Search

Lihong Yu

Examiner (ID: 17040, Phone: (571)270-5147 , Office: P/2631 )

Most Active Art Unit
2631
Art Unit(s)
2611, 2631
Total Applications
900
Issued Applications
703
Pending Applications
65
Abandoned Applications
152

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20029559 [patent_doc_number] => 20250167781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => HIGH-LINEARITY RADIO FREQUENCY SWITCH CIRCUIT, CHIP AND ELECTRONIC DEVICE HAVING SAME [patent_app_type] => utility [patent_app_number] => 19/031329 [patent_app_country] => US [patent_app_date] => 2025-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19031329 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/031329
HIGH-LINEARITY RADIO FREQUENCY SWITCH CIRCUIT, CHIP AND ELECTRONIC DEVICE HAVING SAME Jan 16, 2025 Pending
Array ( [id] => 19880322 [patent_doc_number] => 20250112579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => PWM CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 18/895932 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7244 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18895932 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/895932
PWM CONTROL APPARATUS Sep 24, 2024 Pending
Array ( [id] => 20124991 [patent_doc_number] => 20250240022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => DIGITAL DELAY LINE OF A MEMORY SYSTEM AND METHOD OF ADJUSTING TIMING OF CLOCKS USING THEREOF [patent_app_type] => utility [patent_app_number] => 18/887293 [patent_app_country] => US [patent_app_date] => 2024-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18887293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/887293
DIGITAL DELAY LINE OF A MEMORY SYSTEM AND METHOD OF ADJUSTING TIMING OF CLOCKS USING THEREOF Sep 16, 2024 Pending
Array ( [id] => 19867048 [patent_doc_number] => 20250105834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => SEMICONDUCTOR DEVICE, ELECTRONIC APPARATUS AND VEHICLE [patent_app_type] => utility [patent_app_number] => 18/885982 [patent_app_country] => US [patent_app_date] => 2024-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18885982 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/885982
SEMICONDUCTOR DEVICE, ELECTRONIC APPARATUS AND VEHICLE Sep 15, 2024 Pending
Array ( [id] => 20103646 [patent_doc_number] => 20250233582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => ELECTRONIC CIRCUIT OPTIMIZING TIMING OF CLOCK SIGNALS AND DATA SIGNALS AND DELAY METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/829714 [patent_app_country] => US [patent_app_date] => 2024-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2435 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829714 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829714
ELECTRONIC CIRCUIT OPTIMIZING TIMING OF CLOCK SIGNALS AND DATA SIGNALS AND DELAY METHOD THEREOF Sep 9, 2024 Pending
Array ( [id] => 20322895 [patent_doc_number] => 20250334983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => CONTROLLING SYSTEM IN VOLTAGE CHIP AND SERVER [patent_app_type] => utility [patent_app_number] => 18/828767 [patent_app_country] => US [patent_app_date] => 2024-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18828767 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/828767
CONTROLLING SYSTEM IN VOLTAGE CHIP AND SERVER Sep 8, 2024 Pending
Array ( [id] => 19836393 [patent_doc_number] => 20250088179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => VOLTAGE LEVEL SHIFTER [patent_app_type] => utility [patent_app_number] => 18/824926 [patent_app_country] => US [patent_app_date] => 2024-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 392 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18824926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/824926
VOLTAGE LEVEL SHIFTER Sep 4, 2024 Pending
Array ( [id] => 19589267 [patent_doc_number] => 20240386824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => METHOD FOR DRIVING DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/785482 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 44846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18785482 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785482
METHOD FOR DRIVING DISPLAY DEVICE Jul 25, 2024 Pending
Array ( [id] => 19574888 [patent_doc_number] => 20240379180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => Semiconductor Device [patent_app_type] => utility [patent_app_number] => 18/784264 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15757 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 447 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18784264 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/784264
Semiconductor Device Jul 24, 2024 Pending
Array ( [id] => 19750178 [patent_doc_number] => 20250038743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => ISOLATED SELECTOR AND ASSOCIATED ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/780442 [patent_app_country] => US [patent_app_date] => 2024-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18780442 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/780442
ISOLATED SELECTOR AND ASSOCIATED ELECTRONIC DEVICE Jul 21, 2024 Pending
Array ( [id] => 20476845 [patent_doc_number] => 20260019066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => GLITCH-FREE POWER SUPPLY INDEPENDENT SEQUENCE CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/772977 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4773 [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] => 18772977 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772977
GLITCH-FREE POWER SUPPLY INDEPENDENT SEQUENCE CIRCUIT Jul 14, 2024 Pending
Array ( [id] => 19547288 [patent_doc_number] => 20240364324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => RF SWITCH WITH IMPROVED ISOLATION AT TARGET FREQUENCIES [patent_app_type] => utility [patent_app_number] => 18/769312 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769312 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769312
RF SWITCH WITH IMPROVED ISOLATION AT TARGET FREQUENCIES Jul 9, 2024 Pending
Array ( [id] => 19547277 [patent_doc_number] => 20240364313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => HIGH FREQUENCY CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/768315 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5169 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18768315 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768315
HIGH FREQUENCY CIRCUIT Jul 9, 2024 Pending
Array ( [id] => 20325310 [patent_doc_number] => 20250337398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => LEVEL SHIFTING CIRCUIT AND LEVEL SHIFTING CIRCUIT AND LEVEL SHIFTING METHOD BASED ON LOW POWER SOURCE [patent_app_type] => utility [patent_app_number] => 18/764291 [patent_app_country] => US [patent_app_date] => 2024-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18764291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/764291
LEVEL SHIFTING CIRCUIT AND LEVEL SHIFTING CIRCUIT AND LEVEL SHIFTING METHOD BASED ON LOW POWER SOURCE Jul 3, 2024 Pending
Array ( [id] => 20197398 [patent_doc_number] => 20250274108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => POSITIVE HYSTERESIS ELIMINATION COMPARISON CIRCUIT AND MOTOR DRIVER HAVING POSITIVE HYSTERESIS ELIMINATION COMPARISON CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/752816 [patent_app_country] => US [patent_app_date] => 2024-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18752816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/752816
POSITIVE HYSTERESIS ELIMINATION COMPARISON CIRCUIT AND MOTOR DRIVER HAVING POSITIVE HYSTERESIS ELIMINATION COMPARISON CIRCUIT Jun 24, 2024 Pending
Array ( [id] => 20581763 [patent_doc_number] => 12574021 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Zero-current turn-off driver with safety turn-off functionality [patent_app_type] => utility [patent_app_number] => 18/744957 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2009 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18744957 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/744957
Zero-current turn-off driver with safety turn-off functionality Jun 16, 2024 Issued
Array ( [id] => 19485226 [patent_doc_number] => 20240333268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => METHOD OF FORMING SEMICONDUCTOR DEVICE INCLUDING DAISY-CHAINED DELAY CELLS [patent_app_type] => utility [patent_app_number] => 18/739876 [patent_app_country] => US [patent_app_date] => 2024-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18739876 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/739876
Method of forming semiconductor device including daisy-chained delay cells Jun 10, 2024 Issued
Array ( [id] => 20029565 [patent_doc_number] => 20250167787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => FRACTIONAL FREQUENCY DIVIDER [patent_app_type] => utility [patent_app_number] => 18/680518 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18680518 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/680518
Fractional frequency divider May 30, 2024 Issued
Array ( [id] => 20003220 [patent_doc_number] => 20250141442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => HIGH VOLTAGE TOLERANT BOOTSTRAP SWITCH [patent_app_type] => utility [patent_app_number] => 18/660585 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18660585 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660585
HIGH VOLTAGE TOLERANT BOOTSTRAP SWITCH May 9, 2024 Pending
Array ( [id] => 20216566 [patent_doc_number] => 12413225 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Clamping circuit and offset OTA circuit thereof [patent_app_type] => utility [patent_app_number] => 18/655330 [patent_app_country] => US [patent_app_date] => 2024-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 1876 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18655330 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/655330
Clamping circuit and offset OTA circuit thereof May 5, 2024 Issued
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