Search

Joseph Chang

Examiner (ID: 1965, Phone: (571)272-1759 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2842, 2836, 2817, 2849, 2843
Total Applications
2215
Issued Applications
1946
Pending Applications
125
Abandoned Applications
172

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18711583 [patent_doc_number] => 20230334212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => Systems And Methods For Selecting Decoupling Capacitance Using A Power Jumper Circuit [patent_app_type] => utility [patent_app_number] => 18/207842 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5042 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18207842 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207842
Systems And Methods For Selecting Decoupling Capacitance Using A Power Jumper Circuit Jun 8, 2023 Pending
Array ( [id] => 19906981 [patent_doc_number] => 12284002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Wireless power monetization [patent_app_type] => utility [patent_app_number] => 18/203636 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 28 [patent_no_of_words] => 20352 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18203636 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/203636
Wireless power monetization May 29, 2023 Issued
Array ( [id] => 18849751 [patent_doc_number] => 20230412155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => LOW POWER CRYSTAL OSCILLATOR WITH AUTOMATIC AMPLITUDE CONTROL [patent_app_type] => utility [patent_app_number] => 18/323998 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323998 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/323998
Low power crystal oscillator with automatic amplitude control May 24, 2023 Issued
Array ( [id] => 20244700 [patent_doc_number] => 12425034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Diamond-based atomic clock [patent_app_type] => utility [patent_app_number] => 18/867889 [patent_app_country] => US [patent_app_date] => 2023-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 6145 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18867889 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/867889
Diamond-based atomic clock May 22, 2023 Issued
Array ( [id] => 20096862 [patent_doc_number] => 20250226798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => INJECTION-LOCKED OSCILLATOR [patent_app_type] => utility [patent_app_number] => 18/875038 [patent_app_country] => US [patent_app_date] => 2023-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6600 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18875038 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/875038
Injection-locked oscillator May 15, 2023 Issued
Array ( [id] => 20132721 [patent_doc_number] => 12375039 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Crystal oscillator based on duty ratio measurement [patent_app_type] => utility [patent_app_number] => 18/851063 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 731 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18851063 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/851063
Crystal oscillator based on duty ratio measurement May 10, 2023 Issued
Array ( [id] => 19679896 [patent_doc_number] => 12191772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Direct current power supply system for urban rail transit cascaded direct-hanging stations [patent_app_type] => utility [patent_app_number] => 18/314809 [patent_app_country] => US [patent_app_date] => 2023-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5618 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 757 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18314809 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/314809
Direct current power supply system for urban rail transit cascaded direct-hanging stations May 8, 2023 Issued
Array ( [id] => 19576030 [patent_doc_number] => 20240380322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => METHOD AND POWER DISTRIBUTION SYSTEM FOR GENERATING ELECTRICAL POWER [patent_app_type] => utility [patent_app_number] => 18/314477 [patent_app_country] => US [patent_app_date] => 2023-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18314477 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/314477
Method and power distribution system for generating electrical power May 8, 2023 Issued
Array ( [id] => 19872251 [patent_doc_number] => 12265108 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => On-chip capacitance measurement method and apparatus [patent_app_type] => utility [patent_app_number] => 18/309863 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 6231 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18309863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/309863
On-chip capacitance measurement method and apparatus Apr 30, 2023 Issued
Array ( [id] => 19655096 [patent_doc_number] => 12176906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => PWM-based continuous clock serial interface [patent_app_type] => utility [patent_app_number] => 18/308005 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5949 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308005 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308005
PWM-based continuous clock serial interface Apr 26, 2023 Issued
Array ( [id] => 20103385 [patent_doc_number] => 20250233321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => ANTENNA APPARATUS, COMMUNICATION APPARATUS, AND IMAGE CAPTURING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/854907 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18854907 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/854907
ANTENNA APPARATUS, COMMUNICATION APPARATUS, AND IMAGE CAPTURING SYSTEM Apr 12, 2023 Pending
Array ( [id] => 18959803 [patent_doc_number] => 20240048130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => LOW POWER OSCILLATOR CIRCUIT WITH TEMPERATURE COMPENSATION CIRCUIT AND ELECTRONIC APPARATUS THEREOF [patent_app_type] => utility [patent_app_number] => 18/298598 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/298598
Low power oscillator circuit with temperature compensation circuit and electronic apparatus thereof Apr 10, 2023 Issued
Array ( [id] => 18533760 [patent_doc_number] => 20230238837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => POWER TRANSFER SYSTEM WITH PATIENT TRANSPORT APPARATUS AND POWER TRANSFER DEVICE TO TRANSFER POWER TO THE PATIENT TRANSPORT APPARATUS [patent_app_type] => utility [patent_app_number] => 18/127880 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18127880 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/127880
Power transfer system with patient transport apparatus and power transfer device to transfer power to the patient transport apparatus Mar 28, 2023 Issued
Array ( [id] => 18511182 [patent_doc_number] => 20230227305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => TECHNIQUES FOR TRANSDUCTION AND STORAGE OF QUANTUM LEVEL SIGNALS [patent_app_type] => utility [patent_app_number] => 18/187419 [patent_app_country] => US [patent_app_date] => 2023-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18187419 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187419
TECHNIQUES FOR TRANSDUCTION AND STORAGE OF QUANTUM LEVEL SIGNALS Mar 20, 2023 Pending
Array ( [id] => 18501024 [patent_doc_number] => 20230223835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => SERIAL-PARALLEL CONVERTER PROTECTION SYSTEM, CONTROLLER, AND CONVERTER [patent_app_type] => utility [patent_app_number] => 18/174855 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18174855 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/174855
Serial-parallel converter protection system, controller, and converter Feb 26, 2023 Issued
Array ( [id] => 19812853 [patent_doc_number] => 12244268 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Circuit device and oscillator [patent_app_type] => utility [patent_app_number] => 18/114322 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 16396 [patent_no_of_claims] => 13 [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] => 18114322 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114322
Circuit device and oscillator Feb 26, 2023 Issued
Array ( [id] => 18600786 [patent_doc_number] => 20230275589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => ATOMIC OSCILLATOR [patent_app_type] => utility [patent_app_number] => 18/113215 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18113215 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/113215
Atomic oscillator Feb 22, 2023 Issued
Array ( [id] => 18586619 [patent_doc_number] => 20230268884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => OSCILLATOR [patent_app_type] => utility [patent_app_number] => 18/171405 [patent_app_country] => US [patent_app_date] => 2023-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171405 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171405
Oscillator Feb 19, 2023 Issued
Array ( [id] => 19385442 [patent_doc_number] => 20240275312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => SYSTEM FOR PRODUCING HIGH-INTENSITY ELECTRICITY UTILIZING GRAVITATIONAL WAVES [patent_app_type] => utility [patent_app_number] => 18/108143 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18108143 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/108143
System for producing high-intensity electricity utilizing gravitational waves Feb 9, 2023 Issued
Array ( [id] => 18883556 [patent_doc_number] => 20240006925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => LASER WIRELESS POWER TRANSMISSION DEVICE AND METHOD BASED ON POWER ACQUISITION ON POWER LINES [patent_app_type] => utility [patent_app_number] => 18/164859 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 656 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18164859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/164859
Laser wireless power transmission device and method based on power acquisition on power lines Feb 5, 2023 Issued
Menu