Wataru Abe

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Hiratsuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metallic sheath for posttensioning method
- Patent number 4,577,443
- Issue date Mar 25, 1986
- Oiles Industry Co., Ltd.
- Toshiyuki Kitta
- E04 - BUILDING
Information Patent Grant
Metallic sheath for a posttensioning method provided with rust proo...
- Patent number 4,557,087
- Issue date Dec 10, 1985
- Japanese National Railways
- Toshiyuki Kitta
- E04 - BUILDING
Information Patent Grant
Method of erecting a bridge girder
- Patent number 4,320,548
- Issue date Mar 23, 1982
- Oiles Co., Ltd.
- Hiroshi Tada
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES