Noriyuki Osada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas dynamic bearing for spindle motor
- Patent number 4,998,033
- Issue date Mar 5, 1991
- Ebara Corporation
- Yasushi Hisabe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotation supporting device of a polygon mirror
- Patent number 4,984,881
- Issue date Jan 15, 1991
- Ebara Corporation
- Noriyuki Osada
- G02 - OPTICS