SK

Sadanobu Kikkawa

SC Sumitomo Chemical: 8 patents #606 of 4,033Top 20%
Overall (All Time): #670,270 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5131917 Fiber reactive red dye composition Tetsuya Miyamoto, Yutaka Kayane, Kingo Akahori 1992-07-21
5116959 Fiber-reactive monoazo dye compounds having substituted triazinyl bridging group Toshihiko Morimitsu, Naoki Harada, Takashi Omura 1992-05-26
4910298 Monoazo compound having triazinyl bridging group and two vinylsulfone type fiber reactive groups imparting yellowish color Kazufumi Yokogawa, Naoki Harada, Takashi Omura 1990-03-20
4904766 Monoazo compound having two vinylsulfone type fiber reactive groups through triazinyl bridging group Kazufumi Yokogawa, Toshihiko Morimitsu, Naoki Harada, Takashi Omura 1990-02-27
4873321 Monazo compounds having a triozinyl bridging group and two vinylsulfone type fiber reactive groups Takashi Omura, Toshihiko Morimitsu, Naoki Harada, Tetsuya Miyamoto 1989-10-10
4841032 Fiber reactive monoazo compounds having two vinylsulfone type fiber reactive groups in the molecule Toshihiko Morimitsu, Naoki Harada, Takashi Omura 1989-06-20
4841033 Reactive red monoazo dye compound having two vinylsulfone type fiber reactive groups Toshihiko Morimitsu, Naoki Harada, Takashi Omura 1989-06-20
4837310 Red or bluish-red fiber-reactive monoazo compound having 7-substituted amino-1-naphthol-sulfonic acid as coupling component between the chromophore and fiber reactive portions of the compound Toshihiko Morimitsu, Takashi Omura 1989-06-06