Takuji Sokawa

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Shiga-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Repairing tube, method for repairing pipe lines therewith and metho...
- Patent number 5,671,778
- Issue date Sep 30, 1997
- Ashimori Kogyo Kabushiki Kaisha
- Hiroyuki Sakuragi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Lining material for pipe lines
- Patent number 4,724,178
- Issue date Feb 9, 1988
- Ashimori Kogyo Kabushiki Kaisha
- Masakatsu Hyodo
- B32 - LAYERED PRODUCTS
Information Patent Grant
Tubular lining material for city water pipe lines
- Patent number 4,686,126
- Issue date Aug 11, 1987
- Ashimori Industry Co., Ltd.
- Masakatsu Hyodo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...