Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11958802 | Migration-resistant photopolymerization sensitizer | Akihiko Yamada, Hidehiko Tanaka | 2024-04-16 |
| 11420928 | Polymer photopolymerization sensitizer | Akihiko Yamada, Shuji Yokoyama, Tatsuki Takeuchi | 2022-08-23 |
| 11149103 | Photopolymerization sensitizer composition and photopolymerizable composition comprising the same | Shuji Yokoyama, Yasuaki Miki, Akihiko Yamada | 2021-10-19 |
| 10570227 | Photopolymerizable composition | Shuji Yokoyama, Yasuaki Miki, Akihiko Yamada | 2020-02-25 |
| 7279607 | Process for producing anthracene diether | Hiroyuki Honda, Hiroki Nakano | 2007-10-09 |
| 5702615 | Method for the treatment of waste water | Souichi Shibuya | 1997-12-30 |
| 4632782 | Oxidizing an organic compound | Tatsuyoshi Komatsu, Katsuhiko Hioki, Toshihiko Sumino | 1986-12-30 |
| 4536337 | Process for the preparation of quinones | Tatsuyoshi Komatsu, Toshihiko Sumino, Katsumi Matsuzaki, Masao Narita, Katsuhiko Hioki | 1985-08-20 |
| 4530745 | Method for electrolyzing cerous sulfate | Tatsuyoshi Komatsu, Katsuhiko Hioki, Toshihiko Sumino | 1985-07-23 |
| 4450111 | Process for the purification of anthraquinone | Tatsuyoshi Komatsu, Kazuhiro Maruyama | 1984-05-22 |
| 4369140 | Process for producing hydroanthraquinones | Tatsuyoshi Komatsu, Kenji Usui | 1983-01-18 |