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Norio Yamazaki
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Iwata, JP
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last 30 patents
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Patent Grant
Compact hydraulic autotensioner with return spring mounted around a...
Patent number
5,632,474
Issue date
May 27, 1997
NTN Corporation
Hisashi Hayakawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Hydraulic autotensioner
Patent number
5,482,262
Issue date
Jan 9, 1996
NTN Corporation
Hisashi Hayakawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...