Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465880 | IC card indicating state of usage and system therefor | Shinji Nishimura, Toshinori Sonehara | 2002-10-15 |
| 6388562 | Contactless IC card communication system and related method | Masahiro Takiguchi, Kiyoshi Takahashi, Tatsuya Hirata, Shigeru Date, Shinji Nishimura +4 more | 2002-05-14 |
| 6352202 | Method and system for controlling contactless IC cards | Masahiro Takiguchi, Kiyoshi Takahashi, Tatsuya Hirata, Shigeru Date, Shinji Nishimura +4 more | 2002-03-05 |