Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7560749 | Light emitting material, light emitting device, and electronic device | Junichiro Sakata, Takahiro Kawakami, Yoshiaki Yamamoto, Kohei Yokoyama | 2009-07-14 |
| 7528418 | Light-emitting device | Shunpei Yamazaki, Junichiro Sakata, Takahiro Kawakami, Yoshiaki Yamamoto, Kohei Yokoyama +1 more | 2009-05-05 |