Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514668 | Photosensitive lithographic printing plate | Hideaki Okamoto | 2003-02-04 |
| 5849463 | Photosensitive composition | Akihisa Murata, Toshiyuki Matsumura, Nobuyuki Ishii, Noriyuki Kidu | 1998-12-15 |
| 5800965 | Photopolymerizable composition for a photosensitive lithographic printing plate and photosensitive lithographic printing plate employing it | Hideaki Okamoto | 1998-09-01 |
| 5723260 | Unsaturated group-containing urethane compound, photopolymerizable composition containing it, and photosensitive lithographic printing plate | Hiroshi Tomiyasu | 1998-03-03 |
| 5427887 | Light-sensitive composition | Satoshi Konuma, Toshiyuki Matsumura, Akihisa Murata | 1995-06-27 |
| 4296316 | Optical focusing device | Takahisa Aikawa | 1981-10-20 |