Search

Hai L Nguyen

Examiner (ID: 11556, Phone: (571)272-1747 , Office: P/2842 )

Most Active Art Unit
2842
Art Unit(s)
2816, 2842
Total Applications
2250
Issued Applications
1990
Pending Applications
71
Abandoned Applications
221

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 54476 [patent_doc_number] => 07772895 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-10 [patent_title] => 'Signal generating circuit having filtering circuit coupled between level shifters' [patent_app_type] => utility [patent_app_number] => 12/203138 [patent_app_country] => US [patent_app_date] => 2008-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4818 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/772/07772895.pdf [firstpage_image] =>[orig_patent_app_number] => 12203138 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/203138
Signal generating circuit having filtering circuit coupled between level shifters Sep 1, 2008 Issued
Array ( [id] => 7968545 [patent_doc_number] => 07940101 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-10 [patent_title] => 'Slew rate control for a load switch' [patent_app_type] => utility [patent_app_number] => 12/199890 [patent_app_country] => US [patent_app_date] => 2008-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6182 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/940/07940101.pdf [firstpage_image] =>[orig_patent_app_number] => 12199890 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/199890
Slew rate control for a load switch Aug 27, 2008 Issued
Array ( [id] => 5450393 [patent_doc_number] => 20090066429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-12 [patent_title] => 'Voltage detection circuit and oscillator using the same' [patent_app_type] => utility [patent_app_number] => 12/231270 [patent_app_country] => US [patent_app_date] => 2008-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10431 [patent_no_of_claims] => 9 [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/A1/0066/20090066429.pdf [firstpage_image] =>[orig_patent_app_number] => 12231270 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/231270
Voltage detection circuit and oscillator using the same Aug 27, 2008 Issued
Array ( [id] => 8750153 [patent_doc_number] => 08415987 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-09 [patent_title] => 'Tap switch with semiconductor switching elements' [patent_app_type] => utility [patent_app_number] => 12/989441 [patent_app_country] => US [patent_app_date] => 2008-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2577 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12989441 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/989441
Tap switch with semiconductor switching elements Aug 26, 2008 Issued
Array ( [id] => 5320502 [patent_doc_number] => 20090058492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-05 [patent_title] => 'ELECTRONIC ISOLATOR' [patent_app_type] => utility [patent_app_number] => 12/193159 [patent_app_country] => US [patent_app_date] => 2008-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9809 [patent_no_of_claims] => 59 [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/A1/0058/20090058492.pdf [firstpage_image] =>[orig_patent_app_number] => 12193159 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/193159
ELECTRONIC ISOLATOR Aug 17, 2008 Abandoned
Array ( [id] => 8835275 [patent_doc_number] => 08451034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-28 [patent_title] => 'Clock hand-off circuit' [patent_app_type] => utility [patent_app_number] => 13/055203 [patent_app_country] => US [patent_app_date] => 2008-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4922 [patent_no_of_claims] => 14 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13055203 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/055203
Clock hand-off circuit Jul 24, 2008 Issued
Array ( [id] => 93618 [patent_doc_number] => 07737757 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-15 [patent_title] => 'Low power level shifting latch circuits with gated feedback for high speed integrated circuits' [patent_app_type] => utility [patent_app_number] => 12/178071 [patent_app_country] => US [patent_app_date] => 2008-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3381 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/737/07737757.pdf [firstpage_image] =>[orig_patent_app_number] => 12178071 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/178071
Low power level shifting latch circuits with gated feedback for high speed integrated circuits Jul 22, 2008 Issued
Array ( [id] => 169977 [patent_doc_number] => 07667508 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-02-23 [patent_title] => 'Frequency synthesizer' [patent_app_type] => utility [patent_app_number] => 12/219074 [patent_app_country] => US [patent_app_date] => 2008-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3952 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/667/07667508.pdf [firstpage_image] =>[orig_patent_app_number] => 12219074 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/219074
Frequency synthesizer Jul 14, 2008 Issued
Array ( [id] => 83242 [patent_doc_number] => 07746130 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-29 [patent_title] => 'Triangular wave generating circuit having synchronization with external clock' [patent_app_type] => utility [patent_app_number] => 12/172406 [patent_app_country] => US [patent_app_date] => 2008-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4018 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/746/07746130.pdf [firstpage_image] =>[orig_patent_app_number] => 12172406 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/172406
Triangular wave generating circuit having synchronization with external clock Jul 13, 2008 Issued
Array ( [id] => 7764134 [patent_doc_number] => 08115532 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-02-14 [patent_title] => 'Linear monotonic delay chain circuit' [patent_app_type] => utility [patent_app_number] => 12/218486 [patent_app_country] => US [patent_app_date] => 2008-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4161 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/115/08115532.pdf [firstpage_image] =>[orig_patent_app_number] => 12218486 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/218486
Linear monotonic delay chain circuit Jul 10, 2008 Issued
Array ( [id] => 5307939 [patent_doc_number] => 20090015220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-15 [patent_title] => 'Switching power supply device, semiconductor intergrated circuit device and power supply device' [patent_app_type] => utility [patent_app_number] => 12/216733 [patent_app_country] => US [patent_app_date] => 2008-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 14195 [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/A1/0015/20090015220.pdf [firstpage_image] =>[orig_patent_app_number] => 12216733 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/216733
Switching power supply device, semiconductor intergrated circuit device and power supply device Jul 9, 2008 Issued
Array ( [id] => 5294311 [patent_doc_number] => 20090009237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-08 [patent_title] => 'Boosting circuit and boosting method' [patent_app_type] => utility [patent_app_number] => 12/216487 [patent_app_country] => US [patent_app_date] => 2008-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 12531 [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/A1/0009/20090009237.pdf [firstpage_image] =>[orig_patent_app_number] => 12216487 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/216487
Boosting circuit and boosting method Jul 6, 2008 Issued
Array ( [id] => 5456469 [patent_doc_number] => 20090256621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-15 [patent_title] => 'Signal transfer circuit' [patent_app_type] => utility [patent_app_number] => 12/217023 [patent_app_country] => US [patent_app_date] => 2008-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3661 [patent_no_of_claims] => 12 [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/A1/0256/20090256621.pdf [firstpage_image] =>[orig_patent_app_number] => 12217023 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/217023
Signal transfer circuit Jun 29, 2008 Abandoned
Array ( [id] => 5395347 [patent_doc_number] => 20090315410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-24 [patent_title] => 'Ultra-low current push-button switch interface circuit' [patent_app_type] => utility [patent_app_number] => 12/215801 [patent_app_country] => US [patent_app_date] => 2008-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2494 [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] => publications/A1/0315/20090315410.pdf [firstpage_image] =>[orig_patent_app_number] => 12215801 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/215801
Ultra-low current push-button switch interface circuit Jun 29, 2008 Issued
Array ( [id] => 5450372 [patent_doc_number] => 20090066408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-12 [patent_title] => 'Step-up power supply circuit and stepping-up method' [patent_app_type] => utility [patent_app_number] => 12/213662 [patent_app_country] => US [patent_app_date] => 2008-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8262 [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/A1/0066/20090066408.pdf [firstpage_image] =>[orig_patent_app_number] => 12213662 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/213662
Step-up power supply circuit and stepping-up method Jun 22, 2008 Issued
Array ( [id] => 5346683 [patent_doc_number] => 20090002044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-01 [patent_title] => 'Master-slave type flip-flop circuit' [patent_app_type] => utility [patent_app_number] => 12/213519 [patent_app_country] => US [patent_app_date] => 2008-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 17422 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0002/20090002044.pdf [firstpage_image] =>[orig_patent_app_number] => 12213519 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/213519
Master-slave type flip-flop circuit Jun 19, 2008 Abandoned
Array ( [id] => 4850189 [patent_doc_number] => 20080315931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-25 [patent_title] => 'Semiconductor integrated circuit having active and sleep modes and non-retention flip-flop that is initialized when switching from sleep mode to active mode' [patent_app_type] => utility [patent_app_number] => 12/213437 [patent_app_country] => US [patent_app_date] => 2008-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6214 [patent_no_of_claims] => 23 [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/A1/0315/20080315931.pdf [firstpage_image] =>[orig_patent_app_number] => 12213437 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/213437
Semiconductor integrated circuit having active and sleep modes and non-retention flip-flop that is initialized when switching from sleep mode to active mode Jun 18, 2008 Issued
Array ( [id] => 4560379 [patent_doc_number] => 07821306 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-26 [patent_title] => 'Switching device drive circuit' [patent_app_type] => utility [patent_app_number] => 12/376493 [patent_app_country] => US [patent_app_date] => 2008-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 13030 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/821/07821306.pdf [firstpage_image] =>[orig_patent_app_number] => 12376493 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/376493
Switching device drive circuit Jun 18, 2008 Issued
Array ( [id] => 4947460 [patent_doc_number] => 20080303586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-11 [patent_title] => 'Negative voltage generating circuit' [patent_app_type] => utility [patent_app_number] => 12/156990 [patent_app_country] => US [patent_app_date] => 2008-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2164 [patent_no_of_claims] => 20 [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/A1/0303/20080303586.pdf [firstpage_image] =>[orig_patent_app_number] => 12156990 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/156990
Negative voltage generating circuit Jun 5, 2008 Abandoned
Array ( [id] => 8083393 [patent_doc_number] => 08149019 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-03 [patent_title] => 'Chopper type comparator and A/D converter' [patent_app_type] => utility [patent_app_number] => 12/665356 [patent_app_country] => US [patent_app_date] => 2008-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8246 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/149/08149019.pdf [firstpage_image] =>[orig_patent_app_number] => 12665356 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/665356
Chopper type comparator and A/D converter Jun 5, 2008 Issued
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