Search

Osei K. Amponsah

Examiner (ID: 13525, Phone: (571)270-3446 , Office: P/1729 )

Most Active Art Unit
1729
Art Unit(s)
1729, 1752
Total Applications
770
Issued Applications
487
Pending Applications
108
Abandoned Applications
200

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20223213 [patent_doc_number] => 20250286144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => ELECTROLYTE SYSTEMS INCLUDING PERFORMANCE-ENHANCING ADDITIVES, AND ELECTROCHEMICAL CELLS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 19/205858 [patent_app_country] => US [patent_app_date] => 2025-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31825 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19205858 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/205858
ELECTROLYTE SYSTEMS INCLUDING PERFORMANCE-ENHANCING ADDITIVES, AND ELECTROCHEMICAL CELLS INCLUDING THE SAME May 11, 2025 Pending
Array ( [id] => 20103188 [patent_doc_number] => 20250233124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => Lithium Secondary Battery [patent_app_type] => utility [patent_app_number] => 19/097310 [patent_app_country] => US [patent_app_date] => 2025-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 19097310 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/097310
Lithium Secondary Battery Mar 31, 2025 Pending
Array ( [id] => 20011415 [patent_doc_number] => 20250149637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => ELECTROLYTE FOR SODIUM SECONDARY BATTERY, SODIUM SECONDARY BATTERY, AND ELECTRIC APPARATUS [patent_app_type] => utility [patent_app_number] => 19/017808 [patent_app_country] => US [patent_app_date] => 2025-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5935 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19017808 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/017808
ELECTROLYTE FOR SODIUM SECONDARY BATTERY, SODIUM SECONDARY BATTERY, AND ELECTRIC APPARATUS Jan 12, 2025 Pending
Array ( [id] => 20002715 [patent_doc_number] => 20250140937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => BATTERY [patent_app_type] => utility [patent_app_number] => 19/004117 [patent_app_country] => US [patent_app_date] => 2024-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19004117 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/004117
BATTERY Dec 26, 2024 Pending
Array ( [id] => 19821231 [patent_doc_number] => 20250079438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => ELECTROLYTE SOLUTION AND SECONDARY BATTERY CONTAINING SAME, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE [patent_app_type] => utility [patent_app_number] => 18/948546 [patent_app_country] => US [patent_app_date] => 2024-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18948546 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/948546
ELECTROLYTE SOLUTION AND SECONDARY BATTERY CONTAINING SAME, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE Nov 14, 2024 Pending
Array ( [id] => 20002704 [patent_doc_number] => 20250140926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS [patent_app_type] => utility [patent_app_number] => 18/883979 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18883979 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/883979
BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS Sep 11, 2024 Pending
Array ( [id] => 19804346 [patent_doc_number] => 20250070271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => ANODE, LITHIUM METAL BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE LITHIUM METAL BATTERY [patent_app_type] => utility [patent_app_number] => 18/813060 [patent_app_country] => US [patent_app_date] => 2024-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18813060 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/813060
ANODE, LITHIUM METAL BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE LITHIUM METAL BATTERY Aug 22, 2024 Pending
Array ( [id] => 20223210 [patent_doc_number] => 20250286141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => ELECTROLYTE SYSTEMS INCLUDING PERFORMANCE-ENHANCING ADDITIVES, AND ELECTROCHEMICAL CELLS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/764907 [patent_app_country] => US [patent_app_date] => 2024-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26266 [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] => 18764907 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/764907
ELECTROLYTE SYSTEMS INCLUDING PERFORMANCE-ENHANCING ADDITIVES, AND ELECTROCHEMICAL CELLS INCLUDING THE SAME Jul 4, 2024 Pending
Array ( [id] => 19421222 [patent_doc_number] => 20240297346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => ELECTROCHEMICAL DEVICE COMPRISING CARBON QUANTUM DOT IONIC COMPOUND ELECTROLYTE [patent_app_type] => utility [patent_app_number] => 18/640174 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18640174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/640174
ELECTROCHEMICAL DEVICE COMPRISING CARBON QUANTUM DOT IONIC COMPOUND ELECTROLYTE Apr 18, 2024 Pending
Array ( [id] => 19532181 [patent_doc_number] => 20240356083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SILICON-BASED ENERGY STORAGE DEVICES WITH PHOSPHORUS CONTAINING ELECTROLYTE ADDITIVES [patent_app_type] => utility [patent_app_number] => 18/635923 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14830 [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] => 18635923 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/635923
SILICON-BASED ENERGY STORAGE DEVICES WITH PHOSPHORUS CONTAINING ELECTROLYTE ADDITIVES Apr 14, 2024 Pending
Array ( [id] => 19500643 [patent_doc_number] => 20240339661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => SYMMETRICAL OR ASYMMETRICAL ALKYLSULFONYL IMIDE OR CYCLIC ALKYLENE SULFONYLIMIDE SALTS AS CATHODE ADDITIVES, ELECTROLYTE ADDITIVES, OR SI ANODE ADDITIVES FOR SI ANODE-BASED LI-ION CELLS [patent_app_type] => utility [patent_app_number] => 18/615829 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14003 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18615829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615829
SYMMETRICAL OR ASYMMETRICAL ALKYLSULFONYL IMIDE OR CYCLIC ALKYLENE SULFONYLIMIDE SALTS AS CATHODE ADDITIVES, ELECTROLYTE ADDITIVES, OR SI ANODE ADDITIVES FOR SI ANODE-BASED LI-ION CELLS Mar 24, 2024 Pending
Array ( [id] => 20267186 [patent_doc_number] => 12438186 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Solid electrolyte with protrusion and all solid-state batteries comprising same [patent_app_type] => utility [patent_app_number] => 18/585236 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 24 [patent_no_of_words] => 1906 [patent_no_of_claims] => 20 [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] => 18585236 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/585236
Solid electrolyte with protrusion and all solid-state batteries comprising same Feb 22, 2024 Issued
Array ( [id] => 19253168 [patent_doc_number] => 20240204165 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => NEGATIVE ELECTRODE PLATE, SODIUM ION BATTERY, POWER CONSUMING DEVICE AND USE [patent_app_type] => utility [patent_app_number] => 18/416905 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416905 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416905
NEGATIVE ELECTRODE PLATE, SODIUM ION BATTERY, POWER CONSUMING DEVICE AND USE Jan 18, 2024 Pending
Array ( [id] => 19142413 [patent_doc_number] => 20240141251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => METHOD OF MANUFACTURING NON-AQUEOUS SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/410327 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5747 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18410327 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410327
METHOD OF MANUFACTURING NON-AQUEOUS SECONDARY BATTERY Jan 10, 2024 Pending
Array ( [id] => 19142413 [patent_doc_number] => 20240141251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => METHOD OF MANUFACTURING NON-AQUEOUS SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/410327 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5747 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18410327 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410327
METHOD OF MANUFACTURING NON-AQUEOUS SECONDARY BATTERY Jan 10, 2024 Pending
Array ( [id] => 19116768 [patent_doc_number] => 20240128518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => ELECTRODE ASSEMBLY, AND LITHIUM ION ELECTRIC ROLL USING THE ELECTRODE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/393712 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18393712 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/393712
Electrode assembly, and lithium ion electric roll using the electrode assembly Dec 21, 2023 Issued
Array ( [id] => 19101270 [patent_doc_number] => 20240120498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => ELECTRODE ASSEMBLY AND LITHIUM BATTERY COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 18/531894 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18531894 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/531894
ELECTRODE ASSEMBLY AND LITHIUM BATTERY COMPRISING SAME Dec 6, 2023 Pending
Array ( [id] => 19071516 [patent_doc_number] => 20240105942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/527410 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7308 [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] => 18527410 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527410
Secondary battery, battery module, battery pack and electric device Dec 3, 2023 Issued
Array ( [id] => 19161386 [patent_doc_number] => 20240154093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => Lithium Secondary Battery [patent_app_type] => utility [patent_app_number] => 18/386651 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18386651 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386651
Lithium Secondary Battery Nov 2, 2023 Pending
Array ( [id] => 19421218 [patent_doc_number] => 20240297342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => Nonaqueous Electrolyte Solution and Nonaqueous Electrolyte Secondary Battery [patent_app_type] => utility [patent_app_number] => 18/385456 [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] => 51594 [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] => 18385456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385456
Nonaqueous Electrolyte Solution and Nonaqueous Electrolyte Secondary Battery Oct 30, 2023 Pending
Menu