Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7432521 | Logical operation element field emission emitter and logical operation circuit | Natsuo Tatsumi, Yoshiki Nishibayashi, Takahiro Imai | 2008-10-07 |
| 7039284 | Optical waveguide incorporating submedia | — | 2006-05-02 |
| 6459403 | Traffic control system | Michihisa Kyoto, Shunji Otani | 2002-10-01 |
| 4315245 | Optical information reading device | Kenichi Yoshida, Koichi Tsuno, Isao Isshiki | 1982-02-09 |