
Kwasi Karikari
Examiner (ID: 2226, Phone: (571)272-8566 , Office: P/2641 )
| Most Active Art Unit | 2641 |
| Art Unit(s) | 2686, 2617, 2641 |
| Total Applications | 1541 |
| Issued Applications | 1172 |
| Pending Applications | 96 |
| Abandoned Applications | 300 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 18721737
[patent_doc_number] => 11799095
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-10-24
[patent_title] => Conductive member, cell, cell stack device, module, and module housing device
[patent_app_type] => utility
[patent_app_number] => 17/799905
[patent_app_country] => US
[patent_app_date] => 2021-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 8384
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 54
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17799905
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/799905 | Conductive member, cell, cell stack device, module, and module housing device | Jun 28, 2021 | Issued |
Array
(
[id] => 18827845
[patent_doc_number] => 11843138
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-12-12
[patent_title] => Metal separator and fuel cell stack
[patent_app_type] => utility
[patent_app_number] => 17/360110
[patent_app_country] => US
[patent_app_date] => 2021-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 11292
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 280
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17360110
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/360110 | Metal separator and fuel cell stack | Jun 27, 2021 | Issued |
Array
(
[id] => 17145544
[patent_doc_number] => 20210313557
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-10-07
[patent_title] => NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING THE SAME
[patent_app_type] => utility
[patent_app_number] => 17/354060
[patent_app_country] => US
[patent_app_date] => 2021-06-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7485
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 34
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17354060
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/354060 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING THE SAME | Jun 21, 2021 | Abandoned |
Array
(
[id] => 18358020
[patent_doc_number] => 11646428
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-05-09
[patent_title] => Photocurable resin composition, fuel cell, and sealing method
[patent_app_type] => utility
[patent_app_number] => 17/349171
[patent_app_country] => US
[patent_app_date] => 2021-06-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 12558
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 119
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17349171
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/349171 | Photocurable resin composition, fuel cell, and sealing method | Jun 15, 2021 | Issued |
Array
(
[id] => 17709246
[patent_doc_number] => 20220209254
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-06-30
[patent_title] => Multiple Perforation Plate for Fuel Cell Separators
[patent_app_type] => utility
[patent_app_number] => 17/346516
[patent_app_country] => US
[patent_app_date] => 2021-06-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4640
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 140
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17346516
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/346516 | Multiple perforation plate for fuel cell separators | Jun 13, 2021 | Issued |
Array
(
[id] => 18515003
[patent_doc_number] => 20230231273
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-07-20
[patent_title] => IMPROVED MICROPOROUS MEMBRANE AND DEVICES COMPRISING THE SAME
[patent_app_type] => utility
[patent_app_number] => 18/009342
[patent_app_country] => US
[patent_app_date] => 2021-06-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6274
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -31
[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] => 18009342
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/009342 | IMPROVED MICROPOROUS MEMBRANE AND DEVICES COMPRISING THE SAME | Jun 10, 2021 | Pending |
Array
(
[id] => 17818834
[patent_doc_number] => 11424460
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-08-23
[patent_title] => Four-fluid bipolar plate for fuel cell
[patent_app_type] => utility
[patent_app_number] => 17/344377
[patent_app_country] => US
[patent_app_date] => 2021-06-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 19
[patent_no_of_words] => 8179
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[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] => 17344377
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/344377 | Four-fluid bipolar plate for fuel cell | Jun 9, 2021 | Issued |
Array
(
[id] => 17116050
[patent_doc_number] => 20210296647
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-09-23
[patent_title] => Positive Electrode Active Material For Lithium Secondary Battery, Comprising Lithium Cobalt Oxide For High Voltage, And Method For Preparing Same
[patent_app_type] => utility
[patent_app_number] => 17/341950
[patent_app_country] => US
[patent_app_date] => 2021-06-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7811
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[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] => 17341950
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/341950 | Positive electrode active material for lithium secondary battery, comprising lithium cobalt oxide for high voltage, and method for preparing same | Jun 7, 2021 | Issued |
Array
(
[id] => 17116063
[patent_doc_number] => 20210296660
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-09-23
[patent_title] => BIPOLAR PLATE OF FUEL CELL AND METHOD FOR MANUFACTURING THE SAME
[patent_app_type] => utility
[patent_app_number] => 17/341262
[patent_app_country] => US
[patent_app_date] => 2021-06-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11829
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 53
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17341262
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/341262 | BIPOLAR PLATE OF FUEL CELL AND METHOD FOR MANUFACTURING THE SAME | Jun 6, 2021 | Abandoned |
Array
(
[id] => 18001201
[patent_doc_number] => 11502313
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-11-15
[patent_title] => Fuel cell
[patent_app_type] => utility
[patent_app_number] => 17/323218
[patent_app_country] => US
[patent_app_date] => 2021-05-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 4096
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[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] => 17323218
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/323218 | Fuel cell | May 17, 2021 | Issued |
Array
(
[id] => 18456732
[patent_doc_number] => 20230198014
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-22
[patent_title] => BATTERY CELL COMPRISING SPECIAL POROUS SOLID ELECTROLYTE FOAMS
[patent_app_type] => utility
[patent_app_number] => 17/999089
[patent_app_country] => US
[patent_app_date] => 2021-05-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4529
[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] => 17999089
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/999089 | BATTERY CELL COMPRISING SPECIAL POROUS SOLID ELECTROLYTE FOAMS | May 10, 2021 | Pending |
Array
(
[id] => 20204252
[patent_doc_number] => 12407039
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-02
[patent_title] => Battery module and method for manufacturing the same
[patent_app_type] => utility
[patent_app_number] => 17/783148
[patent_app_country] => US
[patent_app_date] => 2021-04-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 1089
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 223
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17783148
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/783148 | Battery module and method for manufacturing the same | Apr 29, 2021 | Issued |
Array
(
[id] => 17700497
[patent_doc_number] => 11374232
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-06-28
[patent_title] => Dielectric separator for fuel cell stack assembly and manufacturing method thereof
[patent_app_type] => utility
[patent_app_number] => 17/244098
[patent_app_country] => US
[patent_app_date] => 2021-04-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 14
[patent_no_of_words] => 5790
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 88
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17244098
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/244098 | Dielectric separator for fuel cell stack assembly and manufacturing method thereof | Apr 28, 2021 | Issued |
Array
(
[id] => 20267227
[patent_doc_number] => 12438227
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-10-07
[patent_title] => Battery pack and device including the same
[patent_app_type] => utility
[patent_app_number] => 17/772096
[patent_app_country] => US
[patent_app_date] => 2021-04-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 0
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 98
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772096
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/772096 | Battery pack and device including the same | Apr 12, 2021 | Issued |
Array
(
[id] => 18283178
[patent_doc_number] => 20230098650
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-03-30
[patent_title] => SEPARATOR FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
[patent_app_type] => utility
[patent_app_number] => 17/908394
[patent_app_country] => US
[patent_app_date] => 2021-03-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6543
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[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] => 17908394
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/908394 | Separator for lithium secondary battery, method for manufacturing same, and lithium secondary battery comprising same | Mar 30, 2021 | Issued |
Array
(
[id] => 20244373
[patent_doc_number] => 12424707
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-23
[patent_title] => Separator for lithium secondary battery, manufacturing method therefor, and lithium secondary battery comprising same
[patent_app_type] => utility
[patent_app_number] => 17/801824
[patent_app_country] => US
[patent_app_date] => 2021-03-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3146
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 95
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17801824
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/801824 | Separator for lithium secondary battery, manufacturing method therefor, and lithium secondary battery comprising same | Mar 30, 2021 | Issued |
Array
(
[id] => 17145581
[patent_doc_number] => 20210313594
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-10-07
[patent_title] => GAS FLOW PATH STRUCTURE, SUPPORT PLATE AND FUEL CELL
[patent_app_type] => utility
[patent_app_number] => 17/211406
[patent_app_country] => US
[patent_app_date] => 2021-03-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5579
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -2
[patent_words_short_claim] => 182
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211406
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/211406 | GAS FLOW PATH STRUCTURE, SUPPORT PLATE AND FUEL CELL | Mar 23, 2021 | Abandoned |
Array
(
[id] => 18001200
[patent_doc_number] => 11502312
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-11-15
[patent_title] => Resin frame equipped membrane electrode assembly and method of producing resin frame member for fuel cell
[patent_app_type] => utility
[patent_app_number] => 17/204305
[patent_app_country] => US
[patent_app_date] => 2021-03-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 9
[patent_no_of_words] => 8687
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 166
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17204305
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/204305 | Resin frame equipped membrane electrode assembly and method of producing resin frame member for fuel cell | Mar 16, 2021 | Issued |
Array
(
[id] => 18334967
[patent_doc_number] => 20230126915
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-04-27
[patent_title] => ENERGY STORAGE FACILITY
[patent_app_type] => utility
[patent_app_number] => 17/914696
[patent_app_country] => US
[patent_app_date] => 2021-03-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 13796
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -5
[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] => 17914696
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/914696 | ENERGY STORAGE FACILITY | Mar 14, 2021 | Pending |
Array
(
[id] => 18131556
[patent_doc_number] => 11557774
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-01-17
[patent_title] => Metal separator
[patent_app_type] => utility
[patent_app_number] => 17/198559
[patent_app_country] => US
[patent_app_date] => 2021-03-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 11
[patent_no_of_words] => 9393
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 109
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17198559
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/198559 | Metal separator | Mar 10, 2021 | Issued |