Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772340 | Method of making iron-base articles having a remelted layer | Masatoshi Kawaguchi, Hiroshi Yoshinaga, Fusao Nakajima, Toshihiko Matsubara, Hisao Hirono +6 more | 1988-09-20 |
| 4527356 | Cam grinding machine | Takashi Ozone, Fusao Nakajima, Keiichi Yamada, Kazuo Araki | 1985-07-09 |