Inventor

TESHIMA HIDEO

JP13 patents

⚠️ This page may combine multiple inventors who share the name “TESHIMA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IDEMITSU KOSAN CO

7 patents

US5321122AJun 14, 1994

Process for purification of styrene polymer

IDEMITSU KOSAN CO14 citations73

US5247020ASep 21, 1993

Process for producing a styrene polymer composition

IDEMITSU KOSAN CO16 citations73

US5739227AApr 14, 1998

Process for controlling molecular weight of a styrenic polymer

IDEMITSU KOSAN CO5 citations62

US5612452AMar 18, 1997

Process for purification of styrenic polymer

IDEMITSU KOSAN CO2 citations62

US5426176AJun 20, 1995

Process for purification of styrenic polymer

IDEMITSU KOSAN CO4 citations62

US5420240AMay 30, 1995

Process for purification of syndiotactic styrene polymer

IDEMITSU KOSAN CO4 citations62

US5449746ASep 12, 1995

Process for purification of styrenic polymer

IDEMITSU KOSAN CO4 citations61

IDEMITSU PETROCHEMICAL CO

6 patents

US4918159AApr 17, 1990

Styrene-based/polymercaptan polymer and process for production thereof

IDEMITSU PETROCHEMICAL CO29 citations92

US5032650AJul 16, 1991

Process for producing a highly syndiotactic styrene-based polymer

IDEMITSU PETROCHEMICAL CO3 citations62

US6100331AAug 8, 2000

Graft copolymer and styrene-based resin composition

IDEMITSU PETROCHEMICAL CO6 citations61

US6433083B2Aug 13, 2002

Aromatic vinyl resin material and molded products thereof

IDEMITSU PETROCHEMICAL CO0 citations51

US6376614B1Apr 23, 2002

Ethylene copolymer and aromatic vinyl graft copolymer and method for producing the same

IDEMITSU PETROCHEMICAL CO1 citations51

US6207753B1Mar 27, 2001

Aromatic vinyl resin material and molded products thereof

IDEMITSU PETROCHEMICAL CO1 citations51