Inventor

TOMITA KENTAROH

JP10 patents

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

ISHIBASHI HITOSHI

2 patents

US8095025B2Jan 10, 2012

Image forming apparatus capable of efficient toner concentration control

ISHIBASHI HITOSHI7 citations83

US8103181B2Jan 24, 2012

Image forming apparatus and method of adjusting charge bias

ISHIBASHI HITOSHI0 citations51

RICOH CO LTD

2 patents

US7962071B2Jun 14, 2011

Developing device and image forming apparatus using same

RICOH CO LTD8 citations83

US7929873B2Apr 19, 2011

Image forming apparatus and image density control method

RICOH CO LTD5 citations61

TOMITA KENTAROH

2 patents

US8175471B2May 8, 2012

Image forming apparatus and image density control method

TOMITA KENTAROH2 citations58

US8743434B2Jun 3, 2014

Image forming apparatus increasing combined-color reproduction accuracy and stabilizing toner disposition amount

TOMITA KENTAROH0 citations35

RICOH KK

1 patent

US7778560B2Aug 17, 2010

Image forming apparatus and method of adjusting charge bias

RICOH KK10 citations84

TERAI JUNICHI

1 patent

US8145101B2Mar 27, 2012

Developing device, image forming apparatus and process cartridge in which a shock is applied intermittently to the discharged developer

TERAI JUNICHI6 citations71

TSUDA KIYONORI

1 patent

US8295737B2Oct 23, 2012

Developing device and image forming apparatus using same

TSUDA KIYONORI2 citations60

SHIRAISHI EMIKO

1 patent

US8265527B2Sep 11, 2012

Developing unit, image forming apparatus incorporating same, and method of controlling amounts of toner

SHIRAISHI EMIKO1 citations50