Search

Joseph Chang

Examiner (ID: 14238, Phone: (571)272-1759 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2843, 2817, 2842, 2849
Total Applications
2166
Issued Applications
1914
Pending Applications
115
Abandoned Applications
170

Applications

Application numberTitle of the applicationFiling DateStatus
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] => 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
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] => 18179085 [patent_doc_number] => 20230039814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Real time clock integrated module and device implementing such a module [patent_app_type] => utility [patent_app_number] => 17/876725 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17876725 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/876725
Real time clock integrated module and device implementing such a module Jul 28, 2022 Issued
Array ( [id] => 18163856 [patent_doc_number] => 20230030450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => QUANTUM INTERFERENCE APPARATUS, ATOMIC OSCILLATOR, AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/877235 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14153 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17877235 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/877235
QUANTUM INTERFERENCE APPARATUS, ATOMIC OSCILLATOR, AND CONTROL METHOD Jul 28, 2022 Abandoned
Array ( [id] => 18009359 [patent_doc_number] => 20220368126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => PHOTOVOLTAIC POWER GENERATION SYSTEM, PHOTOVOLTAIC INVERTER, AND DIRECT CURRENT COMBINER BOX [patent_app_type] => utility [patent_app_number] => 17/875823 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17875823 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875823
Photovoltaic power generation system, photovoltaic inverter, and direct current combiner box Jul 27, 2022 Issued
Array ( [id] => 18563525 [patent_doc_number] => 11728782 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Resonator device and method for manufacturing resonator device [patent_app_type] => utility [patent_app_number] => 17/873204 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 6882 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17873204 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/873204
Resonator device and method for manufacturing resonator device Jul 25, 2022 Issued
Array ( [id] => 18875297 [patent_doc_number] => 11863123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Circuit device and oscillator [patent_app_type] => utility [patent_app_number] => 17/873212 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10414 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17873212 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/873212
Circuit device and oscillator Jul 25, 2022 Issued
Array ( [id] => 18164970 [patent_doc_number] => 20230031567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => OSCILLATION CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/870856 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2384 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17870856 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/870856
Oscillation circuit Jul 21, 2022 Issued
Array ( [id] => 18891498 [patent_doc_number] => 11870278 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Implantable and external device and method [patent_app_type] => utility [patent_app_number] => 17/871004 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8676 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [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] => 17871004 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/871004
Implantable and external device and method Jul 21, 2022 Issued
Array ( [id] => 17986860 [patent_doc_number] => 20220352897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => OSCILLATOR [patent_app_type] => utility [patent_app_number] => 17/866529 [patent_app_country] => US [patent_app_date] => 2022-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10075 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866529 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866529
Oscillator Jul 16, 2022 Issued
Array ( [id] => 18146966 [patent_doc_number] => 20230020823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => CIRCUIT DEVICE AND OSCILLATOR [patent_app_type] => utility [patent_app_number] => 17/863714 [patent_app_country] => US [patent_app_date] => 2022-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13898 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17863714 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/863714
Circuit device and oscillator Jul 12, 2022 Issued
Array ( [id] => 18098236 [patent_doc_number] => 20220416577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => WIRELESS POWER TRANSMITTERS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES UTILIZING CONCAVE SHIELDING [patent_app_type] => utility [patent_app_number] => 17/861419 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17861419 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861419
Wireless power transmitters for transmitting power at extended separation distances utilizing concave shielding Jul 10, 2022 Issued
Array ( [id] => 18098246 [patent_doc_number] => 20220416587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => WIRELESS POWER TRANSMITTERS AND ASSOCIATED BASE STATIONS FOR TRANSMITTING POWER AT EXTENDED SEPARATION DISTANCES [patent_app_type] => utility [patent_app_number] => 17/861416 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17861416 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861416
Wireless power transmitters and associated base stations for transmitting power at extended separation distances Jul 10, 2022 Issued
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