Korenori Tamura

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass wave guide element and method of manufacturing the same
- Patent number 6,093,334
- Issue date Jul 25, 2000
- Hitachi Cable, Ltd.
- Ryoji Suzuki
- G02 - OPTICS
Information Patent Grant
Glass wave guide element and method of manufacturing the same
- Patent number 6,031,957
- Issue date Feb 29, 2000
- Hitachi Cable Ltd.
- Ryoji Suzuki
- G02 - OPTICS
Information Patent Grant
Waveguide type grating device
- Patent number 5,995,691
- Issue date Nov 30, 1999
- Hitachi Cable, Ltd.
- Hideaki Arai
- G02 - OPTICS