Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578028 | Surfactant composition | Masatake JOYABU, Kei SHIOHARA, Asako Ogasawara, Takuro KIMURA | 2023-02-14 |
| 10940453 | Surfactant composition | Masatake JOYABU, Kei SHIOHARA, Asako Ogasawara, Takuro KIMURA | 2021-03-09 |
| 7782578 | Relay protection circuit and controlling method thereof having relatively better effectiveness for suppressing DC ARC | — | 2010-08-24 |