Inventor
NARITA MAKI
JP3 patents
Patents
3 patentsUS5757115AMay 26, 1998
Cathode member and electron tube having the cathode member mounted thereon
NEC CORP15 citations68
US5306189AApr 26, 1994
Cathode impregnated by an electron emissive substance comprising (PBAO.QCAO).NBAA1204, where P>1, Q>0, N>1
NEC CORP9 citations68
US5881355AMar 9, 1999
Fabrication method of cathode member and electronic tube equipped therewith
NEC CORP5 citations57