Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7670444 | Non-heat treated steel for hot forging with easy fracture splitting | Koichiro Inoue, Sadayuki Nakamura, Kouji Itakura, Yoshio Okada, Noriyuki Shiwaku +4 more | 2010-03-02 |
| D323371 | Floating board for swimming or the like | — | 1992-01-21 |