Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778725 | Functional polymers derived from polyamines and process for producing the same | Hajime Serizawa, Koichi Ojima, Kiyoshi Shimizu | 1988-10-18 |
| 4701497 | Process for producing novel photosensitive resins | Hajime Serizawa, Kiyoshi Shimizu, Susumu Harada | 1987-10-20 |
| 4559172 | Process for acylation with novel acylating agent | Ikuo Hayashi, Tadao Itikawa, Kiyoshi Shimizu | 1985-12-17 |
| 4525576 | Process for producing sequential polyamino acid resin | Ikuo Hayashi, Tadao Itikawa, Kiyoshi Shimizu | 1985-06-25 |