Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401464 | Ceramic composite | SHINNOSUKE AKIYAMA, KEI TOYOTA | 2022-08-02 |
| 11322660 | Phosphor and semiconductor light emitting device using the same | KEI TOYOTA, SHINNOSUKE AKIYAMA, Masato Mori | 2022-05-03 |
| 11274249 | Phosphor and semiconductor light emitting device using the same | KEI TOYOTA, SHINNOSUKE AKIYAMA | 2022-03-15 |
| 10982142 | Red phosphor and light emitting device using the same | SHINNOSUKE AKIYAMA, KEI TOYOTA | 2021-04-20 |