Search

Lut Wong

Examiner (ID: 9919, Phone: (571)270-1123 , Office: P/2129 )

Most Active Art Unit
2129
Art Unit(s)
2127, 2121, 2129
Total Applications
754
Issued Applications
539
Pending Applications
61
Abandoned Applications
167

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18292769 [patent_doc_number] => 11621645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-04 [patent_title] => Methods and device to drive a transistor for synchronous rectification [patent_app_type] => utility [patent_app_number] => 16/892385 [patent_app_country] => US [patent_app_date] => 2020-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8558 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16892385 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/892385
Methods and device to drive a transistor for synchronous rectification Jun 3, 2020 Issued
Array ( [id] => 17746213 [patent_doc_number] => 11394303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Flyback converter with synchronous rectifier switch fault detection [patent_app_type] => utility [patent_app_number] => 16/888021 [patent_app_country] => US [patent_app_date] => 2020-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4432 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16888021 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/888021
Flyback converter with synchronous rectifier switch fault detection May 28, 2020 Issued
Array ( [id] => 18032588 [patent_doc_number] => 11515792 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Current sharing scheme in current mode control for multiphase DC-DC converter [patent_app_type] => utility [patent_app_number] => 16/880814 [patent_app_country] => US [patent_app_date] => 2020-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4502 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16880814 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/880814
Current sharing scheme in current mode control for multiphase DC-DC converter May 20, 2020 Issued
Array ( [id] => 19168894 [patent_doc_number] => 11984813 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Synchronous rectification control system and method for quasi-resonant flyback converter [patent_app_type] => utility [patent_app_number] => 17/435789 [patent_app_country] => US [patent_app_date] => 2020-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5178 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 510 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17435789 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/435789
Synchronous rectification control system and method for quasi-resonant flyback converter May 14, 2020 Issued
Array ( [id] => 17517437 [patent_doc_number] => 11296605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Synchronous rectifier controllers with slew-rate detector [patent_app_type] => utility [patent_app_number] => 15/930690 [patent_app_country] => US [patent_app_date] => 2020-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3710 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15930690 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/930690
Synchronous rectifier controllers with slew-rate detector May 12, 2020 Issued
Array ( [id] => 17898943 [patent_doc_number] => 20220308605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => WIND TURBINE TRANSFORMER CONTROL [patent_app_type] => utility [patent_app_number] => 17/613193 [patent_app_country] => US [patent_app_date] => 2020-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17613193 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/613193
Wind turbine transformer control May 11, 2020 Issued
Array ( [id] => 16456778 [patent_doc_number] => 20200366204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => CONTROL METHOD FOR DC/DC CONVERTER AND DC/DC CONVERTER [patent_app_type] => utility [patent_app_number] => 16/872366 [patent_app_country] => US [patent_app_date] => 2020-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16872366 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/872366
Control method for DC/DC converter and DC/DC converter for achieving continuous voltage gain May 11, 2020 Issued
Array ( [id] => 17424904 [patent_doc_number] => 11258372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Power efficient bridge rectifier implemented with switches [patent_app_type] => utility [patent_app_number] => 16/868995 [patent_app_country] => US [patent_app_date] => 2020-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5844 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16868995 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/868995
Power efficient bridge rectifier implemented with switches May 6, 2020 Issued
Array ( [id] => 17709664 [patent_doc_number] => 20220209672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => HIGH-GAIN QUASI-RESONANT DC-DC CONVERTER BASED ON VOLTAGE DOUBLING RECTIFIER CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/624897 [patent_app_country] => US [patent_app_date] => 2020-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17624897 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/624897
High-gain quasi-resonant DC-DC converter based on voltage doubling rectifier circuit Apr 27, 2020 Issued
Array ( [id] => 17189657 [patent_doc_number] => 20210336542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => BUCK-BOOST VOLTAGE CONVERTER [patent_app_type] => utility [patent_app_number] => 16/859467 [patent_app_country] => US [patent_app_date] => 2020-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16859467 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/859467
Ramp generator for buck/boost converters Apr 26, 2020 Issued
Array ( [id] => 18236481 [patent_doc_number] => 11601052 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Current emulation in a power supply [patent_app_type] => utility [patent_app_number] => 16/857450 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9482 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16857450 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/857450
Current emulation in a power supply Apr 23, 2020 Issued
Array ( [id] => 17396302 [patent_doc_number] => 11245327 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-08 [patent_title] => Circuit for driving synchronous rectifier device with false turn on prevention [patent_app_type] => utility [patent_app_number] => 16/851057 [patent_app_country] => US [patent_app_date] => 2020-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7290 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16851057 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/851057
Circuit for driving synchronous rectifier device with false turn on prevention Apr 15, 2020 Issued
Array ( [id] => 16379838 [patent_doc_number] => 20200328681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => BUCK-BOOST SWITCHING REGULATOR AND REGULATING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/845421 [patent_app_country] => US [patent_app_date] => 2020-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3413 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16845421 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/845421
BUCK-BOOST SWITCHING REGULATOR AND REGULATING METHOD THEREOF Apr 9, 2020 Abandoned
Array ( [id] => 19030307 [patent_doc_number] => 11929678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Power supply device using intelligent pre-regulator [patent_app_type] => utility [patent_app_number] => 17/599893 [patent_app_country] => US [patent_app_date] => 2020-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7033 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17599893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/599893
Power supply device using intelligent pre-regulator Apr 8, 2020 Issued
Array ( [id] => 18447389 [patent_doc_number] => 11682968 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Control of power converters having integrated capacitor blocked transistor cells [patent_app_type] => utility [patent_app_number] => 16/844514 [patent_app_country] => US [patent_app_date] => 2020-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5593 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16844514 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/844514
Control of power converters having integrated capacitor blocked transistor cells Apr 8, 2020 Issued
Array ( [id] => 17374493 [patent_doc_number] => 20220029545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => RESONANT CONVERTER [patent_app_type] => utility [patent_app_number] => 17/298284 [patent_app_country] => US [patent_app_date] => 2020-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 397 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17298284 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/298284
RESONANT CONVERTER Apr 2, 2020 Abandoned
Array ( [id] => 16194819 [patent_doc_number] => 20200235668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => DEAD-TIME CONDUCTION LOSS REDUCTION FOR BUCK POWER CONVERTERS [patent_app_type] => utility [patent_app_number] => 16/837489 [patent_app_country] => US [patent_app_date] => 2020-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8493 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16837489 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/837489
Dead-time conduction loss reduction for buck power converters Mar 31, 2020 Issued
Array ( [id] => 17374478 [patent_doc_number] => 20220029530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => DIRECT CURRENT (DC) BUS ELECTROMAGNETIC INTERFERENCE (EMI) FILTERING FOR POWER ADAPTERS [patent_app_type] => utility [patent_app_number] => 17/296882 [patent_app_country] => US [patent_app_date] => 2020-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5762 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17296882 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/296882
DIRECT CURRENT (DC) BUS ELECTROMAGNETIC INTERFERENCE (EMI) FILTERING FOR POWER ADAPTERS Mar 25, 2020 Abandoned
Array ( [id] => 16333062 [patent_doc_number] => 20200304028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => SWITCHING REGULATOR AND POWER MANAGEMENT UNIT INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/823481 [patent_app_country] => US [patent_app_date] => 2020-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16823481 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/823481
Switching regulator and power management unit including the same Mar 18, 2020 Issued
Array ( [id] => 18121161 [patent_doc_number] => 11552564 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-10 [patent_title] => Power conversion circuit with solid-state switches [patent_app_type] => utility [patent_app_number] => 16/823834 [patent_app_country] => US [patent_app_date] => 2020-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 8963 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16823834 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/823834
Power conversion circuit with solid-state switches Mar 18, 2020 Issued
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