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] => 19023414 [patent_doc_number] => 20240079585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/505945 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11918 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18505945 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505945
Composite positive electrode active material for lithium secondary battery, preparation method thereof, and lithium secondary battery including positive electrode including the same Nov 8, 2023 Issued
Array ( [id] => 20291506 [patent_doc_number] => 20250316749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => Preparation And Application Of A Polymer-based Composite Solid Electrolyte With High Ionic Conductivity [patent_app_type] => utility [patent_app_number] => 18/833894 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18833894 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/833894
Preparation And Application Of A Polymer-based Composite Solid Electrolyte With High Ionic Conductivity Oct 30, 2023 Pending
Array ( [id] => 19484680 [patent_doc_number] => 20240332722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => BATTERY MODULE [patent_app_type] => utility [patent_app_number] => 18/381082 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6131 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381082 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381082
BATTERY MODULE Oct 16, 2023 Pending
Array ( [id] => 19086527 [patent_doc_number] => 20240113328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => OXIDE-BASED FILM SHEET, OXIDE-BASED SOLID ELECTROLYTE SHEET, AND ALL-SOLID LITHIUM SECONDRY BATTERY [patent_app_type] => utility [patent_app_number] => 18/479963 [patent_app_country] => US [patent_app_date] => 2023-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18479963 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479963
OXIDE-BASED FILM SHEET, OXIDE-BASED SOLID ELECTROLYTE SHEET, AND ALL-SOLID LITHIUM SECONDRY BATTERY Oct 2, 2023 Pending
Array ( [id] => 19858419 [patent_doc_number] => 12261273 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Method for generating smoke in cell pack [patent_app_type] => utility [patent_app_number] => 18/244683 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7454 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 383 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18244683 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/244683
Method for generating smoke in cell pack Sep 10, 2023 Issued
Array ( [id] => 20581371 [patent_doc_number] => 12573626 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Material, preparation method thereof and lithium ion battery [patent_app_type] => utility [patent_app_number] => 18/452239 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3645 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18452239 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/452239
Material, preparation method thereof and lithium ion battery Aug 17, 2023 Issued
Array ( [id] => 19796496 [patent_doc_number] => 12237470 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Phosphate-based flame-retardant electrolyte and lithium-metal battery [patent_app_type] => utility [patent_app_number] => 18/355460 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 3256 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355460
Phosphate-based flame-retardant electrolyte and lithium-metal battery Jul 19, 2023 Issued
Array ( [id] => 18906307 [patent_doc_number] => 20240021792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING ANODE INCLUDING THE ANODE ACTIVE MATERIAL [patent_app_type] => utility [patent_app_number] => 18/355768 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8348 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355768 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355768
Anode active material for lithium secondary battery and lithium secondary battery comprising anode including the anode active material Jul 19, 2023 Issued
Array ( [id] => 18661592 [patent_doc_number] => 20230307607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 18/326895 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6474 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18326895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326895
Negative active material for rechargeable lithium battery and rechargeable lithium battery including same May 30, 2023 Issued
Array ( [id] => 18789707 [patent_doc_number] => 20230378423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => METHOD AND APPARATUS FOR PREPARING DRY ELECTRODE SHEET FOR SECONDARY BATTERY, DRY ELECTRODE SHEET FOR SECONDARY BATTERY, ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/321549 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321549
METHOD AND APPARATUS FOR PREPARING DRY ELECTRODE SHEET FOR SECONDARY BATTERY, DRY ELECTRODE SHEET FOR SECONDARY BATTERY, ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY May 21, 2023 Abandoned
Array ( [id] => 18696736 [patent_doc_number] => 20230327184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => CATHOLYTES FOR A SOLID-STATE BATTERY [patent_app_type] => utility [patent_app_number] => 18/320074 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18320074 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320074
Catholytes for a solid-state battery May 17, 2023 Issued
Array ( [id] => 18616086 [patent_doc_number] => 20230282825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => NICKEL-BASED ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE NICKEL-BASED ACTIVE MATERIAL [patent_app_type] => utility [patent_app_number] => 18/316175 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14068 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316175
NICKEL-BASED ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE NICKEL-BASED ACTIVE MATERIAL May 10, 2023 Pending
Array ( [id] => 19494440 [patent_doc_number] => 12113164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Electrolyte or electrode additives for increasing metal content in metal-ion batteries [patent_app_type] => utility [patent_app_number] => 18/315245 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11756 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315245 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315245
Electrolyte or electrode additives for increasing metal content in metal-ion batteries May 9, 2023 Issued
Array ( [id] => 18570930 [patent_doc_number] => 20230261267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => BATTERY ELECTROLYTE COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/139393 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18139393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/139393
BATTERY ELECTROLYTE COMPOSITION Apr 25, 2023 Pending
Array ( [id] => 18906318 [patent_doc_number] => 20240021803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => SULFUR-CARBON COMPOSITE, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 18/298720 [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] => 8017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/298720
Sulfur-carbon composite, preparation method therefor, and lithium secondary battery comprising same Apr 10, 2023 Issued
Array ( [id] => 18661694 [patent_doc_number] => 20230307710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/190128 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190128 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190128
NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME Mar 26, 2023 Pending
Array ( [id] => 18866290 [patent_doc_number] => 20230420727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => SOLID-STATE COMPOSITE POLYMER ELECTROLYTE MEMBRANE AND ALL-SOLID-STATE LITHIUM ION BATTERY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/189724 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18189724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/189724
Solid-state composite polymer electrolyte membrane and all-solid-state lithium ion battery including the same Mar 23, 2023 Issued
Array ( [id] => 19428466 [patent_doc_number] => 12087904 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Electrochemical cell having thin metal foil packaging and a method for making same [patent_app_type] => utility [patent_app_number] => 18/125550 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 8720 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [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] => 18125550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/125550
Electrochemical cell having thin metal foil packaging and a method for making same Mar 22, 2023 Issued
Array ( [id] => 19453082 [patent_doc_number] => 20240313212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => DOPED CATHODE MATERIAL PRECURSOR FROM RECYCLED LITHIUM-ION BATTERIES [patent_app_type] => utility [patent_app_number] => 18/120776 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18120776 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/120776
DOPED CATHODE MATERIAL PRECURSOR FROM RECYCLED LITHIUM-ION BATTERIES Mar 12, 2023 Pending
Array ( [id] => 19436373 [patent_doc_number] => 20240304871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => Pender-Process [patent_app_type] => utility [patent_app_number] => 18/445024 [patent_app_country] => US [patent_app_date] => 2023-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 122 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18445024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/445024
Pender-Process Mar 8, 2023 Pending
Menu