Ryotaro Takayanagi

Person

Yokosuka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic flashing device
- Patent number 5,752,102
- Issue date May 12, 1998
- Nikon Corporation
- Hideki Matsui
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Wireless light-amplifying strobe system and strobe device usable wi...
- Patent number 5,724,620
- Issue date Mar 3, 1998
- Nikon Corporation
- Nobuyoshi Hagiuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic flash apparatus of a camera
- Patent number 5,640,622
- Issue date Jun 17, 1997
- Nikon Corporation
- Hideki Matsui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Secondary battery discharge adaptor
- Patent number 5,594,314
- Issue date Jan 14, 1997
- Nikon Corporation
- Nobuyoshi Hagiuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic flash apparatus of a camera
- Patent number 5,579,068
- Issue date Nov 26, 1996
- Nikon Corporation
- Hideki Matsui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera capable of photographing with flash
- Patent number 5,483,319
- Issue date Jan 9, 1996
- Nikon Corporation
- Hiroshi Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic flash device
- Patent number 5,266,990
- Issue date Nov 30, 1993
- Nikon Corporation
- Hiroshi Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera and system of camera and electronic flash device
- Patent number 5,239,336
- Issue date Aug 24, 1993
- Nikon Corporation
- Hideki Matsui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure amount indicator
- Patent number 5,218,398
- Issue date Jun 8, 1993
- Nikon Corporation
- Hiroshi Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ryotaro Takayanagi

Person

Patents Grantslast 30 patents

Electronic flashing device

Wireless light-amplifying strobe system and strobe device usable wi...

Electronic flash apparatus of a camera

Secondary battery discharge adaptor

Electronic flash apparatus of a camera

Camera capable of photographing with flash

Electronic flash device

Camera and system of camera and electronic flash device

Exposure amount indicator