Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594409 | Producing sequential polyamino acid resin | Ikuo Hayashi, Kiyoshi Shimizu | 1986-06-10 |
| 4559172 | Process for acylation with novel acylating agent | Ikuo Hayashi, Keizo Ogihara, Kiyoshi Shimizu | 1985-12-17 |
| 4525576 | Process for producing sequential polyamino acid resin | Ikuo Hayashi, Keizo Ogihara, Kiyoshi Shimizu | 1985-06-25 |