Inventor
OGINO KAZUYA
JP13 patents
Patents
13 patentsUS5700296ADec 23, 1997
Azo compound and a polarizing film containing the same
SUMITOMO CHEMICAL CO23 citations91
US5488101AJan 30, 1996
Trisazo compounds, method for dyeing fiber materials, paper or leather using the same and inks containing the same
SUMITOMO CHEMICAL CO20 citations91
US5183501AFeb 2, 1993
Ink compositions for ink jet recording
SUMITOMO CHEMICAL CO35 citations90
US6235064B1May 22, 2001
Dye containing polarizing film
SUMITOMO CHEMICAL CO13 citations72
US5530105AJun 25, 1996
Tetraskisazo compound and ink containing the compound
SUMITOMO CHEMICAL CO17 citations72
US5536819AJul 16, 1996
Trisazo compounds imparting deep black color a method for dyeing by using them and an ink containing them
SUMITOMO CHEMICAL CO9 citations71
US5354512AOct 11, 1994
Dye-containing polarizing film
SUMITOMO CHEMICAL CO17 citations71
US5609796AMar 11, 1997
Dye containing polarizing film
SUMITOMO CHEMICAL CO10 citations69
US5480977AJan 2, 1996
Disazo dyes having aminobenzoylamino group
SUMITOMO CHEMICAL CO3 citations62
US5180817AJan 19, 1993
Trisazo compounds and use thereof
SUMITOMO CHEMICAL CO3 citations62
US5659020AAug 19, 1997
Tetrakisazo compound and a polarizing film containing the same
SUMITOMO CHEMICAL CO3 citations61
US5489671AFeb 6, 1996
Trisazo compound imparting black color, method for dyeing by using it and ink containing it
SUMITOMO CHEMICAL CO6 citations60
US5149366ASep 22, 1992
Disazo compound and ink composition containing the same
SUMITOMO CHEMICAL CO3 citations60