Inventor

KOIZUMI FUMIO

JP3 patents

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

KONISHIROKU PHOTO IND

2 patents

US4693952ASep 15, 1987

Toner for developing electrostatic latent image

KONISHIROKU PHOTO IND18 citations71

US4164476AAug 14, 1979

Developer for latent electrostatic image and process for preparation thereof

KONISHIROKU PHOTO IND8 citations71

NIPPON STEEL CORP

1 patent

US5868817AFeb 9, 1999

Process for producing steel by converter

NIPPON STEEL CORP19 citations78