Yoshihiro Ikeda

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic recording medium and magnetic recording devi...
- Patent number 5,863,631
- Issue date Jan 26, 1999
- International Business Machines Corporation
- Yoshiaki Sonobe
- G11 - INFORMATION STORAGE
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High density recording and playback device
- Patent number 5,646,882
- Issue date Jul 8, 1997
- International Business Machines Corporation
- Osaaki Watanuki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording medium having an underlayer of low melting point...
- Patent number 5,413,835
- Issue date May 9, 1995
- International Business Machines Corporation
- Yoshihiro Ikeda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...