Inventor

HIRAHATA WATARU

JP11 patents

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

SUMITOMO CHEMICAL CO

6 patents

US6500909B2Dec 31, 2002

Transition metal compound, catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for producing olefinic polymer

SUMITOMO CHEMICAL CO2 citations61

US6242377B1Jun 5, 2001

Transition metal compound, catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for producing olefinic polymer

SUMITOMO CHEMICAL CO5 citations61

US8044159B2Oct 25, 2011

Homopolymer and copolymer, and production process thereof

SUMITOMO CHEMICAL CO0 citations51

US7005486B2Feb 28, 2006

Catalyst for addition polymerization, and process for producing addition polymer with the same

SUMITOMO CHEMICAL CO0 citations51

US6894130B2May 17, 2005

Catalyst for addition polymerization, and process for producing addition polymer with the same

SUMITOMO CHEMICAL CO0 citations51

US7939460B2May 10, 2011

Process for producing solid catalyst component precursor for olefin polymerization

SUMITOMO CHEMICAL CO0 citations47

HIRAHATA WATARU

1 patent

US8236908B2Aug 7, 2012

Components and catalysts for the polymerization of olefins

HIRAHATA WATARU14 citations77

OKADA MITSUHIRO

1 patent

US8105970B2Jan 31, 2012

Olefin polymerization catalyst component and production process thereof, and production proces of olefin polymerization catalyst and olefin polymer

OKADA MITSUHIRO5 citations61

FUJIWARA YASUKI

1 patent

US8288488B2Oct 16, 2012

Process for producing solid catalyst component for olefin polymerization

FUJIWARA YASUKI2 citations52

OSAKADA KOHTARO

1 patent

US8247510B2Aug 21, 2012

Copolymer and production process thereof

OSAKADA KOHTARO0 citations48

UNIV CORNELL

1 patent

US8710283B2Apr 29, 2014

Isoselective polymerization of epoxides

UNIV CORNELL0 citations40