by Chizuko Kanao heir

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Takatsuki-shi, Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Synthetic resin corrugated pipe having a concave-convex surface
- Patent number 5,799,703
- Issue date Sep 1, 1998
- Shiro Kanao
- G02 - OPTICS
Information Patent Grant
Resin pipe
- Patent number 5,769,127
- Issue date Jun 23, 1998
- Shiro Kanao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...