Takefumi Takahashi

Person

Inagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming device
- Patent number 6,128,463
- Issue date Oct 3, 2000
- Fujitsu Limited
- Yoshiya Matsumoto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Developing device including developer leveling member
- Patent number 6,091,921
- Issue date Jul 18, 2000
- Fujitsu Limited
- Kunihiko Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image-forming apparatus with uniform toner usag...
- Patent number 5,848,343
- Issue date Dec 8, 1998
- Fujitsu Limited
- Takefumi Takahashi
- 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

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20010022906
- Publication date Sep 20, 2001
- HIROYUKI KAWAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takefumi Takahashi

Person

Patents Grantslast 30 patents

Image forming device

Developing device including developer leveling member

Electrophotographic image-forming apparatus with uniform toner usag...

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

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS