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High-torque damper
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Patent number 5,152,189
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Issue date Oct 6, 1992
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Tok Bearing Co., Ltd.
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Osamu Miura
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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One-way damper
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Patent number 5,090,521
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Issue date Feb 25, 1992
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Tok Bearing Co., Ltd.
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Osamu Miura
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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One way clutch
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Patent number 4,660,698
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Issue date Apr 28, 1987
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Tok Bearing Company, Inc.
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Osamu Miura
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...