Takafumi Amino

Follow

Person

Okayama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High-weatherability iron nitride-based magnetic powder and method o...
- Patent number 7,371,458
- Issue date May 13, 2008
- Dowa Electronics Materials Co., Ltd.
- Kenji Masada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Iron nitride magnetic powder and method of producing the powder
- Patent number 7,332,220
- Issue date Feb 19, 2008
- Dowa Mining Co., Ltd.
- Kenji Masada
- G11 - INFORMATION STORAGE
Information Patent Grant
Iron nitride system magnetic powder having good storage stability
- Patent number 7,314,666
- Issue date Jan 1, 2008
- Dowa Mining Co., Ltd.
- Kenji Masada
- G11 - INFORMATION STORAGE
Information Patent Grant
Iron nitride magnetic powder and method of producing the powder
- Patent number 7,241,501
- Issue date Jul 10, 2007
- Dowa Mining Co., Ltd.
- Kenji Masada
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Iron nitride system magnetic powder having good storage stability
- Publication number 20060131537
- Publication date Jun 22, 2006
- Kenji Masada
- G11 - INFORMATION STORAGE
Information Patent Application
Iron nitride magnetic powder and method of producing the powder
- Publication number 20050208320
- Publication date Sep 22, 2005
- Kenji Masada
- G11 - INFORMATION STORAGE
Information Patent Application
Iron nitride magnetic powder and method of producing the powder
- Publication number 20050123754
- Publication date Jun 9, 2005
- Kenji Masada
- G11 - INFORMATION STORAGE