Search

Fang-chi Chang

Examiner (ID: 11794, Phone: (571)270-5299 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2852, 2862
Total Applications
536
Issued Applications
377
Pending Applications
24
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19969546 [patent_doc_number] => 12338137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and battery module, battery pack, and apparatus containing such lithium-ion secondary battery [patent_app_type] => utility [patent_app_number] => 17/682374 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 13641 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682374 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682374
Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and battery module, battery pack, and apparatus containing such lithium-ion secondary battery Feb 27, 2022 Issued
Array ( [id] => 17811295 [patent_doc_number] => 20220263130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => GEL COMPOSITE ELECTROLYTE MEMBRANE FOR LITHIUM METAL BATTERIES [patent_app_type] => utility [patent_app_number] => 17/675070 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3360 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17675070 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/675070
Gel composite electrolyte membrane for lithium metal batteries Feb 17, 2022 Issued
Array ( [id] => 19912652 [patent_doc_number] => 12288873 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Secondary battery electrode and method for producing the electrode [patent_app_type] => utility [patent_app_number] => 17/672897 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 21 [patent_no_of_words] => 9167 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17672897 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/672897
Secondary battery electrode and method for producing the electrode Feb 15, 2022 Issued
Array ( [id] => 19138220 [patent_doc_number] => 11973196 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Positive electrode plate, and electrochemical apparatus and device associated therewith [patent_app_type] => utility [patent_app_number] => 17/589711 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 7271 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17589711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/589711
Positive electrode plate, and electrochemical apparatus and device associated therewith Jan 30, 2022 Issued
Array ( [id] => 17616019 [patent_doc_number] => 20220158299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => LITHIUM ION BATTERY SEPARATOR AND LITHIUM ION BATTERY [patent_app_type] => utility [patent_app_number] => 17/588956 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26246 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17588956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/588956
LITHIUM ION BATTERY SEPARATOR AND LITHIUM ION BATTERY Jan 30, 2022 Abandoned
Array ( [id] => 18533494 [patent_doc_number] => 20230238571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => Conducting Polymer/Inorganic Hybrid Solid-State Electrolytes, Lithium Batteries Containing Same, and Production Processes [patent_app_type] => utility [patent_app_number] => 17/649149 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [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] => 17649149 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649149
Conducting Polymer/Inorganic Hybrid Solid-State Electrolytes, Lithium Batteries Containing Same, and Production Processes Jan 26, 2022 Pending
Array ( [id] => 18514915 [patent_doc_number] => 20230231181 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => Inorganic-Polymeric Hybrid Solid-State Electrolytes, Lithium Batteries Containing Same, and Production Processes [patent_app_type] => utility [patent_app_number] => 17/648167 [patent_app_country] => US [patent_app_date] => 2022-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -40 [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] => 17648167 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/648167
Inorganic-Polymeric Hybrid Solid-State Electrolytes, Lithium Batteries Containing Same, and Production Processes Jan 16, 2022 Pending
Array ( [id] => 18593581 [patent_doc_number] => 11742493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Electrode plate of an electrochemical battery and electrochemical battery comprising such electrode plate [patent_app_type] => utility [patent_app_number] => 17/577245 [patent_app_country] => US [patent_app_date] => 2022-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4234 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17577245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/577245
Electrode plate of an electrochemical battery and electrochemical battery comprising such electrode plate Jan 16, 2022 Issued
Array ( [id] => 17552104 [patent_doc_number] => 20220123447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => OVERCHARGE PROTECTION SYSTEMS FOR PRISMATIC LITHIUM ION BATTERY CELLS WITH BIASED PACKAGING [patent_app_type] => utility [patent_app_number] => 17/567410 [patent_app_country] => US [patent_app_date] => 2022-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567410
Overcharge protection systems for prismatic lithium ion battery cells with biased packaging Jan 2, 2022 Issued
Array ( [id] => 17523331 [patent_doc_number] => 20220109180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => LITHIUM METAL BATTERY, PROCESS FOR PREPARING THE SAME, APPARATUS CONTAINING THE LITHIUM METAL BATTERY AND NEGATIVE ELECTRODE PLATE [patent_app_type] => utility [patent_app_number] => 17/553836 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11287 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17553836 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/553836
LITHIUM METAL BATTERY, PROCESS FOR PREPARING THE SAME, APPARATUS CONTAINING THE LITHIUM METAL BATTERY AND NEGATIVE ELECTRODE PLATE Dec 16, 2021 Abandoned
Array ( [id] => 17509607 [patent_doc_number] => 20220102710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => SECONDARY BATTERY, PROCESS FOR PREPARING THE SAME AND APPARATUS CONTAINING THE SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/547271 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9455 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17547271 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/547271
Secondary battery, process for preparing the same and apparatus containing the secondary battery Dec 9, 2021 Issued
Array ( [id] => 20581402 [patent_doc_number] => 12573657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Solid-state battery [patent_app_type] => utility [patent_app_number] => 17/522428 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 27 [patent_no_of_words] => 10395 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17522428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/522428
Solid-state battery Nov 8, 2021 Issued
Array ( [id] => 17417459 [patent_doc_number] => 20220052363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => METHODS AND SYSTEM FOR A BATTERY [patent_app_type] => utility [patent_app_number] => 17/453324 [patent_app_country] => US [patent_app_date] => 2021-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17282 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453324 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/453324
METHODS AND SYSTEM FOR A BATTERY Nov 1, 2021 Abandoned
Array ( [id] => 18349918 [patent_doc_number] => 20230138029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => SHOCK-FORCE MITIGATION SYSTEMS AND METHODS FOR ELECTROCHEMICAL FUEL CELL STACKS [patent_app_type] => utility [patent_app_number] => 17/515893 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8855 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17515893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/515893
Shock-force mitigation systems and methods for electrochemical fuel cell stacks Oct 31, 2021 Issued
Array ( [id] => 17551951 [patent_doc_number] => 20220123293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => REGENERABLE BATTERY ELECTRODE [patent_app_type] => utility [patent_app_number] => 17/511522 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7916 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17511522 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/511522
REGENERABLE BATTERY ELECTRODE Oct 25, 2021 Abandoned
Array ( [id] => 18520959 [patent_doc_number] => 11710854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Functional epoxides in catalyst-based electrolyte compositions for Li-ion batteries [patent_app_type] => utility [patent_app_number] => 17/509813 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 17010 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 420 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17509813 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/509813
Functional epoxides in catalyst-based electrolyte compositions for Li-ion batteries Oct 24, 2021 Issued
Array ( [id] => 17547539 [patent_doc_number] => 20220118880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => BATTERY CONTROL SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/448344 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17448344 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/448344
Battery control systems Sep 20, 2021 Issued
Array ( [id] => 17552009 [patent_doc_number] => 20220123352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => SOLID-STATE BIPOLAR BATTERY INCLUDING IONOGEL [patent_app_type] => utility [patent_app_number] => 17/481179 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17481179 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/481179
SOLID-STATE BIPOLAR BATTERY INCLUDING IONOGEL Sep 20, 2021 Abandoned
Array ( [id] => 17599850 [patent_doc_number] => 20220149424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => SECONDARY LITHIUM-ION BATTERIES COMPRISING IN SITU THERMAL CURABLE SOLID COMPOSITE ELECTROLYTE [patent_app_type] => utility [patent_app_number] => 17/460303 [patent_app_country] => US [patent_app_date] => 2021-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17460303 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/460303
Secondary lithium-ion batteries comprising in situ thermal curable solid composite electrolyte Aug 28, 2021 Issued
Array ( [id] => 17303546 [patent_doc_number] => 20210399385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => LAMINATED OXIDATION PROTECTED SEPARATOR [patent_app_type] => utility [patent_app_number] => 17/458921 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2405 [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] => 17458921 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/458921
LAMINATED OXIDATION PROTECTED SEPARATOR Aug 26, 2021 Abandoned
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