Search

Leshui Zhang

Examiner (ID: 5129, Phone: (571)270-5589 , Office: P/2654 )

Most Active Art Unit
2654
Art Unit(s)
2614, 2695, 2654
Total Applications
1016
Issued Applications
735
Pending Applications
88
Abandoned Applications
212

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17592079 [patent_doc_number] => 11330368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Portable microphone array apparatus and system and processing method [patent_app_type] => utility [patent_app_number] => 16/867541 [patent_app_country] => US [patent_app_date] => 2020-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12486 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16867541 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/867541
Portable microphone array apparatus and system and processing method May 4, 2020 Issued
Array ( [id] => 16676964 [patent_doc_number] => 20210065730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => ELECTRONIC SYSTEM WITH POWER-SAVING ECHO CANCELLATION AND RELATED ECHO CANCELLATION METHOD [patent_app_type] => utility [patent_app_number] => 16/836964 [patent_app_country] => US [patent_app_date] => 2020-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2731 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16836964 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/836964
ELECTRONIC SYSTEM WITH POWER-SAVING ECHO CANCELLATION AND RELATED ECHO CANCELLATION METHOD Mar 31, 2020 Abandoned
Array ( [id] => 16424765 [patent_doc_number] => 20200349963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => ECHO CANCELLATION SYSTEM AND METHOD OF MULTICHANNEL SOUND MIXING [patent_app_type] => utility [patent_app_number] => 16/832188 [patent_app_country] => US [patent_app_date] => 2020-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3610 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16832188 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/832188
ECHO CANCELLATION SYSTEM AND METHOD OF MULTICHANNEL SOUND MIXING Mar 26, 2020 Abandoned
Array ( [id] => 17617093 [patent_doc_number] => 20220159373 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => METHOD FOR ENHANCING FAR-FIELD SPEECH RECOGNITION RATE, SYSTEM AND READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 17/438986 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17438986 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/438986
METHOD FOR ENHANCING FAR-FIELD SPEECH RECOGNITION RATE, SYSTEM AND READABLE STORAGE MEDIUM Mar 23, 2020 Abandoned
Array ( [id] => 17471200 [patent_doc_number] => 11277692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Speech input method, recording medium, and speech input device [patent_app_type] => utility [patent_app_number] => 16/828118 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 7074 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [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] => 16828118 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/828118
Speech input method, recording medium, and speech input device Mar 23, 2020 Issued
Array ( [id] => 18049249 [patent_doc_number] => 11523216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Audio system [patent_app_type] => utility [patent_app_number] => 16/828376 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3344 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16828376 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/828376
Audio system Mar 23, 2020 Issued
Array ( [id] => 16616942 [patent_doc_number] => 20210035595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => NOISE REDUCTION APPARATUS [patent_app_type] => utility [patent_app_number] => 16/826610 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5568 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16826610 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/826610
Noise reduction apparatus Mar 22, 2020 Issued
Array ( [id] => 16945439 [patent_doc_number] => 11057705 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-07-06 [patent_title] => Validation of audio-sealing pathway [patent_app_type] => utility [patent_app_number] => 16/827253 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8764 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16827253 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/827253
Validation of audio-sealing pathway Mar 22, 2020 Issued
Array ( [id] => 16773662 [patent_doc_number] => 10984779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-20 [patent_title] => Audio adjustment method and associated audio adjustment device for active noise cancellation [patent_app_type] => utility [patent_app_number] => 16/827616 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2660 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16827616 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/827616
Audio adjustment method and associated audio adjustment device for active noise cancellation Mar 22, 2020 Issued
Array ( [id] => 16166033 [patent_doc_number] => 20200221249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => Method, Apparatus or Systems for Processing Audio Objects [patent_app_type] => utility [patent_app_number] => 16/820769 [patent_app_country] => US [patent_app_date] => 2020-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12235 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16820769 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/820769
Method, apparatus or systems for processing audio objects Mar 16, 2020 Issued
Array ( [id] => 17827117 [patent_doc_number] => 11432086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Centrally controlling communication at a venue [patent_app_type] => utility [patent_app_number] => 16/818939 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 13595 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16818939 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/818939
Centrally controlling communication at a venue Mar 12, 2020 Issued
Array ( [id] => 17211894 [patent_doc_number] => 11172292 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-09 [patent_title] => Voice processing system [patent_app_type] => utility [patent_app_number] => 16/816479 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 8377 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16816479 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/816479
Voice processing system Mar 11, 2020 Issued
Array ( [id] => 17566257 [patent_doc_number] => 20220130406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => NOISE SPATIAL COVARIANCE MATRIX ESTIMATION APPARATUS, NOISE SPATIAL COVARIANCE MATRIX ESTIMATION METHOD, AND PROGRAM [patent_app_type] => utility [patent_app_number] => 17/437701 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17437701 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/437701
Noise spatial covariance matrix estimation apparatus, noise spatial covariance matrix estimation method, and program Feb 27, 2020 Issued
Array ( [id] => 16768029 [patent_doc_number] => 10979826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-13 [patent_title] => Optical microphone for eyewear devices [patent_app_type] => utility [patent_app_number] => 16/803839 [patent_app_country] => US [patent_app_date] => 2020-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 12513 [patent_no_of_claims] => 15 [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] => 16803839 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/803839
Optical microphone for eyewear devices Feb 26, 2020 Issued
Array ( [id] => 17440303 [patent_doc_number] => 11265653 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-01 [patent_title] => Audio system with configurable zones [patent_app_type] => utility [patent_app_number] => 16/799440 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7165 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16799440 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/799440
Audio system with configurable zones Feb 23, 2020 Issued
Array ( [id] => 16347641 [patent_doc_number] => 20200312292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => ACOUSTIC METAMATERIAL [patent_app_type] => utility [patent_app_number] => 16/799682 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16799682 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/799682
Acoustic metamaterial Feb 23, 2020 Issued
Array ( [id] => 16813949 [patent_doc_number] => 20210136504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => METHOD AND DEVICE FOR PROCESSING INFORMATION, TERMINAL DEVICE, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 16/787929 [patent_app_country] => US [patent_app_date] => 2020-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16787929 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/787929
Method and device for processing information, terminal device, and storage medium Feb 10, 2020 Issued
Array ( [id] => 17698890 [patent_doc_number] => 11372614 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Electronic apparatus, control method thereof, and storage medium [patent_app_type] => utility [patent_app_number] => 16/786358 [patent_app_country] => US [patent_app_date] => 2020-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 10663 [patent_no_of_claims] => 15 [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] => 16786358 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/786358
Electronic apparatus, control method thereof, and storage medium Feb 9, 2020 Issued
Array ( [id] => 17652396 [patent_doc_number] => 11355131 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Time-domain stereo encoding and decoding method and related product [patent_app_type] => utility [patent_app_number] => 16/784759 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 47905 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 571 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784759 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784759
Time-domain stereo encoding and decoding method and related product Feb 6, 2020 Issued
Array ( [id] => 16000255 [patent_doc_number] => 20200175998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => TIME-DOMAIN STEREO PARAMETER ENCODING METHOD AND RELATED PRODUCT [patent_app_type] => utility [patent_app_number] => 16/784539 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 43865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784539 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784539
Time-domain stereo parameter encoding method and related product Feb 6, 2020 Issued
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