Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5424172 | Photosensitive resin composition | Akira Tomita, Keizo Kawahara, Toshihiko Kajima | 1995-06-13 |
| 5372913 | Photosensitive resin composition | Akira Tomita, Keizo Kawahara, Toshihiko Kajima | 1994-12-13 |
| 5124736 | Process and apparatus for developing photopolymer plates | Katsumasa Yamamoto, Kyoichi Mizuno, Kosaku Onodera, Keizo Kawahara | 1992-06-23 |
| 4544624 | Photosensitive resin composition | Akira Tomita, Toshiaki Fujimura, Kuniomi Etoh | 1985-10-01 |
| 4220704 | Water soluble photosensitive resin compositions comprising a polyamide or its salt | Kuniomi Etoh | 1980-09-02 |
| 4188221 | Photosensitive polyamide resin composition useful for making relief printing plate | Toshiaki Fujimura, Hajime Kouda, Yoshihiro Kasho, Kuniomi Etoh | 1980-02-12 |
| 4187112 | Photosensitive plate containing nitrogen containing condensation type polyesters | Kuniomi Etoh, Morio Miyagi | 1980-02-05 |