
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |