Masaki Otsuka

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bearing and manufacturing method of bearing, and magnetic disk devi...
- Patent number 5,856,281
- Issue date Jan 5, 1999
- Hitachi, Ltd.
- Masaki Otsuka
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
HARD DISK DRIVE IDLE SWEEP FOR THERMAL ASPERITY AVOIDANCE
- Publication number 20240428829
- Publication date Dec 26, 2024
- Western Digital Technologies, Inc.
- Shuntaro Takeuchi
- G11 - INFORMATION STORAGE