Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593167 | IC card indicating state of usage and system therefor | Hisanobu Dobashi, Shinji Nishimura | 2003-07-15 |
| 6465880 | IC card indicating state of usage and system therefor | Hisanobu Dobashi, Shinji Nishimura | 2002-10-15 |