Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392947 | Optical laminate, light guide element, and image display device | Hiroshi Sato, Yukito Saitoh | 2025-08-19 |
| 12393045 | Optical element and image display apparatus | Fumitake MITOBE, Hiroshi Sato, Akiko WATANO, Yukito Saitoh | 2025-08-19 |
| 12360375 | Optical element, light guide element, and image display device | Hiroshi Sato, Yukito Saitoh, Ayako MURAMATSU, Daisuke Kashiwagi | 2025-07-15 |
| 12339622 | Light irradiating device and sensor | Hiroshi Sato, Yukito Saitoh | 2025-06-24 |
| 12306375 | Method of manufacturing optical element | Akiko WATANO, Hiroshi Sato, Yukito Saitoh | 2025-05-20 |
| 12287483 | Optical member and image display apparatus | Hiroshi Sato, Yukito Saitoh | 2025-04-29 |
| 12283788 | Laser oscillation element | Yukito Saitoh, Makoto Shimizu | 2025-04-22 |
| 12282181 | Sensor | Hiroshi Sato, Yukito Saitoh | 2025-04-22 |
| 12259555 | Image display apparatus including a cholesteric liquid crystal layer having a pitch gradient structure and AR glasses | Hiroshi Sato, Yukito Saitoh | 2025-03-25 |
| 12228731 | Light guide element and image display apparatus | Hiroshi Sato, Yukito Saitoh | 2025-02-18 |
| 12228645 | Distance-measuring sensor | Takao Taguchi, Yukito Saitoh, Hiroshi Sato, Akiko WATANO | 2025-02-18 |
| 12222553 | Light guide element, image display device, and sensing apparatus | Hiroshi Sato, Yukito Saitoh | 2025-02-11 |
| 12189159 | Optical element, light guide element, and image display element | Yukito Saitoh, Hiroshi Sato, Shigeaki Nimura | 2025-01-07 |
| 12147045 | Light guide element and image display apparatus | Hiroshi Sato, Yukito Saitoh | 2024-11-19 |
| 12130437 | Image display apparatus and AR glasses | Hiroshi Sato, Yukito Saitoh | 2024-10-29 |
| 12130435 | Light guide element and image display apparatus | Hiroshi Sato, Yukito Saitoh | 2024-10-29 |
| 12124061 | Method of forming photo-alignment film and method of forming liquid crystal layer | Fumitake MITOBE, Yukito Saitoh, Hiroshi Sato, Akiko WATANO | 2024-10-22 |
| 12085746 | Backlight unit and liquid crystal display device | Fumitake MITOBE, Keisuke KODAMA, Yukito Saitoh | 2024-09-10 |
| 12072514 | Optical element and light deflection device | Hiroshi Sato, Yukito Saitoh | 2024-08-27 |
| 12066707 | Optical element and image display apparatus | Fumitake MITOBE, Hiroshi Sato, Yukito Saitoh | 2024-08-20 |
| 12055802 | Optical laminate, light guide element, and AR display device | Hiroshi Sato, Yukito Saitoh | 2024-08-06 |
| 12050335 | Method of manufacturing optical element and optical element | Akiko WATANO, Yukito Saitoh, Hiroshi Sato | 2024-07-30 |
| 12044913 | Optical laminate, light guide element, and AR display device | Yukito Saitoh, Hiroshi Sato | 2024-07-23 |
| 11988880 | Optical coupling system and optical communication device | Yukito Saitoh, Hiroshi Sato | 2024-05-21 |
| 11886071 | Light guide element comprising a diffraction element having a cholesteric liquid crystal layer with a pitch gradient | Fumitake MITOBE, Yukito Saitoh, Akiko WATANO | 2024-01-30 |