Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604031 | Train detection system and a train detection method | Atsushi Kawabata, Korefumi Tashiro, Michio Fujiwara, Shinya Tanifuji | 2003-08-05 |
| 6516205 | Portable terminal with bus manager switching function | — | 2003-02-04 |