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] => 20204528 [patent_doc_number] => 12407318 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Filter device and high-frequency front end circuit having same mounted thereon [patent_app_type] => utility [patent_app_number] => 18/127149 [patent_app_country] => US [patent_app_date] => 2023-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3356 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18127149 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/127149
Filter device and high-frequency front end circuit having same mounted thereon Mar 27, 2023 Issued
Array ( [id] => 20216561 [patent_doc_number] => 12413220 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Drive circuit of switching element and intelligent power module [patent_app_type] => utility [patent_app_number] => 18/190522 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 19247 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190522 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190522
Drive circuit of switching element and intelligent power module Mar 26, 2023 Issued
Array ( [id] => 20176383 [patent_doc_number] => 12395143 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Low pass filter, multilayer-type low pass filter, and method of adjusting filter characteristic [patent_app_type] => utility [patent_app_number] => 18/126747 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 25 [patent_no_of_words] => 4328 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126747
Low pass filter, multilayer-type low pass filter, and method of adjusting filter characteristic Mar 26, 2023 Issued
Array ( [id] => 18658874 [patent_doc_number] => 20230304872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => APPARATUS FOR DETERMINING TEMPERATURE [patent_app_type] => utility [patent_app_number] => 18/186414 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9542 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18186414 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/186414
APPARATUS FOR DETERMINING TEMPERATURE Mar 19, 2023 Pending
Array ( [id] => 20162874 [patent_doc_number] => 12389530 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Filter module, filter element, and electronic device [patent_app_type] => utility [patent_app_number] => 18/109308 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 1101 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109308
Filter module, filter element, and electronic device Feb 13, 2023 Issued
Array ( [id] => 19766419 [patent_doc_number] => 12224727 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Digital phase shifter [patent_app_type] => utility [patent_app_number] => 18/273904 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 15115 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 333 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18273904 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273904
Digital phase shifter Feb 6, 2023 Issued
Array ( [id] => 18866701 [patent_doc_number] => 20230421138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => DIGITAL PHASE SHIFTER [patent_app_type] => utility [patent_app_number] => 18/101623 [patent_app_country] => US [patent_app_date] => 2023-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18101623 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101623
Digital phase shifter Jan 25, 2023 Issued
Array ( [id] => 19253731 [patent_doc_number] => 20240204728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => NON-LINEAR TRANSMISSION LINE (NLTL) FREQUENCY COMB GENERATOR AND FORMED MULTIPLIER [patent_app_type] => utility [patent_app_number] => 18/097267 [patent_app_country] => US [patent_app_date] => 2023-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18097267 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/097267
Non-linear transmission line (NLTL) frequency comb generator and formed multiplier Jan 14, 2023 Issued
Array ( [id] => 18797453 [patent_doc_number] => 11831298 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => System and method for filter enhancement [patent_app_type] => utility [patent_app_number] => 18/096171 [patent_app_country] => US [patent_app_date] => 2023-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 5600 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18096171 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/096171
System and method for filter enhancement Jan 11, 2023 Issued
Array ( [id] => 19843190 [patent_doc_number] => 12255597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Digital phase shift circuit and digital phase shifter [patent_app_type] => utility [patent_app_number] => 18/262618 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 11705 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18262618 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/262618
Digital phase shift circuit and digital phase shifter Dec 26, 2022 Issued
Array ( [id] => 19069133 [patent_doc_number] => 20240103559 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SYSTEMS AND METHODS FOR OSCILLATOR CALIBRATOR FOR INVERTER FOR ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/063332 [patent_app_country] => US [patent_app_date] => 2022-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18063332 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/063332
Systems and methods for oscillator calibrator for inverter for electric vehicle Dec 7, 2022 Issued
Array ( [id] => 19933013 [patent_doc_number] => 12306216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Dynamic voltage regulator sensing for chiplet-based designs [patent_app_type] => utility [patent_app_number] => 18/076352 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 4715 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18076352 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/076352
Dynamic voltage regulator sensing for chiplet-based designs Dec 5, 2022 Issued
Array ( [id] => 18616440 [patent_doc_number] => 20230283179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Startup of Switched Capacitor Step-Down Power Converter [patent_app_type] => utility [patent_app_number] => 18/073384 [patent_app_country] => US [patent_app_date] => 2022-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19321 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18073384 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/073384
Startup of switched capacitor step-down power converter Nov 30, 2022 Issued
Array ( [id] => 19965545 [patent_doc_number] => 12335069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Differential transmission line having high isolation and configuration method thereof [patent_app_type] => utility [patent_app_number] => 18/059197 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 4490 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18059197 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059197
Differential transmission line having high isolation and configuration method thereof Nov 27, 2022 Issued
Array ( [id] => 19872516 [patent_doc_number] => 12265376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Programmable delay line with glitch suppression [patent_app_type] => utility [patent_app_number] => 18/055088 [patent_app_country] => US [patent_app_date] => 2022-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 13896 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18055088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/055088
Programmable delay line with glitch suppression Nov 13, 2022 Issued
Array ( [id] => 18395404 [patent_doc_number] => 20230163625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => POWER SOURCE SELECTION [patent_app_type] => utility [patent_app_number] => 18/053630 [patent_app_country] => US [patent_app_date] => 2022-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18053630 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/053630
Power source selection Nov 7, 2022 Issued
Array ( [id] => 18918775 [patent_doc_number] => 11881059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Machine function analysis with radar plot [patent_app_type] => utility [patent_app_number] => 17/979521 [patent_app_country] => US [patent_app_date] => 2022-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 8068 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [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] => 17979521 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/979521
Machine function analysis with radar plot Nov 1, 2022 Issued
Array ( [id] => 20081336 [patent_doc_number] => 12355418 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Two stage pin diode driver with energy recovery [patent_app_type] => utility [patent_app_number] => 17/978158 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 24 [patent_no_of_words] => 7096 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17978158 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/978158
Two stage pin diode driver with energy recovery Oct 30, 2022 Issued
Array ( [id] => 18184129 [patent_doc_number] => 20230044859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => LC FILTER [patent_app_type] => utility [patent_app_number] => 17/970648 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17970648 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/970648
LC filter Oct 20, 2022 Issued
Array ( [id] => 18168963 [patent_doc_number] => 20230035574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => LC FILTER [patent_app_type] => utility [patent_app_number] => 17/964080 [patent_app_country] => US [patent_app_date] => 2022-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9950 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17964080 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/964080
LC filter Oct 11, 2022 Issued
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