Kunihisa Yamaguchi

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Medium processing method, copying apparatus, and data filing apparatus
- Patent number 7,840,092
- Issue date Nov 23, 2010
- Ricoh Company, Ltd.
- Yasuhiro Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Camera
- Patent number 6,577,819
- Issue date Jun 10, 2003
- Ricoh Company, Ltd.
- Kunihisa Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lens interlock mechanism and lens interlock method, camera and port...
- Patent number 6,546,200
- Issue date Apr 8, 2003
- Ricoh Company, Ltd.
- Kunihisa Yamaguchi
- G02 - OPTICS
Information Patent Grant
Apparatus for driving varifocal lens
- Patent number 5,146,254
- Issue date Sep 8, 1992
- Ricoh Company, Ltd.
- Ikuya Tsurukawa
- G02 - OPTICS
Information Patent Grant
Drive device for a varifocal lens system
- Patent number 4,950,061
- Issue date Aug 21, 1990
- Ricoh Company, Ltd.
- Ikuya Tsurukawa
- G02 - OPTICS
Information Patent Grant
Varifocal camera
- Patent number 4,847,648
- Issue date Jul 11, 1989
- Ricoh Company, Ltd.
- Kunihisa Yamaguchi
- G02 - OPTICS
Information Patent Grant
Finder switching apparatus for camera
- Patent number 4,831,399
- Issue date May 16, 1989
- Ricoh Company, Ltd.
- Ikuya Tsurukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-focus camera
- Patent number 4,791,441
- Issue date Dec 13, 1988
- Ricoh Company, Ltd.
- Kohichi Nishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Medium processing method, copying apparatus, and data filing apparatus
- Publication number 20070091373
- Publication date Apr 26, 2007
- Yasuhiro Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Camera
- Publication number 20020094200
- Publication date Jul 18, 2002
- Kunihisa Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lens interlock mechanism and lens interlock method, camera and port...
- Publication number 20020003955
- Publication date Jan 10, 2002
- RICOH COMPANY, LIMITED
- Kunihisa Yamaguchi
- G02 - OPTICS

Kunihisa Yamaguchi

Person

Patents Grantslast 30 patents

Medium processing method, copying apparatus, and data filing apparatus

Camera

Lens interlock mechanism and lens interlock method, camera and port...

Apparatus for driving varifocal lens

Drive device for a varifocal lens system

Varifocal camera

Finder switching apparatus for camera

Multi-focus camera

Patents Applicationslast 30 patents

Medium processing method, copying apparatus, and data filing apparatus

Camera

Lens interlock mechanism and lens interlock method, camera and port...