Inventor

TOYOIZUMI YOSHIHIKO

JP5 patents

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

KONISHIROKU PHOTO IND

2 patents

US5392102AFeb 21, 1995

Developing device having toner cartridge discriminator

KONISHIROKU PHOTO IND32 citations91

US6340036B1Jan 22, 2002

Powdery-particles supplying method and apparatus, and control method for flowing solid-state substances

KONISHIROKU PHOTO IND74 citations89

KONICA MINOLTA BUSINESS TECH

2 patents

US7983592B2Jul 19, 2011

Toner container having a sealed toner cap

KONICA MINOLTA BUSINESS TECH9 citations82

US6999705B2Feb 14, 2006

Powder container, powder contained product, powder container manufacturing method, powder contained product reusing method, toner container and toner contained product

KONICA MINOLTA BUSINESS TECH4 citations62

NAITO KIYOTAKA

1 patent

US8155568B2Apr 10, 2012

Toner container, production method for toner product and toner replenishing method

NAITO KIYOTAKA8 citations77