Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525537 | Methacrylic resin shaped article, process for producing the same and process for producing a shaped article having a mat surface from said resin shaped article | Kazumasa Kamada, Katsumi Tamai, Yoshinobu Shiraishi | 1985-06-25 |
| 4509163 | Process for producing a low hygroscopic methacrylic resin and information recording substrates made therefrom | Kazumasa Kamada, Katsumi Tamai, Yasunori Shimomura | 1985-04-02 |
| 4296214 | Methacrylic resin having a high solar radiant energy absorbing property and process for producing the same | Kazumasa Kamada, Yoshio Nakai | 1981-10-20 |