Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218552 | 3-phenyl-7-[4-(tetrahydrofurfuryloxy)phenyl]-1,5-dioxa-s-indacene-2,6-dione | Jun Yamamoto, Yasuyoshi Ueda | 2001-04-17 |
| 6146430 | Asymmetric dioxazine compound and method for dyeing or printing fiber Material using the same | Masahiko Tatsuma | 2000-11-14 |
| 5424455 | Heterocyclic compounds for making red disperse dyes | Jun Yamamoto, Yasuyoshi Ueda, Yosuke Yamamoto, Takashi Omura | 1995-06-13 |
| 5286881 | Process for producing benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials | Jun Yamamoto, Yutaka Kayane | 1994-02-15 |
| 5223616 | Heterocyclic disperse dye compound, their production and their use for dyeing or printing of hydrophobic fibers | Jun Yamamoto, Yosuke Yamamoto, Kazuhiro Machiguchi, Yutaka Kayane | 1993-06-29 |
| 5075429 | Monoazo-disperse dye compounds their production and their use | Jun Yamamoto, Yasuyoshi Ueda, Takashi Omura, Yosuke Yamamoto, Hideo Hattori | 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, Takashi Omura, Hideo Hattori, Kiyoharu Nakatsuka | 1991-08-13 |