Search

Joseph Chang

Examiner (ID: 18846, Phone: (571)272-1759 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2842, 2817, 2843, 2836, 2849
Total Applications
2209
Issued Applications
1939
Pending Applications
126
Abandoned Applications
172

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9754575 [patent_doc_number] => 20140285275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-25 [patent_title] => 'OSCILLATOR' [patent_app_type] => utility [patent_app_number] => 14/197605 [patent_app_country] => US [patent_app_date] => 2014-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 12655 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14197605 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/197605
OSCILLATOR Mar 4, 2014 Abandoned
Array ( [id] => 11392262 [patent_doc_number] => 09553517 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-24 [patent_title] => 'Hybrid energy storage system and methods' [patent_app_type] => utility [patent_app_number] => 14/190398 [patent_app_country] => US [patent_app_date] => 2014-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2255 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14190398 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/190398
Hybrid energy storage system and methods Feb 25, 2014 Issued
Array ( [id] => 12102766 [patent_doc_number] => 09859872 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-02 [patent_title] => 'Apparatus and method for temperature measurement and/or calibration via resonant peaks in an oscillator' [patent_app_type] => utility [patent_app_number] => 14/188075 [patent_app_country] => US [patent_app_date] => 2014-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3813 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14188075 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/188075
Apparatus and method for temperature measurement and/or calibration via resonant peaks in an oscillator Feb 23, 2014 Issued
Array ( [id] => 9535177 [patent_doc_number] => 20140159824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-12 [patent_title] => 'Orthogonally referenced integrated ensemble for navigation and timing' [patent_app_type] => utility [patent_app_number] => 14/180035 [patent_app_country] => US [patent_app_date] => 2014-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 7676 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14180035 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/180035
Orthogonally referenced integrated ensemble for navigation and timing Feb 12, 2014 Abandoned
Array ( [id] => 10093740 [patent_doc_number] => 09130576 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-08 [patent_title] => 'Common reference crystal systems' [patent_app_type] => utility [patent_app_number] => 14/170872 [patent_app_country] => US [patent_app_date] => 2014-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 17873 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14170872 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/170872
Common reference crystal systems Feb 2, 2014 Issued
Array ( [id] => 9632455 [patent_doc_number] => 20140210563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'CRYSTAL CONTROLLED OSCILLATOR AND OSCILLATING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/166814 [patent_app_country] => US [patent_app_date] => 2014-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10450 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14166814 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/166814
Crystal controlled oscillator and oscillating device Jan 27, 2014 Issued
Array ( [id] => 9640010 [patent_doc_number] => 20140218121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'SURFACE MOUNT DEVICE-TYPE LOW-PROFILE OSCILLATOR' [patent_app_type] => utility [patent_app_number] => 14/166822 [patent_app_country] => US [patent_app_date] => 2014-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10598 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14166822 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/166822
Surface mount device-type low-profile oscillator Jan 27, 2014 Issued
Array ( [id] => 9614023 [patent_doc_number] => 20140203879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'TEMPERATURE CONTROLLED OSCILLATOR AND TEMPERATURE SENSOR INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/159492 [patent_app_country] => US [patent_app_date] => 2014-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 18932 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14159492 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/159492
Temperature controlled oscillator and temperature sensor including the same Jan 20, 2014 Issued
Array ( [id] => 11802930 [patent_doc_number] => 09543854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-10 [patent_title] => 'Solar photovoltaic three-phase micro-inverter system and a method for improving the conversion efficiency thereof' [patent_app_type] => utility [patent_app_number] => 14/160478 [patent_app_country] => US [patent_app_date] => 2014-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3996 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14160478 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/160478
Solar photovoltaic three-phase micro-inverter system and a method for improving the conversion efficiency thereof Jan 20, 2014 Issued
Array ( [id] => 9632454 [patent_doc_number] => 20140210562 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'SINGLE-ENDED RING OSCILLATOR WITH FULLY DIFFERENTIAL SIGNAL' [patent_app_type] => utility [patent_app_number] => 14/158034 [patent_app_country] => US [patent_app_date] => 2014-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2761 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14158034 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/158034
Single ended ring oscillator with fully differential signal Jan 16, 2014 Issued
Array ( [id] => 9601213 [patent_doc_number] => 20140197895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-17 [patent_title] => 'VARIABILITY AND AGING SENSOR FOR INTEGRATED CIRCUITS' [patent_app_type] => utility [patent_app_number] => 14/157009 [patent_app_country] => US [patent_app_date] => 2014-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6587 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14157009 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/157009
Variability and aging sensor for integrated circuits Jan 15, 2014 Issued
Array ( [id] => 9958928 [patent_doc_number] => 09007140 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-04-14 [patent_title] => 'Digitally controlled wide range pulse width modulator' [patent_app_type] => utility [patent_app_number] => 14/150434 [patent_app_country] => US [patent_app_date] => 2014-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3567 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14150434 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/150434
Digitally controlled wide range pulse width modulator Jan 7, 2014 Issued
Array ( [id] => 9447914 [patent_doc_number] => 20140119083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-01 [patent_title] => 'DC/AC CONVERTER, POWER GENERATION PLANT AND OPERATING METHOD FOR A DC/AC CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/148928 [patent_app_country] => US [patent_app_date] => 2014-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4367 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14148928 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/148928
DC/AC converter, power generation plant and operating method for a DC/AC converter Jan 6, 2014 Issued
Array ( [id] => 10046973 [patent_doc_number] => 09087372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-21 [patent_title] => 'Automated fly through review mechanism' [patent_app_type] => utility [patent_app_number] => 14/141957 [patent_app_country] => US [patent_app_date] => 2013-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 11598 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14141957 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/141957
Automated fly through review mechanism Dec 26, 2013 Issued
Array ( [id] => 10271381 [patent_doc_number] => 20150156377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-04 [patent_title] => 'CLOCK SIGNAL GENERATING CIRCUIT AND VIDEO SIGNAL PROCESSING CIRCUIT USING SAME' [patent_app_type] => utility [patent_app_number] => 14/141482 [patent_app_country] => US [patent_app_date] => 2013-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2448 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14141482 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/141482
Clock signal generating circuit and video signal processing circuit using same Dec 26, 2013 Issued
Array ( [id] => 9595140 [patent_doc_number] => 20140191817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-10 [patent_title] => 'PWM SIGNAL GENERATING CIRCUIT, PRINTER, AND PWM SIGNAL GENERATING METHOD' [patent_app_type] => utility [patent_app_number] => 14/141860 [patent_app_country] => US [patent_app_date] => 2013-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4891 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14141860 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/141860
PWM signal generating circuit, printer, and PWM signal generating method Dec 26, 2013 Issued
Array ( [id] => 10472806 [patent_doc_number] => 20150357823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-10 [patent_title] => 'MULTIPATH CURRENT SOURCE SWITCHING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/655520 [patent_app_country] => US [patent_app_date] => 2013-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9131 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14655520 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/655520
Multipath current source switching device Dec 26, 2013 Issued
Array ( [id] => 12555426 [patent_doc_number] => 10014707 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-03 [patent_title] => Method for managing the electric power network of an aircraft [patent_app_type] => utility [patent_app_number] => 14/655707 [patent_app_country] => US [patent_app_date] => 2013-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 4401 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14655707 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/655707
Method for managing the electric power network of an aircraft Dec 23, 2013 Issued
Array ( [id] => 10448504 [patent_doc_number] => 20150333519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'CONTROL METHOD AND CONTROL SYSTEM FOR PARALLEL OPERATION BETWEEN DIFFERENT TYPES OF POWER GENERATOR' [patent_app_type] => utility [patent_app_number] => 14/653422 [patent_app_country] => US [patent_app_date] => 2013-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8379 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14653422 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/653422
Control method and control system for parallel operation between different types of power generator Dec 17, 2013 Issued
Array ( [id] => 10107300 [patent_doc_number] => 09143086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-22 [patent_title] => 'Power-efficient multi-frequency resonant clock meshes' [patent_app_type] => utility [patent_app_number] => 14/133089 [patent_app_country] => US [patent_app_date] => 2013-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1376 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14133089 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/133089
Power-efficient multi-frequency resonant clock meshes Dec 17, 2013 Issued
Menu