Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251622 | Photo-sensitive composition for dry formation of image | Koichi Kimoto, Yasusi Umeda, Shin Saito, Yasuyuki Takimoto | 1981-02-17 |
| 4226930 | Electrophotographic method for producing photopolymer printing plate | Yasuyuki Takimoto, Shin Saito, Masakatsu Nishimura, Yasushi Umeda | 1980-10-07 |