Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090388 | Light guide, light source device, display device and information terminal equipped therewith | Masao Imai, Goro Saito, Koji Mimura | 2006-08-15 |
| 6824285 | Light source and liquid crystal display device using this light source | Goroh Saitoh, Koji Mimura, Ken Sumiyoshi | 2004-11-30 |