Yoshihiko Koyama

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Saku-city, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin film magnetic head integrated structure
- Patent number 7,874,063
- Issue date Jan 25, 2011
- TDK Corporation
- Naoto Matono
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetic head using a multi-stage ion mi...
- Patent number 7,503,107
- Issue date Mar 17, 2009
- TDK Corporation
- Yoshihiko Koyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Thin film magnetic head integrated structure, method of manufacturi...
- Publication number 20070044297
- Publication date Mar 1, 2007
- TDK Corporation
- Naoto Matono
- G11 - INFORMATION STORAGE
Information Patent Application
Method for manufacturing a magnetic head using a multi-stage ion mi...
- Publication number 20060098339
- Publication date May 11, 2006
- TDK Corporation
- Yoshihiko Koyama
- G11 - INFORMATION STORAGE