Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829526 | Train detection system and a train detection method cross reference to related application | Kenji Oguma, Atsushi Kawabata, Michio Fujiwara, Shinya Tanifuji | 2004-12-07 |