Inventor

YAHATA TSUYOSHI

JP6 patents

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

CHISSO CORP

3 patents

US6635733B2Oct 21, 2003

Elastomeric polypropylene

CHISSO CORP18 citations82

US6420501B1Jul 16, 2002

Supported metallocene catalyst, process for preparing the same, and process for producing olefin polymers

CHISSO CORP7 citations73

US6337372B1Jan 8, 2002

Propylene/propylene/olefin block copolymer and process for producing the same

CHISSO CORP6 citations62

ASAHI DOW LTD

2 patents

US4158028AJun 12, 1979

Polyphenylene ether-styrene graft copolymer composition and preparation thereof

ASAHI DOW LTD8 citations71

US4132684AJan 2, 1979

Graft copolymer composition of styrene-polyphenylene ether and preparation thereof

ASAHI DOW LTD12 citations71

CHISSO PETROCHEMICAL CORP

1 patent

US7019157B2Mar 28, 2006

Metallocene compounds, production process for olefin polymers using catalysts containing them and olefin polymers produced by the production process

CHISSO PETROCHEMICAL CORP9 citations73