Shigenobu Utaka

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing unit with undirectional clutch mechanism and image forming a...
- Patent number 6,091,925
- Issue date Jul 18, 2000
- Fujitsu Limited
- Katsumi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit having improved toner density control
- Patent number 5,845,184
- Issue date Dec 1, 1998
- Fujitsu Limited
- Akira Nagahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for collecting residual toner from a drum u...
- Patent number 5,778,285
- Issue date Jul 7, 1998
- Fujitsu Limited
- Akira Nagahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for collecting residual toner from a drum u...
- Patent number 5,678,143
- Issue date Oct 14, 1997
- Fujitsu Limited
- Akira Nagahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing apparatus which include...
- Patent number 5,572,298
- Issue date Nov 5, 1996
- Fujitsu Limited
- Akira Nagahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and apparatus with magnetic brush
- Patent number 5,467,176
- Issue date Nov 14, 1995
- Fujitsu Limited
- Tsuneo Watanuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,448,341
- Issue date Sep 5, 1995
- Fujitsu Limited
- Akira Nagahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transferring device controlled for preventing the leading edge of a...
- Patent number 5,200,784
- Issue date Apr 6, 1993
- Fujitsu Limited
- Masatoshi Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Shigenobu Utaka

Person

Patents Grantslast 30 patents

Fixing unit with undirectional clutch mechanism and image forming a...

Developing unit having improved toner density control

Image forming apparatus for collecting residual toner from a drum u...

Image forming apparatus for collecting residual toner from a drum u...

Image forming apparatus having a developing apparatus which include...

Image forming method and apparatus with magnetic brush

Image forming apparatus

Transferring device controlled for preventing the leading edge of a...