Issued Patents All Time
Showing 1–2 of 2 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, Kazunori Abe, Yoshinobu Shiraishi | 1985-06-25 |
| 4509163 | Process for producing a low hygroscopic methacrylic resin and information recording substrates made therefrom | Kazumasa Kamada, Yasunori Shimomura, Kazunori Abe | 1985-04-02 |