Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5241151 | Continuous electron beam irradiation of metal strip | Yutaka Naruse, Yoshinori Anabuki, Eiji Hina, Kiyoshi Wakabayashi, Takayuki Naoi +1 more | 1993-08-31 |
| 4942773 | Device for sampling steel material | Akira Ichihara, Akimune Sato, Kenji Hirata, Katsuhisa Hirayama, Eiji Hina +4 more | 1990-07-24 |
| 4833930 | Method of sampling steel material and a device therefor | Akira Ichihara, Akimune Sato, Kenji Hirata, Katsuhisa Hirayama, Eiji Hina +4 more | 1989-05-30 |