Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632283 | Molten metal discharging device | Kazumi Arakawa, Takashi Watanabe, Takumi Nishio, Toshio Kawamura, Tsutomu Nagahata +1 more | 1986-12-30 |
| 4583721 | Molten metal discharging device | Kazumi Arakawa, Takashi Watanabe, Takumi Nishio, Toshio Kawamura, Tsutomu Nagahata +1 more | 1986-04-22 |
| 4530864 | Porous ceramic structure | Koji Kurihara, Yoshiro Aiba, Nobiru Komatsu, Haruo Ootuka, Kaoru Nishikido | 1985-07-23 |