Tetsuo Maeda

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Neyagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data conversion apparatus and method in copyright protecting system
- Patent number 7,315,829
- Issue date Jan 1, 2008
- Matsushita Electric Industrial Co., Ltd.
- Kenji Tagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical-disk playback apparatus, method of optical-disk playback an...
- Patent number 5,250,787
- Issue date Oct 5, 1993
- Matsushita Electric Industrial Co., Ltd.
- Kouji Arii
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for controlling linear tracking arm in record player
- Patent number 4,512,010
- Issue date Apr 16, 1985
- Matsushita Electric Industrial Co., Ltd.
- Jiro Yamada
- G11 - INFORMATION STORAGE