Inventor

KATAYAMA KOUHEI

JP4 patents

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

HITACHI KOKI KK

2 patents

US5579091ANov 26, 1996

Developing unit for electro-photographic apparatus

HITACHI KOKI KK8 citations69

US6377766B1Apr 23, 2002

Electrophotographic apparatus having a printing density controller for dropout and non-dropout color

HITACHI KOKI KK1 citations48

KAO CORP

1 patent

US7235337B2Jun 26, 2007

Toner for electrostatic image development

KAO CORP24 citations91

HIDAKA YASUHIRO

1 patent

US8227160B2Jul 24, 2012

Toner for electrophotography

HIDAKA YASUHIRO0 citations39