TU

Tomohiro Umezawa

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Overall (2002): #98,526 of 266,432Top 40%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6488204 Payment management method and system using an IC card Yoshitsugu Morooka, Masatoshi Hino 2002-12-03