Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774817 | Reflection multiplier radio wave marker system and traffic system | Satoru Handa | 2004-08-10 |
| 6757087 | Optical display | Yoshinao Taketomi, Toshihiro Kubota, Zenrou Hayashi | 2004-06-29 |
| 6577246 | Electromagnetic wave lane marker, device for detecting electromagnetic wave lane marker, and traffic system | Satoru Handa, Akira Nakatsuka | 2003-06-10 |
| 6518884 | Electric resonance element, detection apparatus and moving vehicle control system | Keiji Yasui, Toshihiro Yoshioka | 2003-02-11 |
| 6407676 | Magnetostrictive resonator, road in which the resonator is buried and method of burying the resonator | Toshihiro Yoshioka, Joji Kamata | 2002-06-18 |
| 6377370 | Optical display apparatus | Yoshinao Taketomi, Toshihiro Kubota, Zenrou Hayashi | 2002-04-23 |
| 6100821 | Apparatus for detecting magnetostrictive resonator and traffic system | Toshihiro Yoshioka | 2000-08-08 |
| 6097312 | Method and apparatus for detecting magnetostrictive resonator and traffic system | Toshihiro Yoshioka, Keiji Yasui | 2000-08-01 |
| 5701011 | apparatus for picking up image by electromagnetic wave ray | Koichi Ohmori, Toshiyoshi Yamamoto, Yuji Matsuda, Takayoshi Yuuzu | 1997-12-23 |