Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7331055 | Information recording and reproducing medium with areas for recording information optically on one side and recording visual information on another side | Hiroyuki Kurashina, Takeshi Takahashi | 2008-02-12 |
| 7215352 | Information recording system and information recording method | Hiroyuki Kurashina, Takeshi Takahashi | 2007-05-08 |
| 4284916 | Rotary signal generator | Hiroshi Yamaura | 1981-08-18 |