SI

Shigeyuki Itoh

HI Hitachi: 3 patents #256 of 3,189Top 9%
HS Hitachi Video And Information Systems: 2 patents #1 of 29Top 4%
Overall (2005): #16,975 of 245,428Top 7%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6976625 Electronic purse Yutaka Takami, Kenji Matsumoto, Masayuki Inoue 2005-12-20
6938165 Program writable IC card and method thereof Masayuki Inoue, Yutaka Takami, Kenji Matsumoto 2005-08-30
6902106 Electronic money transaction system with a radio transmitter and receiver using a portable telephone Yutaka Takami, Kenji Matsumoto 2005-06-07