P

Inventor

IWAMOTO EIJI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “IWAMOTO EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYO SODA MFG CO LTD

3 patents
US4247696AJan 27, 1981

Process for preparing gamma phase quinacridone

TOYO SODA MFG CO LTD9 citations62
US4223152ASep 16, 1980

Process for purifying crude isoindolinone series pigments

TOYO SODA MFG CO LTD5 citations58
US4132851AJan 2, 1979

Process for producing quinazolone derivatives

TOYO SODA MFG CO LTD1 citations41

NISSIN HIGH VOLTAGE CO LTD

1 patent
US4642467AFeb 10, 1987

Electron beam irradiation apparatus

NISSIN HIGH VOLTAGE CO LTD5 citations58

IDEMITSU KOSAN CO

1 patent
US10953057B2Mar 23, 2021

Functional feed

IDEMITSU KOSAN CO0 citations56

IDEMITSU PETROCHEMICAL CO

1 patent
US6200582B1Mar 13, 2001

Laminate having anti-bacterial and mildewproofing actions

IDEMITSU PETROCHEMICAL CO5 citations55