Inventor

IIDAKA YOSHIKAZU

JP2 patents

Patents

2 patents

US6611094B2Aug 26, 2003

Double-faced vacuum fluorescent display device and method for driving same

FUTABA DENSHI KOGYO KK2 citations58

US7002288B2Feb 21, 2006

Electron tube and method for producing the same

FUTABA DENSHI KOGYO KK0 citations49