Koji Tada

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Holographic light guide
- Patent number 4,662,711
- Issue date May 5, 1987
- Sumitomo Electric Industries, Ltd.
- Koji Tada
- G02 - OPTICS
Information Patent Grant
Hologram recording material
- Patent number 4,603,096
- Issue date Jul 29, 1986
- Agency of Industrial Science and Technology
- Koji Tada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical voltage and electric field sensor
- Patent number 4,595,876
- Issue date Jun 17, 1986
- Sumitomo Electric Industries, Ltd.
- Yoshiki Kuhara
- G02 - OPTICS
Information Patent Grant
Voltage and electric field measuring device using light
- Patent number 4,465,969
- Issue date Aug 14, 1984
- Sumitomo Electric Industries, Ltd.
- Koji Tada
- G02 - OPTICS