
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |