Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007965 | Photopolymerizable compositions including squarylium compounds | Tsuguo Yamaoka, Kenichi Koseki, Mitsuharu Obara, Ikuo Shimizu, Yukiyoshi Ito | 1999-12-28 |
| 5756258 | Photopolymerizable composition containing an addition polymerizable compound, a radical-producing agent and a squarylium compound | Tsuguo Yamaoka, Kenichi Koseki, Mitsuharu Obara, Ikuo Shimizu, Yukiyoshi Ito | 1998-05-26 |