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] => 5003593 [patent_doc_number] => 20070201160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-30 [patent_title] => 'Positioning of a magnetic head in a magnetic data recording device using a multiple sensor array' [patent_app_type] => utility [patent_app_number] => 11/508538 [patent_app_country] => US [patent_app_date] => 2006-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 10195 [patent_no_of_claims] => 32 [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/A1/0201/20070201160.pdf [firstpage_image] =>[orig_patent_app_number] => 11508538 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/508538
Positioning of a magnetic head in a magnetic data recording device using a multiple sensor array Aug 21, 2006 Issued
Array ( [id] => 7743330 [patent_doc_number] => 08107182 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-31 [patent_title] => 'Systems and methods for accessing read channel registers using commands on data lines' [patent_app_type] => utility [patent_app_number] => 11/506436 [patent_app_country] => US [patent_app_date] => 2006-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4799 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/107/08107182.pdf [firstpage_image] =>[orig_patent_app_number] => 11506436 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/506436
Systems and methods for accessing read channel registers using commands on data lines Aug 17, 2006 Issued
Array ( [id] => 4668302 [patent_doc_number] => 20080043362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-21 [patent_title] => 'CERTIFYING CONCENTRIC DATA IN ECCENTRIC SERVO DATA TRACKS OF PRE-FORMATTED MEDIA' [patent_app_type] => utility [patent_app_number] => 11/506934 [patent_app_country] => US [patent_app_date] => 2006-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4015 [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/A1/0043/20080043362.pdf [firstpage_image] =>[orig_patent_app_number] => 11506934 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/506934
Certifying concentric data in eccentric servo data tracks of pre-formatted media Aug 17, 2006 Issued
Array ( [id] => 5209155 [patent_doc_number] => 20070247739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-25 [patent_title] => 'Information recording/reproduction apparatus, head levitation height control method and head levitation control circuit' [patent_app_type] => utility [patent_app_number] => 11/504589 [patent_app_country] => US [patent_app_date] => 2006-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4561 [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/A1/0247/20070247739.pdf [firstpage_image] =>[orig_patent_app_number] => 11504589 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/504589
Information recording/reproduction apparatus, head levitation height control method and head levitation control circuit Aug 15, 2006 Issued
Array ( [id] => 4649899 [patent_doc_number] => 20080037155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-14 [patent_title] => 'Reducing read/write head track misregistration' [patent_app_type] => utility [patent_app_number] => 11/502069 [patent_app_country] => US [patent_app_date] => 2006-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 7508 [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/A1/0037/20080037155.pdf [firstpage_image] =>[orig_patent_app_number] => 11502069 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/502069
Reducing read/write head track misregistration Aug 8, 2006 Issued
Array ( [id] => 44812 [patent_doc_number] => 07782564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-24 [patent_title] => 'Methods for enabling functionality in multi-modal data storage systems' [patent_app_type] => utility [patent_app_number] => 11/462330 [patent_app_country] => US [patent_app_date] => 2006-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 19 [patent_no_of_words] => 8970 [patent_no_of_claims] => 20 [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/07/782/07782564.pdf [firstpage_image] =>[orig_patent_app_number] => 11462330 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/462330
Methods for enabling functionality in multi-modal data storage systems Aug 2, 2006 Issued
Array ( [id] => 870610 [patent_doc_number] => 07365929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-04-29 [patent_title] => 'Synchronous servo channel for tape drive systems' [patent_app_type] => utility [patent_app_number] => 11/460987 [patent_app_country] => US [patent_app_date] => 2006-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 35 [patent_no_of_words] => 14692 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/365/07365929.pdf [firstpage_image] =>[orig_patent_app_number] => 11460987 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/460987
Synchronous servo channel for tape drive systems Jul 29, 2006 Issued
Array ( [id] => 4656038 [patent_doc_number] => 20080024899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-31 [patent_title] => 'DISK DRIVE WITH NONVOLATILE MEMORY HAVING MULTIPLE MODES OF OPERATION' [patent_app_type] => utility [patent_app_number] => 11/460247 [patent_app_country] => US [patent_app_date] => 2006-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4154 [patent_no_of_claims] => 18 [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/A1/0024/20080024899.pdf [firstpage_image] =>[orig_patent_app_number] => 11460247 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/460247
Disk drive with nonvolatile memory having multiple modes of operation Jul 26, 2006 Issued
Array ( [id] => 323576 [patent_doc_number] => 07518817 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-04-14 [patent_title] => 'Reduction of high-frequency electromagnetic emission quasi-peaks from disk drives' [patent_app_type] => utility [patent_app_number] => 11/484864 [patent_app_country] => US [patent_app_date] => 2006-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3947 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/518/07518817.pdf [firstpage_image] =>[orig_patent_app_number] => 11484864 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/484864
Reduction of high-frequency electromagnetic emission quasi-peaks from disk drives Jul 9, 2006 Issued
Array ( [id] => 4796277 [patent_doc_number] => 20080007863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-10 [patent_title] => 'Method and apparatus for single written-in Repeatable Run-Out correction function used in multi-stage actuation control of hard disk drive' [patent_app_type] => utility [patent_app_number] => 11/482535 [patent_app_country] => US [patent_app_date] => 2006-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 13761 [patent_no_of_claims] => 22 [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/A1/0007/20080007863.pdf [firstpage_image] =>[orig_patent_app_number] => 11482535 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/482535
Method and apparatus for single written-in Repeatable Run-Out correction function used in multi-stage actuation control of hard disk drive Jul 5, 2006 Issued
Array ( [id] => 416433 [patent_doc_number] => 07280309 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-09 [patent_title] => 'Access performance adjusting method and storage apparatus' [patent_app_type] => utility [patent_app_number] => 11/455500 [patent_app_country] => US [patent_app_date] => 2006-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6301 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/280/07280309.pdf [firstpage_image] =>[orig_patent_app_number] => 11455500 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/455500
Access performance adjusting method and storage apparatus Jun 18, 2006 Issued
Array ( [id] => 887443 [patent_doc_number] => 07352526 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-04-01 [patent_title] => 'Offset measurement method for magnetic recording head and magnetic recording/reproducing device' [patent_app_type] => utility [patent_app_number] => 11/455463 [patent_app_country] => US [patent_app_date] => 2006-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 8131 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/352/07352526.pdf [firstpage_image] =>[orig_patent_app_number] => 11455463 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/455463
Offset measurement method for magnetic recording head and magnetic recording/reproducing device Jun 18, 2006 Issued
Array ( [id] => 204418 [patent_doc_number] => 07633695 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-15 [patent_title] => 'Medium scan method for use in disk device' [patent_app_type] => utility [patent_app_number] => 11/454661 [patent_app_country] => US [patent_app_date] => 2006-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6351 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/633/07633695.pdf [firstpage_image] =>[orig_patent_app_number] => 11454661 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/454661
Medium scan method for use in disk device Jun 15, 2006 Issued
Array ( [id] => 409765 [patent_doc_number] => 07286318 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-10-23 [patent_title] => 'Optimization of position mode seeking of a disk drive head based on measured open loop actuator response' [patent_app_type] => utility [patent_app_number] => 11/454526 [patent_app_country] => US [patent_app_date] => 2006-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5976 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/286/07286318.pdf [firstpage_image] =>[orig_patent_app_number] => 11454526 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/454526
Optimization of position mode seeking of a disk drive head based on measured open loop actuator response Jun 15, 2006 Issued
Array ( [id] => 905821 [patent_doc_number] => 07336438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-26 [patent_title] => 'Write control method of hard disk drive, hard disk drive adapting the method and recording medium thereof' [patent_app_type] => utility [patent_app_number] => 11/452898 [patent_app_country] => US [patent_app_date] => 2006-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4940 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/336/07336438.pdf [firstpage_image] =>[orig_patent_app_number] => 11452898 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/452898
Write control method of hard disk drive, hard disk drive adapting the method and recording medium thereof Jun 14, 2006 Issued
Array ( [id] => 912569 [patent_doc_number] => 07330325 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-12 [patent_title] => 'Proactive fault monitoring of disk drives through phase-sensitive surveillance' [patent_app_type] => utility [patent_app_number] => 11/452702 [patent_app_country] => US [patent_app_date] => 2006-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4254 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/330/07330325.pdf [firstpage_image] =>[orig_patent_app_number] => 11452702 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/452702
Proactive fault monitoring of disk drives through phase-sensitive surveillance Jun 12, 2006 Issued
Array ( [id] => 433413 [patent_doc_number] => 07265929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-04 [patent_title] => 'Method of controlling an actuator, and disk apparatus using the same method' [patent_app_type] => utility [patent_app_number] => 11/451803 [patent_app_country] => US [patent_app_date] => 2006-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 26 [patent_no_of_words] => 11653 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/265/07265929.pdf [firstpage_image] =>[orig_patent_app_number] => 11451803 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/451803
Method of controlling an actuator, and disk apparatus using the same method Jun 12, 2006 Issued
Array ( [id] => 5129916 [patent_doc_number] => 20070206313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-06 [patent_title] => 'Magnetic disk apparatus' [patent_app_type] => utility [patent_app_number] => 11/450281 [patent_app_country] => US [patent_app_date] => 2006-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7562 [patent_no_of_claims] => 10 [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/A1/0206/20070206313.pdf [firstpage_image] =>[orig_patent_app_number] => 11450281 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/450281
Magnetic disk apparatus Jun 11, 2006 Issued
Array ( [id] => 850227 [patent_doc_number] => 07382570 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-06-03 [patent_title] => 'Dynamically controlling seek profile in an acceleration tracking seek controller' [patent_app_type] => utility [patent_app_number] => 11/450093 [patent_app_country] => US [patent_app_date] => 2006-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 7881 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/382/07382570.pdf [firstpage_image] =>[orig_patent_app_number] => 11450093 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/450093
Dynamically controlling seek profile in an acceleration tracking seek controller Jun 8, 2006 Issued
Array ( [id] => 433436 [patent_doc_number] => 07265937 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-09-04 [patent_title] => 'Positioning of a head array over a data storage medium' [patent_app_type] => utility [patent_app_number] => 11/450208 [patent_app_country] => US [patent_app_date] => 2006-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 23 [patent_no_of_words] => 7796 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/265/07265937.pdf [firstpage_image] =>[orig_patent_app_number] => 11450208 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/450208
Positioning of a head array over a data storage medium Jun 8, 2006 Issued
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