Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849228 | Polymer, production and use thereof | Masaki Yamamoto, Yasuaki Ogawa, Tsutomu Miyagawa | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849228 | Polymer, production and use thereof | Masaki Yamamoto, Yasuaki Ogawa, Tsutomu Miyagawa | 1989-07-18 |