Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5944922 | Highly tenacious ferritic heat resisting steel | Yoshikuni Kadoya, Hisataka Kawai, Koji Takahashi | 1999-08-31 |
| 5817192 | High-strength and high-toughness heat-resisting steel | Hisataka Kawai, Toshio Sakon, Yoshikuni Kadoya, Ichirou Tsuji | 1998-10-06 |
| 5798082 | High-strength and high-toughness heat-resistant cast steel | Yoshikuni Kadoya, Hisataka Kawai | 1998-08-25 |