Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109919 | Heat exchanger | Kiyoshi Sakuma, Takayuki Yoshida, Tomohumi Tezuka, Katsuyuki Aoki, Makoto Yamada +1 more | 1992-05-05 |
| 4869316 | Heat exchanger | Takayuki Yoshida, Kiyoshi Sakuma, Yu Seshimo | 1989-09-26 |
| 4854380 | Heat exchanger | Takayuki Yoshida, Kiyoshi Sakuma, Yu Seshimo | 1989-08-08 |