Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599882 | Ring-opening polymer and a process for production thereof | Masayoshi Ohshima, Teiji Kohara, Toshiyasu Matsui, Tadao Natsuume | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599882 | Ring-opening polymer and a process for production thereof | Masayoshi Ohshima, Teiji Kohara, Toshiyasu Matsui, Tadao Natsuume | 1997-02-04 |