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Gear and gear drive unit
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Patent number 8,136,420
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Issue date Mar 20, 2012
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NTN CORPORATION
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Masanori Satou
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gear and gear drive unit
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Patent number 8,024,989
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Issue date Sep 27, 2011
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NTN Corporation
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Masanori Satou
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Needle roller bearing
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Patent number 7,896,556
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Issue date Mar 1, 2011
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NTN Corporation
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Yoshiyasu Nakano
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Needle roller bearing
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Patent number 7,896,557
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Issue date Mar 1, 2011
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NTN Corporation
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Yoshiyasu Nakano
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Cam follower with roller
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Patent number 6,598,571
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Issue date Jul 29, 2003
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NTN Corporation
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Kazuyoshi Harimoto
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rocker arm
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Patent number 6,460,498
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Issue date Oct 8, 2002
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NTN Corporation
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Kazuyoshi Harimoto
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES