Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6008891 | Automatic flaw removing method for long materials | Hiroto Kobayashi, Koji Kawamura, Minoru Nakakusu | 1999-12-28 |
| 4557816 | Electrolytic cell with ion exchange membrane | Muneo Yoshida | 1985-12-10 |