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] => 170725 [patent_doc_number] => 07667919 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-02-23 [patent_title] => 'Systems and methods for identifying pushpin resonance mode for a servo track writer' [patent_app_type] => utility [patent_app_number] => 11/542687 [patent_app_country] => US [patent_app_date] => 2006-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6968 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/667/07667919.pdf [firstpage_image] =>[orig_patent_app_number] => 11542687 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/542687
Systems and methods for identifying pushpin resonance mode for a servo track writer Oct 1, 2006 Issued
Array ( [id] => 909764 [patent_doc_number] => 07333286 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-19 [patent_title] => 'Method of writing a reference servo signal of hard disk drive and apparatus suitable therefor' [patent_app_type] => utility [patent_app_number] => 11/528547 [patent_app_country] => US [patent_app_date] => 2006-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 7794 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/333/07333286.pdf [firstpage_image] =>[orig_patent_app_number] => 11528547 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/528547
Method of writing a reference servo signal of hard disk drive and apparatus suitable therefor Sep 27, 2006 Issued
Array ( [id] => 909780 [patent_doc_number] => 07333291 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-02-19 [patent_title] => 'System and method for reducing tracking noise in a tape drive' [patent_app_type] => utility [patent_app_number] => 11/529095 [patent_app_country] => US [patent_app_date] => 2006-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3199 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/333/07333291.pdf [firstpage_image] =>[orig_patent_app_number] => 11529095 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/529095
System and method for reducing tracking noise in a tape drive Sep 27, 2006 Issued
Array ( [id] => 4963997 [patent_doc_number] => 20080106817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-08 [patent_title] => 'Multiple sinusoidal seek servo system for reducing seek acoustics and seek time in hard disk drives' [patent_app_type] => utility [patent_app_number] => 11/528960 [patent_app_country] => US [patent_app_date] => 2006-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4096 [patent_no_of_claims] => 14 [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/A1/0106/20080106817.pdf [firstpage_image] =>[orig_patent_app_number] => 11528960 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/528960
Multiple sinusoidal seek servo system for reducing seek acoustics and seek time in hard disk drives Sep 26, 2006 Issued
Array ( [id] => 387446 [patent_doc_number] => 07304817 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-12-04 [patent_title] => 'Jerk controlled seek system' [patent_app_type] => utility [patent_app_number] => 11/529641 [patent_app_country] => US [patent_app_date] => 2006-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1935 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/304/07304817.pdf [firstpage_image] =>[orig_patent_app_number] => 11529641 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/529641
Jerk controlled seek system Sep 26, 2006 Issued
Array ( [id] => 275195 [patent_doc_number] => 07561365 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Disk drive and control method thereof' [patent_app_type] => utility [patent_app_number] => 11/527899 [patent_app_country] => US [patent_app_date] => 2006-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11045 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/561/07561365.pdf [firstpage_image] =>[orig_patent_app_number] => 11527899 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/527899
Disk drive and control method thereof Sep 25, 2006 Issued
Array ( [id] => 5223828 [patent_doc_number] => 20070253094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-01 [patent_title] => 'Head position control method, head position control device and disk device' [patent_app_type] => utility [patent_app_number] => 11/526781 [patent_app_country] => US [patent_app_date] => 2006-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6034 [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/A1/0253/20070253094.pdf [firstpage_image] =>[orig_patent_app_number] => 11526781 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/526781
Head position control method, head position control device and disk device Sep 24, 2006 Issued
Array ( [id] => 5027163 [patent_doc_number] => 20070268609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-22 [patent_title] => 'Control device of storage/reproduction mechanism' [patent_app_type] => utility [patent_app_number] => 11/526524 [patent_app_country] => US [patent_app_date] => 2006-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3224 [patent_no_of_claims] => 6 [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/A1/0268/20070268609.pdf [firstpage_image] =>[orig_patent_app_number] => 11526524 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/526524
Control device of storage/reproduction mechanism Sep 24, 2006 Issued
Array ( [id] => 577408 [patent_doc_number] => 07466509 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-12-16 [patent_title] => 'Disk drive operable with first and second servo patterns in a perpendicular media recording environment' [patent_app_type] => utility [patent_app_number] => 11/525406 [patent_app_country] => US [patent_app_date] => 2006-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 8968 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/466/07466509.pdf [firstpage_image] =>[orig_patent_app_number] => 11525406 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/525406
Disk drive operable with first and second servo patterns in a perpendicular media recording environment Sep 21, 2006 Issued
Array ( [id] => 844764 [patent_doc_number] => 07388728 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-06-17 [patent_title] => 'System and method for writing servo sectors in a perpendicular media recording environment' [patent_app_type] => utility [patent_app_number] => 11/525411 [patent_app_country] => US [patent_app_date] => 2006-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 8800 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/388/07388728.pdf [firstpage_image] =>[orig_patent_app_number] => 11525411 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/525411
System and method for writing servo sectors in a perpendicular media recording environment Sep 21, 2006 Issued
Array ( [id] => 391122 [patent_doc_number] => 07301719 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-11-27 [patent_title] => 'Clearance sweep test' [patent_app_type] => utility [patent_app_number] => 11/525292 [patent_app_country] => US [patent_app_date] => 2006-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2110 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/301/07301719.pdf [firstpage_image] =>[orig_patent_app_number] => 11525292 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/525292
Clearance sweep test Sep 20, 2006 Issued
Array ( [id] => 4587139 [patent_doc_number] => 07835104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-16 [patent_title] => 'Storage device, control method, control device, and program' [patent_app_type] => utility [patent_app_number] => 11/524075 [patent_app_country] => US [patent_app_date] => 2006-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 32 [patent_no_of_words] => 13761 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/835/07835104.pdf [firstpage_image] =>[orig_patent_app_number] => 11524075 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/524075
Storage device, control method, control device, and program Sep 19, 2006 Issued
Array ( [id] => 5234992 [patent_doc_number] => 20070127148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-07 [patent_title] => 'Apparatus and method for detecting contact between head and recording medium, and method for manufacturing head' [patent_app_type] => utility [patent_app_number] => 11/523645 [patent_app_country] => US [patent_app_date] => 2006-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 18553 [patent_no_of_claims] => 18 [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/A1/0127/20070127148.pdf [firstpage_image] =>[orig_patent_app_number] => 11523645 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/523645
Apparatus and method for detecting contact between head and recording medium, and method for manufacturing head Sep 19, 2006 Abandoned
Array ( [id] => 926288 [patent_doc_number] => 07317588 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-08 [patent_title] => 'Storage device, data-assurance control device, and data assurance method' [patent_app_type] => utility [patent_app_number] => 11/524074 [patent_app_country] => US [patent_app_date] => 2006-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5741 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/317/07317588.pdf [firstpage_image] =>[orig_patent_app_number] => 11524074 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/524074
Storage device, data-assurance control device, and data assurance method Sep 19, 2006 Issued
Array ( [id] => 275201 [patent_doc_number] => 07561371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Magnetic disk device, servo-information writing device, magnetic disk, and magnetic disk device manufacturing method' [patent_app_type] => utility [patent_app_number] => 11/523478 [patent_app_country] => US [patent_app_date] => 2006-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 5575 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/561/07561371.pdf [firstpage_image] =>[orig_patent_app_number] => 11523478 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/523478
Magnetic disk device, servo-information writing device, magnetic disk, and magnetic disk device manufacturing method Sep 18, 2006 Issued
Array ( [id] => 5090375 [patent_doc_number] => 20070230014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'Storage device, control device, control method, and program' [patent_app_type] => utility [patent_app_number] => 11/522684 [patent_app_country] => US [patent_app_date] => 2006-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 14748 [patent_no_of_claims] => 20 [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/A1/0230/20070230014.pdf [firstpage_image] =>[orig_patent_app_number] => 11522684 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/522684
Storage device, control device, control method, and program Sep 17, 2006 Issued
Array ( [id] => 323573 [patent_doc_number] => 07518814 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-14 [patent_title] => 'Magnetic head tester and method of manufacturing magnetic disk drive' [patent_app_type] => utility [patent_app_number] => 11/515268 [patent_app_country] => US [patent_app_date] => 2006-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5214 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/518/07518814.pdf [firstpage_image] =>[orig_patent_app_number] => 11515268 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/515268
Magnetic head tester and method of manufacturing magnetic disk drive Aug 31, 2006 Issued
Array ( [id] => 275202 [patent_doc_number] => 07561372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'System and method for writing data to magnetic tape' [patent_app_type] => utility [patent_app_number] => 11/469328 [patent_app_country] => US [patent_app_date] => 2006-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9314 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/561/07561372.pdf [firstpage_image] =>[orig_patent_app_number] => 11469328 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/469328
System and method for writing data to magnetic tape Aug 30, 2006 Issued
Array ( [id] => 5246153 [patent_doc_number] => 20070242387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-18 [patent_title] => 'Positioning control circuit, measurement apparatus for trace information and related method' [patent_app_type] => utility [patent_app_number] => 11/509124 [patent_app_country] => US [patent_app_date] => 2006-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 10937 [patent_no_of_claims] => 14 [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/A1/0242/20070242387.pdf [firstpage_image] =>[orig_patent_app_number] => 11509124 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/509124
Positioning control circuit, measurement apparatus for trace information and related method Aug 23, 2006 Issued
Array ( [id] => 4732377 [patent_doc_number] => 20080049356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-28 [patent_title] => 'Servo pattern with encoded data' [patent_app_type] => utility [patent_app_number] => 11/508508 [patent_app_country] => US [patent_app_date] => 2006-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5546 [patent_no_of_claims] => 24 [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/A1/0049/20080049356.pdf [firstpage_image] =>[orig_patent_app_number] => 11508508 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/508508
Servo pattern with encoded data Aug 22, 2006 Issued
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