Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470244 | Train detection system | Kenji Oguma, Atsushi Kawabata, Korefumi Tashiro, Michio Fujiwara | 2002-10-22 |
| 6374165 | Railway information transmission method and system | Kenji Oguma, Atsushi Kawabata, Korefumi Tashiro, Michio Fujiwara | 2002-04-16 |
| 6335722 | Video or information processing method and processing apparatus, and monitoring method and monitoring apparatus using the same | Masayuki Tani, Kimiya Yamaashi, Koichiro Tanikoshi, Masayasu Futakawa, Atsuhiko Nishikawa +1 more | 2002-01-01 |