Yu Okano

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Patents Grantslast 30 patents

Information Patent Grant
Flow control valve
- Patent number 9,664,298
- Issue date May 30, 2017
- Rinnai Corporation
- Yu Okano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Flow Control Valve
- Publication number 20160061343
- Publication date Mar 3, 2016
- Rinnai Corporation
- Yu OKANO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...