Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798867 | Impact resistant thermoplastic resin composition | Yoshio Nakai | 1989-01-17 |
| 4740557 | Impact resistant thermoplastic resin composition | Yoshio Nakai | 1988-04-26 |
| 4730023 | Impact resistant methacrylic resin composition | Fumio Sato | 1988-03-08 |
| 4604416 | Methacrylic resin composition | Yoshio Nakai, Katsusuke Yamauchi, Masaaki Kishimura | 1986-08-05 |
| 4595728 | Impact-resistant methacrylic resin composition | Yoshio Nakai | 1986-06-17 |
| 4433103 | Impact-resistant methacrylic resin composition | Kazumasa Kamata | 1984-02-21 |