Search

Tuan Duc Nguyen

Examiner (ID: 13693, Phone: (571)272-8163 , Office: P/2656 )

Most Active Art Unit
2656
Art Unit(s)
2699, 2614, 2646, 2644, 2643, 2656, 2653, 2655, 2824
Total Applications
1431
Issued Applications
1190
Pending Applications
78
Abandoned Applications
185

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20390275 [patent_doc_number] => 12490018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Acoustic output devices [patent_app_type] => utility [patent_app_number] => 18/313314 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 19512 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [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] => 18313314 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313314
Acoustic output devices May 4, 2023 Issued
Array ( [id] => 19927759 [patent_doc_number] => 12302066 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Systems and methods for suppressing sound leakage [patent_app_type] => utility [patent_app_number] => 18/308760 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 37 [patent_no_of_words] => 11955 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308760 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308760
Systems and methods for suppressing sound leakage Apr 27, 2023 Issued
Array ( [id] => 19533372 [patent_doc_number] => 20240357274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => AUTOMATIC HANDSFREE EXTENDABLE MICROPHONE IN EARBUDS AND/OR HEADSETS [patent_app_type] => utility [patent_app_number] => 18/138094 [patent_app_country] => US [patent_app_date] => 2023-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3371 [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] => 18138094 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/138094
Automatic handsfree extendable microphone in earbuds and/or headsets Apr 22, 2023 Issued
Array ( [id] => 18744952 [patent_doc_number] => 20230353944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => Waterproof Microspeaker [patent_app_type] => utility [patent_app_number] => 18/136962 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18136962 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/136962
Waterproof microspeaker Apr 19, 2023 Issued
Array ( [id] => 18744969 [patent_doc_number] => 20230353961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => HEARING DEVICE WITH A SUSPENDED MICROPHONE [patent_app_type] => utility [patent_app_number] => 18/136295 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18136295 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/136295
Hearing device with a suspended microphone Apr 17, 2023 Issued
Array ( [id] => 19944893 [patent_doc_number] => 12317042 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Sub cone and loudspeaker [patent_app_type] => utility [patent_app_number] => 18/133772 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133772 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133772
Sub cone and loudspeaker Apr 11, 2023 Issued
Array ( [id] => 18697988 [patent_doc_number] => 20230328461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => HEARING AID COMPRISING AN ADAPTIVE NOTIFICATION UNIT [patent_app_type] => utility [patent_app_number] => 18/192686 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18192686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/192686
Hearing aid comprising an adaptive notification unit Mar 29, 2023 Issued
Array ( [id] => 20090423 [patent_doc_number] => 20250220359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => MEMS MICROPHONE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/852992 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18852992 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852992
MEMS MICROPHONE AND ELECTRONIC DEVICE Mar 26, 2023 Pending
Array ( [id] => 20162524 [patent_doc_number] => 12389171 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Hearing aid comprising at least one EEG signal processing circuit [patent_app_type] => utility [patent_app_number] => 18/187719 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 2174 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18187719 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187719
Hearing aid comprising at least one EEG signal processing circuit Mar 21, 2023 Issued
Array ( [id] => 19322812 [patent_doc_number] => 20240244360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => EARPLUG [patent_app_type] => utility [patent_app_number] => 18/123322 [patent_app_country] => US [patent_app_date] => 2023-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18123322 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123322
EARPLUG Mar 18, 2023 Abandoned
Array ( [id] => 20097468 [patent_doc_number] => 20250227404 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => EARPIECE [patent_app_type] => utility [patent_app_number] => 18/853225 [patent_app_country] => US [patent_app_date] => 2023-02-28 [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] => -7 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18853225 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/853225
EARPIECE Feb 27, 2023 Pending
Array ( [id] => 19767040 [patent_doc_number] => 12225354 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Hearing aid personalization using machine leaning [patent_app_type] => utility [patent_app_number] => 18/171023 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 13768 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171023 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171023
Hearing aid personalization using machine leaning Feb 16, 2023 Issued
Array ( [id] => 19981439 [patent_doc_number] => 12348935 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Earpiece for a hearing device and a method of detachable assembly of an earpiece of a hearing device [patent_app_type] => utility [patent_app_number] => 18/107309 [patent_app_country] => US [patent_app_date] => 2023-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 9429 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18107309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/107309
Earpiece for a hearing device and a method of detachable assembly of an earpiece of a hearing device Feb 7, 2023 Issued
Array ( [id] => 19767033 [patent_doc_number] => 12225347 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Sound-producing device [patent_app_type] => utility [patent_app_number] => 18/165346 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 19 [patent_no_of_words] => 21174 [patent_no_of_claims] => 20 [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] => 18165346 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165346
Sound-producing device Feb 6, 2023 Issued
Array ( [id] => 19148036 [patent_doc_number] => 20240147143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => OPEN-EAR EARPHONE [patent_app_type] => utility [patent_app_number] => 18/103499 [patent_app_country] => US [patent_app_date] => 2023-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3472 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18103499 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/103499
Open-ear earphone Jan 30, 2023 Issued
Array ( [id] => 19350773 [patent_doc_number] => 20240259737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SET OF HEARING DEVICES WITH MUTUAL SETTING BACKUP DATA [patent_app_type] => utility [patent_app_number] => 18/102542 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7982 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18102542 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/102542
Set of hearing devices with mutual setting backup data Jan 26, 2023 Issued
Array ( [id] => 18542006 [patent_doc_number] => 20230247123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => ENHANCED EXPANDABLE SOCKET ACCESSORY SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/101097 [patent_app_country] => US [patent_app_date] => 2023-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5347 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18101097 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101097
Enhanced expandable socket accessory systems Jan 23, 2023 Issued
Array ( [id] => 19200190 [patent_doc_number] => 11997450 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Audio systems, devices, and methods [patent_app_type] => utility [patent_app_number] => 18/097224 [patent_app_country] => US [patent_app_date] => 2023-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 26 [patent_no_of_words] => 19508 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18097224 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/097224
Audio systems, devices, and methods Jan 13, 2023 Issued
Array ( [id] => 19944868 [patent_doc_number] => 12317017 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Speaker assembly and electronic device [patent_app_type] => utility [patent_app_number] => 18/096977 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 18096977 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/096977
Speaker assembly and electronic device Jan 12, 2023 Issued
Array ( [id] => 18880849 [patent_doc_number] => 20240004218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => AUDIO GLASSES AND AUDIO DEVICE [patent_app_type] => utility [patent_app_number] => 18/152783 [patent_app_country] => US [patent_app_date] => 2023-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3970 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18152783 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/152783
AUDIO GLASSES AND AUDIO DEVICE Jan 10, 2023 Abandoned
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