Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874800 | Polyester resin composition | Tsuyoshi Minamisawa, Eitaro Ikegami, Shigeru Nezu | 1989-10-17 |
| 4861515 | Polyester composition | Tsuyoshi Minamisawa, Toshio Kanoe | 1989-08-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874800 | Polyester resin composition | Tsuyoshi Minamisawa, Eitaro Ikegami, Shigeru Nezu | 1989-10-17 |
| 4861515 | Polyester composition | Tsuyoshi Minamisawa, Toshio Kanoe | 1989-08-29 |