Kietsu Iwabuchi

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Geomagnetic direction sensor
- Patent number 5,982,176
- Issue date Nov 9, 1999
- Sony Corporation
- Yoshihisa Kawamura
- G01 - MEASURING TESTING
Information Patent Grant
Magneto-optical pickup apparatus and magneto-optical recording/repr...
- Patent number 5,287,334
- Issue date Feb 15, 1994
- Sony Corporation
- Kietsu Iwabuchi
- G11 - INFORMATION STORAGE