TU

Tomohiro Umezawa

HI Hitachi: 1 patents #1,745 of 4,225Top 45%
Overall (2003): #99,402 of 273,478Top 40%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6604679 Payment management method and system using an IC card Yoshitsugu Morooka, Masatoshi Hino 2003-08-12