KY

Kazuyuki Yazumi

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,625,379 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6321980 Electronic money storing apparatus and IC card control method Manabu Hayashi, Hitoshi Maekawa 2001-11-27
6109523 Electronic money coffer Hitoshi Maekawa, Manabu Hayashi 2000-08-29
6032858 Electronic money storing apparatus and IC card control method Manabu Hayashi, Hitoshi Maekawa 2000-03-07