Hamao Yamashiro

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for lining construction in sewer followed by simu...
- Patent number 7,186,060
- Issue date Mar 6, 2007
- Adachi Construction Industry Co. Ltd.
- Eiki Akimoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for lining an inner face of tubular culverts having arbit...
- Patent number 6,234,226
- Issue date May 22, 2001
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Naoki Kitahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of and an apparatus for lining a pipeline
- Patent number 5,799,701
- Issue date Sep 1, 1998
- Sekisui Kagaku Kogyo Kabushiki Kaisha
- Naoki Kitahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method and device for lining construction in sewer followed by simu...
- Publication number 20040013472
- Publication date Jan 22, 2004
- Eiki Akimoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL