Issued Patents All Time
Showing 126–131 of 131 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4749521 | Process for preparing 1,4-diaminoanthraquinone-2,3-disubstituted compound | Satoshi Kajitani | 1988-06-07 |
| 4710320 | Method for producing 1-amino-2-phenoxy-4-hydroxyanthraquinones | Masao Nishikuri, Yasuyoshi Ueda | 1987-12-01 |
| 4519947 | Process for producing anthraquinone compounds | Akihiro Taguma, Toshihiko Morimitsu, Akira Takeshita | 1985-05-28 |
| 4510087 | Process for producing 1,4-diaminoanthraquinone-2-sulfonic acid | Akihiro Taguma, Akira Takeshita | 1985-04-09 |
| 4305956 | Miticidal method | Hajime Shibuya, Yukio Inoue, Shiro Okuda | 1981-12-15 |
| 4299771 | Process for producing anthraquinone compounds | Akira Takeshita, Kaneo Yokoyama | 1981-11-10 |