Yuzo ISHIKAWA

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Okayama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic powder suitable for low-noise media
- Patent number 8,110,048
- Issue date Feb 7, 2012
- Dowa Electronics Materials Co., Ltd.
- Kenji Masada
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC POWDER SUITABLE FOR LOW-NOISE MEDIA
- Publication number 20110123426
- Publication date May 26, 2011
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Kenji MASADA
- G11 - INFORMATION STORAGE
Information Patent Application
Iron Nitride-Based Magnetic Powder, Process for Producing the Same,...
- Publication number 20090252991
- Publication date Oct 8, 2009
- Yuzo Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Iron system magnetic powder having high coercive force, and magneti...
- Publication number 20070111039
- Publication date May 17, 2007
- Yuzo Ishikawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Magnetic powder suitable for low-noise media
- Publication number 20070042230
- Publication date Feb 22, 2007
- Kenji Masada
- G11 - INFORMATION STORAGE