Fumiaki Tsuchiya

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of constructing information correspondence pipe, constructed...
- Patent number 7,341,403
- Issue date Mar 11, 2008
- Sanki Engineering Co., Ltd.
- Fumiaki Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and structure for laying communication cable in underground...
- Patent number 7,179,019
- Issue date Feb 20, 2007
- Ashimori Industry Co., Ltd.
- Ichiro Seto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Method of constructing information correspondence pipe, constructed...
- Publication number 20040253057
- Publication date Dec 16, 2004
- Fumiaki Tsuchiya
- G02 - OPTICS
Information Patent Application
Method and structure for laying communication cable in underground...
- Publication number 20030021633
- Publication date Jan 30, 2003
- Ichiro Seto
- G02 - OPTICS