Search

Allen T. Cao

Examiner (ID: 13914, Phone: (571)272-7569 , Office: P/2686 )

Most Active Art Unit
2627
Art Unit(s)
2754, 2687, 2686, 2652, 2512, 2688, 2627
Total Applications
2434
Issued Applications
2130
Pending Applications
56
Abandoned Applications
253

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9458824 [patent_doc_number] => 08719851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-06 [patent_title] => 'Data storage device' [patent_app_type] => utility [patent_app_number] => 13/444289 [patent_app_country] => US [patent_app_date] => 2012-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 25 [patent_no_of_words] => 11355 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13444289 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/444289
Data storage device Apr 10, 2012 Issued
Array ( [id] => 8443653 [patent_doc_number] => 20120260270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-10-11 [patent_title] => 'DISK DRIVE WITH ENHANCED LEAD SCREW' [patent_app_type] => utility [patent_app_number] => 13/441093 [patent_app_country] => US [patent_app_date] => 2012-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4541 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13441093 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/441093
Disk drive with enhanced lead screw Apr 5, 2012 Issued
Array ( [id] => 8924171 [patent_doc_number] => 08490121 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-07-16 [patent_title] => 'Slim-type optical disc drive' [patent_app_type] => utility [patent_app_number] => 13/441111 [patent_app_country] => US [patent_app_date] => 2012-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 3319 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13441111 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/441111
Slim-type optical disc drive Apr 5, 2012 Issued
Array ( [id] => 8443656 [patent_doc_number] => 20120260269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-10-11 [patent_title] => 'DISC DRIVE WITH LOCK RELEASE UNIT' [patent_app_type] => utility [patent_app_number] => 13/441073 [patent_app_country] => US [patent_app_date] => 2012-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4261 [patent_no_of_claims] => 15 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13441073 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/441073
Disc drive with lock release unit Apr 5, 2012 Issued
Array ( [id] => 8326073 [patent_doc_number] => 20120198486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-02 [patent_title] => 'MEDIA PROCESSING DEVICE AND CONTROL METHOD FOR A MEDIA PROCESSING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/439252 [patent_app_country] => US [patent_app_date] => 2012-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5314 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13439252 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/439252
Media processing device and control method for a media processing device Apr 3, 2012 Issued
Array ( [id] => 8443654 [patent_doc_number] => 20120260271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-10-11 [patent_title] => 'GROUND UNIT AND DISK DRIVE HAVING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/438896 [patent_app_country] => US [patent_app_date] => 2012-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3089 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13438896 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/438896
Ground unit and disk drive having the same Apr 3, 2012 Issued
Array ( [id] => 8714585 [patent_doc_number] => 08400729 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-03-19 [patent_title] => 'Method of manufacturing motor, motor, and disk drive apparatus' [patent_app_type] => utility [patent_app_number] => 13/437103 [patent_app_country] => US [patent_app_date] => 2012-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5568 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13437103 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/437103
Method of manufacturing motor, motor, and disk drive apparatus Apr 1, 2012 Issued
Array ( [id] => 9010831 [patent_doc_number] => 08526140 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-03 [patent_title] => 'Reverse flow preventer unit' [patent_app_type] => utility [patent_app_number] => 13/435684 [patent_app_country] => US [patent_app_date] => 2012-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3972 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13435684 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/435684
Reverse flow preventer unit Mar 29, 2012 Issued
Array ( [id] => 8996441 [patent_doc_number] => 08520337 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-08-27 [patent_title] => 'Perpendicular magnetic recording writer pole with leading and trailing bevel side wall angles at air bearing surface' [patent_app_type] => utility [patent_app_number] => 13/436712 [patent_app_country] => US [patent_app_date] => 2012-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2651 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13436712 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/436712
Perpendicular magnetic recording writer pole with leading and trailing bevel side wall angles at air bearing surface Mar 29, 2012 Issued
Array ( [id] => 9128560 [patent_doc_number] => 08576515 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-05 [patent_title] => 'Thin film structure with controlled lateral thermal spreading in the thin film' [patent_app_type] => utility [patent_app_number] => 13/435793 [patent_app_country] => US [patent_app_date] => 2012-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 3079 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13435793 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/435793
Thin film structure with controlled lateral thermal spreading in the thin film Mar 29, 2012 Issued
Array ( [id] => 9066762 [patent_doc_number] => 20130258518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'PATTERNED STORAGE MEDIUM' [patent_app_type] => utility [patent_app_number] => 13/435849 [patent_app_country] => US [patent_app_date] => 2012-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9466 [patent_no_of_claims] => 29 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13435849 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/435849
Patterned storage medium Mar 29, 2012 Issued
Array ( [id] => 8933983 [patent_doc_number] => 08493693 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-07-23 [patent_title] => 'Perpendicular magnetic recording transducer with AFM insertion layer' [patent_app_type] => utility [patent_app_number] => 13/436694 [patent_app_country] => US [patent_app_date] => 2012-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2659 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13436694 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/436694
Perpendicular magnetic recording transducer with AFM insertion layer Mar 29, 2012 Issued
Array ( [id] => 8957343 [patent_doc_number] => 08503129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-06 [patent_title] => 'Library device' [patent_app_type] => utility [patent_app_number] => 13/434683 [patent_app_country] => US [patent_app_date] => 2012-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 5701 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13434683 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/434683
Library device Mar 28, 2012 Issued
Array ( [id] => 9234209 [patent_doc_number] => 08599518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-03 [patent_title] => 'Head-cleaning device and head-cleaning method' [patent_app_type] => utility [patent_app_number] => 13/434102 [patent_app_country] => US [patent_app_date] => 2012-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 4486 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13434102 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/434102
Head-cleaning device and head-cleaning method Mar 28, 2012 Issued
Array ( [id] => 8922329 [patent_doc_number] => 08488272 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-07-16 [patent_title] => 'Magnetic recording transducer having side shields' [patent_app_type] => utility [patent_app_number] => 13/433587 [patent_app_country] => US [patent_app_date] => 2012-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 28 [patent_no_of_words] => 5284 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13433587 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/433587
Magnetic recording transducer having side shields Mar 28, 2012 Issued
Array ( [id] => 8859915 [patent_doc_number] => 08462460 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-06-11 [patent_title] => 'Shock mount and retainer for a disk drive enclosure' [patent_app_type] => utility [patent_app_number] => 13/434772 [patent_app_country] => US [patent_app_date] => 2012-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1810 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13434772 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/434772
Shock mount and retainer for a disk drive enclosure Mar 28, 2012 Issued
Array ( [id] => 8369272 [patent_doc_number] => 20120218667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-30 [patent_title] => 'MAGNETIC OSCILLATOR' [patent_app_type] => utility [patent_app_number] => 13/430074 [patent_app_country] => US [patent_app_date] => 2012-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6703 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13430074 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/430074
Magnetic oscillator Mar 25, 2012 Issued
Array ( [id] => 9075773 [patent_doc_number] => 08553357 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-10-08 [patent_title] => 'Cooling of hard disk drives with separate mechanical module and drive control module' [patent_app_type] => utility [patent_app_number] => 13/430298 [patent_app_country] => US [patent_app_date] => 2012-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 22 [patent_no_of_words] => 11228 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13430298 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/430298
Cooling of hard disk drives with separate mechanical module and drive control module Mar 25, 2012 Issued
Array ( [id] => 8859920 [patent_doc_number] => 08462465 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-06-11 [patent_title] => 'Head gimbal assembly for microwave-assisted magnetic recording in impedance matching between microwave radiation element and microwave transmission line' [patent_app_type] => utility [patent_app_number] => 13/428710 [patent_app_country] => US [patent_app_date] => 2012-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 6172 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13428710 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/428710
Head gimbal assembly for microwave-assisted magnetic recording in impedance matching between microwave radiation element and microwave transmission line Mar 22, 2012 Issued
Array ( [id] => 8428305 [patent_doc_number] => 20120250180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-10-04 [patent_title] => 'MAGNETIC HEAD' [patent_app_type] => utility [patent_app_number] => 13/428353 [patent_app_country] => US [patent_app_date] => 2012-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5609 [patent_no_of_claims] => 5 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13428353 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/428353
Magnetic head Mar 22, 2012 Issued
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