Search

Duc Chi Ho

Examiner (ID: 6896, Phone: (571)272-3147 , Office: P/2465 )

Most Active Art Unit
2465
Art Unit(s)
2419, 3728, 2616, 2738, 2465, 2662, 2665, 2619
Total Applications
2493
Issued Applications
2201
Pending Applications
195
Abandoned Applications
138

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20821811 [patent_doc_number] => 12677298 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-07 [patent_title] => Apparatus, method, and computer program [patent_app_type] => utility [patent_app_number] => 18/371653 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10183 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18371653 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/371653
Apparatus, method, and computer program Sep 21, 2023 Issued
Array ( [id] => 19072257 [patent_doc_number] => 20240106683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => CO-CHANNEL SIGNAL CLASSIFICATION USING DEEP LEARNING [patent_app_type] => utility [patent_app_number] => 18/369586 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9042 [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] => 18369586 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369586
CO-CHANNEL SIGNAL CLASSIFICATION USING DEEP LEARNING Sep 17, 2023 Pending
Array ( [id] => 19671569 [patent_doc_number] => 12184349 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-31 [patent_title] => Systems and methods for detecting and connecting to a device in a vehicle [patent_app_type] => utility [patent_app_number] => 18/369588 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7166 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369588 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369588
Systems and methods for detecting and connecting to a device in a vehicle Sep 17, 2023 Issued
Array ( [id] => 18846265 [patent_doc_number] => 20230408669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => ULTRA-WIDEBAND COMMUNICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/242293 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18242293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/242293
Ultra-wideband communication system Sep 4, 2023 Issued
Array ( [id] => 20719118 [patent_doc_number] => 12634384 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Definition of logical router service rules [patent_app_type] => utility [patent_app_number] => 18/239921 [patent_app_country] => US [patent_app_date] => 2023-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 21557 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18239921 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239921
Definition of logical router service rules Aug 29, 2023 Issued
Array ( [id] => 18835103 [patent_doc_number] => 20230403630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => ROLE-BASED ACCESS CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/239308 [patent_app_country] => US [patent_app_date] => 2023-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239308
Role-based access control system Aug 28, 2023 Issued
Array ( [id] => 19822041 [patent_doc_number] => 20250080248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => INTERFERENCE HUNTING BASED ON HIT RATES OF RF SIGNAL FREQUENCIES [patent_app_type] => utility [patent_app_number] => 18/456937 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5188 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18456937 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456937
Interference hunting based on hit rates of RF signal frequencies Aug 27, 2023 Issued
Array ( [id] => 19789705 [patent_doc_number] => 20250063384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => WIFI SCANING ENHANCEMENT [patent_app_type] => utility [patent_app_number] => 18/449126 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8119 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18449126 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449126
WiFi scaning enhancement Aug 13, 2023 Issued
Array ( [id] => 20705264 [patent_doc_number] => 12627988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Communication device and method for monitoring a wireless communication exchange [patent_app_type] => utility [patent_app_number] => 18/447662 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5811 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447662 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447662
Communication device and method for monitoring a wireless communication exchange Aug 9, 2023 Issued
Array ( [id] => 20539278 [patent_doc_number] => 12556360 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Signal transmitting and receiving device and bidirectional communication system [patent_app_type] => utility [patent_app_number] => 18/446155 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 1081 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18446155 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/446155
Signal transmitting and receiving device and bidirectional communication system Aug 7, 2023 Issued
Array ( [id] => 20417412 [patent_doc_number] => 12500708 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Maximum sensitivity degradation [patent_app_type] => utility [patent_app_number] => 18/229088 [patent_app_country] => US [patent_app_date] => 2023-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 19397 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18229088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/229088
Maximum sensitivity degradation Jul 31, 2023 Issued
Array ( [id] => 18775520 [patent_doc_number] => 20230370356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => METHODS AND APPARATUS FOR DETECTING INTERNET CONNECTION PROBLEMS [patent_app_type] => utility [patent_app_number] => 18/222440 [patent_app_country] => US [patent_app_date] => 2023-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18222440 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/222440
METHODS AND APPARATUS FOR DETECTING INTERNET CONNECTION PROBLEMS Jul 14, 2023 Abandoned
Array ( [id] => 19238323 [patent_doc_number] => 20240195518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => NOISE DETECTION AND LOCALIZATION [patent_app_type] => utility [patent_app_number] => 18/221783 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19448 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 18221783 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221783
Noise detection and localization Jul 12, 2023 Issued
Array ( [id] => 18744274 [patent_doc_number] => 20230353263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => MEASURING AN INTERFERENCE FROM A NEIGHBORING DEVICE [patent_app_type] => utility [patent_app_number] => 18/220735 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16547 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18220735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220735
Measuring an interference from a neighboring device Jul 10, 2023 Issued
Array ( [id] => 18744343 [patent_doc_number] => 20230353332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => INFORMATION DETERMINATION METHOD AND APPARATUS, INFORMATION TRANSMISSION METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/216070 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18216070 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/216070
Information determination method and apparatus, information transmission method and apparatus, device, and storage medium Jun 28, 2023 Issued
Array ( [id] => 20389925 [patent_doc_number] => 12489666 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Peak to average power ratio reduction for orthogonal frequency division multiplexing [patent_app_type] => utility [patent_app_number] => 18/334150 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 24 [patent_no_of_words] => 15405 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334150 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/334150
Peak to average power ratio reduction for orthogonal frequency division multiplexing Jun 12, 2023 Issued
Array ( [id] => 19184500 [patent_doc_number] => 11991110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Communication method, communication apparatus, and communication device [patent_app_type] => utility [patent_app_number] => 18/323107 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 19203 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/323107
Communication method, communication apparatus, and communication device May 23, 2023 Issued
Array ( [id] => 18662899 [patent_doc_number] => 20230308924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => MEASUREMENT METHOD, TERMINAL DEVICE, AND NETWORK DEVICE [patent_app_type] => utility [patent_app_number] => 18/201239 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18201239 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/201239
MEASUREMENT METHOD, TERMINAL DEVICE, AND NETWORK DEVICE May 23, 2023 Pending
Array ( [id] => 20346705 [patent_doc_number] => 12470442 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Techniques for dynamic pre-equalization switching [patent_app_type] => utility [patent_app_number] => 18/320017 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 22295 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320017 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320017
Techniques for dynamic pre-equalization switching May 17, 2023 Issued
Array ( [id] => 20442670 [patent_doc_number] => 12513513 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Method for providing ultra-wideband ranging-based service and device supporting the same [patent_app_type] => utility [patent_app_number] => 18/198083 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 4325 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18198083 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/198083
Method for providing ultra-wideband ranging-based service and device supporting the same May 15, 2023 Issued
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