Inventor

OJIMA MASAYOSHI

JP4 patents

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

NIPPON KAYAKU KK

2 patents

US4453945AJun 12, 1984

Process for dyeing cellulose fibers of its union fibers with reactive triazinyl dye quaternized with nicotinic acid

NIPPON KAYAKU KK28 citations88

US4771132ASep 13, 1988

Cuprophthalocyanine type compounds

NIPPON KAYAKU KK0 citations46

HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD

1 patent

US12566432B2Mar 3, 2026

Abnormality diagnosis system and abnormality diagnosis method

HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations50

HITACHI LTD

1 patent

US11372048B2Jun 28, 2022

Diagnostic device and diagnostic method

HITACHI LTD0 citations43