Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024791 | Molded bodies of cement type admixed and kneaded material having excellent bending strength and compression strength and a method of manufacturing the same | Hiroki Sonoda, Kikuo Kaga, Tatsuo Nitta, Seihachi Osawa, Kazumi Kato | 2000-02-15 |
| 5590217 | Vehicle activity measuring apparatus | — | 1996-12-31 |
| 5509082 | Vehicle movement measuring apparatus | Yuji Hasegawa | 1996-04-16 |
| 5444442 | Method for predicting traffic space mean speed and traffic flow rate, and method and apparatus for controlling isolated traffic light signaling system through predicted traffic flow rate | Mareo Sadakata, Yoichiro Iwasaki, Yoshiharu Yano | 1995-08-22 |
| 5432547 | Device for monitoring disregard of a traffic signal | — | 1995-07-11 |
| 5353021 | Apparatus for measuring moving state of vehicle in tunnel | — | 1994-10-04 |
| 5301239 | Apparatus for measuring the dynamic state of traffic | Nobuhiro Hamba | 1994-04-05 |