Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898897 | Process for producing polyester resin composition | Kazuto Kiyohara, Toshiaki Yamazaki, Ichiya Harada, Takanori Nakadate, Kentaro Noguchi +2 more | 1990-02-06 |
| 4877819 | Process for producing polyester resin composition | Kazuto Kiyohara, Toshiyuki Hagiwara, Takanori Nakadate, Ichiya Harada, Kentaro Noguchi +1 more | 1989-10-31 |