Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826505 | Monoazo pyridone compounds and application thereof for dyeing of hydrophobic fiber materials | Kiyoyasu Hashimoto, Hideo Hattori | 1989-05-02 |
| 4710320 | Method for producing 1-amino-2-phenoxy-4-hydroxyanthraquinones | Makoto Hattori, Yasuyoshi Ueda | 1987-12-01 |
| 4690686 | Light-fast yellow disperse dye composition for polyester | Toshio Nakamatsu, Yoshikazu Matsuo, Kunihiko Imada | 1987-09-01 |
| 4607102 | Dioxazine fiber reactive compound | Takashi Omura, Akira Takeshita | 1986-08-19 |
| 4331584 | Styryl compounds and coloring synthetic resins therewith | Michio Yamazaki, Kiyoteru Kojima, Junzaburo Seino, Hirohito Kenmochi | 1982-05-25 |
| 4292247 | Process for producing anthraquinone intermediates | Akira Takeshita, Hirohito Kenmochi | 1981-09-29 |