Issued Patents 2025
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392947 | Optical laminate, light guide element, and image display device | Hiroshi Sato, Katsumi Sasata | 2025-08-19 |
| 12393045 | Optical element and image display apparatus | Fumitake MITOBE, Katsumi Sasata, Hiroshi Sato, Akiko WATANO | 2025-08-19 |
| 12372703 | Optical system | Takashi YONEMOTO, Yohei HAMACHI, Makoto Ishiguro | 2025-07-29 |
| 12360375 | Optical element, light guide element, and image display device | Hiroshi Sato, Ayako MURAMATSU, Daisuke Kashiwagi, Katsumi Sasata | 2025-07-15 |
| 12339622 | Light irradiating device and sensor | Hiroshi Sato, Katsumi Sasata | 2025-06-24 |
| 12306375 | Method of manufacturing optical element | Katsumi Sasata, Akiko WATANO, Hiroshi Sato | 2025-05-20 |
| 12287483 | Optical member and image display apparatus | Hiroshi Sato, Katsumi Sasata | 2025-04-29 |
| 12283788 | Laser oscillation element | Katsumi Sasata, Makoto Shimizu | 2025-04-22 |
| 12282181 | Sensor | Hiroshi Sato, Katsumi Sasata | 2025-04-22 |
| 12271096 | Transmission type liquid crystal diffraction element, optical element, image display unit, head-mounted display, beam steering, and sensor | Hiroshi Sato, Takashi YONEMOTO | 2025-04-08 |
| 12259555 | Image display apparatus including a cholesteric liquid crystal layer having a pitch gradient structure and AR glasses | Hiroshi Sato, Katsumi Sasata | 2025-03-25 |
| 12248179 | Optical coupling system and optical communication device | Makoto KAMO, Megumi SEKIGUCHI, Yujiro YANAI | 2025-03-11 |
| 12242052 | Light deflection device and optical device | Hiroshi Sato | 2025-03-04 |
| 12242072 | Optical element, image display unit, and head-mounted display | Hiroshi Sato | 2025-03-04 |
| 12228645 | Distance-measuring sensor | Takao Taguchi, Hiroshi Sato, Katsumi Sasata, Akiko WATANO | 2025-02-18 |
| 12228731 | Light guide element and image display apparatus | Hiroshi Sato, Katsumi Sasata | 2025-02-18 |
| 12228764 | Optical element and light guide element | Hiroshi Sato, Ayako MURAMATSU, Mayumi NOJIRI, Hideyuki Nishikawa | 2025-02-18 |
| 12222553 | Light guide element, image display device, and sensing apparatus | Hiroshi Sato, Katsumi Sasata | 2025-02-11 |
| 12196993 | Optical element, image display apparatus, head-mounted display, sensing apparatus, and eye tracking apparatus | Hiroshi Sato | 2025-01-14 |
| 12189159 | Optical element, light guide element, and image display element | Hiroshi Sato, Katsumi Sasata, Shigeaki Nimura | 2025-01-07 |