Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992996 | Spectacles-type image display device | Ryohei Sugihara, Seiji Tatsuta, Koichi Takahashi | 2011-08-09 |
| 7996177 | Information display system | Seiji Tatsuta, Ryohei Sugihara | 2011-08-09 |
| 7969515 | Video display apparatus and method | Ryohei Sugihara | 2011-06-28 |