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Chain continuously variable transmission
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Patent number 9,739,351
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Issue date Aug 22, 2017
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JTEKT Corporation
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Shinji Yasuhara
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Variable diameter pulley
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Patent number 6,129,643
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Issue date Oct 10, 2000
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Koyo Seiko Co., Ltd.
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Takao Tamagawa
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Variable diameter pulley
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Patent number 6,017,285
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Issue date Jan 25, 2000
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Koyo Seiko Co., Ltd.
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Shinji Yasuhara
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Speed-increasing spindle device
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Patent number 5,700,115
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Issue date Dec 23, 1997
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Koyo Machine Industries Co., Ltd.
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Akira Chikamori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Traction drive tool adapter
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Patent number 5,295,772
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Issue date Mar 22, 1994
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Koyo Seiko Co., Ltd.
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Kouichi Ueda
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Separable rotary tool adapter
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Patent number 5,281,061
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Issue date Jan 25, 1994
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Koyo Seiko Co., Ltd.
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Kouichi Ueda
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Traction drive tool adapter
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Patent number 5,033,921
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Issue date Jul 23, 1991
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Koyo Seiko Co., Ltd.
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Shinji Yasuhara
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR