Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8842985 | Optical data transmission device, optical communication device, and automatic conveyance device | Yoji Maejima | 2014-09-23 |
| 8335430 | Optical data transmission apparatus | Yoji Maejima | 2012-12-18 |
| 7630062 | Distance measuring apparatus | Toshihiro Mori | 2009-12-08 |
| 4591667 | Dome speaker with cut-out portions in the voice coil bobbin | Toshiji Kato, Tatsuya Omori | 1986-05-27 |