Inventor

ITO HACHIDAI

JP3 patents

Patents

3 patents

US6678134B2Jan 13, 2004

Digital protective relay system

TOSHIBA KK39 citations89

US6845301B2Jan 18, 2005

System for protecting and controlling substation main circuit components

TOSHIBA KK51 citations88

US4709295ANov 24, 1987

Digital protective relay system

TOSHIBA KK15 citations72