Toshiki Itoi

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Objective lens driving apparatus for optical disc player
- Patent number RE37084
- Issue date Mar 6, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masashi Ito
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Objective lens driving unit
- Patent number 4,842,392
- Issue date Jun 27, 1989
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking error correction apparatus utilizing phase difference info...
- Patent number 4,785,441
- Issue date Nov 15, 1988
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Tanaka
- G11 - INFORMATION STORAGE