Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486561 | Polypropylene resin composition | Koki Hirano, Yutaka Kobayashi | 1996-01-23 |
| 5425926 | Process of coating molded article of olefinic resin | Takumi Kunikiyo, Ryoichi Ohki, Mitsutoshi Shimizu, Kazuhiko Yamauchi, Koki Hirano +1 more | 1995-06-20 |