Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883606 | Water-soluble temper rolling oil and method of temper rolling | Hiroshi Kuwamoto, Shuichi Iwado, Yoichi Koga, Tomoya Izushi, Nobuomi Kuroi | 1989-11-28 |
| 4554087 | Metal processing composition | Iwane Chiba, Junji Fujiwara, Hiroshi Kuwamoto, Tomoya Izushi, Haruji Toyama | 1985-11-19 |