Inventor

KONNO KIYOSHI

JP3 patents

Patents

3 patents

US4651172AMar 17, 1987

Information recording medium

HITACHI LTD78 citations95

US4907015AMar 6, 1990

Thermal printing head

HITACHI LTD20 citations81

US4614692ASep 30, 1986

Fuel cell electrode, process for producing the same and fuel cell using the same

HITACHI LTD20 citations81