YI

Yoshihiro Ikefuji

Rohm Co.: 6 patents #5 of 151Top 4%
Overall (2004): #4,498 of 270,089Top 2%
6
Patents 2004

Issued Patents 2004

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6802008 IC card and IC chip module Hiroharu Okada 2004-10-05
6747546 Data communication transponder and communications system employing it Junichi Hikita, Haruo Taguchi 2004-06-08
6742117 IC card and method of using IC card Junichi Hikita, Toyokazu Komuro 2004-05-25
6724296 Communications system having an authentication function Junichi Hikita, Haruo Taguchi 2004-04-20
6679424 Non contact type IC card Junichi Hikita, Shigemi Chimura, Haruo Taguchi 2004-01-20
6680773 Liquid crystal display device and method of making semiconductor chips for liquid crystal display device Takayuki Nakashima, Hiroo Mochida, Hideki Hayashi 2004-01-20