Shunji Matsuoka

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light modulation device
- Patent number 4,685,763
- Issue date Aug 11, 1987
- Sumitomo Electric Industries, Ltd.
- Kunio Tada
- G02 - OPTICS
Information Patent Grant
Diffraction gratings and optical branching filter elements
- Patent number 4,673,241
- Issue date Jun 16, 1987
- Sumitomo Electric Industries, Ltd.
- Yoshikazu Nishiwaki
- G02 - OPTICS
Information Patent Grant
Method of forming diffraction gratings and optical branching filter...
- Patent number 4,560,249
- Issue date Dec 24, 1985
- Sumitomo Electric Industries, Ltd.
- Yoshikazu Nishiwaki
- G02 - OPTICS
Information Patent Grant
Process for fabricating integrated optics
- Patent number 4,517,280
- Issue date May 14, 1985
- Sumitomo Electric Industries, Ltd.
- Kenji Okamoto
- G02 - OPTICS