Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9711685 | Sapphire substrate and method for manufacturing the same and nitride semiconductor light emitting element | Naoya Sako, Takashi Ohara, Yoshiki Inoue, Yuki Shibutani, Yoshihito Kawauchi +1 more | 2017-07-18 |
| 9337390 | Sapphire substrate and method for manufacturing the same and nitride semiconductor light emitting element | Naoya Sako, Takashi Ohara, Yoshiki Inoue, Yuki Shibutani, Yoshihito Kawauchi +1 more | 2016-05-10 |
| 8957433 | Sapphire substrate and method for manufacturing the same and nitride semiconductor light emitting element | Naoya Sako, Takashi Ohara, Yoshiki Inoue, Yuki Shibutani, Yoshihito Kawauchi +1 more | 2015-02-17 |