Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556640 | Dry gel composition | Yoji Ito | 1996-09-17 |
| 5496563 | Dry gel composition | Yoji Ito | 1996-03-05 |
| 4900781 | Process for modifying addition polymerization plastics | Toshio Niwa | 1990-02-13 |
| 4758647 | Process of crosslinking silicone rubber | Toshio Niwa | 1988-07-19 |