Katsumi Kawamura

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotary actuator and bearing support therefor
- Patent number 4,984,115
- Issue date Jan 8, 1991
- Hitachi, Ltd.
- Tsuyoshi Takahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotary actuator and fabrication process therefor
- Patent number 4,892,423
- Issue date Jan 9, 1990
- Hitachi, Ltd.
- Tsuyoshi Takahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wind breaking assembly for a magnetic head
- Patent number 4,879,618
- Issue date Nov 7, 1989
- Hitachi, Ltd.
- Muneo Iida
- G11 - INFORMATION STORAGE
Information Patent Grant
Actuator for memory storage device
- Patent number 4,812,934
- Issue date Mar 14, 1989
- Hitachi, Ltd.
- Masami Suzuki
- G11 - INFORMATION STORAGE