Katsuji Ishikawa

Person

Higashiosaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic flash unit and manufacturing method thereof
- Patent number 8,339,051
- Issue date Dec 25, 2012
- Panasonic Corporation
- Hirohiko Ina
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic flash unit and manufacturing method thereof
- Patent number 7,652,434
- Issue date Jan 26, 2010
- Panasonic Photo & Lighting Co., Ltd.
- Hirohiko Ina
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drive device for lens barrel and diaphragm shutter
- Patent number 4,702,583
- Issue date Oct 27, 1987
- West Electric Co., Ltd.
- Tsunemi Yoshino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drive apparatus of lens and exposure mechanism by motor
- Patent number 4,695,144
- Issue date Sep 22, 1987
- West Electric Company, Ltd.
- Tsunemi Yoshino
- G02 - OPTICS
Information Patent Grant
Automatic film winding system
- Patent number 4,632,530
- Issue date Dec 30, 1986
- West Electric Co., Ltd.
- Hiroshi Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for automatic focusing in video camera
- Patent number 4,531,157
- Issue date Jul 23, 1985
- West Electric Co., Ltd.
- Katsuji Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic focusing apparatus using ultrasonic wave
- Patent number 4,487,494
- Issue date Dec 11, 1984
- West Electric Co., Ltd.
- Katsuji Ishikawa
- G02 - OPTICS
Information Patent Grant
Video and sound recording device with automatic focusing system
- Patent number 4,472,742
- Issue date Sep 18, 1984
- West Electric Co., Ltd.
- Wataru Hasegawa
- G02 - OPTICS
Information Patent Grant
Apparatus and method for transmitting ultrasonic wave
- Patent number 4,467,362
- Issue date Aug 21, 1984
- West Electric Company, Ltd.
- Wataru Hasegawa
- G01 - MEASURING TESTING
Information Patent Grant
Electronic flash with automatic duration control
- Patent number 4,224,555
- Issue date Sep 23, 1980
- West Electric Co., Ltd.
- Katsuji Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electronic flash unit and manufacturing method thereof
- Publication number 20070170869
- Publication date Jul 26, 2007
- PANASONIC PHOTO & LIGHTING CO., LTD.
- Hirohiko Ina
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Strobe apparatus and its manufacturing method
- Publication number 20050007030
- Publication date Jan 13, 2005
- Hirohiko Ina
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Katsuji Ishikawa

Person

Patents Grantslast 30 patents

Electronic flash unit and manufacturing method thereof

Electronic flash unit and manufacturing method thereof

Drive device for lens barrel and diaphragm shutter

Drive apparatus of lens and exposure mechanism by motor

Automatic film winding system

Method and apparatus for automatic focusing in video camera

Automatic focusing apparatus using ultrasonic wave

Video and sound recording device with automatic focusing system

Apparatus and method for transmitting ultrasonic wave

Electronic flash with automatic duration control

Patents Applicationslast 30 patents

Electronic flash unit and manufacturing method thereof

Strobe apparatus and its manufacturing method