Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7903695 | Optical fiber laser and exciting method using same | Seiji Kojima, Bing Yao, Kazumasa Ohsono, Akihito Hongo, Akio Sato +5 more | 2011-03-08 |
| 7897987 | Light-emitting device including light-emitting diode and stacked light-emitting phosphor layers | Mitsuhiro Inoue, Kenji Ito, Kazuyohi Tomita, Tetsu Kachi, Takahiro Kozawa +1 more | 2011-03-01 |