Shigehiro Ohnuma

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Sendai-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin-film magnetic field sensor
- Patent number 6,642,714
- Issue date Nov 4, 2003
- The Research Institute for Electric and Magnetic Materials
- Nobukiyo Kobayashi
- G01 - MEASURING TESTING
Information Patent Grant
Perpendicular magnetic recording medium and production process thereof
- Patent number 4,688,130
- Issue date Aug 18, 1987
- Research Development Corporation of Japan
- Yukio Nakanouchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing fine particles
- Patent number 4,584,078
- Issue date Apr 22, 1986
- Nakanouchi; Yukio
- Yukio Nakanouchi
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Thin-film magnetic field sensor
- Publication number 20030042902
- Publication date Mar 6, 2003
- THE RESEARCH INSTITUTE FOR ELECTRIC AND MAGNETIC MATERIALS
- Nobukiyo Kobayashi
- B82 - NANO-TECHNOLOGY