Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12032277 | Phosphor wheel, light source device, and projection image display device | Shigekazu Yamagishi, Yoshiki Tanaka | 2024-07-09 |
| 11513336 | Phosphor wheel device, light source device, and projection image display device | Taiki BESSHO, Yasuto SHIROI, Shigekazu Yamagishi, Takashi Ikeda | 2022-11-29 |
| 11442348 | Wavelength conversion element, phosphor wheel, light source device, and projection display apparatus | Takashi Ikeda, Makoto Maeda | 2022-09-13 |
| 11340445 | Phosphor wheel device | — | 2022-05-24 |
| 11092799 | Phosphor wheel apparatus, lighting apparatus, and projection type image display apparatus | Shigekazu Yamagishi | 2021-08-17 |
| 10996457 | Wheel apparatus, light source apparatus, and projection-type image display apparatus | Yoshiki Tanaka | 2021-05-04 |
| 10969671 | Lighting device and projection display apparatus | Shigekazu Yamagishi | 2021-04-06 |
| 10921697 | Wavelength conversion element, phosphor wheel, light source device, and projection display apparatus | Takashi Ikeda, Makoto Maeda | 2021-02-16 |