Search

Tu Ba Hoang

Supervisory Patent Examiner (ID: 15628, Phone: (571)272-4780 , Office: P/3742 )

Most Active Art Unit
3761
Art Unit(s)
3742, 2106, 3761, 2832
Total Applications
2049
Issued Applications
1536
Pending Applications
181
Abandoned Applications
331

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2950562 [patent_doc_number] => 05254955 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Advanced phase locked loop circuit' [patent_app_type] => 1 [patent_app_number] => 7/727840 [patent_app_country] => US [patent_app_date] => 1991-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 43 [patent_no_of_words] => 17142 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/254/05254955.pdf [firstpage_image] =>[orig_patent_app_number] => 727840 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/727840
Advanced phase locked loop circuit Jul 8, 1991 Issued
Array ( [id] => 2846813 [patent_doc_number] => 05138188 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Edge-sensitive pulse generator' [patent_app_type] => 1 [patent_app_number] => 7/727655 [patent_app_country] => US [patent_app_date] => 1991-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 3246 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/138/05138188.pdf [firstpage_image] =>[orig_patent_app_number] => 727655 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/727655
Edge-sensitive pulse generator Jul 8, 1991 Issued
Array ( [id] => 3061908 [patent_doc_number] => 05307317 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Semiconductor memory device having improved access to addresses' [patent_app_type] => 1 [patent_app_number] => 7/726379 [patent_app_country] => US [patent_app_date] => 1991-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3879 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307317.pdf [firstpage_image] =>[orig_patent_app_number] => 726379 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/726379
Semiconductor memory device having improved access to addresses Jul 4, 1991 Issued
Array ( [id] => 2939459 [patent_doc_number] => 05229664 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-20 [patent_title] => 'Programmable differentiator delay' [patent_app_type] => 1 [patent_app_number] => 7/725864 [patent_app_country] => US [patent_app_date] => 1991-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1917 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/229/05229664.pdf [firstpage_image] =>[orig_patent_app_number] => 725864 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/725864
Programmable differentiator delay Jul 2, 1991 Issued
Array ( [id] => 3055646 [patent_doc_number] => 05287317 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Non-volatile semiconductor memory device with over-erasing prevention' [patent_app_type] => 1 [patent_app_number] => 7/721773 [patent_app_country] => US [patent_app_date] => 1991-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 4688 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/287/05287317.pdf [firstpage_image] =>[orig_patent_app_number] => 721773 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/721773
Non-volatile semiconductor memory device with over-erasing prevention Jun 27, 1991 Issued
Array ( [id] => 3102029 [patent_doc_number] => 05313343 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-17 [patent_title] => 'Magnetic recording or reproducing apparatus' [patent_app_type] => 1 [patent_app_number] => 7/720749 [patent_app_country] => US [patent_app_date] => 1991-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6801 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/313/05313343.pdf [firstpage_image] =>[orig_patent_app_number] => 720749 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/720749
Magnetic recording or reproducing apparatus Jun 24, 1991 Issued
Array ( [id] => 2920401 [patent_doc_number] => 05179294 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Process independent digital clock signal shaping network' [patent_app_type] => 1 [patent_app_number] => 7/720079 [patent_app_country] => US [patent_app_date] => 1991-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5200 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/179/05179294.pdf [firstpage_image] =>[orig_patent_app_number] => 720079 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/720079
Process independent digital clock signal shaping network Jun 23, 1991 Issued
Array ( [id] => 2938120 [patent_doc_number] => 05220201 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-15 [patent_title] => 'Phase-locked signal generator' [patent_app_type] => 1 [patent_app_number] => 7/718254 [patent_app_country] => US [patent_app_date] => 1991-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 44 [patent_no_of_words] => 11333 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/220/05220201.pdf [firstpage_image] =>[orig_patent_app_number] => 718254 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/718254
Phase-locked signal generator Jun 19, 1991 Issued
07/717440 EDGE INTEGRATING PHASE DETECTOR Jun 18, 1991 Abandoned
07/717004 REGULATED DELAY LINE Jun 17, 1991 Abandoned
Array ( [id] => 2923436 [patent_doc_number] => 05206548 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Noise reduction circuit' [patent_app_type] => 1 [patent_app_number] => 7/716775 [patent_app_country] => US [patent_app_date] => 1991-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 4521 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/206/05206548.pdf [firstpage_image] =>[orig_patent_app_number] => 716775 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/716775
Noise reduction circuit Jun 17, 1991 Issued
Array ( [id] => 2955964 [patent_doc_number] => 05255240 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'One stage word line decoder/driver with speed-up Darlington drive and adjustable pull down' [patent_app_type] => 1 [patent_app_number] => 7/714442 [patent_app_country] => US [patent_app_date] => 1991-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4135 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/255/05255240.pdf [firstpage_image] =>[orig_patent_app_number] => 714442 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/714442
One stage word line decoder/driver with speed-up Darlington drive and adjustable pull down Jun 12, 1991 Issued
Array ( [id] => 2844951 [patent_doc_number] => 05172010 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-15 [patent_title] => 'Clock chopper/stretcher for high end machines' [patent_app_type] => 1 [patent_app_number] => 7/712270 [patent_app_country] => US [patent_app_date] => 1991-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3701 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/172/05172010.pdf [firstpage_image] =>[orig_patent_app_number] => 712270 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/712270
Clock chopper/stretcher for high end machines Jun 6, 1991 Issued
Array ( [id] => 3086691 [patent_doc_number] => 05297096 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Nonvolatile semiconductor memory device and data erasing method thereof' [patent_app_type] => 1 [patent_app_number] => 7/711547 [patent_app_country] => US [patent_app_date] => 1991-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 26 [patent_no_of_words] => 25791 [patent_no_of_claims] => 55 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/297/05297096.pdf [firstpage_image] =>[orig_patent_app_number] => 711547 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/711547
Nonvolatile semiconductor memory device and data erasing method thereof Jun 6, 1991 Issued
Array ( [id] => 2953977 [patent_doc_number] => 05255136 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'High capacity submicro-winchester fixed disk drive' [patent_app_type] => 1 [patent_app_number] => 7/710171 [patent_app_country] => US [patent_app_date] => 1991-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 19333 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 437 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/255/05255136.pdf [firstpage_image] =>[orig_patent_app_number] => 710171 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/710171
High capacity submicro-winchester fixed disk drive Jun 3, 1991 Issued
07/710246 OUTPUT DRIVER FOR REDUCING TRANSIENT NOISE IN INTEGRATED CIRCUITS Jun 2, 1991 Abandoned
Array ( [id] => 2964360 [patent_doc_number] => 05198710 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Bi-directional digital noise glitch filter' [patent_app_type] => 1 [patent_app_number] => 7/707517 [patent_app_country] => US [patent_app_date] => 1991-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 3197 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/198/05198710.pdf [firstpage_image] =>[orig_patent_app_number] => 707517 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/707517
Bi-directional digital noise glitch filter May 29, 1991 Issued
Array ( [id] => 3055625 [patent_doc_number] => 05287316 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Optical FIFO buffer' [patent_app_type] => 1 [patent_app_number] => 7/705387 [patent_app_country] => US [patent_app_date] => 1991-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 8554 [patent_no_of_claims] => 7 [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] => patents/05/287/05287316.pdf [firstpage_image] =>[orig_patent_app_number] => 705387 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/705387
Optical FIFO buffer May 23, 1991 Issued
Array ( [id] => 2883361 [patent_doc_number] => 05119037 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'High speed phase-lock loop device' [patent_app_type] => 1 [patent_app_number] => 7/704531 [patent_app_country] => US [patent_app_date] => 1991-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2776 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/119/05119037.pdf [firstpage_image] =>[orig_patent_app_number] => 704531 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/704531
High speed phase-lock loop device May 22, 1991 Issued
Array ( [id] => 2985437 [patent_doc_number] => 05204631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'System and method for automatic thresholding of signals in the presence of Gaussian noise' [patent_app_type] => 1 [patent_app_number] => 7/703072 [patent_app_country] => US [patent_app_date] => 1991-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3420 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/204/05204631.pdf [firstpage_image] =>[orig_patent_app_number] => 703072 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/703072
System and method for automatic thresholding of signals in the presence of Gaussian noise May 19, 1991 Issued
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