Koichi Matsui

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of rendering laid pipeline flexible and pipe joint suited fo...
- Patent number 5,129,681
- Issue date Jul 14, 1992
- Yano Giken Co., Ltd.
- Masatoshi Yano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of rendering laid pipeline flexible and pipe joint suited fo...
- Patent number 5,063,957
- Issue date Nov 12, 1991
- Yano Giken Co., Ltd.
- Masatoshi Yano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...