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] => 926286 [patent_doc_number] => 07317586 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-01-08 [patent_title] => 'Methods and structure for general purpose interval accumulating filter for measuring operational parameters of a digital read channel' [patent_app_type] => utility [patent_app_number] => 11/146909 [patent_app_country] => US [patent_app_date] => 2005-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6161 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/317/07317586.pdf [firstpage_image] =>[orig_patent_app_number] => 11146909 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/146909
Methods and structure for general purpose interval accumulating filter for measuring operational parameters of a digital read channel Jun 6, 2005 Issued
Array ( [id] => 610257 [patent_doc_number] => 07151643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-19 [patent_title] => 'Apparatus and method for protecting a disk drive in a hardcopy device' [patent_app_type] => utility [patent_app_number] => 11/111918 [patent_app_country] => US [patent_app_date] => 2005-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2713 [patent_no_of_claims] => 18 [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/07/151/07151643.pdf [firstpage_image] =>[orig_patent_app_number] => 11111918 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/111918
Apparatus and method for protecting a disk drive in a hardcopy device Apr 21, 2005 Issued
Array ( [id] => 409764 [patent_doc_number] => 07286317 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-10-23 [patent_title] => 'Disk drive that compensates for repeatable runout of a disk based on measured timing between servo information and methods thereof' [patent_app_type] => utility [patent_app_number] => 11/112391 [patent_app_country] => US [patent_app_date] => 2005-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6445 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/286/07286317.pdf [firstpage_image] =>[orig_patent_app_number] => 11112391 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/112391
Disk drive that compensates for repeatable runout of a disk based on measured timing between servo information and methods thereof Apr 21, 2005 Issued
Array ( [id] => 6976440 [patent_doc_number] => 20050286155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-29 [patent_title] => 'Magnetic recording and reproducing apparatus and magnetic recording medium' [patent_app_type] => utility [patent_app_number] => 11/111943 [patent_app_country] => US [patent_app_date] => 2005-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 51 [patent_no_of_words] => 12657 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0286/20050286155.pdf [firstpage_image] =>[orig_patent_app_number] => 11111943 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/111943
Magnetic recording and reproducing apparatus and magnetic recording medium Apr 21, 2005 Issued
Array ( [id] => 489666 [patent_doc_number] => 07218469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-15 [patent_title] => 'Reel driving apparatus and magnetic recording and reproducing device having the same' [patent_app_type] => utility [patent_app_number] => 11/110816 [patent_app_country] => US [patent_app_date] => 2005-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3900 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/218/07218469.pdf [firstpage_image] =>[orig_patent_app_number] => 11110816 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/110816
Reel driving apparatus and magnetic recording and reproducing device having the same Apr 20, 2005 Issued
Array ( [id] => 441195 [patent_doc_number] => 07259931 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-21 [patent_title] => 'Slider design for high fly write immunity' [patent_app_type] => utility [patent_app_number] => 11/108329 [patent_app_country] => US [patent_app_date] => 2005-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6173 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/259/07259931.pdf [firstpage_image] =>[orig_patent_app_number] => 11108329 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/108329
Slider design for high fly write immunity Apr 17, 2005 Issued
Array ( [id] => 511579 [patent_doc_number] => 07203025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-04-10 [patent_title] => 'Magnetic recording medium, magnetic head, and magnetic recording and reproducing device' [patent_app_type] => utility [patent_app_number] => 11/107926 [patent_app_country] => US [patent_app_date] => 2005-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 7023 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/203/07203025.pdf [firstpage_image] =>[orig_patent_app_number] => 11107926 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/107926
Magnetic recording medium, magnetic head, and magnetic recording and reproducing device Apr 17, 2005 Issued
Array ( [id] => 850222 [patent_doc_number] => 07382565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-06-03 [patent_title] => 'Method to avoid contact between the head and disk protrusions' [patent_app_type] => utility [patent_app_number] => 11/103993 [patent_app_country] => US [patent_app_date] => 2005-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1448 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/382/07382565.pdf [firstpage_image] =>[orig_patent_app_number] => 11103993 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/103993
Method to avoid contact between the head and disk protrusions Apr 10, 2005 Issued
Array ( [id] => 5856136 [patent_doc_number] => 20060227449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-10-12 [patent_title] => 'METHOD AND APPARATUS FOR OPTIMIZING RECORD QUALITY WITH VARYING TRACK AND LINEAR DENSITY BY ALLOWING OVERLAPPING DATA TRACKS' [patent_app_type] => utility [patent_app_number] => 11/104209 [patent_app_country] => US [patent_app_date] => 2005-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6963 [patent_no_of_claims] => 9 [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/A1/0227/20060227449.pdf [firstpage_image] =>[orig_patent_app_number] => 11104209 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/104209
Method and apparatus for optimizing record quality with varying track and linear density by allowing overlapping data tracks Apr 10, 2005 Issued
Array ( [id] => 346046 [patent_doc_number] => 07499236 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-03-03 [patent_title] => 'Calibrating correlation between PES and off-track displacement by processing high frequency signal in spiral track' [patent_app_type] => utility [patent_app_number] => 11/101910 [patent_app_country] => US [patent_app_date] => 2005-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 6387 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/499/07499236.pdf [firstpage_image] =>[orig_patent_app_number] => 11101910 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/101910
Calibrating correlation between PES and off-track displacement by processing high frequency signal in spiral track Apr 7, 2005 Issued
Array ( [id] => 475368 [patent_doc_number] => 07230789 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-06-12 [patent_title] => 'Method and apparatus for performing a self-servo write operation in a disk drive using spiral servo information' [patent_app_type] => utility [patent_app_number] => 11/102467 [patent_app_country] => US [patent_app_date] => 2005-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 9232 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/230/07230789.pdf [firstpage_image] =>[orig_patent_app_number] => 11102467 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/102467
Method and apparatus for performing a self-servo write operation in a disk drive using spiral servo information Apr 7, 2005 Issued
Array ( [id] => 524898 [patent_doc_number] => 07193797 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-03-20 [patent_title] => 'Method and apparatus for detecting and monitoring a bi-state head when self-servowriting a disk drive using spiral servo information' [patent_app_type] => utility [patent_app_number] => 11/102470 [patent_app_country] => US [patent_app_date] => 2005-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 9319 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/193/07193797.pdf [firstpage_image] =>[orig_patent_app_number] => 11102470 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/102470
Method and apparatus for detecting and monitoring a bi-state head when self-servowriting a disk drive using spiral servo information Apr 7, 2005 Issued
Array ( [id] => 380617 [patent_doc_number] => 07310194 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-12-18 [patent_title] => 'System for monitoring and dynamically adjusting head-to-disk spacing in a disk drive' [patent_app_type] => utility [patent_app_number] => 11/101089 [patent_app_country] => US [patent_app_date] => 2005-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 10970 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/310/07310194.pdf [firstpage_image] =>[orig_patent_app_number] => 11101089 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/101089
System for monitoring and dynamically adjusting head-to-disk spacing in a disk drive Apr 6, 2005 Issued
Array ( [id] => 6964948 [patent_doc_number] => 20050231845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-20 [patent_title] => 'Recording medium, servo signal reproducing method, and servo signal recording method' [patent_app_type] => utility [patent_app_number] => 11/094483 [patent_app_country] => US [patent_app_date] => 2005-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9270 [patent_no_of_claims] => 27 [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/A1/0231/20050231845.pdf [firstpage_image] =>[orig_patent_app_number] => 11094483 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/094483
Recording medium, servo signal reproducing method, and servo signal recording method Mar 30, 2005 Abandoned
Array ( [id] => 6964944 [patent_doc_number] => 20050231841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-20 [patent_title] => 'Magnetic alignment marking of hard disks' [patent_app_type] => utility [patent_app_number] => 11/095825 [patent_app_country] => US [patent_app_date] => 2005-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4438 [patent_no_of_claims] => 17 [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/A1/0231/20050231841.pdf [firstpage_image] =>[orig_patent_app_number] => 11095825 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/095825
Magnetic alignment marking of hard disks Mar 29, 2005 Issued
Array ( [id] => 416407 [patent_doc_number] => 07280300 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-10-09 [patent_title] => 'Write driver circuit for magnetic data storage systems' [patent_app_type] => utility [patent_app_number] => 11/091225 [patent_app_country] => US [patent_app_date] => 2005-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 4527 [patent_no_of_claims] => 63 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/280/07280300.pdf [firstpage_image] =>[orig_patent_app_number] => 11091225 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/091225
Write driver circuit for magnetic data storage systems Mar 27, 2005 Issued
Array ( [id] => 448875 [patent_doc_number] => 07253989 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-08-07 [patent_title] => 'Disk drive compensation of bias imparted by a flex circuit cable utilizing a dual bias curve estimation scheme' [patent_app_type] => utility [patent_app_number] => 11/086814 [patent_app_country] => US [patent_app_date] => 2005-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6025 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/253/07253989.pdf [firstpage_image] =>[orig_patent_app_number] => 11086814 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/086814
Disk drive compensation of bias imparted by a flex circuit cable utilizing a dual bias curve estimation scheme Mar 20, 2005 Issued
Array ( [id] => 6957083 [patent_doc_number] => 20050213453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-29 [patent_title] => 'Disk playback apparatus and disk acceleratiion adjusting method' [patent_app_type] => utility [patent_app_number] => 11/082654 [patent_app_country] => US [patent_app_date] => 2005-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4937 [patent_no_of_claims] => 11 [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/A1/0213/20050213453.pdf [firstpage_image] =>[orig_patent_app_number] => 11082654 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/082654
Disk playback apparatus and disk acceleratiion adjusting method Mar 17, 2005 Abandoned
Array ( [id] => 567746 [patent_doc_number] => 07161761 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-09 [patent_title] => 'Magnetic disk drive with feedback control' [patent_app_type] => utility [patent_app_number] => 11/083887 [patent_app_country] => US [patent_app_date] => 2005-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4111 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/161/07161761.pdf [firstpage_image] =>[orig_patent_app_number] => 11083887 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/083887
Magnetic disk drive with feedback control Mar 17, 2005 Issued
Array ( [id] => 544340 [patent_doc_number] => 07173782 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-06 [patent_title] => 'Magnetic disk drive and refresh method' [patent_app_type] => utility [patent_app_number] => 11/084770 [patent_app_country] => US [patent_app_date] => 2005-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 7309 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/173/07173782.pdf [firstpage_image] =>[orig_patent_app_number] => 11084770 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/084770
Magnetic disk drive and refresh method Mar 16, 2005 Issued
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