Inventor

KOYANAGI KATSUMI

JP2 patents

Patents

2 patents

US4855612AAug 8, 1989

Switching current and a relay device employed therein

OMRON TATEISI ELECTRONICS CO34 citations89

US4772809ASep 20, 1988

Switching circuit and a relay device employed to prevent arcing

OMRON TATEISI ELECTRONICS CO45 citations89