Inventor

KUMANO ISAO

JP3 patents

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

HITACHI LTD

1 patent

US4507374AMar 26, 1985

Electrophotographic recording medium containing τ and η metal-free phthalocyanine

HITACHI LTD13 citations73

TOYO INK MFG CO

1 patent

US4189423AFeb 19, 1980

Process for the preparation of polyolefin moldings

TOYO INK MFG CO7 citations71

TOPPAN PRINTING CO LTD

1 patent

US4592977AJun 3, 1986

Lithographic printing plate

TOPPAN PRINTING CO LTD13 citations69