Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12245445 | White light source including LED and phosphors | Tatsunori Itoga, Ryoji Tsuda, Yoshitaka Funayama | 2025-03-04 |
| 11563155 | White light source including LED and phosphors | Tatsunori Itoga, Ryoji Tsuda, Yoshitaka Funayama | 2023-01-24 |
| 11084979 | Europium-activated alkaline-earth chloroapatite phosphor and light-emitting device thereof | Tatsunori Itoga, Masahiko Yamakawa, Hirofumi Takemura, Yasuhiro Shirakawa | 2021-08-10 |
| 10957826 | White light source including LED and phosphors | Tatsunori Itoga, Ryoji Tsuda, Yoshitaka Funayama | 2021-03-23 |
| 10858583 | Phosphor and method of producing the same | Daichi USUI, Hirofumi Takemura | 2020-12-08 |
| 10020427 | Phosphor, manufacturing method therefor, and light-emitting device using the phosphor | Ryosuke Hiramatsu, Keiko Albessard, Masahiro Kato | 2018-07-10 |
| 9954146 | Phosphor, manufacturing method thereof, and light-emitting device using the phosphor | Ryosuke Hiramatsu, Keiko Albessard, Masahiro Kato | 2018-04-24 |
| 9187693 | Phosphors and method for producing thereof | Yumi Fukuda, Keiko Albessard, Masahiro Kato, Iwao Mitsuishi | 2015-11-17 |
| 9068116 | Luminescent material | Masahiro Kato, Yumi Fukuda | 2015-06-30 |
| 9048399 | Light emitting device | Iwao Mitsuishi | 2015-06-02 |
| 9022591 | Luminescent material | Yumi Fukuda, Masahiro Kato, Keiko Albessard | 2015-05-05 |
| 8987986 | Fluorescent substance, light-emitting device and method for producing fluorescent substance | Yumi Fukuda | 2015-03-24 |
| 8974697 | Luminescent material | Keiko Albessard, Masahiro Kato, Yumi Fukuda, Iwao Mitsuishi, Takahiro Sato +6 more | 2015-03-10 |
| 8937328 | Light emitting device and manufacturing method thereof | Iwao Mitsuishi, Yumi Fukuda, Aoi Okada, Shinya Nunoue, Keiko Albessard +1 more | 2015-01-20 |
| 8926863 | Process for producing fluorescent substance and fluorescent substance produced thereby | Yumi Fukuda, Ryosuke Hiramatsu | 2015-01-06 |
| 8921878 | Light emitting device | Iwao Mitsuishi, Kunio Ishida, Yumi Fukuda, Aoi Okada, Keiko Albessard +2 more | 2014-12-30 |
| 8877095 | Process for production of fluorescent substance | Yumi Fukuda, Masahiro Kato | 2014-11-04 |
| 8858835 | Red light-emitting flourescent substance and light-emitting device employing the same | Aoi Okada, Yumi Fukuda, Iwao Mitsuishi, Shinya Nunoue, Keiko Albessard +1 more | 2014-10-14 |
| 8652359 | Red light-emitting fluorescent substance and light-emitting device employing the same | Aoi Okada, Yumi Fukuda, Iwao Mitsuishi, Shinya Nunoue | 2014-02-18 |
| 8628686 | Process for production of fluorescent substance | Yumi Fukuda, Masahiro Kato | 2014-01-14 |
| 8569943 | Luminescent material | Iwao Mitsuishi, Yumi Fukuda, Keiko Albessard, Aoi Okada, Masahiro Kato +3 more | 2013-10-29 |
| 8558251 | Light emitting device | Iwao Mitsuishi, Yumi Fukuda, Aoi Okada, Ryosuke Hiramatsu, Shinya Nunoue +2 more | 2013-10-15 |
| 8552437 | Fluorescent substance, process for production of fluorescent substance, light-emitting device and light-emitting module | Aoi Okada, Yumi Fukuda, Takahiro Sato, Iwao Mitsuishi, Ryosuke Hiramatsu +1 more | 2013-10-08 |
| 8546824 | Light emitting device | Iwao Mitsuishi, Yumi Fukuda, Aoi Okada, Shinya Nunoue, Keiko Albessard +1 more | 2013-10-01 |
| 8501039 | Fluorescent material and light-emitting device employing the same | Yumi Fukuda, Aoi Okada | 2013-08-06 |