P

Inventor

KOSUGE KATSUHIRO

JP37 patents
⚠️ This page may combine multiple inventors who share the name “KOSUGE KATSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

19 patents
US6141520AOct 31, 2000

Developing device for image forming apparatus and toner container therefor

RICOH KK53 citations96
US5826146AOct 20, 1998

Color image forming device which changes developing bias when switching between developer units

RICOH KK49 citations96
US5768664AJun 16, 1998

Toner container for a rotary developing device

RICOH KK54 citations96
US5765059AJun 9, 1998

Developing device for image forming apparatus and toner container therefor

RICOH KK78 citations96
US5758235AMay 26, 1998

Toner container for a rotary developing device

RICOH KK63 citations96
US5671470ASep 23, 1997

Color image forming device which changes developing bias when switching between developer units

RICOH KK53 citations96
US5956549ASep 21, 1999

Rotary developing device for an image forming apparatus

RICOH KK19 citations93
US5940664AAug 17, 1999

Agitation and charging device for an image forming apparatus

RICOH KK24 citations93
US5850586ADec 15, 1998

Rotary developing device for an image forming apparatus

RICOH KK21 citations93
US5787328AJul 28, 1998

Rotary developing device for an image forming apparatus

RICOH KK33 citations93
US5768662AJun 16, 1998

Toner supply cartridge for rotary developing device

RICOH KK23 citations93
US5761576AJun 2, 1998

Image forming apparatus for supplying power to members of a rotary developing device

RICOH KK26 citations93
US5646721AJul 8, 1997

Image forming apparatus for supplying power to members of a rotary developing device

RICOH KK34 citations93
US5617198AApr 1, 1997

Image forming apparatus having rotary developing device

RICOH KK34 citations93
US5612769AMar 18, 1997

Submodular unit for use in a modular rotary developing apparatus

RICOH KK25 citations93
US5552877ASep 3, 1996

Image forming apparatus with controlled drive for accurately positioning developing sections of a rotary developing device

RICOH KK45 citations93
US5887217AMar 23, 1999

Image forming apparatus that searches for toner cartridges in need of replacement

RICOH KK27 citations92
US5862430AJan 19, 1999

Image forming apparatus with a sensing device that determines the presence or absence of a toner cartridge

RICOH KK25 citations92
US6546228B2Apr 8, 2003

Image forming apparatus conveniently upgradable to a duplex image forming apparatus

RICOH KK21 citations91

TAKAHASHI WATARU

6 patents

SUZUKI NOBUYOSHI

3 patents

YOSHIDA RYUJI

2 patents

SHIBASAKI YUUSUKE

2 patents

MORINAGA TAKUYA

1 patent

MATSUSHITA SHINGO

1 patent

KUNIEDA AKIRA

1 patent

SAITO TAKASHI

1 patent

SAKANO KOKI

1 patent