Inventor

YOKOZAWA TSUTOMU

JP3 patents

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

SUMITOMO CHEMICAL CO

2 patents

US7999058B2Aug 16, 2011

Method for producing aromatic polymer

SUMITOMO CHEMICAL CO0 citations34

US8349997B2Jan 8, 2013

Method for production of block copolymer

SUMITOMO CHEMICAL CO0 citations31

YOKOZAWA TSUTOMU

1 patent

US9109081B2Aug 18, 2015

Method for producing aromatic polymer

YOKOZAWA TSUTOMU0 citations30