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] => 745236 [patent_doc_number] => 07031096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-18 [patent_title] => 'Center frequency adjustment for a notch filter' [patent_app_type] => utility [patent_app_number] => 10/645899 [patent_app_country] => US [patent_app_date] => 2003-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 5773 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/031/07031096.pdf [firstpage_image] =>[orig_patent_app_number] => 10645899 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/645899
Center frequency adjustment for a notch filter Aug 19, 2003 Issued
Array ( [id] => 775856 [patent_doc_number] => 07002761 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-02-21 [patent_title] => 'Demodulation compensation for spiral servo tracks in hard disk drives' [patent_app_type] => utility [patent_app_number] => 10/644166 [patent_app_country] => US [patent_app_date] => 2003-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4689 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/002/07002761.pdf [firstpage_image] =>[orig_patent_app_number] => 10644166 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/644166
Demodulation compensation for spiral servo tracks in hard disk drives Aug 19, 2003 Issued
Array ( [id] => 7604426 [patent_doc_number] => 07116509 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-03 [patent_title] => 'Magnetic disk apparatus and servo signal recording method' [patent_app_type] => utility [patent_app_number] => 10/639657 [patent_app_country] => US [patent_app_date] => 2003-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 4360 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/116/07116509.pdf [firstpage_image] =>[orig_patent_app_number] => 10639657 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/639657
Magnetic disk apparatus and servo signal recording method Aug 12, 2003 Issued
Array ( [id] => 7376012 [patent_doc_number] => 20040080863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-29 [patent_title] => 'Positioning control device' [patent_app_type] => new [patent_app_number] => 10/635545 [patent_app_country] => US [patent_app_date] => 2003-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10154 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0080/20040080863.pdf [firstpage_image] =>[orig_patent_app_number] => 10635545 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/635545
Positioning control device Aug 6, 2003 Issued
Array ( [id] => 7150386 [patent_doc_number] => 20050024761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-03 [patent_title] => 'Dynamic measurement of head media spacing modulation' [patent_app_type] => utility [patent_app_number] => 10/631919 [patent_app_country] => US [patent_app_date] => 2003-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2869 [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/A1/0024/20050024761.pdf [firstpage_image] =>[orig_patent_app_number] => 10631919 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/631919
Dynamic measurement of head media spacing modulation Jul 30, 2003 Issued
Array ( [id] => 986504 [patent_doc_number] => 06924960 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-08-02 [patent_title] => 'Timing compensation in a self-servowriting system' [patent_app_type] => utility [patent_app_number] => 10/632880 [patent_app_country] => US [patent_app_date] => 2003-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2936 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/924/06924960.pdf [firstpage_image] =>[orig_patent_app_number] => 10632880 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/632880
Timing compensation in a self-servowriting system Jul 30, 2003 Issued
Array ( [id] => 1010288 [patent_doc_number] => 06900958 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-05-31 [patent_title] => 'Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration and monitoring of write-unsafe occurrences' [patent_app_type] => utility [patent_app_number] => 10/632434 [patent_app_country] => US [patent_app_date] => 2003-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2832 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/900/06900958.pdf [firstpage_image] =>[orig_patent_app_number] => 10632434 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/632434
Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration and monitoring of write-unsafe occurrences Jul 30, 2003 Issued
Array ( [id] => 7203533 [patent_doc_number] => 20050052770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-10 [patent_title] => 'Method and apparatus for recovering read errors in a disk drive' [patent_app_type] => utility [patent_app_number] => 10/628486 [patent_app_country] => US [patent_app_date] => 2003-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6853 [patent_no_of_claims] => 20 [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/A1/0052/20050052770.pdf [firstpage_image] =>[orig_patent_app_number] => 10628486 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/628486
Method and apparatus for recovering read errors in a disk drive Jul 28, 2003 Abandoned
Array ( [id] => 791298 [patent_doc_number] => 06985324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-10 [patent_title] => 'Counteracting gas ingestion in a hydrodynamic bearing spindle motor' [patent_app_type] => utility [patent_app_number] => 10/629935 [patent_app_country] => US [patent_app_date] => 2003-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5338 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/985/06985324.pdf [firstpage_image] =>[orig_patent_app_number] => 10629935 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/629935
Counteracting gas ingestion in a hydrodynamic bearing spindle motor Jul 28, 2003 Issued
Array ( [id] => 7279589 [patent_doc_number] => 20040061966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-01 [patent_title] => 'Precise positioning of media' [patent_app_type] => new [patent_app_number] => 10/629451 [patent_app_country] => US [patent_app_date] => 2003-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6183 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0061/20040061966.pdf [firstpage_image] =>[orig_patent_app_number] => 10629451 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/629451
Precise positioning of media Jul 28, 2003 Issued
Array ( [id] => 7023947 [patent_doc_number] => 20050018341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-27 [patent_title] => 'System, method, and apparatus for providing a single display panel and control for multiple data storage drives in an automated data storage library' [patent_app_type] => utility [patent_app_number] => 10/627070 [patent_app_country] => US [patent_app_date] => 2003-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3029 [patent_no_of_claims] => 11 [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/A1/0018/20050018341.pdf [firstpage_image] =>[orig_patent_app_number] => 10627070 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/627070
System, method, and apparatus for providing a single display panel and control for multiple data storage drives in an automated data storage library Jul 24, 2003 Issued
Array ( [id] => 7023950 [patent_doc_number] => 20050018344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-27 [patent_title] => 'Method and apparatus for determining modulated, amplitude ramping RRO harmonics in multi-screw clamped HDD disk/spindle assembly' [patent_app_type] => utility [patent_app_number] => 10/626296 [patent_app_country] => US [patent_app_date] => 2003-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3749 [patent_no_of_claims] => 15 [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/A1/0018/20050018344.pdf [firstpage_image] =>[orig_patent_app_number] => 10626296 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/626296
Method and apparatus for determining modulated, amplitude ramping RRO harmonics in multi-screw clamped HDD disk/spind assembly Jul 23, 2003 Issued
Array ( [id] => 1036016 [patent_doc_number] => 06876511 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-05 [patent_title] => 'Disk drive and method of detecting servo address mark in the same' [patent_app_type] => utility [patent_app_number] => 10/624651 [patent_app_country] => US [patent_app_date] => 2003-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 8965 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 354 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/876/06876511.pdf [firstpage_image] =>[orig_patent_app_number] => 10624651 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/624651
Disk drive and method of detecting servo address mark in the same Jul 22, 2003 Issued
Array ( [id] => 7023945 [patent_doc_number] => 20050018339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-27 [patent_title] => 'Method and system for reducing power consumption in a rotatable media data storage device' [patent_app_type] => utility [patent_app_number] => 10/623673 [patent_app_country] => US [patent_app_date] => 2003-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3390 [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/A1/0018/20050018339.pdf [firstpage_image] =>[orig_patent_app_number] => 10623673 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/623673
Method and system for reducing power consumption in a rotatable media data storage device Jul 20, 2003 Issued
Array ( [id] => 7023946 [patent_doc_number] => 20050018340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-27 [patent_title] => 'Method and system for reducing power consumption in a rotatable media data storage device' [patent_app_type] => utility [patent_app_number] => 10/623874 [patent_app_country] => US [patent_app_date] => 2003-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3389 [patent_no_of_claims] => 7 [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/A1/0018/20050018340.pdf [firstpage_image] =>[orig_patent_app_number] => 10623874 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/623874
Method and system for reducing power consumption in a rotatable media data storage device Jul 20, 2003 Issued
Array ( [id] => 7462888 [patent_doc_number] => 20040120070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-24 [patent_title] => 'Multi-channel head position controlling apparatus and method of controlling position of multi-channel head' [patent_app_type] => new [patent_app_number] => 10/611758 [patent_app_country] => US [patent_app_date] => 2003-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4674 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0120/20040120070.pdf [firstpage_image] =>[orig_patent_app_number] => 10611758 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/611758
Multi-channel head position controlling apparatus and method of controlling position of multi-channel head Jun 30, 2003 Issued
Array ( [id] => 7426091 [patent_doc_number] => 20040001415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-01-01 [patent_title] => 'Manufacture of concentric patterns from spiral source' [patent_app_type] => new [patent_app_number] => 10/607311 [patent_app_country] => US [patent_app_date] => 2003-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5602 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0001/20040001415.pdf [firstpage_image] =>[orig_patent_app_number] => 10607311 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/607311
Manufacture of concentric patterns from spiral source Jun 26, 2003 Issued
Array ( [id] => 7619217 [patent_doc_number] => 06943972 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-09-13 [patent_title] => 'Selecting a track density for each disk surface of a disk drive based on head characteristic' [patent_app_type] => utility [patent_app_number] => 10/609066 [patent_app_country] => US [patent_app_date] => 2003-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2379 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/943/06943972.pdf [firstpage_image] =>[orig_patent_app_number] => 10609066 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/609066
Selecting a track density for each disk surface of a disk drive based on head characteristic Jun 26, 2003 Issued
Array ( [id] => 947153 [patent_doc_number] => 06965488 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-11-15 [patent_title] => 'Disk drive controlling ripple current of a voice coil motor when driven by a PWM driver' [patent_app_type] => utility [patent_app_number] => 10/609240 [patent_app_country] => US [patent_app_date] => 2003-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3070 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/965/06965488.pdf [firstpage_image] =>[orig_patent_app_number] => 10609240 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/609240
Disk drive controlling ripple current of a voice coil motor when driven by a PWM driver Jun 26, 2003 Issued
Array ( [id] => 7464477 [patent_doc_number] => 20040095671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-20 [patent_title] => 'Data storage device, recording medium, servo writing method, and data reading/writing method' [patent_app_type] => new [patent_app_number] => 10/601168 [patent_app_country] => US [patent_app_date] => 2003-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3175 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0095/20040095671.pdf [firstpage_image] =>[orig_patent_app_number] => 10601168 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/601168
Data storage device, recording medium, servo writing method, and data reading/writing method Jun 18, 2003 Issued
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