Ichiro Koyanagi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bearing unit, and motor and electronic apparatus having bearing unit
- Patent number 8,366,321
- Issue date Feb 5, 2013
- Sony Corporation
- Kenichiro Yazawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bearing unit, motor using the bearing unit, and electronic equipmen...
- Patent number 8,134,263
- Issue date Mar 13, 2012
- Sony Corporation
- Kenichiro Yazawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotary disk storage device
- Patent number 7,468,868
- Issue date Dec 23, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Takao Suzuki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
BEARING UNIT, MOTOR USING THE BEARING UNIT, AND ELECTRONIC EQUIPMEN...
- Publication number 20090072643
- Publication date Mar 19, 2009
- SONY CORPORATION
- Kenichiro Yazawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BEARING UNIT, AND MOTOR AND ELECTRONIC APPARATUS HAVING BEARING UNIT
- Publication number 20090010578
- Publication date Jan 8, 2009
- SONY CORPORATION
- Kenichiro Yazawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Rotary disk storage device
- Publication number 20040240120
- Publication date Dec 2, 2004
- Hitachi Global Storage Technologies Netherlands, B.V.
- Takao Suzuki
- G11 - INFORMATION STORAGE