Inventor
MASUMOTO MITSUHIKO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “MASUMOTO MITSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
8 patentsUS5118726AJun 2, 1992
Polycarbonate resin composition for radiation sterilization
MITSUBISHI GAS CHEMICAL CO28 citations90
US6288204B1Sep 11, 2001
Branched polycarbonate resin and process for producing the same
MITSUBISHI GAS CHEMICAL CO7 citations71
US5021541AJun 4, 1991
Polycarbonate resin from bis(hydroxy benzoyl oxy-tetra oxa spiro) cpd.
MITSUBISHI GAS CHEMICAL CO7 citations68
US4952664AAug 28, 1990
Process for producing weather-resistant polycarbonate with triazine-imide chain terminator
MITSUBISHI GAS CHEMICAL CO4 citations61
US6576735B2Jun 10, 2003
Polycarbonate resin
MITSUBISHI GAS CHEMICAL CO4 citations58
US4950771AAug 21, 1990
Dihydroxy compound
MITSUBISHI GAS CHEMICAL CO5 citations57
US4924025AMay 8, 1990
Novel dihydroxy compound
MITSUBISHI GAS CHEMICAL CO2 citations57
US5457174AOct 10, 1995
Method for preparing polycarbonates by transesterification in a steel reactor
MITSUBISHI GAS CHEMICAL CO0 citations40