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] => 8415620 [patent_doc_number] => 20120243120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-27 [patent_title] => 'MAGNETIC TAPE AND METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/427635 [patent_app_country] => US [patent_app_date] => 2012-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10358 [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] => 13427635 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/427635
Magnetic tape and method of manufacturing the same, and magnetic recording device Mar 21, 2012 Issued
Array ( [id] => 8625986 [patent_doc_number] => 08358485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-01-22 [patent_title] => 'Housing member for use in disk drive apparatus, motor unit, disk drive apparatus, and method of manufacturing housing member' [patent_app_type] => utility [patent_app_number] => 13/423328 [patent_app_country] => US [patent_app_date] => 2012-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7117 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13423328 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/423328
Housing member for use in disk drive apparatus, motor unit, disk drive apparatus, and method of manufacturing housing member Mar 18, 2012 Issued
Array ( [id] => 9346406 [patent_doc_number] => 08665559 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-04 [patent_title] => 'Magnetic head' [patent_app_type] => utility [patent_app_number] => 13/423761 [patent_app_country] => US [patent_app_date] => 2012-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1856 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13423761 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/423761
Magnetic head Mar 18, 2012 Issued
Array ( [id] => 8889932 [patent_doc_number] => 20130163116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'SPINDLE MOTOR' [patent_app_type] => utility [patent_app_number] => 13/422660 [patent_app_country] => US [patent_app_date] => 2012-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7107 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13422660 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/422660
Spindle motor Mar 15, 2012 Issued
Array ( [id] => 8785784 [patent_doc_number] => 08432636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-30 [patent_title] => 'Data storage heater systems with diodes' [patent_app_type] => utility [patent_app_number] => 13/421507 [patent_app_country] => US [patent_app_date] => 2012-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5519 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13421507 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/421507
Data storage heater systems with diodes Mar 14, 2012 Issued
Array ( [id] => 9114501 [patent_doc_number] => 08570686 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-29 [patent_title] => 'Magnetic recording head with non-conformal side shield gap' [patent_app_type] => utility [patent_app_number] => 13/419283 [patent_app_country] => US [patent_app_date] => 2012-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 6316 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13419283 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/419283
Magnetic recording head with non-conformal side shield gap Mar 12, 2012 Issued
Array ( [id] => 9039794 [patent_doc_number] => 20130242432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'RECORDING HEAD COIL STRUCTURE' [patent_app_type] => utility [patent_app_number] => 13/419017 [patent_app_country] => US [patent_app_date] => 2012-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5278 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [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] => 13419017 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/419017
Recording head coil structure Mar 12, 2012 Issued
Array ( [id] => 8933975 [patent_doc_number] => 08493685 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-23 [patent_title] => 'Base assembly for motor and hard disk drive including the same' [patent_app_type] => utility [patent_app_number] => 13/418873 [patent_app_country] => US [patent_app_date] => 2012-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 4542 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13418873 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/418873
Base assembly for motor and hard disk drive including the same Mar 12, 2012 Issued
Array ( [id] => 8897923 [patent_doc_number] => 08477450 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-02 [patent_title] => 'Base for motor and hard disk drive including the same' [patent_app_type] => utility [patent_app_number] => 13/417860 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3971 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13417860 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/417860
Base for motor and hard disk drive including the same Mar 11, 2012 Issued
Array ( [id] => 8897924 [patent_doc_number] => 08477451 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-02 [patent_title] => 'Shroud integrated cover and hard disk drive including the same' [patent_app_type] => utility [patent_app_number] => 13/417873 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4665 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13417873 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/417873
Shroud integrated cover and hard disk drive including the same Mar 11, 2012 Issued
Array ( [id] => 8877166 [patent_doc_number] => 08472135 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-06-25 [patent_title] => 'Microwave-assisted magnetic recording head having a current confinement structure' [patent_app_type] => utility [patent_app_number] => 13/416784 [patent_app_country] => US [patent_app_date] => 2012-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 33 [patent_no_of_words] => 7722 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13416784 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/416784
Microwave-assisted magnetic recording head having a current confinement structure Mar 8, 2012 Issued
Array ( [id] => 9217254 [patent_doc_number] => 08630060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-14 [patent_title] => 'Thermally enabled exchange coupled media for magnetic data recording' [patent_app_type] => utility [patent_app_number] => 13/417032 [patent_app_country] => US [patent_app_date] => 2012-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3448 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13417032 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/417032
Thermally enabled exchange coupled media for magnetic data recording Mar 8, 2012 Issued
Array ( [id] => 8392093 [patent_doc_number] => 20120229933 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => 'HARD DISK DRIVE SLIDER' [patent_app_type] => utility [patent_app_number] => 13/415300 [patent_app_country] => US [patent_app_date] => 2012-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5120 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13415300 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/415300
Hard disk drive slider Mar 7, 2012 Issued
Array ( [id] => 8852142 [patent_doc_number] => 20130141817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'STORAGE DEVICE' [patent_app_type] => utility [patent_app_number] => 13/398900 [patent_app_country] => US [patent_app_date] => 2012-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5895 [patent_no_of_claims] => 10 [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] => 13398900 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/398900
Storage device Feb 16, 2012 Issued
Array ( [id] => 8459337 [patent_doc_number] => 08295013 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-10-23 [patent_title] => 'Disk drive head stack assembly having a flexible printed circuit with heat transfer limiting features' [patent_app_type] => utility [patent_app_number] => 13/398578 [patent_app_country] => US [patent_app_date] => 2012-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8294 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13398578 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/398578
Disk drive head stack assembly having a flexible printed circuit with heat transfer limiting features Feb 15, 2012 Issued
Array ( [id] => 8436742 [patent_doc_number] => 08284517 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-10-09 [patent_title] => 'Perpendicular magnetic recording head' [patent_app_type] => utility [patent_app_number] => 13/372775 [patent_app_country] => US [patent_app_date] => 2012-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 3818 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13372775 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/372775
Perpendicular magnetic recording head Feb 13, 2012 Issued
Array ( [id] => 8534626 [patent_doc_number] => 08310785 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-11-13 [patent_title] => 'Perpendicular magnetic recording head' [patent_app_type] => utility [patent_app_number] => 13/372316 [patent_app_country] => US [patent_app_date] => 2012-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 3341 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13372316 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/372316
Perpendicular magnetic recording head Feb 12, 2012 Issued
Array ( [id] => 8847590 [patent_doc_number] => 08456780 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-06-04 [patent_title] => 'Uncoupled piezoelectric milli-actuator assembly' [patent_app_type] => utility [patent_app_number] => 13/370947 [patent_app_country] => US [patent_app_date] => 2012-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4874 [patent_no_of_claims] => 18 [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] => 13370947 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/370947
Uncoupled piezoelectric milli-actuator assembly Feb 9, 2012 Issued
Array ( [id] => 8364983 [patent_doc_number] => 08254057 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-08-28 [patent_title] => 'Detecting wedge angle with a third electric lapping guide (ELG) during manufacture of a magnetic head' [patent_app_type] => utility [patent_app_number] => 13/369199 [patent_app_country] => US [patent_app_date] => 2012-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 24 [patent_no_of_words] => 7690 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [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] => 13369199 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/369199
Detecting wedge angle with a third electric lapping guide (ELG) during manufacture of a magnetic head Feb 7, 2012 Issued
Array ( [id] => 8346618 [patent_doc_number] => 20120207539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-16 [patent_title] => 'CARTRIDGE MISINSERTION PREVENTING MECHANISM AND MAGNETIC TAPE LIBRARY DEVICE CELL' [patent_app_type] => utility [patent_app_number] => 13/367962 [patent_app_country] => US [patent_app_date] => 2012-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9012 [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] => 13367962 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/367962
Cartridge misinsertion preventing mechanism and magnetic tape library device cell Feb 6, 2012 Issued
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