Nobukatsu Ike

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for lining the internal surface of a pipe
- Patent number 5,590,689
- Issue date Jan 7, 1997
- Tokyo Gas Co. Ltd.
- Shigeru Toyoda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for repairing interior portions of a pipeline
- Patent number 5,089,297
- Issue date Feb 18, 1992
- Hakko Co., Ltd.
- Motoyuki Koga
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...