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] => 19568235 [patent_doc_number] => 12143018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Direct voltage converter with synchronized dividing modules [patent_app_type] => utility [patent_app_number] => 17/432396 [patent_app_country] => US [patent_app_date] => 2020-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3511 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17432396 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432396
Direct voltage converter with synchronized dividing modules Mar 17, 2020 Issued
Array ( [id] => 17086173 [patent_doc_number] => 20210281180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => VOLTAGE GENERATING CIRCUIT WITH TIMING SKIPPING CONTROL [patent_app_type] => utility [patent_app_number] => 16/808334 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4490 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16808334 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/808334
Voltage generating circuit with timing skipping control Mar 2, 2020 Issued
Array ( [id] => 16365118 [patent_doc_number] => 20200321869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => DC/DC CONVERTER AND ULTRASONIC DIAGNOSTIC APPARATUS [patent_app_type] => utility [patent_app_number] => 16/802634 [patent_app_country] => US [patent_app_date] => 2020-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5566 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16802634 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/802634
DC/DC CONVERTER AND ULTRASONIC DIAGNOSTIC APPARATUS Feb 26, 2020 Abandoned
Array ( [id] => 17289384 [patent_doc_number] => 11205952 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-21 [patent_title] => Methods and systems for controlling current source rectifiers [patent_app_type] => utility [patent_app_number] => 16/800279 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3706 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16800279 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/800279
Methods and systems for controlling current source rectifiers Feb 24, 2020 Issued
Array ( [id] => 17607676 [patent_doc_number] => 11336170 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-17 [patent_title] => Frequency setting in a power supply device, power supply control device, and power supply control method [patent_app_type] => utility [patent_app_number] => 16/799761 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 15606 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16799761 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/799761
Frequency setting in a power supply device, power supply control device, and power supply control method Feb 23, 2020 Issued
Array ( [id] => 17803803 [patent_doc_number] => 11418119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Wide switching frequency range switched mode power supply control topology [patent_app_type] => utility [patent_app_number] => 16/794110 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8800 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16794110 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/794110
Wide switching frequency range switched mode power supply control topology Feb 17, 2020 Issued
Array ( [id] => 18121145 [patent_doc_number] => 11552548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Power supply control device having a pair of transistors [patent_app_type] => utility [patent_app_number] => 16/790968 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8217 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 471 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16790968 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/790968
Power supply control device having a pair of transistors Feb 13, 2020 Issued
Array ( [id] => 19460517 [patent_doc_number] => 12101034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Power converter apparatus converting input power having a predetermined voltage into output power having a predetermined output voltage over wide range with higher efficiency [patent_app_type] => utility [patent_app_number] => 17/441184 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 10045 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 357 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17441184 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/441184
Power converter apparatus converting input power having a predetermined voltage into output power having a predetermined output voltage over wide range with higher efficiency Feb 13, 2020 Issued
Array ( [id] => 17396307 [patent_doc_number] => 11245332 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-02-08 [patent_title] => Reference voltage control in a switch mode power supply [patent_app_type] => utility [patent_app_number] => 16/785155 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4941 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16785155 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/785155
Reference voltage control in a switch mode power supply Feb 6, 2020 Issued
Array ( [id] => 17803802 [patent_doc_number] => 11418118 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-16 [patent_title] => Regulation loop control for voltage regulation in a switch mode power supply [patent_app_type] => utility [patent_app_number] => 16/785209 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4690 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16785209 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/785209
Regulation loop control for voltage regulation in a switch mode power supply Feb 6, 2020 Issued
Array ( [id] => 16828438 [patent_doc_number] => 20210143731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => SYSTEM AND METHOD OF CONTROLLING DEAD TIME OF CONVERTER [patent_app_type] => utility [patent_app_number] => 16/785299 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16785299 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/785299
System and method of controlling dead time of converter Feb 6, 2020 Issued
Array ( [id] => 16002433 [patent_doc_number] => 20200177087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => ADJUSTABLE POWER SUPPLY DEVICE FOR SUPPLYING POWER TO A POWER SWITCH CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 16/783705 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16783705 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/783705
Adjustable power supply device for supplying power to a power switch control device Feb 5, 2020 Issued
Array ( [id] => 16488403 [patent_doc_number] => 20200382016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => RECTIFYING CONTROL MODULE, ACTIVE BRIDGE RECTIFYING CONTROL APPARATUS, AND METHOD OF OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 16/773705 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16773705 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/773705
Rectifying control module, bridge rectifying control apparatus using active switch and method of operating the same Jan 26, 2020 Issued
Array ( [id] => 17979179 [patent_doc_number] => 11496057 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-08 [patent_title] => Converter for improving conversion efficiency [patent_app_type] => utility [patent_app_number] => 16/748766 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5260 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16748766 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/748766
Converter for improving conversion efficiency Jan 20, 2020 Issued
Array ( [id] => 17310739 [patent_doc_number] => 11211867 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-28 [patent_title] => Voltage regulating apparatus with pre-stage circuit and post-stage circuit [patent_app_type] => utility [patent_app_number] => 16/745373 [patent_app_country] => US [patent_app_date] => 2020-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1754 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16745373 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/745373
Voltage regulating apparatus with pre-stage circuit and post-stage circuit Jan 16, 2020 Issued
Array ( [id] => 16982305 [patent_doc_number] => 20210226542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => CAPACITIVELY ISOLATED FEEDBACK CIRCUITS AND REGULATED POWER SUPPLIES INCORPORATING THE SAME [patent_app_type] => utility [patent_app_number] => 16/745065 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16745065 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/745065
Capacitively isolated feedback circuits and regulated power supplies incorporating the same Jan 15, 2020 Issued
Array ( [id] => 15907443 [patent_doc_number] => 20200153242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => PREBIASING CIRCUITRY FOR FAST SETTLEMENT OF SWITCHING CONVERTER IN A POWER LOSS PROTECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 16/742176 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7549 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16742176 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/742176
PREBIASING CIRCUITRY FOR FAST SETTLEMENT OF SWITCHING CONVERTER IN A POWER LOSS PROTECTION SYSTEM Jan 13, 2020 Abandoned
Array ( [id] => 16257335 [patent_doc_number] => 20200266710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => CONTROL CIRCUIT OF BUCK-BOOST CONVERTING APPARATUS AND MODE SWITCHING METHOD OF THE SAME [patent_app_type] => utility [patent_app_number] => 16/740556 [patent_app_country] => US [patent_app_date] => 2020-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16740556 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/740556
CONTROL CIRCUIT OF BUCK-BOOST CONVERTING APPARATUS AND MODE SWITCHING METHOD OF THE SAME Jan 12, 2020 Abandoned
Array ( [id] => 15875041 [patent_doc_number] => 20200144924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => ADAPTIVE CONTROL FOR ZERO-VOLTAGE SWITCHING IN A MULTI-SWITCH SWITCHING POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 16/735069 [patent_app_country] => US [patent_app_date] => 2020-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16735069 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/735069
Adaptive control for zero-voltage switching in a multi-switch switching power converter Jan 5, 2020 Issued
Array ( [id] => 16208087 [patent_doc_number] => 20200241077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => CASCADE CONVERTER AND ONLINE MONITORING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/734150 [patent_app_country] => US [patent_app_date] => 2020-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16734150 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/734150
Cascade converter and online monitoring method thereof Jan 2, 2020 Issued
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