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] => 17390286 [patent_doc_number] => 20220038138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => Payment System for Wireless Power Sharing [patent_app_type] => utility [patent_app_number] => 17/499606 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17499606 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/499606
Payment system for wireless power sharing Oct 11, 2021 Issued
Array ( [id] => 19620099 [patent_doc_number] => 20240405779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => OSCILLATOR ARRANGEMENT WITH IMPROVED PHASE-NOISE PROPERTIES [patent_app_type] => utility [patent_app_number] => 18/698100 [patent_app_country] => US [patent_app_date] => 2021-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3918 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18698100 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/698100
Oscillator arrangement with improved phase-noise properties Oct 3, 2021 Issued
Array ( [id] => 17374532 [patent_doc_number] => 20220029584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => OSCILLATOR AND DEVICE [patent_app_type] => utility [patent_app_number] => 17/492463 [patent_app_country] => US [patent_app_date] => 2021-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17492463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/492463
Oscillator and device Sep 30, 2021 Issued
Array ( [id] => 17510021 [patent_doc_number] => 20220103125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Circuit Device And Oscillator [patent_app_type] => utility [patent_app_number] => 17/488357 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17488357 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/488357
Circuit device and oscillator Sep 28, 2021 Issued
Array ( [id] => 20229620 [patent_doc_number] => 12418279 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Low power voltage controllable oscillator with rail-to-rail output [patent_app_type] => utility [patent_app_number] => 18/696599 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 1175 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18696599 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/696599
Low power voltage controllable oscillator with rail-to-rail output Sep 28, 2021 Issued
Array ( [id] => 20229620 [patent_doc_number] => 12418279 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Low power voltage controllable oscillator with rail-to-rail output [patent_app_type] => utility [patent_app_number] => 18/696599 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 1175 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18696599 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/696599
Low power voltage controllable oscillator with rail-to-rail output Sep 28, 2021 Issued
Array ( [id] => 17510019 [patent_doc_number] => 20220103123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Circuit Device And Oscillator [patent_app_type] => utility [patent_app_number] => 17/483871 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17483871 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/483871
Circuit device and oscillator Sep 23, 2021 Issued
Array ( [id] => 17510020 [patent_doc_number] => 20220103124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Circuit Device And Oscillator [patent_app_type] => utility [patent_app_number] => 17/483889 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17483889 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/483889
Circuit device and oscillator Sep 23, 2021 Issued
Array ( [id] => 18271750 [patent_doc_number] => 20230092992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => INDUCTOR TOPOLOGY FOR PHASE NOISE REDUCTION [patent_app_type] => utility [patent_app_number] => 17/479774 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9794 [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] => 17479774 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/479774
Inductor topology for phase noise reduction Sep 19, 2021 Issued
Array ( [id] => 17464515 [patent_doc_number] => 20220077821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => OSCILLATING CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/479175 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6853 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17479175 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/479175
Oscillating circuit Sep 19, 2021 Issued
Array ( [id] => 18236518 [patent_doc_number] => 11601089 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-07 [patent_title] => BAW oscillators with dual BAW temperature sensing [patent_app_type] => utility [patent_app_number] => 17/463406 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 5804 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17463406 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/463406
BAW oscillators with dual BAW temperature sensing Aug 30, 2021 Issued
Array ( [id] => 19243292 [patent_doc_number] => 12013731 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Phase balancing control system for network data centers [patent_app_type] => utility [patent_app_number] => 17/460692 [patent_app_country] => US [patent_app_date] => 2021-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 9580 [patent_no_of_claims] => 13 [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] => 17460692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/460692
Phase balancing control system for network data centers Aug 29, 2021 Issued
Array ( [id] => 18697039 [patent_doc_number] => 20230327496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => DATA TRANSMISSION BETWEEN POWER SOURCE AND WIRELESS APPARATUS [patent_app_type] => utility [patent_app_number] => 18/023571 [patent_app_country] => US [patent_app_date] => 2021-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18023571 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/023571
Data transmission between power source and wireless apparatus Aug 25, 2021 Issued
Array ( [id] => 18541443 [patent_doc_number] => 20230246559 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => FILTER CONNECTED TO PWM CONVERTER AND CONVERTER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/003500 [patent_app_country] => US [patent_app_date] => 2021-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8990 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18003500 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/003500
FILTER CONNECTED TO PWM CONVERTER AND CONVERTER SYSTEM Aug 17, 2021 Abandoned
Array ( [id] => 17523050 [patent_doc_number] => 20220108899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => FREQUENCY AND PHASE CONTROLLED TRANSDUCERS AND SENSING [patent_app_type] => utility [patent_app_number] => 17/444855 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18543 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17444855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/444855
Frequency and phase controlled transducers and sensing Aug 10, 2021 Issued
Array ( [id] => 18016997 [patent_doc_number] => 11509311 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-22 [patent_title] => Temperature-controlled oscillating device [patent_app_type] => utility [patent_app_number] => 17/398867 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 4202 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17398867 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/398867
Temperature-controlled oscillating device Aug 9, 2021 Issued
Array ( [id] => 17971900 [patent_doc_number] => 11489455 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-01 [patent_title] => AC and persistent DC co-distritbution [patent_app_type] => utility [patent_app_number] => 17/398355 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5405 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17398355 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/398355
AC and persistent DC co-distritbution Aug 9, 2021 Issued
Array ( [id] => 17417705 [patent_doc_number] => 20220052609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => POWER DISTRIBUTION ARCHITECTURE WITH SERIES-CONNECTED BUS CONVERTER [patent_app_type] => utility [patent_app_number] => 17/385384 [patent_app_country] => US [patent_app_date] => 2021-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5112 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17385384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/385384
Power distribution architecture with series-connected bus converter Jul 25, 2021 Issued
Array ( [id] => 17390202 [patent_doc_number] => 20220038054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/383169 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8229 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17383169 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/383169
Semiconductor device Jul 21, 2021 Issued
Array ( [id] => 18586468 [patent_doc_number] => 20230268733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => ENERGY DISTRIBUTION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/016336 [patent_app_country] => US [patent_app_date] => 2021-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8966 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18016336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/016336
ENERGY DISTRIBUTION SYSTEM Jul 20, 2021 Abandoned
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