Akihiko Aoyagi

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Fujisawa-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crash stop shock ring for the protection of disk drive motor bearings
- Patent number 5,894,378
- Issue date Apr 13, 1999
- International Business Machines Corporation
- Akihiko Aoyagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Crash stop shock ring for the protection of disk drive motor bearings
- Patent number 5,550,688
- Issue date Aug 27, 1996
- International Business Machines Corporation
- Akihiko Aoyagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...