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] => 20775052 [patent_doc_number] => 12658738 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Method and device for slot generation in wireless power transmission system [patent_app_type] => utility [patent_app_number] => 18/705873 [patent_app_country] => US [patent_app_date] => 2022-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 44 [patent_no_of_words] => 21271 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18705873 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/705873
Method and device for slot generation in wireless power transmission system Oct 26, 2022 Issued
Array ( [id] => 18440754 [patent_doc_number] => 20230188050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => INTEGRATED CIRCUIT AND POWER SUPPLY CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/972354 [patent_app_country] => US [patent_app_date] => 2022-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9050 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17972354 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/972354
Integrated circuit and power supply circuit Oct 23, 2022 Issued
Array ( [id] => 18488997 [patent_doc_number] => 20230216347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => Apparatus and Methods for Real-Time Resonance Adaptation for Power Receiver [patent_app_type] => utility [patent_app_number] => 18/048333 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18048333 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/048333
Apparatus and methods for real-time resonance adaptation for power receiver Oct 19, 2022 Issued
Array ( [id] => 18361158 [patent_doc_number] => 20230142749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => SYSTEMS AND METHODS FOR INTEGRATION OF INJECTION-LOCKED OSCILLATORS INTO TRANSCEIVER ARRAYS [patent_app_type] => utility [patent_app_number] => 17/970273 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17970273 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/970273
Systems and methods for integration of injection-locked oscillators into transceiver arrays Oct 19, 2022 Issued
Array ( [id] => 19109048 [patent_doc_number] => 11962165 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Wireless power transmitters and associated base stations for through-structure charging [patent_app_type] => utility [patent_app_number] => 17/966566 [patent_app_country] => US [patent_app_date] => 2022-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 11272 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17966566 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/966566
Wireless power transmitters and associated base stations for through-structure charging Oct 13, 2022 Issued
Array ( [id] => 19697263 [patent_doc_number] => 20250015808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => METHOD FOR MANUFACTURING A MAGNETRON CAVITY FOR ATOMIC CLOCKS [patent_app_type] => utility [patent_app_number] => 18/697894 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18697894 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/697894
Method for manufacturing a magnetron cavity for atomic clocks Oct 6, 2022 Issued
Array ( [id] => 19094530 [patent_doc_number] => 11956001 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Millimeter wave (mmWave) system and methods [patent_app_type] => utility [patent_app_number] => 17/950300 [patent_app_country] => US [patent_app_date] => 2022-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 8977 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17950300 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/950300
Millimeter wave (mmWave) system and methods Sep 21, 2022 Issued
Array ( [id] => 19072010 [patent_doc_number] => 20240106436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => MECHANICAL RESONATOR-BASED OSCILLATORS AND RELATED METHODS FOR GENERATION OF A PHASE USED TO COMPENSATE FOR TEMPERATURE-DEPENDENT FREQUENCY ERRORS [patent_app_type] => utility [patent_app_number] => 17/932446 [patent_app_country] => US [patent_app_date] => 2022-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17932446 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/932446
Mechanical resonator-based oscillators and related methods for generation of a phase used to compensate for temperature-dependent frequency errors Sep 14, 2022 Issued
Array ( [id] => 18913490 [patent_doc_number] => 11876485 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-16 [patent_title] => Oscillating device [patent_app_type] => utility [patent_app_number] => 17/943771 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 26 [patent_no_of_words] => 9298 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 351 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17943771 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/943771
Oscillating device Sep 12, 2022 Issued
Array ( [id] => 19400173 [patent_doc_number] => 12074568 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Multi-core oscillator with enhanced mode robustness [patent_app_type] => utility [patent_app_number] => 17/941767 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 11041 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17941767 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/941767
Multi-core oscillator with enhanced mode robustness Sep 8, 2022 Issued
Array ( [id] => 19400172 [patent_doc_number] => 12074567 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Inductor topology for phase noise reduction [patent_app_type] => utility [patent_app_number] => 17/902669 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 9836 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17902669 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902669
Inductor topology for phase noise reduction Sep 1, 2022 Issued
Array ( [id] => 18437952 [patent_doc_number] => 20230185247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => Physical system of strontium optical clock applied for space station [patent_app_type] => utility [patent_app_number] => 17/900426 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17900426 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/900426
Physical system of strontium optical clock applied for space station Aug 30, 2022 Issued
Array ( [id] => 18227805 [patent_doc_number] => 20230066799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => OSCILLATOR CALIBRATION METHOD, ELECTRONIC DEVICE AND CHIP [patent_app_type] => utility [patent_app_number] => 17/899986 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17899986 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/899986
Oscillator calibration method, electronic device and chip Aug 30, 2022 Issued
Array ( [id] => 18494565 [patent_doc_number] => 11699990 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Oscillating device [patent_app_type] => utility [patent_app_number] => 17/897909 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4010 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17897909 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897909
Oscillating device Aug 28, 2022 Issued
Array ( [id] => 19047214 [patent_doc_number] => 11936339 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Voltage controlled oscillator with series resonant circuit [patent_app_type] => utility [patent_app_number] => 17/894548 [patent_app_country] => US [patent_app_date] => 2022-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3008 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17894548 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/894548
Voltage controlled oscillator with series resonant circuit Aug 23, 2022 Issued
Array ( [id] => 18227004 [patent_doc_number] => 20230065998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => OSCILLATOR [patent_app_type] => utility [patent_app_number] => 17/894505 [patent_app_country] => US [patent_app_date] => 2022-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17894505 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/894505
Oscillator Aug 23, 2022 Issued
Array ( [id] => 18062417 [patent_doc_number] => 20220393504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => CONTROL APPARATUS OF POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 17/886168 [patent_app_country] => US [patent_app_date] => 2022-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12167 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17886168 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/886168
Control apparatus of power converter Aug 10, 2022 Issued
Array ( [id] => 20089531 [patent_doc_number] => 20250219467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => METHOD AND APPARATUS FOR SIMULTANEOUS MULTIPLE DATA COMMUNICATION IN WIRELESS POWER TRANSMISSION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/682093 [patent_app_country] => US [patent_app_date] => 2022-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23334 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18682093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/682093
METHOD AND APPARATUS FOR SIMULTANEOUS MULTIPLE DATA COMMUNICATION IN WIRELESS POWER TRANSMISSION SYSTEM Aug 10, 2022 Pending
Array ( [id] => 18309251 [patent_doc_number] => 20230113151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Method and Apparatus for Conveying Clock-Related Information from a Timing Device [patent_app_type] => utility [patent_app_number] => 17/884889 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17884889 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/884889
Method and apparatus for conveying clock-related information from a timing device Aug 9, 2022 Issued
Array ( [id] => 18670409 [patent_doc_number] => 11777323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Sequential power discharge for batteries in a power system [patent_app_type] => utility [patent_app_number] => 17/884984 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 9387 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17884984 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/884984
Sequential power discharge for batteries in a power system Aug 9, 2022 Issued
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