HOUSING KOUSAN CO., LTD

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TOKYO 160-0023, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyhedral fabricated structure and method of constructing the same
- Patent number 6,708,455
- Issue date Mar 23, 2004
- Housing Kousan Co., Ltd.
- Yoshimi Niiduma
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Dome constructing method
- Patent number 6,701,691
- Issue date Mar 9, 2004
- Housing Kousan Co, Ltd.
- Yoshimi Niiduma
- E04 - BUILDING