Makoto Minakata

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Sendai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wide-band optical modulator
- Patent number 4,866,406
- Issue date Sep 12, 1989
- Sumitomo Special Metal Co., Ltd.
- Makoto Minakata
- G02 - OPTICS
Information Patent Grant
Optical switch
- Patent number 4,746,191
- Issue date May 24, 1988
- Sumitomo Special Metal Co., Ltd.
- Shojiro Kawakami
- G02 - OPTICS