Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5438137 | Fiber reactive asymmetric dioxazine compounds and their use as fiber reactive dyes | Tetsuya Miyamoto, Miyao Takahashi, Takahiko Fujisaki, Takashi Omura, Naoki Harada | 1995-08-01 |
| 5077416 | Benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials and process for their production | Yasuyoshi Ueda, Jun Yamamoto, Takashi Omura, Hideo Hattori, Yosuke Yamamoto | 1991-12-31 |
| 5068327 | Symmetrical dioxazine compounds and their use as fiber-reactive dyes | Tetsuya Miyamoto, Miyao Takahashi, Takahiko Fujisaki, Takashi Omura | 1991-11-26 |
| 4832698 | Aqueous liquid composition of vinylsulfone type reactive dyes in lithium salt form and buffer | Takemi Tokieda, Noriaki Yamauchi, Kunihiko Imada, Yutaka Kayane | 1989-05-23 |
| 4780104 | Reactive dye-containing aqueous liquid composition | Noriaki Yamauchi, Kunihiko Imada | 1988-10-25 |
| 4740903 | Data processing system for chromatography | Kiyoharu Nakatsuka | 1988-04-26 |