Kyoyu Corporation

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voice monitoring system using laser beam
- Patent number 6,317,237
- Issue date Nov 13, 2001
- Kyoyu Corporation
- Masashi Nakao
- G01 - MEASURING TESTING
Information Patent Grant
Flashlight with signaling lamp
- Patent number 5,588,739
- Issue date Dec 31, 1996
- Kyoyu Corporation
- Masashi Nakao
- F21 - LIGHTING
Information Patent Grant
Telescopic flashlight
- Patent number D368785
- Issue date Apr 9, 1996
- Kyoyu Corporation
- Masashi Nakao
- D26 - Lighting