Takatoshi Ooyama

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Highly corrosion-resistant rare-earth-iron magnets
- Patent number 5,154,978
- Issue date Oct 13, 1992
- TDK Corporation
- Masatoshi Nakayama
- H01 - BASIC ELECTRIC ELEMENTS