Hiroshi Yamada

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Camera with the function of changing the transmittance of liquid-cr...
- Patent number 6,167,203
- Issue date Dec 26, 2000
- Olympus Optical Co., Ltd.
- Toshiaki Ishimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera with the function of changing the transmittance of liquid-cr...
- Patent number 6,148,154
- Issue date Nov 14, 2000
- Olympus Optical Co., Ltd.
- Toshiaki Ishimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera with the function of lowering the transmittance of the liqui...
- Patent number 6,078,755
- Issue date Jun 20, 2000
- Olympus Optical Co., Ltd.
- Toshiaki Ishimaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power-saving stroboscopic device
- Patent number 6,064,159
- Issue date May 16, 2000
- Olympus Optical Co., Ltd.
- Hiroshi Yamada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electric flash apparatus using MOS controlled thyristor
- Patent number 5,717,962
- Issue date Feb 10, 1998
- Olympus Optical Co., Ltd.
- Toyoji Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stroboscopic instrument having a gate-controlled-switching element...
- Patent number 5,661,372
- Issue date Aug 26, 1997
- Olympus Optical Co., Ltd.
- Toshiaki Ishimaru
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic flash apparatus using gate controlled switching device d...
- Patent number 5,532,555
- Issue date Jul 2, 1996
- Olympus Optical Co., Ltd.
- Hiroshi Yamada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic flashing device having a specific type of main capacitor...
- Patent number 5,432,410
- Issue date Jul 11, 1995
- Olympus Optical Co., Ltd.
- Hiroshi Yamada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Strobo apparatus
- Patent number 5,386,180
- Issue date Jan 31, 1995
- Olympus Optical Co., Ltd.
- Yukio Nakajima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Hiroshi Yamada

Person

Patents Grantslast 30 patents

Camera with the function of changing the transmittance of liquid-cr...

Camera with the function of changing the transmittance of liquid-cr...

Camera with the function of lowering the transmittance of the liqui...

Power-saving stroboscopic device

Electric flash apparatus using MOS controlled thyristor

Stroboscopic instrument having a gate-controlled-switching element...

Electronic flash apparatus using gate controlled switching device d...

Electronic flashing device having a specific type of main capacitor...

Strobo apparatus