Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6898946 | Vehicle air-conditioning system | Satohisa Yoshida, Makoto Umebayashi | 2005-05-31 |
| 4427034 | Coating composition for protecting inner surface of tubes in heat exchangers | Koji Nagata, Shiro Sato | 1984-01-24 |
| 4335677 | Coating of the inner surface of tubes | Koji Nagata, Kyuji Sudo | 1982-06-22 |