Inventor
KAMATA TOYOKAZU
JP6 patents
Patents
6 patentsUS4797593AJan 10, 1989
Cathode for electron tube
MITSUBISHI ELECTRIC CORP47 citations91
US4864187ASep 5, 1989
Cathode for electron tube and manufacturing method thereof
MITSUBISHI ELECTRIC CORP11 citations73
US5122707AJun 16, 1992
Cathode in a cathode ray tube
MITSUBISHI ELECTRIC CORP16 citations72
US5118984AJun 2, 1992
Electron tube cathode
MITSUBISHI ELECTRIC CORP18 citations71
US4897574AJan 30, 1990
Hot cathode in wire form
MITSUBISHI ELECTRIC CORP5 citations61
US5015497AMay 14, 1991
Cathode for electron tube and manufacturing method thereof
MITSUBISHI ELECTRIC CORP0 citations51