Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11279876 | Phosphor and light-emitting device using same | Hiroaki TOYOSHIMA, Taiyo YAMAURA, Masato Akabane, Naoto Hirosaki | 2022-03-22 |
| 11034623 | Thermal conductive member and heat dissipation structure including the same | Saori INOUE, Toshitaka Yamagata, Yoshitaka MINAKATA, Ryuji Koga | 2021-06-15 |
| 10093854 | Phosphor and light emitting device | Hiroaki TOYOSHIMA | 2018-10-09 |
| 9624428 | Phosphor, production method for the same, and light-emitting device | Naoto Hirosaki, Shintaro Watanabe | 2017-04-18 |
| 9550939 | Red emitting nitride fluorescent material and white light emitting device using the same | — | 2017-01-24 |
| 9512979 | Phosphor, production method for the same, and light-emitting device | Naoto Hirosaki, Shintaro Watanabe | 2016-12-06 |
| 9512358 | Phosphor, production method for the same, and light-emitting device | Naoto Hirosaki, Shintaro Watanabe | 2016-12-06 |
| 9399731 | Phosphor, method for producing the same, and luminescent device using the same | Go TAKEDA, Naoto Hirosaki | 2016-07-26 |
| 8894884 | Red emitting nitride fluorescent material and white light emitting device using the same | — | 2014-11-25 |
| 8852454 | Red emitting nitride fluorescent material and white light emitting device using the same | — | 2014-10-07 |
| 7524476 | Vacuum ultraviolet excited green phosphor material and light-emitting device using the same | Hisashi Yoshida | 2009-04-28 |
| 7375459 | Vacuum ultraviolet excited green phosphor material and light-emitting device using the same | Hisashi Yoshida | 2008-05-20 |
| 7282850 | Vacuum ultraviolet-excited ultraviolet phosphor and light-emitting device that uses this phosphor | Hisashi Yoshida | 2007-10-16 |
| 7176500 | Red fluorescent material, white light emitting diode using red fluorescent material, and lighting system using white light emitting diode | Hisashi Yoshida | 2007-02-13 |