Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044439 | Light-emitting device and manufacturing method of the same | Ryo Sakamoto, Susumu Tsujikawa, Yoshiyuki Kobayashi | 2011-10-25 |
| 7989799 | Surface light emitting element | Ryo Sakamoto | 2011-08-02 |