Takashi Imaoka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for inspecting the elements of piping systems by electromagn...
- Patent number 6,008,658
- Issue date Dec 28, 1999
- Tokyo Gas Co., Ltd.
- Kiichi Suyama
- G01 - MEASURING TESTING
Information Patent Grant
Method for inspecting the elements of piping systems by electromagn...
- Patent number 6,008,657
- Issue date Dec 28, 1999
- Tokyo Gas Co., Ltd.
- Kiichi Suyama
- G01 - MEASURING TESTING
Information Patent Grant
Method for inspecting the elements of piping systems by electromagn...
- Patent number 6,005,396
- Issue date Dec 21, 1999
- Tokyo Gas Co., Ltd.
- Kiichi Suyama
- G01 - MEASURING TESTING
Information Patent Grant
Method for inspecting the elements of piping systems BT electromagn...
- Patent number 5,990,690
- Issue date Nov 23, 1999
- Tokyo Gas Co., Ltd.
- Kiichi Suyama
- G01 - MEASURING TESTING
Information Patent Grant
Method for inspecting the elements of piping systems by electromagn...
- Patent number 5,966,016
- Issue date Oct 12, 1999
- Tokyo Gas Co., Ltd.
- Kiichi Suyama
- G01 - MEASURING TESTING
Information Patent Grant
Method for inspecting the elements of piping systems by electromagn...
- Patent number 5,963,042
- Issue date Oct 5, 1999
- Tokyo Gas Co., Ltd.
- Kiichi Suyama
- G01 - MEASURING TESTING