Tadao Koike

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of controlling toner density detection
- Patent number 5,570,165
- Issue date Oct 29, 1996
- Ricoh Company, Ltd.
- Tadao Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device with a function of selecting recording paper
- Patent number 5,446,524
- Issue date Aug 29, 1995
- Ricoh Company, Ltd.
- Tadao Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having system for reducing noise
- Patent number 5,289,147
- Issue date Feb 22, 1994
- Ricoh Company, Ltd.
- Tadao Koike
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Image forming apparatus which reduces noise generated therefrom
- Patent number 5,245,385
- Issue date Sep 14, 1993
- Ricoh Company, Ltd.
- Kenji Fukumizu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Paper conveying mechanism in image forming apparatus
- Patent number 5,086,320
- Issue date Feb 4, 1992
- Ricoh Company, Ltd.
- Tadao Koike
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Paper jogging and aligning apparatus with stapling capabilities for...
- Patent number 5,014,091
- Issue date May 7, 1991
- Ricoh Company, Ltd.
- Tadao Koike
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Automatic document feeder provided with three movable claws for dir...
- Patent number 4,979,727
- Issue date Dec 25, 1990
- Ricoh Company, Ltd.
- Tadao Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic document feeder
- Patent number 4,975,749
- Issue date Dec 4, 1990
- Ricoh Company, Ltd.
- Kouichi Tsunoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus operable in a two-side copy mode
- Patent number 4,954,849
- Issue date Sep 4, 1990
- Ricoh Company, Ltd.
- Tadao Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Duplex copying method
- Patent number 4,650,313
- Issue date Mar 17, 1987
- Ricoh Company, Ltd.
- Tadao Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dual-color copier
- Patent number 4,615,607
- Issue date Oct 7, 1986
- Ricoh Company, Ltd.
- Nobuyuki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet feeding cassette for copying apparatus capable of receiving m...
- Patent number 4,285,510
- Issue date Aug 25, 1981
- Ricoh Co. Ltd.
- Tadaaki Kanno
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Cleaning device for photoelectrostatic copying apparatus
- Patent number 4,279,501
- Issue date Jul 21, 1981
- Ricoh Company, Ltd.
- Kenji Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for positioning movable reflector of optical system of elect...
- Patent number 4,232,963
- Issue date Nov 11, 1980
- Ricoh Company, Ltd.
- Tadao Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tadao Koike

Person

Patents Grantslast 30 patents

Method of controlling toner density detection

Image forming device with a function of selecting recording paper

Image forming apparatus having system for reducing noise

Image forming apparatus which reduces noise generated therefrom

Paper conveying mechanism in image forming apparatus

Paper jogging and aligning apparatus with stapling capabilities for...

Automatic document feeder provided with three movable claws for dir...

Automatic document feeder

Copying apparatus operable in a two-side copy mode

Duplex copying method

Dual-color copier

Sheet feeding cassette for copying apparatus capable of receiving m...

Cleaning device for photoelectrostatic copying apparatus

Device for positioning movable reflector of optical system of elect...