Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098652 | Precision parts of non-magnetic stainless steels | Nobuaki Nakashima, Shinzo Sugai, Eiichi Watanabe | 1992-03-24 |
| 4420498 | Method of forming a decorative metallic nitride coating | Masahiko Hirose, Yoshiharu Ochi, Masatoshi Nakagawa | 1983-12-13 |
| 4417723 | Tuyere for blowing gases into molten metal bath container | Minoru Kitamura, Shinji Koyama, Shuzo Ito, Masahiko Ohgami, Hideo Matsui +2 more | 1983-11-29 |
| 4339326 | Surface processing apparatus utilizing microwave plasma | Masahiko Hirose, Masahiko Yotuyanagi | 1982-07-13 |