Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D662901 | Light emitting diode | Keisuke Tokuda, Daisuke Kishikawa | 2012-07-03 |
| 7771093 | Light emitting device | Daisuke Kishikawa, Keisuke Tokuda | 2010-08-10 |
| D612817 | Light emitting diode | Keisuke Tokuda, Daisuke Kishikawa | 2010-03-30 |
| D569353 | Light emitting diode | Keisuke Tokuda, Daisuke Kishikawa | 2008-05-20 |