Solid oxide fuel cell
US-2025158087-A1 · May 15, 2025 · US
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Ichihara Keiji patents
Ichihara Keiji is listed as an inventor on 26 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ichihara Keiji |
| Total patents | 26 |
| First publication | Jan 14, 2016 |
| Latest publication | May 15, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Solid oxide fuel cell
US-2025070193-A1 · Feb 27, 2025 · US
Solid oxide fuel cell and method for producing solid oxide fuel cell
US-2024266572-A1 · Aug 8, 2024 · US
Cell structure for fuel cell and fuel cell system
US-11398638-B2 · Jul 26, 2022 · US
Solid oxide fuel cell
US-11322770-B2 · May 3, 2022 · US
Fuel cell
US-11223053-B2 · Jan 11, 2022 · US
Fuel cell stack having separators with protrusions
US-11139486-B2 · Oct 5, 2021 · US
Single cell structure for fuel cell
US-11018351-B2 · May 25, 2021 · US
Solid oxide fuel cell
US-2021057772-A1 · Feb 25, 2021 · US
Cell structure for fuel cell and fuel cell system
US-2020168931-A1 · May 28, 2020 · US
Recent patents
Latest publications not already listed above.
Fuel cell stack
US-10629922-B2 · Apr 21, 2020 · US
Fuel cell stack seal structure and production method therefor
US-10615433-B2 · Apr 7, 2020 · US
Single cell structure for fuel cell
US-2020028186-A1 · Jan 23, 2020 · US
Fuel cell stack and fuel cell system
US-10522866-B2 · Dec 31, 2019 · US
Fuel cell stack and separator for fuel cell stack
US-2019305324-A1 · Oct 3, 2019 · US
Fuel cell stack
US-2019296371-A1 · Sep 26, 2019 · US
Single cell structure for fuel cells, and fuel cell stack structure wherein said fuel cell single cells are stacked
US-10411273-B2 · Sep 10, 2019 · US
Single cell structure for fuel cells, and fuel cell stack structure wherein said fuel cell single cells are stacked
US-2019173102-A1 · Jun 6, 2019 · US
Fuel cell
US-2019173106-A1 · Jun 6, 2019 · US
Fuel cell stack seal structure and production method therefor
US-2018358634-A1 · Dec 13, 2018 · US
Fuel cell manufacturing method and fuel cell manufacturing device
US-10128524-B2 · Nov 13, 2018 · US
Fuel-cell-stack manufacturing method and manufacturing device
US-9627706-B2 · Apr 18, 2017 · US
Fuel cell manufacturing method and fuel cell manufacturing device
US-2017069928-A1 · Mar 9, 2017 · US
Fuel-cell-stack manufacturing method and manufacturing device
US-2016308238-A1 · Oct 20, 2016 · US
Fuel cell stack
US-9413028-B2 · Aug 9, 2016 · US
Fuel cell stack and fuel cell system
US-2016013509-A1 · Jan 14, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nissan Motor | 26 |
| Ichihara Keiji | 1 |
| Numao Yasuhiro | 1 |
| Uehara Sigetaka | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/50 | 26 |
| H01M8/0273 | 12 |
| H01M8/026 | 11 |
| H01M8/2483 | 11 |
| H01M8/242 | 10 |