Search

Bao Q. Vu

Examiner (ID: 2207)

Most Active Art Unit
2838
Art Unit(s)
2111, 2838
Total Applications
1819
Issued Applications
1581
Pending Applications
63
Abandoned Applications
178

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 388817 [patent_doc_number] => RE039926 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2007-11-27 [patent_title] => 'Arc-machining power supply with switching loss reducing element' [patent_app_type] => reissue [patent_app_number] => 11/152832 [patent_app_country] => US [patent_app_date] => 2005-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8777 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/039/RE039926.pdf [firstpage_image] =>[orig_patent_app_number] => 11152832 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/152832
Arc-machining power supply with switching loss reducing element Jun 13, 2005 Issued
11/150603 VOLTAGE REGULATION OF A UTILITY POWER NETWORK Jun 9, 2005 Abandoned
Array ( [id] => 7054908 [patent_doc_number] => 20050276080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-15 [patent_title] => 'Method of controlling the duty of a PWM signal, PWM signal generating circuit, and image forming apparatus using same' [patent_app_type] => utility [patent_app_number] => 11/148892 [patent_app_country] => US [patent_app_date] => 2005-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11101 [patent_no_of_claims] => 9 [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/A1/0276/20050276080.pdf [firstpage_image] =>[orig_patent_app_number] => 11148892 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/148892
Method of controlling the duty of a PWM signal, PWM signal generating circuit, and image forming apparatus using same Jun 8, 2005 Issued
Array ( [id] => 5641516 [patent_doc_number] => 20060279971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-14 [patent_title] => 'Power supply with current-sharing control and current-sharing method thereof' [patent_app_type] => utility [patent_app_number] => 11/148862 [patent_app_country] => US [patent_app_date] => 2005-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5285 [patent_no_of_claims] => 21 [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/A1/0279/20060279971.pdf [firstpage_image] =>[orig_patent_app_number] => 11148862 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/148862
Power supply with current-sharing control and current-sharing method thereof Jun 7, 2005 Issued
Array ( [id] => 561732 [patent_doc_number] => 07161337 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-09 [patent_title] => 'Multiphase DC-DC converter' [patent_app_type] => utility [patent_app_number] => 11/145232 [patent_app_country] => US [patent_app_date] => 2005-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 8437 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/161/07161337.pdf [firstpage_image] =>[orig_patent_app_number] => 11145232 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/145232
Multiphase DC-DC converter Jun 5, 2005 Issued
Array ( [id] => 651365 [patent_doc_number] => 07112943 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-26 [patent_title] => 'Enabling circuit for avoiding negative voltage transients' [patent_app_type] => utility [patent_app_number] => 11/142505 [patent_app_country] => US [patent_app_date] => 2005-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4065 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/112/07112943.pdf [firstpage_image] =>[orig_patent_app_number] => 11142505 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/142505
Enabling circuit for avoiding negative voltage transients May 31, 2005 Issued
Array ( [id] => 6930023 [patent_doc_number] => 20050281057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-22 [patent_title] => 'Holdover circuit for a power converter using a bi-directional switching regulator' [patent_app_type] => utility [patent_app_number] => 11/141512 [patent_app_country] => US [patent_app_date] => 2005-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6331 [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/A1/0281/20050281057.pdf [firstpage_image] =>[orig_patent_app_number] => 11141512 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/141512
Holdover circuit for a power converter using a bi-directional switching regulator May 30, 2005 Issued
Array ( [id] => 459529 [patent_doc_number] => 07245508 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-07-17 [patent_title] => 'Power conversion apparatus' [patent_app_type] => utility [patent_app_number] => 11/139982 [patent_app_country] => US [patent_app_date] => 2005-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 1610 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 427 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/245/07245508.pdf [firstpage_image] =>[orig_patent_app_number] => 11139982 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/139982
Power conversion apparatus May 30, 2005 Issued
Array ( [id] => 5606045 [patent_doc_number] => 20060267561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-30 [patent_title] => 'Power factor correction circuit for DC-DC converters with low resonance current' [patent_app_type] => utility [patent_app_number] => 11/139162 [patent_app_country] => US [patent_app_date] => 2005-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2195 [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] => publications/A1/0267/20060267561.pdf [firstpage_image] =>[orig_patent_app_number] => 11139162 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/139162
Power factor correction circuit for DC-DC converters with low resonance current May 26, 2005 Abandoned
Array ( [id] => 5607070 [patent_doc_number] => 20060268586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-30 [patent_title] => 'Secondary side controller and method therefor' [patent_app_type] => utility [patent_app_number] => 11/137872 [patent_app_country] => US [patent_app_date] => 2005-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4326 [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/A1/0268/20060268586.pdf [firstpage_image] =>[orig_patent_app_number] => 11137872 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/137872
Secondary side controller and method therefor May 26, 2005 Issued
Array ( [id] => 568489 [patent_doc_number] => 07161815 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-09 [patent_title] => 'Constant current drooping switching power supply' [patent_app_type] => utility [patent_app_number] => 11/134462 [patent_app_country] => US [patent_app_date] => 2005-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 15479 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 695 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/161/07161815.pdf [firstpage_image] =>[orig_patent_app_number] => 11134462 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/134462
Constant current drooping switching power supply May 22, 2005 Issued
Array ( [id] => 5737324 [patent_doc_number] => 20060007714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-12 [patent_title] => 'Dual mode over-current protection for switching mode power converter' [patent_app_type] => utility [patent_app_number] => 11/133902 [patent_app_country] => US [patent_app_date] => 2005-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2952 [patent_no_of_claims] => 14 [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/A1/0007/20060007714.pdf [firstpage_image] =>[orig_patent_app_number] => 11133902 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/133902
Dual mode over-current protection for switching mode power converter May 18, 2005 Issued
Array ( [id] => 886273 [patent_doc_number] => 07352163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-04-01 [patent_title] => 'Early effect cancelling circuit, differential amplifier, linear regulator, and early effect canceling method' [patent_app_type] => utility [patent_app_number] => 11/132172 [patent_app_country] => US [patent_app_date] => 2005-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 8356 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/352/07352163.pdf [firstpage_image] =>[orig_patent_app_number] => 11132172 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/132172
Early effect cancelling circuit, differential amplifier, linear regulator, and early effect canceling method May 18, 2005 Issued
Array ( [id] => 6942897 [patent_doc_number] => 20050194945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-08 [patent_title] => 'Method for Pulse Modulation Control of Switching Regulators' [patent_app_type] => utility [patent_app_number] => 10/908606 [patent_app_country] => US [patent_app_date] => 2005-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2884 [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/A1/0194/20050194945.pdf [firstpage_image] =>[orig_patent_app_number] => 10908606 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/908606
Method for Pulse Modulation Control of Switching Regulators May 17, 2005 Abandoned
Array ( [id] => 5089402 [patent_doc_number] => 20070229041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'Excess Current Detecting Circuit and Power Supply Device Provided with it' [patent_app_type] => utility [patent_app_number] => 11/597012 [patent_app_country] => US [patent_app_date] => 2005-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8196 [patent_no_of_claims] => 14 [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/A1/0229/20070229041.pdf [firstpage_image] =>[orig_patent_app_number] => 11597012 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/597012
Excess Current Detecting Circuit and Power Supply Device Provided with it May 16, 2005 Abandoned
Array ( [id] => 804674 [patent_doc_number] => 07423891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-09 [patent_title] => 'Inverter device utilizing three switches controlled in a concurrent manner in a resonant transformer' [patent_app_type] => utility [patent_app_number] => 11/125232 [patent_app_country] => US [patent_app_date] => 2005-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2920 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/423/07423891.pdf [firstpage_image] =>[orig_patent_app_number] => 11125232 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/125232
Inverter device utilizing three switches controlled in a concurrent manner in a resonant transformer May 9, 2005 Issued
Array ( [id] => 5612044 [patent_doc_number] => 20060113970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-01 [patent_title] => 'System, circuit and method for tuning a resonant circuit' [patent_app_type] => utility [patent_app_number] => 11/123712 [patent_app_country] => US [patent_app_date] => 2005-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3747 [patent_no_of_claims] => 48 [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/A1/0113/20060113970.pdf [firstpage_image] =>[orig_patent_app_number] => 11123712 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/123712
System, circuit and method for tuning a resonant circuit May 6, 2005 Issued
Array ( [id] => 659970 [patent_doc_number] => 07106039 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-09-12 [patent_title] => 'Closed loop direct current to direct current converter that does not require voltage reference' [patent_app_type] => utility [patent_app_number] => 11/119452 [patent_app_country] => US [patent_app_date] => 2005-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2965 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/106/07106039.pdf [firstpage_image] =>[orig_patent_app_number] => 11119452 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/119452
Closed loop direct current to direct current converter that does not require voltage reference Apr 28, 2005 Issued
Array ( [id] => 5832599 [patent_doc_number] => 20060244429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-02 [patent_title] => 'Free wheeling MOSFET control circuit for pre-biased loads' [patent_app_type] => utility [patent_app_number] => 11/116762 [patent_app_country] => US [patent_app_date] => 2005-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4506 [patent_no_of_claims] => 19 [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/A1/0244/20060244429.pdf [firstpage_image] =>[orig_patent_app_number] => 11116762 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/116762
Free wheeling MOSFET control circuit for pre-biased loads Apr 27, 2005 Abandoned
Array ( [id] => 484795 [patent_doc_number] => 07221129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-22 [patent_title] => 'Switching regulator and method for changing output voltages thereof' [patent_app_type] => utility [patent_app_number] => 11/115342 [patent_app_country] => US [patent_app_date] => 2005-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6859 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/221/07221129.pdf [firstpage_image] =>[orig_patent_app_number] => 11115342 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/115342
Switching regulator and method for changing output voltages thereof Apr 26, 2005 Issued
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