Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12245445 | White light source including LED and phosphors | Tatsunori Itoga, Ryoji Tsuda, Naotoshi Matsuda | 2025-03-04 |
| 11563155 | White light source including LED and phosphors | Tatsunori Itoga, Ryoji Tsuda, Naotoshi Matsuda | 2023-01-24 |
| 11005010 | Phosphor and method of manufacturing same, and LED lamp | Yumi Kanno, Hirofumi Takemura, Tsutomu Ishii, Yasuhiro Shirakawa | 2021-05-11 |
| 10957826 | White light source including LED and phosphors | Tatsunori Itoga, Ryoji Tsuda, Naotoshi Matsuda | 2021-03-23 |
| 9660149 | Phosphor and LED light emitting device using the same | Tsutomu Ishii, Yumi Ito, Yasumasa Ooya, Ryo Sakai, Katsutoshi Nakagawa +2 more | 2017-05-23 |
| 9231150 | Phosphor for light emitting device and method for manufacturing the same, and light emitting device using the same | Hirofumi Takemura | 2016-01-05 |
| 9169436 | Phosphor and LED light emitting device using the same | Tsutomu Ishii, Yumi Ito, Yasumasa Ooya, Ryo Sakai, Katsutoshi Nakagawa +2 more | 2015-10-27 |
| 8933475 | Light emitting device | Katsutoshi Nakagawa, Yasumasa Ooya, Daichi USUI | 2015-01-13 |
| 8487330 | Phosphor and LED light-emitting device using the same | Tsutomu Ishii, Yumi Ito, Yasumasa Ooya, Ryo Sakai, Katsutoshi Nakagawa +2 more | 2013-07-16 |
| 8377335 | Solid scintillator, radiation detector, and tomograph | Yukihiro Fukuta, Hiroyasu Oota, Tsutomu Ishii | 2013-02-19 |