Search

Fan S. Tsang

Supervisory Patent Examiner (ID: 5500, Phone: (571)272-7547 , Office: P/2653 )

Most Active Art Unit
2601
Art Unit(s)
2614, 2601, 2742, 2653, 2694, 2748, 2645, 2746, 2787
Total Applications
480
Issued Applications
302
Pending Applications
81
Abandoned Applications
113

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19749128 [patent_doc_number] => 20250037693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => AUDITORY DEVICES FOR HEARING PROTECTION [patent_app_type] => utility [patent_app_number] => 18/226594 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18226594 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/226594
AUDITORY DEVICES FOR HEARING PROTECTION Jul 25, 2023 Pending
Array ( [id] => 19749128 [patent_doc_number] => 20250037693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => AUDITORY DEVICES FOR HEARING PROTECTION [patent_app_type] => utility [patent_app_number] => 18/226594 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18226594 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/226594
AUDITORY DEVICES FOR HEARING PROTECTION Jul 25, 2023 Pending
Array ( [id] => 18904604 [patent_doc_number] => 20240020089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => RADIO COEXISTENCE TECHNIQUES FOR PLAYBACK DEVICES [patent_app_type] => utility [patent_app_number] => 18/355134 [patent_app_country] => US [patent_app_date] => 2023-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355134 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355134
RADIO COEXISTENCE TECHNIQUES FOR PLAYBACK DEVICES Jul 18, 2023 Issued
Array ( [id] => 18897125 [patent_doc_number] => 20240012610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => Playback Session Transitions Across Different Platforms [patent_app_type] => utility [patent_app_number] => 18/349885 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18349885 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/349885
Playback Session Transitions Across Different Platforms Jul 9, 2023 Pending
Array ( [id] => 19117909 [patent_doc_number] => 20240129659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => Noise canceling audio headset [patent_app_type] => utility [patent_app_number] => 18/327852 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3630 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327852
Noise canceling audio headset May 31, 2023 Issued
Array ( [id] => 19271016 [patent_doc_number] => 20240214722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => SPEAKER CONTROL METHOD AND DEVICE, TERMINAL EQUIPMENT AND COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/327013 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5360 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327013 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327013
SPEAKER CONTROL METHOD AND DEVICE, TERMINAL EQUIPMENT AND COMPUTER-READABLE STORAGE MEDIUM May 30, 2023 Pending
Array ( [id] => 18601303 [patent_doc_number] => 20230276108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => APPARATUS AND METHOD FOR PROVIDING AUDIO DESCRIPTION CONTENT [patent_app_type] => utility [patent_app_number] => 18/143241 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143241 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143241
APPARATUS AND METHOD FOR PROVIDING AUDIO DESCRIPTION CONTENT May 3, 2023 Pending
Array ( [id] => 19559559 [patent_doc_number] => 20240371351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => EAR-WORN HEARING DEVICE WITH ACTIVE OCCLUSION REDUCTION [patent_app_type] => utility [patent_app_number] => 18/310193 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18310193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/310193
EAR-WORN HEARING DEVICE WITH ACTIVE OCCLUSION REDUCTION Apr 30, 2023 Pending
Array ( [id] => 19544578 [patent_doc_number] => 20240361614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => EARBUDS COUPLED TO SMART GLASSES [patent_app_type] => utility [patent_app_number] => 18/308488 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3743 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308488 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308488
EARBUDS COUPLED TO SMART GLASSES Apr 26, 2023 Pending
Array ( [id] => 18587241 [patent_doc_number] => 20230269506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => VIBRATION SENSOR MODULE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/307411 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307411
VIBRATION SENSOR MODULE AND ELECTRONIC DEVICE Apr 25, 2023 Pending
Array ( [id] => 18566440 [patent_doc_number] => 20230256768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => JOKE APPARATUS FOR PLAYING PRE-RECORDED SOUND [patent_app_type] => utility [patent_app_number] => 18/305019 [patent_app_country] => US [patent_app_date] => 2023-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5237 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305019 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305019
JOKE APPARATUS FOR PLAYING PRE-RECORDED SOUND Apr 20, 2023 Pending
Array ( [id] => 18660940 [patent_doc_number] => 20230306952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => SYSTEMS AND METHODS FOR THROUGH WALL COMMUNICATIONS [patent_app_type] => utility [patent_app_number] => 18/126738 [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] => 4513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126738 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126738
SYSTEMS AND METHODS FOR THROUGH WALL COMMUNICATIONS Mar 26, 2023 Abandoned
Array ( [id] => 20415613 [patent_doc_number] => 12498898 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Steering audio recordings in a surveillance system [patent_app_type] => utility [patent_app_number] => 18/186609 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1019 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18186609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/186609
STEERING AUDIO RECORDINGS IN A SURVEILLANCE SYSTEM Mar 19, 2023 Issued
Array ( [id] => 19421977 [patent_doc_number] => 20240298101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => WIRELESS EARPIECE WITH SINGLE VENT [patent_app_type] => utility [patent_app_number] => 18/176887 [patent_app_country] => US [patent_app_date] => 2023-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18176887 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/176887
WIRELESS EARPIECE WITH SINGLE VENT Feb 28, 2023 Pending
Array ( [id] => 18471200 [patent_doc_number] => 20230205486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => WIRELESS POWER TRANSFER FOR AUDIO PLAYBACK DEVICES [patent_app_type] => utility [patent_app_number] => 18/175308 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18175308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175308
WIRELESS POWER TRANSFER FOR AUDIO PLAYBACK DEVICES Feb 26, 2023 Pending
Array ( [id] => 18471200 [patent_doc_number] => 20230205486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => WIRELESS POWER TRANSFER FOR AUDIO PLAYBACK DEVICES [patent_app_type] => utility [patent_app_number] => 18/175308 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18175308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175308
WIRELESS POWER TRANSFER FOR AUDIO PLAYBACK DEVICES Feb 26, 2023 Pending
Array ( [id] => 18568990 [patent_doc_number] => 20230259326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => WIRELESS POWER TRANSFER FOR AUDIO PLAYBACK DEVICES [patent_app_type] => utility [patent_app_number] => 18/175320 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18175320 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175320
WIRELESS POWER TRANSFER FOR AUDIO PLAYBACK DEVICES Feb 26, 2023 Pending
Array ( [id] => 20260111 [patent_doc_number] => 12432479 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Earphone and mobile terminal [patent_app_type] => utility [patent_app_number] => 18/174717 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 3833 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18174717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/174717
Earphone and mobile terminal Feb 26, 2023 Issued
Array ( [id] => 19394221 [patent_doc_number] => 20240284091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Ambient Sound Controlled Assembly [patent_app_type] => utility [patent_app_number] => 18/112123 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2041 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18112123 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112123
Ambient Sound Controlled Assembly Feb 20, 2023 Abandoned
Array ( [id] => 18425476 [patent_doc_number] => 20230179941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => Audio Signal Rendering Method and Apparatus [patent_app_type] => utility [patent_app_number] => 18/161527 [patent_app_country] => US [patent_app_date] => 2023-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20897 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18161527 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/161527
Audio Signal Rendering Method and Apparatus Jan 29, 2023 Abandoned
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