Hiroshi YAMAKAWA

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Construction method for reinforcing a column and reinforcing struct...
- Patent number 10,612,253
- Issue date Apr 7, 2020
- Sanyohome Co., Ltd.
- Hiroshi Yamakawa
- E04 - BUILDING
Information Patent Grant
Reinforcing structure for concrete column
- Patent number 9,353,536
- Issue date May 31, 2016
- Sanyohome Co., Ltd.
- Hiroshi Yamakawa
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
CONSTRUCTION METHOD FOR REINFORCING A COLUMN AND REINFORCING STRUCT...
- Publication number 20180142482
- Publication date May 24, 2018
- Sanyohome Co., Ltd.
- Hiroshi YAMAKAWA
- E04 - BUILDING
Information Patent Application
REINFORCING STRUCTURE FOR CONCRETE COLUMN
- Publication number 20150345159
- Publication date Dec 3, 2015
- Sanyohome Co., Ltd.
- Hiroshi YAMAKAWA
- E04 - BUILDING