/A1/0180/20050180042.pdf [firstpage_image] =>[orig_patent_app_number] => 11045496 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/045496
Method and apparatus for high-speed compensation of RRO error in hard disk drive Jan 30, 2005 Issued
Array ( [id] => 527262 [patent_doc_number] => 07190543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-03-13 [patent_title] => 'Method and apparatus for optimizing flying height control using heated sliders' [patent_app_type] => utility [patent_app_number] => 11/048009 [patent_app_country] => US [patent_app_date] => 2005-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 4886 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/190/07190543.pdf [firstpage_image] =>[orig_patent_app_number] => 11048009 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/048009
Method and apparatus for optimizing flying height control using heated sliders Jan 30, 2005 Issued
Array ( [id] => 391121 [patent_doc_number] => 07301718 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-27 [patent_title] => 'Recording errors in tape drives' [patent_app_type] => utility [patent_app_number] => 11/047171 [patent_app_country] => US [patent_app_date] => 2005-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2521 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/301/07301718.pdf [firstpage_image] =>[orig_patent_app_number] => 11047171 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/047171
Recording errors in tape drives Jan 30, 2005 Issued
Array ( [id] => 567632 [patent_doc_number] => 07161753 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-09 [patent_title] => 'Modulation of sidewalls of servo sectors of a magnetic disk and the resultant disk' [patent_app_type] => utility [patent_app_number] => 11/046195 [patent_app_country] => US [patent_app_date] => 2005-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 6932 [patent_no_of_claims] => 15 [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/07/161/07161753.pdf [firstpage_image] =>[orig_patent_app_number] => 11046195 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/046195
Modulation of sidewalls of servo sectors of a magnetic disk and the resultant disk Jan 27, 2005 Issued
Array ( [id] => 5665700 [patent_doc_number] => 20060171050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-03 [patent_title] => 'Utilizing a combination of physical tracks and virtual tracks to store data on a data storage medium' [patent_app_type] => utility [patent_app_number] => 11/046037 [patent_app_country] => US [patent_app_date] => 2005-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2911 [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/A1/0171/20060171050.pdf [firstpage_image] =>[orig_patent_app_number] => 11046037 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/046037
Utilizing a combination of physical tracks and virtual tracks to store data on a data storage medium Jan 27, 2005 Issued
Array ( [id] => 6943467 [patent_doc_number] => 20050195516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-08 [patent_title] => 'Servo writer' [patent_app_type] => utility [patent_app_number] => 11/043116 [patent_app_country] => US [patent_app_date] => 2005-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3369 [patent_no_of_claims] => 21 [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/A1/0195/20050195516.pdf [firstpage_image] =>[orig_patent_app_number] => 11043116 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/043116
Servo writer Jan 26, 2005 Issued
Array ( [id] => 511561 [patent_doc_number] => 07203024 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-04-10 [patent_title] => 'Method of testing servo burst signals of hard disk drive and recording medium adapted therefor' [patent_app_type] => utility [patent_app_number] => 11/041941 [patent_app_country] => US [patent_app_date] => 2005-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 5457 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/203/07203024.pdf [firstpage_image] =>[orig_patent_app_number] => 11041941 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/041941
Method of testing servo burst signals of hard disk drive and recording medium adapted therefor Jan 25, 2005 Issued
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