Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737290 | Gel for the separation of useful components contained in rhodanate-containing detoxication treated liquid and method of separation using said gel | Toshiyuki Kobashi, Hideo Naka | 1988-04-12 |
| 4725646 | Method of producing hard polyvinyl alcohol gel | Toshiyuki Kobashi, Hideo Naka | 1988-02-16 |