Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877819 | Process for producing polyester resin composition | Toshiyuki Hagiwara, Takanori Nakadate, Ichiya Harada, Kentaro Noguchi, Shigeru Sakae +1 more | 1989-10-31 |
| 4847149 | Base for reflection-photographic elements | Yoshiyuki Funabashi, Naoko Shimomura | 1989-07-11 |