Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6206814 | Composite work roll for cold rolling | Taku Tanaka, Masatoshi Ayagaki, Mitsuo Hashimoto, Katsutoshi Hokimoto, Akira Itoh | 2001-03-27 |
| 5419973 | Composite roll for rolling and process for producing the same | Mitsuo Hashimoto, Masatoshi Ayagaki, Kenzo Sawada, Shigeru Uchida | 1995-05-30 |
| 4861682 | Clad steel materials having excellent ductility and corrosion resistance | Yoshio Hashimoto, Tsuyoshi Kawano, Kaname Hasuka | 1989-08-29 |