P

Inventor

KUROYAMA KOICHI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “KUROYAMA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

3 patents
US9785073B2Oct 10, 2017

Toner

TOSHIBA KK2 citations71
US10078284B2Sep 18, 2018

Toner

TOSHIBA KK1 citations50
US10197932B2Feb 5, 2019

Toner

TOSHIBA KK0 citations39

KUROYAMA KOICHI

2 patents
US8260178B2Sep 4, 2012

Toner cartridge and image forming apparatus

KUROYAMA KOICHI5 citations54
US8486599B2Jul 16, 2013

Developer and image forming apparatus

KUROYAMA KOICHI0 citations44

TOSHIBA TEC KK

1 patent
US6895192B2May 17, 2005

Image forming apparatus and developer replenishment control method

TOSHIBA TEC KK5 citations60