Inventor
TAKAMATSU EIJI
JP2 patents
Patents
2 patentsUS6275809B1Aug 14, 2001
Business processing system employing a notice board business system database and method of processing the same
HITACHI LTD87 citations93
US7076440B2Jul 11, 2006
Business processing system employing a notice board business system database and method of processing the same
HITACHI LTD1 citations48