P

Inventor

IWASA MITSUHIRO

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

MITSUI TOATSU CHEMICALS

3 patents
US4337334AJun 29, 1982

Process for production of phenolic resin from bisphenol-A by-products

MITSUI TOATSU CHEMICALS19 citations78
US4054611AOct 18, 1977

Method for the preparation of p-isopropenyl phenol

MITSUI TOATSU CHEMICALS13 citations65
US3933928AJan 20, 1976

Method for producing 2,6-di-tert.-butyl-4-cumyl phenol

MITSUI TOATSU CHEMICALS2 citations58

BRIDGESTONE CORP

1 patent
US10518492B2Dec 31, 2019

Method for manufacturing rubber crawler

BRIDGESTONE CORP0 citations36