Takamasa Yoshikawa

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Suita-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection display device
- Patent number 7,118,227
- Issue date Oct 10, 2006
- Matsushita Electric Industrial Co., Ltd.
- Shinya Sannohe
- G02 - OPTICS
Information Patent Grant
Projection-type display apparatus
- Patent number 7,033,030
- Issue date Apr 25, 2006
- Matsushita Electric Industrial Co., Ltd.
- Shinya Sannohe
- G02 - OPTICS
Information Patent Grant
Light source device, adjusting device therefore and production meth...
- Patent number 6,776,510
- Issue date Aug 17, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yuusaku Shimaoka
- F21 - LIGHTING
Information Patent Grant
Imaging apparatus
- Patent number 6,488,378
- Issue date Dec 3, 2002
- Matsushita Electric Industrial Co., Ltd.
- Toshiaki Tabuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTION DISPLAY APPARATUS
- Publication number 20230418142
- Publication date Dec 28, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Takamasa YOSHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Projection-type display apparatus
- Publication number 20050237496
- Publication date Oct 27, 2005
- Matsushita Electric Industrial Co., Ltd.
- Shinya Sannohe
- G02 - OPTICS
Information Patent Application
Projection display device
- Publication number 20050073659
- Publication date Apr 7, 2005
- Shinya Sannohe
- G02 - OPTICS