Jianchun Qin

Array ( [id] => 17802994 [patent_doc_number] => 11417303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Musical sound data reproduction device and musical sound data reproduction method [patent_app_type] => utility [patent_app_number] => 16/810926 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10306 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16810926 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20928776 [patent_doc_number] => 12722936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-01 [patent_title] => Method for controlling an elevator [patent_app_type] => utility [patent_app_number] => 16/807930 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16807930 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16904429 [patent_doc_number] => 20210183345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => PORTABLE DEVICE TO LIMIT UNWANTED MOVEMENT OF DRUMS AND OTHER MUSICAL INSTRUMENTS [patent_app_type] => utility [patent_app_number] => 16/798364 [patent_app_country] => US [patent_app_date] => 2020-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3994 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16798364 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16379822 [patent_doc_number] => 20200328665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => LINEAR MOTOR STRUCTURE [patent_app_type] => utility [patent_app_number] => 16/797433 [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] => 3734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16797433 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18447361 [patent_doc_number] => 11682940 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Rotor [patent_app_type] => utility [patent_app_number] => 16/784473 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2558 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784473 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18031681 [patent_doc_number] => 11514876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Learning model generation method, learning model generation device, and automatic musical performance robot [patent_app_type] => utility [patent_app_number] => 16/778399 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6422 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16778399 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16528407 [patent_doc_number] => 20200402488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => SYSTEMS, DEVICES, AND METHODS FOR HARMONIC STRUCTURE IN DIGITAL REPRESENTATIONS OF MUSIC [patent_app_type] => utility [patent_app_number] => 16/775254 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16775254 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16528406 [patent_doc_number] => 20200402487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => SYSTEMS, DEVICES, AND METHODS FOR VARYING MUSICAL COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 16/775250 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16775250 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16552721 [patent_doc_number] => 10885885 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-01-05 [patent_title] => Musical instrument combining sound characteristics of a guitar and banjo [patent_app_type] => utility [patent_app_number] => 16/752843 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 23 [patent_no_of_words] => 8068 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 368 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16752843 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19886619 [patent_doc_number] => 12272342 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Filter effect imparting device, electronic musical instrument, and control method for electronic musical instrument [patent_app_type] => utility [patent_app_number] => 17/441269 [patent_app_country] => US [patent_app_date] => 2020-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5541 [patent_no_of_claims] => 13 [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] => 17441269 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17803777 [patent_doc_number] => 11418093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Electric motor with improved heat dissipation and productivity and method for manufacturing same [patent_app_type] => utility [patent_app_number] => 16/744402 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3731 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16744402 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16895975 [patent_doc_number] => 11037535 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Low friction tuner [patent_app_type] => utility [patent_app_number] => 16/740558 [patent_app_country] => US [patent_app_date] => 2020-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 1569 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 16740558 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17942281 [patent_doc_number] => 11476746 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Electromechanical energy conversion system based on double conductor [patent_app_type] => utility [patent_app_number] => 16/739644 [patent_app_country] => US [patent_app_date] => 2020-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3917 [patent_no_of_claims] => 7 [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] => 16739644 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19370263 [patent_doc_number] => 12062353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Saddle and bridge for reducing longitudinal waves in a string instrument [patent_app_type] => utility [patent_app_number] => 16/737260 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 29 [patent_no_of_words] => 4406 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16737260 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 15872747 [patent_doc_number] => 20200143777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => VIBRATO DEVICE FOR GUITAR [patent_app_type] => utility [patent_app_number] => 16/737634 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16737634 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16920267 [patent_doc_number] => 20210193359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => TYPE OF ELECTROMAGNET USED FOR VARIOUS APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/720440 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3683 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16720440 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17295097 [patent_doc_number] => 20210390936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => KEY-SWITCH FOR A MUSIC KEYBOARD [patent_app_type] => utility [patent_app_number] => 17/311158 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9034 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17311158 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17731304 [patent_doc_number] => 11387708 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Alternator system for an electric vehicle [patent_app_type] => utility [patent_app_number] => 16/701424 [patent_app_country] => US [patent_app_date] => 2019-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1847 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16701424 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 15968865 [patent_doc_number] => 20200168184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => Instrument musical ergonomique et chromatique [patent_app_type] => utility [patent_app_number] => 16/686465 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16686465 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16826883 [patent_doc_number] => 20210142176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => REGION CONSTRAINED REGULARIZED ADVERSARIAL EXAMPLES FOR MODEL INTERPRETABILITY [patent_app_type] => utility [patent_app_number] => 16/681868 [patent_app_country] => US [patent_app_date] => 2019-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16681868 [rel_patent_id] =>[rel_patent_doc_number] =>)