Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7511160 | Lactone derivative and its manufacturing method | Masayuki Kamiya, Kiyohiko Tajima, Eiji Furuya | 2009-03-31 |
| 6921820 | Method for forming cellulose | Kunio Arai, Tadafumi Ajiri, Mitsuru Sasaki | 2005-07-26 |
| 5077416 | Benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials and process for their production | Yasuyoshi Ueda, Jun Yamamoto, Takashi Omura, Shinei Ikeou, Yosuke Yamamoto | 1991-12-31 |
| 5075429 | Monoazo-disperse dye compounds their production and their use | Jun Yamamoto, Yasuyoshi Ueda, Takashi Omura, Yosuke Yamamoto, Junichi Sekihachi | 1991-12-24 |
| 5038415 | Disperse dye composition useful for dyeing of printing hydrophobic fiber materials: mixture of pyridone mono-azo dyes and optionally a quino-phthalone | Yasuyoshi Ueda, Junichi Sekihachi, Takashi Omura, Kiyoharu Nakatsuka | 1991-08-13 |
| 4923974 | 2,6-dicyano-4'-morpholinoazobenzene compounds useful for dyeing hydrophobic materials | Yasuyoshi Ueda, Jun Yamamoto, Kiyoyasu Hashimoto | 1990-05-08 |
| 4826505 | Monoazo pyridone compounds and application thereof for dyeing of hydrophobic fiber materials | Masao Nishikuri, Kiyoyasu Hashimoto | 1989-05-02 |