Hiroshi Takano

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Hachioji, JA

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Patents Grantslast 30 patents

Information Patent Grant
Irregular ferroelectric element devised for single domain-wall motion
- Patent number 4,088,391
- Issue date May 9, 1978
- Hitachi, Ltd.
- Akio Kumada
- G02 - OPTICS
Information Patent Grant
Irregular ferroelectric element devised for motion of plural domain...
- Patent number 4,046,455
- Issue date Sep 6, 1977
- Hitachi, Ltd.
- Akio Kumada
- G02 - OPTICS
Information Patent Grant
Irregular ferroelectric element for controllable single domain
- Patent number 3,936,146
- Issue date Feb 3, 1976
- Hitachi, Ltd.
- Akio Kumada
- G02 - OPTICS