Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12072069 | Method for using white light source, and white light source | Kumpei Kobayashi, Ryoji Tsuda, Noriaki Yagi, Kiyoshi Inoue, Kyung Hee Ye | 2024-08-27 |
| 12023513 | Light source for myopia prevention article and method of using light source for myopia prevention article | Hidemasa Torii, Toshihide Kurihara, Kazuo Tsubota | 2024-07-02 |
| 11978726 | White light source system | Noriaki Yagi, Kumpei Kobayashi | 2024-05-07 |
| 11721675 | White light source system | Noriaki Yagi, Kumpei Kobayashi | 2023-08-08 |
| 11430771 | White light source system | Noriaki Yagi, Kumpei Kobayashi | 2022-08-30 |
| 11094679 | White light source system | Noriaki Yagi, Kumpei Kobayashi | 2021-08-17 |
| 11084979 | Europium-activated alkaline-earth chloroapatite phosphor and light-emitting device thereof | Naotoshi Matsuda, Tatsunori Itoga, Hirofumi Takemura, Yasuhiro Shirakawa | 2021-08-10 |
| 11007375 | Light source for myopia prevention article and method of using light source for myopia prevention article | Hidemasa Torii, Toshihide Kurihara, Kazuo Tsubota | 2021-05-18 |
| 10674577 | White light source system | Noriaki Yagi, Kumpei Kobayashi | 2020-06-02 |
| 10473274 | White light source system | Ryoji Tsuda, Yasumasa Ooya, Tatsunori Itoga, Yasuhiro Shirakawa, Junji Taniguchi | 2019-11-12 |
| 10420183 | White light source and white light source system | Noriaki Yagi, Kumpei Kobayashi | 2019-09-17 |
| 10378709 | Illumination system for reproducing the color temperature range of solar light for illuminating exhibits | Yasuhiro Shirakawa | 2019-08-13 |
| 10375786 | White light source system | Noriaki Yagi, Kumpei Kobayashi | 2019-08-06 |
| 10368408 | Light emitting device and LED light bulb | Hiroyasu Kondo, Yasuhiro Shirakawa, Ryoji Tsuda, Atsuji Nakagawa, Toshitaka Fujii +1 more | 2019-07-30 |
| 10368409 | Light emitting device and LED light bulb | Hiroyasu Kondo, Yasuhiro Shirakawa, Ryoji Tsuda, Atsuji Nakagawa, Toshitaka Fujii +1 more | 2019-07-30 |
| 10231305 | White light source system | Noriaki Yagi, Kumpei Kobayashi | 2019-03-12 |
| 9605815 | White light source and white light source system including the same | Yasuhiro Shirakawa | 2017-03-28 |
| 9551467 | White light source and white light source system including the same | Yasuhiro Shirakawa | 2017-01-24 |
| 9228718 | LED light bulb | Yasumasa Ooya, Yasuhiro Shirakawa, Katsutoshi Nakagawa | 2016-01-05 |
| 9115855 | White light source | Tatsunori Itoga, Yasumasa Ooya | 2015-08-25 |
| 9112120 | White light source and white light source system including the same | Yasuhiro Shirakawa | 2015-08-18 |
| 9109762 | White light source and white light source system including the same | Yasuhiro Shirakawa | 2015-08-18 |
| 9082939 | White light source and white light source system including the same | Yasuhiro Shirakawa | 2015-07-14 |
| 8955996 | LED light bulb | Yasumasa Ooya, Yasuhiro Shirakawa, Katsutoshi Nakagawa | 2015-02-17 |
| 8884512 | White light emitting lamp and white LED lighting apparatus including the same | Yasuhiro Shirakawa, Hajime Takeuchi | 2014-11-11 |