Naohiko Maruno

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Leak testing apparatus and method
- Patent number 9,857,264
- Issue date Jan 2, 2018
- Fukuda Co., Ltd.
- Takaaki Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Electrostatic capacitance type transducer and method for producing...
- Patent number 5,917,264
- Issue date Jun 29, 1999
- Naohiko Maruno
- G01 - MEASURING TESTING
Information Patent Grant
Gas pressure transducer
- Patent number 4,684,842
- Issue date Aug 4, 1987
- Nagano Keiki Seisakusho, Ltd.
- Naohiko Maruno
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Leak Testing Apparatus and Method
- Publication number 20160178472
- Publication date Jun 23, 2016
- FUKUDA CO., LTD.
- Takaaki Watanabe
- G01 - MEASURING TESTING