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Yujiro Matsuyama
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Ohtsu, JP
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last 30 patents
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Patent Grant
Bridge of shock-absorbing construction
Patent number
6,249,925
Issue date
Jun 26, 2001
Japan Highway Public Corporation
Hiromu Ishida
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Patent Grant
Impact absorber made of resin
Patent number
6,085,878
Issue date
Jul 11, 2000
Toyo Boseki Kabushiki Kaisha
Yoshio Araki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...