Masao Iizuka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Anti-earthquake bearing apparatus
- Patent number 5,353,559
- Issue date Oct 11, 1994
- Bridgestone Corp.
- Nobuo Murota
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Safety monitoring method for use in active seismic response and win...
- Patent number 5,193,323
- Issue date Mar 16, 1993
- Kajima Corporation
- Koji Ishii
- E04 - BUILDING
Information Patent Grant
Safety monitoring device for use in active seismic response and win...
- Patent number 5,046,290
- Issue date Sep 10, 1991
- Kajima Corporation
- Koji Ishit
- E04 - BUILDING
Information Patent Grant
Anti-seismic rubber
- Patent number 4,950,528
- Issue date Aug 21, 1990
- Bridgestone Corporation
- Masao Iizuka
- B32 - LAYERED PRODUCTS