Takashi Nakakita

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Hadano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Calibration method for protrusion detecting head units and protrusi...
- Patent number 5,557,554
- Issue date Sep 17, 1996
- Hitachi Electronics Engineering Co., Ltd.
- Hiroshi Kawaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Protrusion sensor for sensing protrusion on a disc
- Patent number 5,488,857
- Issue date Feb 6, 1996
- Hitachi Electronic Engineering Co., Ltd.
- Shinji Homma
- G01 - MEASURING TESTING