Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7619030 | Automobile part of polypropylene resin composition | Koji Kawai, Masahiro Yamashita, Yasushi Tohi, Keita Itakura, Ikunori Sakai +5 more | 2009-11-17 |
| 7446147 | Propylene resin composition | Ikunori Sakai, Yoshio Sugimoto, Kenta Tsubohara | 2008-11-04 |
| 7081493 | Automotive part made of polypropylene resin composition | Koji Kawai, Masahiro Yamashita, Yasushi Tohi, Keita Itakura, Ikunori Sakai +5 more | 2006-07-25 |