Jianchun Qin

Array ( [id] => 4924377 [patent_doc_number] => 20080163740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-10 [patent_title] => 'STRUCTURE FOR ELECTRONIC KEYBOARD INSTRUMENT' [patent_app_type] => utility [patent_app_number] => 11/968627 [patent_app_country] => US [patent_app_date] => 2008-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8746 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0163/20080163740.pdf [firstpage_image] =>[orig_patent_app_number] => 11968627 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 4471695 [patent_doc_number] => 07943838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-17 [patent_title] => 'Saddle for stringed instruments' [patent_app_type] => utility [patent_app_number] => 11/967246 [patent_app_country] => US [patent_app_date] => 2007-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3808 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/943/07943838.pdf [firstpage_image] =>[orig_patent_app_number] => 11967246 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 142405 [patent_doc_number] => 07687694 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-03-30 [patent_title] => 'Low inertia grand piano piano action' [patent_app_type] => utility [patent_app_number] => 11/964148 [patent_app_country] => US [patent_app_date] => 2007-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2770 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/687/07687694.pdf [firstpage_image] =>[orig_patent_app_number] => 11964148 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 33396 [patent_doc_number] => 07790973 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-09-07 [patent_title] => 'Easy-keys' [patent_app_type] => utility [patent_app_number] => 12/004650 [patent_app_country] => US [patent_app_date] => 2007-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 695 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/790/07790973.pdf [firstpage_image] =>[orig_patent_app_number] => 12004650 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 4862421 [patent_doc_number] => 20080141847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-19 [patent_title] => 'KEYBOARD MUSICAL INSTRUMENT' [patent_app_type] => utility [patent_app_number] => 11/959407 [patent_app_country] => US [patent_app_date] => 2007-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6766 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0141/20080141847.pdf [firstpage_image] =>[orig_patent_app_number] => 11959407 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 5541663 [patent_doc_number] => 20090151540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-18 [patent_title] => 'SYSTEM AND METHOD FOR SELECTIVELY ACTIVATING ONE OR MORE FOOT ACTIVATION DEVICES' [patent_app_type] => utility [patent_app_number] => 11/956843 [patent_app_country] => US [patent_app_date] => 2007-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3182 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0151/20090151540.pdf [firstpage_image] =>[orig_patent_app_number] => 11956843 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 4748100 [patent_doc_number] => 20080156170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-03 [patent_title] => 'HOUSING STRUCTURE OF ELECTRONIC KEYBOARD MUSICAL INSTRUMENT' [patent_app_type] => utility [patent_app_number] => 11/952981 [patent_app_country] => US [patent_app_date] => 2007-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 10028 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0156/20080156170.pdf [firstpage_image] =>[orig_patent_app_number] => 11952981 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 5575376 [patent_doc_number] => 20090142738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-04 [patent_title] => 'Music and math teaching system' [patent_app_type] => utility [patent_app_number] => 11/987677 [patent_app_country] => US [patent_app_date] => 2007-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3889 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0142/20090142738.pdf [firstpage_image] =>[orig_patent_app_number] => 11987677 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 4700976 [patent_doc_number] => 20080060498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-13 [patent_title] => 'GUITAR HANGER AND NON-MECHANICAL LOCKING DEVICE' [patent_app_type] => utility [patent_app_number] => 11/940472 [patent_app_country] => US [patent_app_date] => 2007-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1516 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0060/20080060498.pdf [firstpage_image] =>[orig_patent_app_number] => 11940472 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 5406368 [patent_doc_number] => 20090120266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-14 [patent_title] => 'Apparatus For Converting Fretless Fingerboard To Fretted Fingerboard On A Musical Instrument' [patent_app_type] => utility [patent_app_number] => 11/939624 [patent_app_country] => US [patent_app_date] => 2007-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1722 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0120/20090120266.pdf [firstpage_image] =>[orig_patent_app_number] => 11939624 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 122407 [patent_doc_number] => 07709719 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-04 [patent_title] => 'Keyboard apparatus for electronic musical instrument' [patent_app_type] => utility [patent_app_number] => 11/935329 [patent_app_country] => US [patent_app_date] => 2007-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5069 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/709/07709719.pdf [firstpage_image] =>[orig_patent_app_number] => 11935329 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 4935423 [patent_doc_number] => 20080072737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-27 [patent_title] => 'ELECTRONIC DRUM PEDAL' [patent_app_type] => utility [patent_app_number] => 11/928353 [patent_app_country] => US [patent_app_date] => 2007-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 7667 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0072/20080072737.pdf [firstpage_image] =>[orig_patent_app_number] => 11928353 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 7704369 [patent_doc_number] => 08090133 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-03 [patent_title] => 'Earphone speaker with ESD protection' [patent_app_type] => utility [patent_app_number] => 11/875946 [patent_app_country] => US [patent_app_date] => 2007-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1830 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/090/08090133.pdf [firstpage_image] =>[orig_patent_app_number] => 11875946 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 5318533 [patent_doc_number] => 20090056523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-05 [patent_title] => 'Display Device for Guitar Tuners and Method of Displaying Tuned States of Guitar Strings Using the Same' [patent_app_type] => utility [patent_app_number] => 11/875366 [patent_app_country] => US [patent_app_date] => 2007-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2667 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0056/20090056523.pdf [firstpage_image] =>[orig_patent_app_number] => 11875366 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 7704371 [patent_doc_number] => 08090135 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-03 [patent_title] => 'Communication headset' [patent_app_type] => utility [patent_app_number] => 11/874860 [patent_app_country] => US [patent_app_date] => 2007-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2703 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/090/08090135.pdf [firstpage_image] =>[orig_patent_app_number] => 11874860 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 8666425 [patent_doc_number] => 08379895 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-19 [patent_title] => 'Hearing aid device' [patent_app_type] => utility [patent_app_number] => 11/975329 [patent_app_country] => US [patent_app_date] => 2007-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3440 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11975329 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 568772 [patent_doc_number] => 07465866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-12-16 [patent_title] => 'Assistive apparatus and computer-readable medium storing computer program for playing music' [patent_app_type] => utility [patent_app_number] => 11/865066 [patent_app_country] => US [patent_app_date] => 2007-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 29 [patent_no_of_words] => 26299 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/465/07465866.pdf [firstpage_image] =>[orig_patent_app_number] => 11865066 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 4940959 [patent_doc_number] => 20080078280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-03 [patent_title] => 'COMPRESSED DATA STRUCTURE AND APPARATUS AND METHOD RELATED THERETO' [patent_app_type] => utility [patent_app_number] => 11/860484 [patent_app_country] => US [patent_app_date] => 2007-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 24073 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0078/20080078280.pdf [firstpage_image] =>[orig_patent_app_number] => 11860484 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 5445650 [patent_doc_number] => 20090046876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-02-19 [patent_title] => 'Coaxial Loudspeaker' [patent_app_type] => utility [patent_app_number] => 11/858171 [patent_app_country] => US [patent_app_date] => 2007-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1460 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0046/20090046876.pdf [firstpage_image] =>[orig_patent_app_number] => 11858171 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 8538600 [patent_doc_number] => 08314321 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-20 [patent_title] => 'Apparatus and method for transforming an input sound signal' [patent_app_type] => utility [patent_app_number] => 12/678935 [patent_app_country] => US [patent_app_date] => 2007-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4225 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12678935 [rel_patent_id] =>[rel_patent_doc_number] =>)