Masao Nunotani

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bearing structure with improved lubricating seals for supporting sh...
- Patent number 4,948,271
- Issue date Aug 14, 1990
- Koyo Seiko Co., Ltd.
- Masao Nunotani
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bearing with improved lubrication seals
- Patent number 4,919,551
- Issue date Apr 24, 1990
- Koyo Seiko Co., Ltd.
- Masao Nunotani
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...