Hironori Namioka

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
KEY HOLE INSERTION FOR MANHOLE AND MANHOLE COVER LOCKING APPARATUS...
- Patent number 6,435,763
- Issue date Aug 20, 2002
- Haneda Humepipe Co., Ltd.
- Tetsushi Sakane
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Solar battery system
- Patent number 6,346,670
- Issue date Feb 12, 2002
- Haneda Humepipe Co., Ltd.
- Takashi Fujii
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER