Search

Cheukfan Lee

Examiner (ID: 10597, Phone: (571)272-7407 , Office: P/2673 )

Most Active Art Unit
2625
Art Unit(s)
2622, 2625, 2676, 2616, 2722, 2682, 2674, 2612, 2673, 2627
Total Applications
2133
Issued Applications
1807
Pending Applications
64
Abandoned Applications
271

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19927343 [patent_doc_number] => 12301646 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Transmitting data using audio transmissions and quadrature amplitude modulation and associated equalization strategies [patent_app_type] => utility [patent_app_number] => 18/381863 [patent_app_country] => US [patent_app_date] => 2023-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 16944 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381863
Transmitting data using audio transmissions and quadrature amplitude modulation and associated equalization strategies Oct 18, 2023 Issued
Array ( [id] => 19458624 [patent_doc_number] => 12099109 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Location determination using acoustic models [patent_app_type] => utility [patent_app_number] => 18/380940 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 15890 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18380940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380940
Location determination using acoustic models Oct 16, 2023 Issued
Array ( [id] => 19128645 [patent_doc_number] => 20240133998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => SYSTEM AND METHOD FOR DETERMINING A DISTANCE BETWEEN NETWORKED ELECTRONIC DEVICES EACH COMPRISING A LOUDSPEAKER AND A MICROPHONE [patent_app_type] => utility [patent_app_number] => 18/481562 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481562 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481562
System and method for determining a distance between networked electronic devices each comprising a loudspeaker and a microphone Oct 4, 2023 Issued
Array ( [id] => 19892972 [patent_doc_number] => 20250118284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => MULTI-LAYER PHASE MODULATION ACOUSTIC LENS [patent_app_type] => utility [patent_app_number] => 18/480602 [patent_app_country] => US [patent_app_date] => 2023-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18480602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/480602
MULTI-LAYER PHASE MODULATION ACOUSTIC LENS Oct 3, 2023 Pending
Array ( [id] => 19117905 [patent_doc_number] => 20240129655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => Acoustic Transducer Mounts [patent_app_type] => utility [patent_app_number] => 18/481000 [patent_app_country] => US [patent_app_date] => 2023-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11468 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481000 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481000
Acoustic Transducer Mounts Oct 3, 2023 Pending
Array ( [id] => 19101784 [patent_doc_number] => 20240121012 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => CONTACTLESS IN-PERSON TRANSACTION VIA HIGH FREQUENCY SOUND [patent_app_type] => utility [patent_app_number] => 18/376775 [patent_app_country] => US [patent_app_date] => 2023-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10293 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18376775 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/376775
CONTACTLESS IN-PERSON TRANSACTION VIA HIGH FREQUENCY SOUND Oct 3, 2023 Pending
Array ( [id] => 19595317 [patent_doc_number] => 12153155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Mobile device based control device locator [patent_app_type] => utility [patent_app_number] => 18/474099 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 13061 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18474099 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474099
Mobile device based control device locator Sep 24, 2023 Issued
Array ( [id] => 20345773 [patent_doc_number] => 12469508 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Information exchange on mobile devices using audio [patent_app_type] => utility [patent_app_number] => 18/467912 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4888 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18467912 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467912
Information exchange on mobile devices using audio Sep 14, 2023 Issued
Array ( [id] => 18865508 [patent_doc_number] => 20230419945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => SOUND IMAGE LOCALIZATION DEVICE, SOUND IMAGE LOCALIZATION METHOD, AND PROGRAM [patent_app_type] => utility [patent_app_number] => 18/367266 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5144 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18367266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/367266
SOUND IMAGE LOCALIZATION DEVICE, SOUND IMAGE LOCALIZATION METHOD, AND PROGRAM Sep 11, 2023 Pending
Array ( [id] => 19565921 [patent_doc_number] => 12140687 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Device for acoustic source localization [patent_app_type] => utility [patent_app_number] => 18/239813 [patent_app_country] => US [patent_app_date] => 2023-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 8589 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239813 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239813
Device for acoustic source localization Aug 29, 2023 Issued
Array ( [id] => 19702850 [patent_doc_number] => 12196870 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Device for acoustic source localization [patent_app_type] => utility [patent_app_number] => 18/239807 [patent_app_country] => US [patent_app_date] => 2023-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 8584 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239807 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239807
Device for acoustic source localization Aug 29, 2023 Issued
Array ( [id] => 20549925 [patent_doc_number] => 12560711 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Auditory-based environment monitoring [patent_app_type] => utility [patent_app_number] => 18/456834 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 2265 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18456834 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456834
Auditory-based environment monitoring Aug 27, 2023 Issued
Array ( [id] => 19580842 [patent_doc_number] => 12146951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Underwater optical metrology system [patent_app_type] => utility [patent_app_number] => 18/236291 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 15944 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18236291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/236291
Underwater optical metrology system Aug 20, 2023 Issued
Array ( [id] => 18965392 [patent_doc_number] => 11899149 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-13 [patent_title] => Method for automatically identifying active source azimuth of planetary seismometer [patent_app_type] => utility [patent_app_number] => 18/447322 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2940 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447322 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447322
Method for automatically identifying active source azimuth of planetary seismometer Aug 9, 2023 Issued
Array ( [id] => 19235169 [patent_doc_number] => 20240192363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => CHARACTERISING WAVE PROPERTIES BASED ON MEASUREMENT DATA USING A MACHINE-LEARNING MODEL [patent_app_type] => utility [patent_app_number] => 18/363506 [patent_app_country] => US [patent_app_date] => 2023-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7099 [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] => 18363506 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363506
Characterising wave properties based on measurement data using a machine-learning model Jul 31, 2023 Issued
Array ( [id] => 18771855 [patent_doc_number] => 20230366676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Angle Determining Method, Electronic Device, and Chip System [patent_app_type] => utility [patent_app_number] => 18/360987 [patent_app_country] => US [patent_app_date] => 2023-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18360987 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/360987
Angle determining method, electronic device, and chip system Jul 27, 2023 Issued
Array ( [id] => 20439808 [patent_doc_number] => 12510642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Signal processing methods and systems [patent_app_type] => utility [patent_app_number] => 18/355408 [patent_app_country] => US [patent_app_date] => 2023-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 12144 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355408
Signal processing methods and systems Jul 18, 2023 Issued
Array ( [id] => 18773941 [patent_doc_number] => 20230368771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Acoustic Transducer Structures [patent_app_type] => utility [patent_app_number] => 18/352981 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18352981 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/352981
Acoustic transducer structures Jul 13, 2023 Issued
Array ( [id] => 18921914 [patent_doc_number] => 20240024918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => Altering and Enhancing Resonator Performances Using Free to Fixed Boundary Ratio (FFBR) Topology [patent_app_type] => utility [patent_app_number] => 18/350825 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18350825 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/350825
Altering and enhancing resonator performances using free to fixed boundary ratio (FFBR) topology Jul 11, 2023 Issued
Array ( [id] => 19369199 [patent_doc_number] => 12061278 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-08-13 [patent_title] => Acoustic identification of audio products [patent_app_type] => utility [patent_app_number] => 18/346162 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9081 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18346162 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/346162
Acoustic identification of audio products Jun 29, 2023 Issued
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