Fuyuhiko Matsumoto

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 8,167,410
- Issue date May 1, 2012
- Ricoh Company, Ltd.
- Masanori Horike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organosilicon compound, producing method thereof and toner and dry-...
- Patent number 5,595,852
- Issue date Jan 21, 1997
- Ricoh Company, Ltd.
- Masakatsu Shimoda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystal display cell with electrodes of substantially amorph...
- Patent number 5,105,291
- Issue date Apr 14, 1992
- Ricoh Company, Ltd.
- Fuyuhiko Matsumoto
- G02 - OPTICS
Information Patent Grant
Projection device for irradiating a light to a display device and o...
- Patent number 4,818,074
- Issue date Apr 4, 1989
- Ricoh Company, Ltd.
- Kenya Yokoi
- G02 - OPTICS
Information Patent Grant
Liquid crystal color display device
- Patent number 4,793,691
- Issue date Dec 27, 1988
- Ricoh Company, Ltd.
- Takamichi Enomoto
- G02 - OPTICS
Information Patent Grant
Cleaning device
- Patent number 4,673,284
- Issue date Jun 16, 1987
- Ricoh Company, Ltd.
- Fuyuhiko Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image transfer and sheet separation apparatus for electrophotograph...
- Patent number 4,443,095
- Issue date Apr 17, 1984
- Ricoh Company, Ltd.
- Shuichi Tsushima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying method and apparatus
- Patent number 4,413,899
- Issue date Nov 8, 1983
- Ricoh Company, Ltd.
- Shuichi Karasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Improved developing device for two-color electrophotographic copyin...
- Patent number 4,389,113
- Issue date Jun 21, 1983
- Ricoh Company, Ltd.
- Fuyuhiko Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-color electrostatic copying apparatus
- Patent number 4,351,604
- Issue date Sep 28, 1982
- Ricoh Company, Ltd.
- Shuichi Karasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Variable speed electrostatographic apparatus
- Patent number 4,322,734
- Issue date Mar 30, 1982
- Ricoh Company, Ltd.
- Yutaka Ebi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrophotographic development apparatus
- Patent number 4,308,821
- Issue date Jan 5, 1982
- Ricoh Company, Ltd.
- Fuyuhiko Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner image transfer method and apparatus for electrostatic photogr...
- Patent number 4,268,157
- Issue date May 19, 1981
- Ricoh Company, Ltd.
- Yutaka Ebi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic recording medium with elongated conductive segments
- Patent number 4,183,032
- Issue date Jan 8, 1980
- Ricoh Co., Ltd.
- Tamio Ohbori
- G01 - MEASURING TESTING
Information Patent Grant
Multi-copying method and multi-copying apparatus
- Patent number 4,180,318
- Issue date Dec 25, 1979
- Ricoh Company, Ltd.
- Fuyuhiko Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100061751
- Publication date Mar 11, 2010
- Masanori HORIKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Fuyuhiko Matsumoto

Person

Patents Grantslast 30 patents

Image forming apparatus

Organosilicon compound, producing method thereof and toner and dry-...

Liquid crystal display cell with electrodes of substantially amorph...

Projection device for irradiating a light to a display device and o...

Liquid crystal color display device

Cleaning device

Image transfer and sheet separation apparatus for electrophotograph...

Copying method and apparatus

Improved developing device for two-color electrophotographic copyin...

Multi-color electrostatic copying apparatus

Variable speed electrostatographic apparatus

Electrophotographic development apparatus

Toner image transfer method and apparatus for electrostatic photogr...

Electrostatic recording medium with elongated conductive segments

Multi-copying method and multi-copying apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS