Hiroaki Hiraguri

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Komagane-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound insulating floor structure
- Patent number 7,520,096
- Issue date Apr 21, 2009
- Taisei Electronic Industries Co., Ltd.
- Hiroaki Hiraguri
- E04 - BUILDING
Information Patent Grant
Method of assembling raised dry-floor
- Patent number 5,501,754
- Issue date Mar 26, 1996
- Taisei Electronic Industries Co., Ltd.
- Hiroaki Hiraguri
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Sound insulating floor structure
- Publication number 20040154240
- Publication date Aug 12, 2004
- Hiroaki Hiraguri
- E04 - BUILDING