Inventor

YOKOYAMA KANEO

JP4 patents

Patents

4 patents

US5700296ADec 23, 1997

Azo compound and a polarizing film containing the same

SUMITOMO CHEMICAL CO23 citations91

US4935500AJun 19, 1990

Metallized formazan compounds having two fiber reactive groups linked by n-alkyl-containing group

SUMITOMO CHEMICAL CO17 citations72

US4299771ANov 10, 1981

Process for producing anthraquinone compounds

SUMITOMO CHEMICAL CO12 citations72

US5659020AAug 19, 1997

Tetrakisazo compound and a polarizing film containing the same

SUMITOMO CHEMICAL CO3 citations61