Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11490513 | Metal base circuit board and method of manufacturing the metal base circuit board | Katsumi MIZUNO | 2022-11-01 |
| 11332623 | Carbon black, electrode catalyst and fuel cell using same, and method for producing carbon black | Makoto Uchida, Katsuyoshi KAKINUMA, Yusaku HARADA, Takeshi Miyakawa | 2022-05-17 |