Inventor

HIROTA NARITOSHI

JP6 patents

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

MITSUI CHEMICALS INC

5 patents

US7488789B2Feb 10, 2009

Propylene copolymer, polypropylene composition, and uses thereof, transition metal compounds and catalyst for olefin polymerization

MITSUI CHEMICALS INC45 citations95

US7678934B2Mar 16, 2010

Propylene copolymer, polypropylene composition and uses thereof, transition metal compound and olefin polymerization catalyst

MITSUI CHEMICALS INC11 citations91

US7803888B2Sep 28, 2010

Olefin-based polymers and uses thereof

MITSUI CHEMICALS INC11 citations82

US7879960B2Feb 1, 2011

Process for producing propylene polymer

MITSUI CHEMICALS INC5 citations61

US7834204B2Nov 16, 2010

Fluorene derivative, transition metal compound, catalyst for olefin polymerization, and process for producing olefin polymer

MITSUI CHEMICALS INC1 citations51

TOHI YASUSHI

1 patent

US9382356B2Jul 5, 2016

Catalyst for olefin polymerization, method for producing olefin polymer, method for producing propylene-based copolymer, propylene polymer, propylene-based polymer composition, and use of those

TOHI YASUSHI5 citations67