Search

Haixia Du

Examiner (ID: 12191, Phone: (571)270-5646 , Office: P/2611 )

Most Active Art Unit
2611
Art Unit(s)
2628, 2699, 2611, 2600, 2677
Total Applications
613
Issued Applications
500
Pending Applications
46
Abandoned Applications
74

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17231906 [patent_doc_number] => 20210358463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => SWITCH LOCK APPARATUS AND METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/323596 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5668 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17323596 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/323596
Switch lock apparatus and method thereof May 17, 2021 Issued
Array ( [id] => 17246702 [patent_doc_number] => 20210366447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => ELECTRONIC PERCUSSION INSTRUMENT AND METHOD OF DETECTING PERCUSSION POSITION [patent_app_type] => utility [patent_app_number] => 17/321530 [patent_app_country] => US [patent_app_date] => 2021-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17321530 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/321530
Electronic percussion instrument and method of detecting percussion position May 16, 2021 Issued
Array ( [id] => 18158450 [patent_doc_number] => 20230025042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => A PRACTICE HORN [patent_app_type] => utility [patent_app_number] => 17/782715 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4902 [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] => 17782715 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/782715
A PRACTICE HORN Dec 7, 2020 Pending
Array ( [id] => 18112580 [patent_doc_number] => 20230005460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, PROGRAM, SIGNAL PROCESSING SYSTEM, AND ENCODING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/782981 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11752 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17782981 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/782981
SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, PROGRAM, SIGNAL PROCESSING SYSTEM, AND ENCODING APPARATUS Dec 1, 2020 Pending
Array ( [id] => 18112577 [patent_doc_number] => 20230005457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => SYSTEM FOR GENERATING A SIGNAL BASED ON A TOUCH COMMAND AND ON AN OPTICAL COMMAND [patent_app_type] => utility [patent_app_number] => 17/778256 [patent_app_country] => US [patent_app_date] => 2020-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10845 [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] => 17778256 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/778256
SYSTEM FOR GENERATING A SIGNAL BASED ON A TOUCH COMMAND AND ON AN OPTICAL COMMAND Nov 18, 2020 Abandoned
Array ( [id] => 18080668 [patent_doc_number] => 20220406280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM [patent_app_type] => utility [patent_app_number] => 17/756123 [patent_app_country] => US [patent_app_date] => 2020-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23156 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17756123 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/756123
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING PROGRAM Nov 16, 2020 Pending
Array ( [id] => 18660931 [patent_doc_number] => 20230306943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => VOCAL TRACK REMOVAL BY CONVOLUTIONAL NEURAL NETWORK EMBEDDED VOICE FINGER PRINTING ON STANDARD ARM EMBEDDED PLATFORM [patent_app_type] => utility [patent_app_number] => 18/249913 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3710 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18249913 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/249913
VOCAL TRACK REMOVAL BY CONVOLUTIONAL NEURAL NETWORK EMBEDDED VOICE FINGER PRINTING ON STANDARD ARM EMBEDDED PLATFORM Oct 21, 2020 Pending
Array ( [id] => 17886052 [patent_doc_number] => 20220301529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => SYSTEM AND METHOD FOR DISTRIBUTED MUSICIAN SYNCHRONIZED PERFORMANCES [patent_app_type] => utility [patent_app_number] => 17/636458 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17636458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/636458
SYSTEM AND METHOD FOR DISTRIBUTED MUSICIAN SYNCHRONIZED PERFORMANCES Sep 10, 2020 Pending
Array ( [id] => 17870336 [patent_doc_number] => 20220293073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND PROGRAM [patent_app_type] => utility [patent_app_number] => 17/635073 [patent_app_country] => US [patent_app_date] => 2020-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17635073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/635073
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND PROGRAM Aug 10, 2020 Pending
Array ( [id] => 20317936 [patent_doc_number] => 12456491 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Method and system for realizing intelligent matching and adding of rhythmic tracks [patent_app_type] => utility [patent_app_number] => 17/633935 [patent_app_country] => US [patent_app_date] => 2020-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17633935 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/633935
Method and system for realizing intelligent matching and adding of rhythmic tracks Aug 6, 2020 Issued
Array ( [id] => 18067912 [patent_doc_number] => 20220399000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => SYSTEM OF GENERATING MODEL FOR ESTIMATION, AND ESTIMATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/624436 [patent_app_country] => US [patent_app_date] => 2020-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9930 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17624436 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/624436
System of generating model for estimation, and estimation system Jun 16, 2020 Issued
Array ( [id] => 17566211 [patent_doc_number] => 20220130360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => Song Recording Method, Audio Correction Method, and Electronic Device [patent_app_type] => utility [patent_app_number] => 17/434555 [patent_app_country] => US [patent_app_date] => 2020-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16481 [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] => 17434555 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/434555
Song Recording Method, Audio Correction Method, and Electronic Device Feb 20, 2020 Pending
Array ( [id] => 18712465 [patent_doc_number] => 20230335098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => DEVICE AND METHOD FOR CONTROLLING FEEDBACK OF ELECTRONIC PERCUSSION INSTRUMENT AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 17/787595 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17787595 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/787595
DEVICE AND METHOD FOR CONTROLLING FEEDBACK OF ELECTRONIC PERCUSSION INSTRUMENT AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM Dec 26, 2019 Pending
Array ( [id] => 20648123 [patent_doc_number] => 12603073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Electronic percussion instrument, control device for electronic percussion instrument, and control method therefor [patent_app_type] => utility [patent_app_number] => 17/788310 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17788310 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/788310
Electronic percussion instrument, control device for electronic percussion instrument, and control method therefor Dec 26, 2019 Issued
Array ( [id] => 17217440 [patent_doc_number] => 20210350778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => METHOD AND SYSTEM FOR PROCESSING AUDIO STEMS [patent_app_type] => utility [patent_app_number] => 17/282876 [patent_app_country] => US [patent_app_date] => 2019-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17282876 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/282876
METHOD AND SYSTEM FOR PROCESSING AUDIO STEMS Oct 9, 2019 Abandoned
Array ( [id] => 17963303 [patent_doc_number] => 20220343884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => ARPEGGIATOR, RECORDING MEDIUM AND METHOD OF MAKING ARPEGGIO [patent_app_type] => utility [patent_app_number] => 17/639897 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17639897 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/639897
ARPEGGIATOR, RECORDING MEDIUM AND METHOD OF MAKING ARPEGGIO Sep 3, 2019 Abandoned
Array ( [id] => 20359868 [patent_doc_number] => 12475871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Arpeggiator, recording medium and method of making arpeggio [patent_app_type] => utility [patent_app_number] => 17/639594 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8902 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17639594 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/639594
Arpeggiator, recording medium and method of making arpeggio Sep 3, 2019 Issued
Array ( [id] => 20229101 [patent_doc_number] => 12417755 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Arpeggiator, recording medium and method of making arpeggio [patent_app_type] => utility [patent_app_number] => 17/640324 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7586 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17640324 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/640324
Arpeggiator, recording medium and method of making arpeggio Sep 3, 2019 Issued
Array ( [id] => 17833272 [patent_doc_number] => 20220270576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => EMULATING A VIRTUAL INSTRUMENT FROM A CONTINUOUS MOVEMENT VIA A MIDI PROTOCOL [patent_app_type] => utility [patent_app_number] => 17/628392 [patent_app_country] => US [patent_app_date] => 2019-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17628392 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/628392
EMULATING A VIRTUAL INSTRUMENT FROM A CONTINUOUS MOVEMENT VIA A MIDI PROTOCOL Jul 18, 2019 Abandoned
Array ( [id] => 17985670 [patent_doc_number] => 20220351707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => METHOD AND DEVICE FOR FLATTENING POWER OF MUSICAL SOUND SIGNAL, AND METHOD AND DEVICE FOR DETECTING BEAT TIMING OF MUSICAL PIECE [patent_app_type] => utility [patent_app_number] => 17/622236 [patent_app_country] => US [patent_app_date] => 2019-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17622236 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/622236
METHOD AND DEVICE FOR FLATTENING POWER OF MUSICAL SOUND SIGNAL, AND METHOD AND DEVICE FOR DETECTING BEAT TIMING OF MUSICAL PIECE Jun 26, 2019 Abandoned
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