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Studless tire
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Patent number 5,605,588
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Issue date Feb 25, 1997
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Sumitomo Rubber Industries, Ltd.
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Kenji Hatakenaka
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B60 - VEHICLES IN GENERAL
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Studless tire
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Patent number 5,571,351
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Issue date Nov 5, 1996
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Sumitomo Rubber Industries, Ltd.
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Kenji Hatakenaka
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B60 - VEHICLES IN GENERAL
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Automobile tire
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Patent number D335644
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Issue date May 18, 1993
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Sumitomo Rubber Industries, Ltd.
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Akihiro Miyoshi
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D12 - Transportation
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Automobile tire
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Patent number D335645
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Issue date May 18, 1993
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Sumitomo Rubber Industries, Ltd.
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Akihiro Miyoshi
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D12 - Transportation