Masataka Hashizume

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Patents Grantslast 30 patents

Information Patent Grant
Disk drive device, actuator lock mechanism, inertia latch mechanism...
- Patent number 7,729,090
- Issue date Jun 1, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Masataka Hashizume
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive clamp for clamping disks to spindle motor with elastic p...
- Patent number 6,961,215
- Issue date Nov 1, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Masataka Hashizume
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Disk drive device and clamp
- Publication number 20030214752
- Publication date Nov 20, 2003
- Hitachi Global Storage Technologies Netherlands B.V.
- Masataka Hashizume
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive device, actuator lock mechanism, inertia latch mechanism...
- Publication number 20030147179
- Publication date Aug 7, 2003
- International Business Machines Corporation
- Masataka Hashizume
- G11 - INFORMATION STORAGE