Inventor
SUMITOMO TAKASHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “SUMITOMO TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
16 patentsUS5395890AMar 7, 1995
Styrene-based resin composition
IDEMITSU KOSAN CO34 citations96
US5270353ADec 14, 1993
Resin composition
IDEMITSU KOSAN CO52 citations96
US5166238ANov 24, 1992
Styrene-based resin composition
IDEMITSU KOSAN CO65 citations95
US6013726AJan 11, 2000
Composition of styrene resin, thermoplastic resin and rubber
IDEMITSU KOSAN CO28 citations92
US5990217ANov 23, 1999
Styrene based resin composition
IDEMITSU KOSAN CO19 citations92
US5109068AApr 28, 1992
Styrene-based polymer composition, stretched molding thereof and process for producing the same
IDEMITSU KOSAN CO46 citations92
US6087435AJul 11, 2000
Composition of styrene resin, thermoplastic resin and rubber particles
IDEMITSU KOSAN CO18 citations84
US6046275AApr 4, 2000
Styrene resin with rubber polymer particles
IDEMITSU KOSAN CO17 citations84
US6093768AJul 25, 2000
Syndiotactic styrene resin, thermoplastic resin and rubber
IDEMITSU KOSAN CO13 citations74
US6051655AApr 18, 2000
Styrene-based resin composition with thermoplastic resin
IDEMITSU KOSAN CO10 citations74
US6043307AMar 28, 2000
Styrene-based resin composition
IDEMITSU KOSAN CO4 citations74
US6008293ADec 28, 1999
Syndiotactic polystyrene and polycarbonate resin compositions
IDEMITSU KOSAN CO14 citations74
US5891951AApr 6, 1999
Styrene-based resin composition
IDEMITSU KOSAN CO13 citations74
US5034441AJul 23, 1991
Styrene-based resin composition and process for producing molding products thereof
IDEMITSU KOSAN CO17 citations74
US4937272AJun 26, 1990
Expanded thermoplastic resinous materials and process for production thereof
IDEMITSU KOSAN CO13 citations74
US5322869AJun 21, 1994
Styrene-based resin composition and process for production of moldings
IDEMITSU KOSAN CO11 citations73
IDEMITSU PETROCHEMICAL CO
3 patentsUS6201090B1Mar 13, 2001
Propylene/ethylene block copolymer
IDEMITSU PETROCHEMICAL CO21 citations91
US5985973ANov 16, 1999
Polypropylene-based resins and polypropylene-based resin compositions
IDEMITSU PETROCHEMICAL CO24 citations91
US6639038B2Oct 28, 2003
Crystalline polypropylene and its moldings and films
IDEMITSU PETROCHEMICAL CO3 citations60