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] => 4674603 [patent_doc_number] => 20080212231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-04 [patent_title] => 'Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium' [patent_app_type] => utility [patent_app_number] => 12/003919 [patent_app_country] => US [patent_app_date] => 2008-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 14553 [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/A1/0212/20080212231.pdf [firstpage_image] =>[orig_patent_app_number] => 12003919 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/003919
Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium Jan 2, 2008 Issued
Array ( [id] => 5433682 [patent_doc_number] => 20090168268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-02 [patent_title] => 'Dedicated noncorrosive smear detector' [patent_app_type] => utility [patent_app_number] => 12/006296 [patent_app_country] => US [patent_app_date] => 2007-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5351 [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/A1/0168/20090168268.pdf [firstpage_image] =>[orig_patent_app_number] => 12006296 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/006296
Dedicated noncorrosive smear detector Dec 30, 2007 Issued
Array ( [id] => 4892091 [patent_doc_number] => 20080101188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-01 [patent_title] => 'OPTICAL RECORDING MEDIUM, RECORDING/REPRODUCING APPARATUS AND RECORDING/REPRODUCING METHOD' [patent_app_type] => utility [patent_app_number] => 11/967505 [patent_app_country] => US [patent_app_date] => 2007-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7642 [patent_no_of_claims] => 2 [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/A1/0101/20080101188.pdf [firstpage_image] =>[orig_patent_app_number] => 11967505 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/967505
OPTICAL RECORDING MEDIUM, RECORDING/REPRODUCING APPARATUS AND RECORDING/REPRODUCING METHOD Dec 30, 2007 Abandoned
Array ( [id] => 4806756 [patent_doc_number] => 20080170334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-17 [patent_title] => 'Magnetic head' [patent_app_type] => utility [patent_app_number] => 12/005458 [patent_app_country] => US [patent_app_date] => 2007-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3814 [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] => publications/A1/0170/20080170334.pdf [firstpage_image] =>[orig_patent_app_number] => 12005458 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/005458
Magnetic head Dec 26, 2007 Abandoned
Array ( [id] => 5433651 [patent_doc_number] => 20090168237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-02 [patent_title] => 'Perpendicular magnetic recording writer main pole having imbedded non-magnetic core and de-coupled pole tip' [patent_app_type] => utility [patent_app_number] => 12/005786 [patent_app_country] => US [patent_app_date] => 2007-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 5232 [patent_no_of_claims] => 21 [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/A1/0168/20090168237.pdf [firstpage_image] =>[orig_patent_app_number] => 12005786 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/005786
Perpendicular magnetic recording writer main pole having imbedded non-magnetic core and de-coupled pole tip Dec 26, 2007 Issued
Array ( [id] => 4580643 [patent_doc_number] => 07855859 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-21 [patent_title] => 'Magnetoresistive element and magnetic head' [patent_app_type] => utility [patent_app_number] => 12/005273 [patent_app_country] => US [patent_app_date] => 2007-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 13315 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/855/07855859.pdf [firstpage_image] =>[orig_patent_app_number] => 12005273 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/005273
Magnetoresistive element and magnetic head Dec 26, 2007 Issued
Array ( [id] => 5484099 [patent_doc_number] => 20090273864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-05 [patent_title] => 'Magnetoresistive element including two ferromagnetic layers' [patent_app_type] => utility [patent_app_number] => 12/005274 [patent_app_country] => US [patent_app_date] => 2007-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 15550 [patent_no_of_claims] => 11 [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/A1/0273/20090273864.pdf [firstpage_image] =>[orig_patent_app_number] => 12005274 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/005274
Magnetoresistive element including two ferromagnetic layers Dec 26, 2007 Issued
Array ( [id] => 4520797 [patent_doc_number] => 07933096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-26 [patent_title] => 'Layered return poles for magnetic write heads' [patent_app_type] => utility [patent_app_number] => 12/005558 [patent_app_country] => US [patent_app_date] => 2007-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2896 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/933/07933096.pdf [firstpage_image] =>[orig_patent_app_number] => 12005558 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/005558
Layered return poles for magnetic write heads Dec 25, 2007 Issued
Array ( [id] => 7536351 [patent_doc_number] => 08049989 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-11-01 [patent_title] => 'Magnetic head for perpendicular recording having stepped wrap around shield with independent control of write pole track width and flare point dimensions' [patent_app_type] => utility [patent_app_number] => 12/005557 [patent_app_country] => US [patent_app_date] => 2007-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 47 [patent_no_of_words] => 5255 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/049/08049989.pdf [firstpage_image] =>[orig_patent_app_number] => 12005557 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/005557
Magnetic head for perpendicular recording having stepped wrap around shield with independent control of write pole track width and flare point dimensions Dec 25, 2007 Issued
Array ( [id] => 4625491 [patent_doc_number] => 08004795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-23 [patent_title] => 'Magnetic head design having reduced susceptibility to electrostatic discharge from media surfaces' [patent_app_type] => utility [patent_app_number] => 12/005591 [patent_app_country] => US [patent_app_date] => 2007-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2795 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/004/08004795.pdf [firstpage_image] =>[orig_patent_app_number] => 12005591 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/005591
Magnetic head design having reduced susceptibility to electrostatic discharge from media surfaces Dec 25, 2007 Issued
Array ( [id] => 1077887 [patent_doc_number] => 07616404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-11-10 [patent_title] => 'Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium' [patent_app_type] => utility [patent_app_number] => 12/004074 [patent_app_country] => US [patent_app_date] => 2007-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 15642 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/616/07616404.pdf [firstpage_image] =>[orig_patent_app_number] => 12004074 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/004074
Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium Dec 19, 2007 Issued
Array ( [id] => 5500574 [patent_doc_number] => 20090161262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-25 [patent_title] => 'Three terminal magnetic sensing device having a track width defined in a localized region by a patterned insulator and methods of making the same' [patent_app_type] => utility [patent_app_number] => 12/004235 [patent_app_country] => US [patent_app_date] => 2007-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9551 [patent_no_of_claims] => 25 [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/A1/0161/20090161262.pdf [firstpage_image] =>[orig_patent_app_number] => 12004235 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/004235
Three terminal magnetic sensing device having a track width defined in a localized region by a patterned insulator and methods of making the same Dec 19, 2007 Issued
Array ( [id] => 7523959 [patent_doc_number] => 08027123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-09-27 [patent_title] => 'Integrated windage blocker for reduction of flex cable vibration in a disk drive' [patent_app_type] => utility [patent_app_number] => 12/004743 [patent_app_country] => US [patent_app_date] => 2007-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2605 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/027/08027123.pdf [firstpage_image] =>[orig_patent_app_number] => 12004743 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/004743
Integrated windage blocker for reduction of flex cable vibration in a disk drive Dec 18, 2007 Issued
Array ( [id] => 8447591 [patent_doc_number] => 08289650 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-16 [patent_title] => 'HAMR recording head having a sloped wall pole' [patent_app_type] => utility [patent_app_number] => 11/857498 [patent_app_country] => US [patent_app_date] => 2007-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 24 [patent_no_of_words] => 4149 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11857498 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/857498
HAMR recording head having a sloped wall pole Sep 18, 2007 Issued
Array ( [id] => 5451053 [patent_doc_number] => 20090067089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-12 [patent_title] => 'FLEXIBLE CABLE COMPRISING LIQUID CRYSTAL POLYMER' [patent_app_type] => utility [patent_app_number] => 11/852667 [patent_app_country] => US [patent_app_date] => 2007-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3158 [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/A1/0067/20090067089.pdf [firstpage_image] =>[orig_patent_app_number] => 11852667 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/852667
Flexible cable comprising liquid crystal polymer Sep 9, 2007 Issued
Array ( [id] => 5451061 [patent_doc_number] => 20090067097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-12 [patent_title] => 'TAPE DRIVE SYSTEM' [patent_app_type] => utility [patent_app_number] => 11/851587 [patent_app_country] => US [patent_app_date] => 2007-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4627 [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/A1/0067/20090067097.pdf [firstpage_image] =>[orig_patent_app_number] => 11851587 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/851587
Tape drive system Sep 6, 2007 Issued
Array ( [id] => 4750641 [patent_doc_number] => 20080158712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-03 [patent_title] => 'BUFFER MEMBER, IMPACT ABSORBING DEVICE OF HARD DISK DRIVE, AND MOBILE INFORMATION APPARATUS USING IT' [patent_app_type] => utility [patent_app_number] => 11/851014 [patent_app_country] => US [patent_app_date] => 2007-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6980 [patent_no_of_claims] => 17 [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/A1/0158/20080158712.pdf [firstpage_image] =>[orig_patent_app_number] => 11851014 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/851014
Buffer member, impact absorbing device of hard disk drive, and mobile information apparatus using it Sep 5, 2007 Issued
Array ( [id] => 5335630 [patent_doc_number] => 20090052094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-02-26 [patent_title] => 'Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layer' [patent_app_type] => utility [patent_app_number] => 11/892541 [patent_app_country] => US [patent_app_date] => 2007-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 15778 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0052/20090052094.pdf [firstpage_image] =>[orig_patent_app_number] => 11892541 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/892541
Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layer Aug 22, 2007 Issued
Array ( [id] => 5308687 [patent_doc_number] => 20090015968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-15 [patent_title] => 'Voice coil motor and disk drive unit with the same' [patent_app_type] => utility [patent_app_number] => 11/892299 [patent_app_country] => US [patent_app_date] => 2007-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4842 [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/A1/0015/20090015968.pdf [firstpage_image] =>[orig_patent_app_number] => 11892299 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/892299
Voice coil motor and disk drive unit with the same Aug 20, 2007 Issued
Array ( [id] => 4580617 [patent_doc_number] => 07855855 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-21 [patent_title] => 'Recording apparatus' [patent_app_type] => utility [patent_app_number] => 11/891499 [patent_app_country] => US [patent_app_date] => 2007-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5927 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/855/07855855.pdf [firstpage_image] =>[orig_patent_app_number] => 11891499 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/891499
Recording apparatus Aug 9, 2007 Issued
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