Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484946 | IC card information display device and IC card for use therewith | Kenji Matsumoto, Shigeyuki Ito, Yutaka Takami, Koichi Yoneta, Tetsuharu Inamitsu +1 more | 2002-11-26 |
| 6479140 | Radio wave absorbing materials, radio wave absorber, and radio wave anechoic chamber and the like made by using the same | Toshinori Takao, Masayoshi Suzue, Kohei Takanishi, Kazuhiko Mori | 2002-11-12 |
| 6425522 | IC card information processing system, and apparatus and cards for the same | Kenji Matsumoto, Shigeyuki Itoh, Yutaka Takami, Koichi Yoneta, Tetsuharu Inamitsu +1 more | 2002-07-30 |
| 6400664 | Optical head including electrical circuit which produces focus error signal and tracking error signal unaffected by variations in intensity distributions of reflected light beams | Takeshi Shimano, Shigeru Nakamura, Kunikazu Ohnishi, Yukio Fukui | 2002-06-04 |
| 6382505 | Electronic purse | Yutaka Takami, Kenji Matsumoto, Shigeyuki Itoh | 2002-05-07 |
| 6367696 | IC card processing device, automatic vending device, and selling method | Tetsuharu Inamitsu, Koichi Yoneta, Shigeyuki Itoh, Yutaka Takami, Kenji Matsumoto | 2002-04-09 |
| 6359870 | Receiving apparatus with intermittent receiving | Yukio Sato | 2002-03-19 |
| 6359699 | IC card processing system and processing method | Koichi Yoneta, Tetsuharu Inamitsu, Shigeyuki Itoh, Yutaka Takami, Kenji Matsumoto | 2002-03-19 |
| 6345263 | Electronic purse application system and method thereof | Kenji Matsumoto, Shigeyuki Itoh, Yutaka Takami, Iwao Aizawa | 2002-02-05 |