Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957845 | Printing plate | Masanao Isono, Ken Kawamura, Masaya Asano, Tetuo Suzuki | 1990-09-18 |
| 4853313 | Printing plate | Yoichi Mori, Mikio Tsuda, Chikara Ichijo | 1989-08-01 |
| 4308799 | Dry planographic printing plate | Takao Kitagawa, Tadami Kamaishi | 1982-01-05 |
| 4259905 | Waterless planographic printing plate with polysiloxane coating | Tadami Kamaishi | 1981-04-07 |