Akio Niwa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Video signal conversion device and video signal conversion method
- Patent number 6,876,395
- Issue date Apr 5, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yasuaki Muto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Plasma display panel and method of controlling brightness of the same
- Patent number 6,034,656
- Issue date Mar 7, 2000
- Matsushita Electric Industrial Co., Ltd.
- Kumetsugu Yamamoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS