Kozo Toyama

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method of connecting beams and columns of steel frame construction
- Patent number 4,014,089
- Issue date Mar 29, 1977
- Kajima Corporation
- Kuniaki Sato
- E04 - BUILDING
Information Patent Grant
Fittings for connecting columns and beams of steel frame construction
- Patent number 3,960,458
- Issue date Jun 1, 1976
- Kajima Corporation
- Kuniaki Sato
- E04 - BUILDING
Information Patent Grant
Fittings for connecting columns and beams of steel frame construction
- Patent number 3,938,297
- Issue date Feb 17, 1976
- Kajima Corporation
- Kuniaki Sato
- E04 - BUILDING