Inventor
WADA SAYURI
JP8 patents
Patents
8 patentsUS5627287AMay 6, 1997
Phthalide compound and a near infrared absorber and a recording material each comprising the same compound
YAMAMOTO CHEMICALS INC7 citations68
US7485404B2Feb 3, 2009
Nonsolvate-form crystal of polymethine compound and process for producing the same
YAMAMOTO CHEMICALS INC2 citations60
US7446212B2Nov 4, 2008
Polymethine ethers
YAMAMOTO CHEMICALS INC2 citations60
US5376617ADec 27, 1994
Crystal modification of 2-(3-methylanilion)-3-methyl-6-diethylamino-fluoran, process for the preparation thereof, and recording materials containing said crystal modification
YAMAMOTO CHEMICALS INC2 citations59
US5438032AAug 1, 1995
Crystal modifications of 2-m-toluidino-3-methyl-6-di-n-butylaminofluoran, process for preparing thereof, and recording materials containing said crystal modifications
YAMAMOTO CHEMICALS INC0 citations51
US5342967AAug 30, 1994
Crystal modifications of 2-M-toluidino-3-methyl-6-di-N-butylaminofluoran, process for preparing thereof, and recording materials containing said crystal modifications
YAMAMOTO CHEMICALS INC1 citations51
US7709660B2May 4, 2010
Polymethine ether compounds
YAMAMOTO CHEMICALS INC0 citations50
US5338866AAug 16, 1994
Crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylaminofluoran, process for the preparation thereof, and recording materials containing said crystal modification
YAMAMOTO CHEMICALS INC1 citations48