Tadayoshi Yamada

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection lens unit
- Patent number 5,652,680
- Issue date Jul 29, 1997
- Matsushita Electric Industrial Co., Ltd.
- Takashi Kashihara
- G02 - OPTICS
Information Patent Grant
Rear projection type television receiver
- Patent number 5,580,145
- Issue date Dec 3, 1996
- Matsushita Electric Industrial Co., Ltd.
- Tadayoshi Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection type televison screen mounting structure including an el...
- Patent number 5,548,350
- Issue date Aug 20, 1996
- Matsushita Electric Industrial Co., Ltd.
- Tadayoshi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Screen unit for rear projection picture display system, method for...
- Patent number 5,400,178
- Issue date Mar 21, 1995
- Matsushita Electric Industrial Co., Ltd.
- Tadayoshi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY