Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604031 | Train detection system and a train detection method | Kenji Oguma, Korefumi Tashiro, Michio Fujiwara, Shinya Tanifuji | 2003-08-05 |
| 6598710 | Elevator system with wireless elevator control transmit/receive unit | Nobuhisa Motoyama, Hiromi Inaba, Yoshinori Ohkura, Kenichi Yamashita | 2003-07-29 |