Inventor

TOMIZAWA RYOICHI

2 patents

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

NISSO PETROCHEMICAL IND CO LTD

1 patent

US4115415ASep 19, 1978

Process for the production of alkylene glycol ether ester of organic carboxylic acid

NISSO PETROCHEMICAL IND CO LTD21 citations79

NIPPON SODA CO

1 patent

US4022808AMay 10, 1977

Process for the production of alkylene glycol ether of organic carboxylic acid

NIPPON SODA CO27 citations79