Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582651 | Process for preparing hydroxyalkylaminosulfonic acids | Keizou Ishii, Ryuzo Mizuguchi, Shinichi Ishikura | 1986-04-15 |
| 4543216 | Polymerizable amino acid compounds and their production | Shinichi Ishikura, Ryuzo Mizuguchi | 1985-09-24 |
| 4481150 | Process for preparing hydroxyalkylaminosulfonic acids | Keizou Ishii, Ryuzo Mizuguchi, Shinichi Ishikura | 1984-11-06 |
| 4452746 | Polymerizable amino acid compounds and their production | Shinichi Ishikura, Ryuzo Mizuguchi | 1984-06-05 |
| 4403065 | Polymeric resin, and its production and use | Ryuzo Mizuguchi, Shinichi Ishikura, Keizo Ishii | 1983-09-06 |