Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203649 | Wavelength conversion device and illumination device | Yusuke Yokobayashi, Yasuyuki Kawakami, Shunsuke Murai | 2025-01-21 |
| 11933489 | Optical device, and method of fabricating optical device | Yusuke Yokobayashi, Yasuyuki Kawakami, Hideaki Yamamoto, Keijiro Takashima, Ryosuke Kamakura | 2024-03-19 |
| 10907773 | Wavelength conversion device and light source device | Shunsuke Murai, Yusuke Yokobayashi, Yasuyuki Kawakami, Keijiro Takashima, Syousaku Kubo | 2021-02-02 |
| 10514151 | Light-emitting device, illumination device, and vehicle headlamp | Yoshiyuki Takahira, Koji Takahashi, Hiroshi Kijima | 2019-12-24 |
| 10330267 | Light emission body and illumination device | Kazunori Annen, Yoshinobu Kawaguchi, Yoshiyuki Takahira, Koji Takahashi, Tomohiro Sakaue | 2019-06-25 |
| 10320147 | Wavelength conversion member and light emitting device | Yoshiyuki Takahira, Koji Takahashi, Yoshinobu Kawaguchi, Kazunori Annen, Tomohiro Sakaue +1 more | 2019-06-11 |
| 10190733 | Light source device and illumination apparatus | Koji Takahashi, Yoshiyuki Takahira, Tomohiro Sakaue | 2019-01-29 |
| 10066809 | Light emitting device with optical member for exciting fluorescence, illumination device, and vehicle headlamp having the same | Yoshiyuki Takahira, Koji Takahashi, Hiroshi Kijima | 2018-09-04 |
| 10054798 | Light-emitting device | Tomohiro Sakaue, Koji Takahashi, Yoshiyuki Takahira | 2018-08-21 |
| 9863595 | Light-emitting unit with optical plate reflecting excitation light and transmitting fluorescent light, and light-emitting device, illumination device, and vehicle headlight including the unit | Yoshiyuki Takahira, Koji Takahashi, Tomohiro Sakaue, Kensei Toyota | 2018-01-09 |
| 9625121 | Light emitting device, vehicle headlamp, illumination device, and vehicle | Yasuo Fukai, Yoshiyuki Takahira, Koji Takahashi, Yoshitaka Tomomura | 2017-04-18 |
| 9534756 | Light-emitting device, floodlight, and vehicle headlight | Yoshiyuki Takahira, Koji Takahashi, Hiroshi Kijima, Tomohiro Sakaue | 2017-01-03 |
| 9494284 | Light source device and illumination apparatus | Koji Takahashi, Yoshiyuki Takahira, Tomohiro Sakaue | 2016-11-15 |
| 9470895 | Light-emitting device | Tomohiro Sakaue, Koji Takahashi, Yoshiyuki Takahira | 2016-10-18 |
| 9366399 | Light emitting device, illumination device, and vehicle headlamp | Yoshiyuki Takahira, Yasuo Fukai, Koji Takahashi | 2016-06-14 |
| 9328890 | Light projecting device and vehicular headlamp | Yoshiyuki Takahira, Koji Takahashi, Kensei Toyota | 2016-05-03 |
| 9233639 | Light-emitting device and vehicle headlight | Yoshiyuki Takahira, Koji Takahashi, Hiroshi Kijima | 2016-01-12 |
| 9223071 | Light-emitting device, vehicle headlamp and illumination apparatus | Yoshiyuki Takahira, Koji Takahashi, Tomohiro Sakaue, Kensei Toyota | 2015-12-29 |
| 9163791 | Light emitting device | Yoshiyuki Takahira, Koji Takahashi | 2015-10-20 |
| 9108568 | Light-projecting device, and vehicle headlamp including light-projecting device | Yoshiyuki Takahira, Koji Takahashi, Kensei Toyota | 2015-08-18 |
| 9068714 | Light-emitting device and vehicle headlight | Yoshiyuki Takahira, Koji Takahashi, Hiroshi Kijima | 2015-06-30 |
| 8979314 | Light emitting device | Yoshiyuki Takahira, Koji Takahashi | 2015-03-17 |
| 8974089 | Light emitting device, illumination device, and vehicle headlamp | Yoshiyuki Takahira, Yasuo Fukai, Koji Takahashi | 2015-03-10 |
| 8911128 | Light projection unit and light projection device | Koji Takahashi, Yoshiyuki Takahira | 2014-12-16 |
| 8791630 | Light emitting element, light emitting device, vehicular headlamp, illumination device, and method for producing the light emitting element | Yoshiyuki Takahira | 2014-07-29 |