Ryoutarou Chiba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water flow detection device
- Patent number 9,079,053
- Issue date Jul 14, 2015
- Senju Sprinkler Co., Ltd.
- Yukinori Karihara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
WATER FLOW DETECTION DEVICE
- Publication number 20120103637
- Publication date May 3, 2012
- Yukinori Karihara
- A62 - LIFE-SAVING FIRE-FIGHTING