Inventor

AISA JUNZO

JP3 patents

Patents

3 patents

US4810148AMar 7, 1989

Drain bolt

ISHIKAWA TEKKO KK82 citations90

US4959997AOct 2, 1990

Magnetic float for magnetic sensor

ISHIKAWA TEKKO KK21 citations78

US4857188AAug 15, 1989

Iron powder attracting magnet

ISHIKAWA TEKKO KK6 citations57