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Inventor

OONISHI KAZUSHIGE

JP11 patents
⚠️ This page may combine multiple inventors who share the name “OONISHI KAZUSHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

6 patents
US6038416AMar 14, 2000

Developing apparatus and image forming apparatus having the same

HITACHI LTD16 citations83
US6321058B1Nov 20, 2001

Developing device with toner storing and recovery chambers

HITACHI LTD10 citations73
US6144829ANov 7, 2000

Developing device and electrophotographic device

HITACHI LTD11 citations73
US5797075AAug 18, 1998

Image forming apparatus having improved toner carrier arrangement

HITACHI LTD10 citations73
US6701115B2Mar 2, 2004

Color electrographic apparatus with developing device having separated toner supply and recovery chambers

HITACHI LTD2 citations62
US6516171B2Feb 4, 2003

Color electrographic apparatus with developing device having separated toner supply and recovery chambers

HITACHI LTD3 citations62

RICOH KK

2 patents
US7676184B2Mar 9, 2010

Developing apparatus

RICOH KK8 citations83
US7831182B2Nov 9, 2010

Developing device, image forming apparatus, and development error detecting method

RICOH KK7 citations72

RICOH CO LTD

2 patents
US7945195B2May 17, 2011

Developing device having developer regulating member, and image forming apparatus using developing device

RICOH CO LTD2 citations61
US7835652B2Nov 16, 2010

Image developing method, image developing device, and image forming device

RICOH CO LTD3 citations61

RICOH PRINTING SYS LTD

1 patent
US6928257B2Aug 9, 2005

Image forming and recording apparatus with three pressure members

RICOH PRINTING SYS LTD16 citations82