P

Inventor

KOTERA NORIO

JP7 patents
⚠️ This page may combine multiple inventors who share the name “KOTERA NORIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO CHEMICAL CO

5 patents
US4111979ASep 5, 1978

Process for producing 8-amino-1-naphthol-3,6-disulfonic acid

SUMITOMO CHEMICAL CO10 citations70
US4612394ASep 16, 1986

Process for producing aminophenyl-β-hydroxyethylsulfone

SUMITOMO CHEMICAL CO11 citations69
US4323431AApr 6, 1982

Purification of compounds having high melting point

SUMITOMO CHEMICAL CO8 citations69
US3952037AApr 20, 1976

Aluminum catalysts

SUMITOMO CHEMICAL CO6 citations61
US4695407ASep 22, 1987

Method for purifying 1-aminoanthraquinone

SUMITOMO CHEMICAL CO1 citations48

KOYAMA TOSHIMI

1 patent
US10133888B2Nov 20, 2018

Data reader and positioning system

KOYAMA TOSHIMI3 citations72

KOTERA NORIO

1 patent
US8325639B2Dec 4, 2012

IP telephone system

KOTERA NORIO6 citations67