Metal porous sheet, fuel cell, and water electrolysis device
US-12435431-B2 · Oct 7, 2025 · US
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Numata Koma patents
Numata Koma is listed as an inventor on 55 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Numata Koma |
| Total patents | 55 |
| First publication | May 21, 2015 |
| Latest publication | Oct 7, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Conductive member, fuel cell, and electrolysis device
US-2025096283-A1 · Mar 20, 2025 · US
Fuel cell
US-11996589-B2 · May 28, 2024 · US
Chromium adsorption material and fuel cell
US-11984627-B2 · May 14, 2024 · US
Porous body and fuel cell including the same
US-11757106-B2 · Sep 12, 2023 · US
Metal porous body and method for producing metal porous body
US-11757101-B2 · Sep 12, 2023 · US
Electrochemical cell device
US-2023135982-A1 · May 4, 2023 · US
Porous body and fuel cell including the same
US-2023099013-A1 · Mar 30, 2023 · US
Porous body and fuel cell including the same
US-2022416255-A1 · Dec 29, 2022 · US
Porous body, fuel cell including the same, and steam electrolysis apparatus including the same
US-2022320530-A1 · Oct 6, 2022 · US
Recent patents
Latest publications not already listed above.
Coolant and power storage pack using same
US-11380946-B2 · Jul 5, 2022 · US
Porous body, current collector including the same, and fuel cell
US-11329295-B2 · May 10, 2022 · US
Chromium adsorption material and fuel cell
US-2021257640-A1 · Aug 19, 2021 · US
Metal porous body, solid oxide fuel cell, and method for producing metal porous body
US-2021249666-A1 · Aug 12, 2021 · US
Fuel cell
US-2021202960-A1 · Jul 1, 2021 · US
Porous body, fuel cell including the same, and steam electrolysis apparatus including the same
US-2021175520-A1 · Jun 10, 2021 · US
Metal porous sheet, fuel cell, and water electrolysis device
US-2021119229-A1 · Apr 22, 2021 · US
Negative electrode composition for electric storage device, negative electrode including the composition, electric storage device, and method for producing negative electrode for electric storage device
US-10886531-B2 · Jan 5, 2021 · US
Coolant and power storage pack using same
US-2020388890-A1 · Dec 10, 2020 · US
Porous body, current collector including the same, and fuel cell
US-2020350600-A1 · Nov 5, 2020 · US
Composite metal porous body and method for producing composite metal porous body
US-2020190680-A1 · Jun 18, 2020 · US
Metal porous body, solid oxide fuel cell, and method for producing metal porous body
US-2020161666-A1 · May 21, 2020 · US
Method for manufacturing titanium-plated member
US-2020102664-A1 · Apr 2, 2020 · US
Molten-salt titanium plating solution composition and method for manufacturing titanium-plated member
US-2020080216-A1 · Mar 12, 2020 · US
Method for preparing titanium plating solution and method for manufacturing titanium plated product
US-2020063281-A1 · Feb 27, 2020 · US
Metal porous body and method for producing metal porous body
US-2020036011-A1 · Jan 30, 2020 · US
Negative electrode active material and negative electrode for sodium secondary battery using molten salt electrolyte, and sodium secondary battery using molten salt electrolyte
US-2019198873-A1 · Jun 27, 2019 · US
Conductive material and method for manufacturing the same
US-2019093249-A1 · Mar 28, 2019 · US
Negative electrode composition for electric storage device, negative electrode including the composition, electric storage device, and method for producing negative electrode for electric storage device
US-2019027744-A2 · Jan 24, 2019 · US
Negative electrode composition for electric storage device, negative electrode including the composition, electric storage device, and method for producing negative electrode for electric storage device
US-2018151877-A2 · May 31, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Sumitomo Electric Industries | 55 |
| Nippon Soda Co | 4 |
| Univ Kyoto | 4 |
| Maruyama Shinichi | 4 |
| Sumitomo Wiring Systems | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 32 |
| H01M10/054 | 20 |
| H01M8/0232 | 20 |
| Y02E60/50 | 20 |
| H01M10/399 | 18 |