Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996132 | Heat-resistant photosensitive resin composition | Kenji Tazawa, Akira Iwata, Tomoki Horigome | 1991-02-26 |
| 4904571 | Remover solution for photoresist | Tsuyoshi Miyashita, Shigeru Ohtawa, Shozo Toda, Hisashi Nakane | 1990-02-27 |
| 4741987 | Photopolymerizable composition including benzotriazole carboxylic acid | Shigeru Otawa, Junichi Onodera | 1988-05-03 |
| 4557996 | Method for providing a pattern-wise photoresist layer on a substrate plate and a surface-protected substrate plate therefor | Toshimi Aoyama, Kazuo Kato, Hisashi Nakane | 1985-12-10 |
| 4384011 | Process for producing gravure printing plates | Toshimi Aoyama, Bonpei Kato, Eiichi Tachibana, Shinichi Hikosaka | 1983-05-17 |