Issued Patents All Time
Showing 1–25 of 124 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12265225 | Light guide member and display device | Naoki Nakamura, Masahiro Itoh, Susumu Momma, Shigenobu Hirano, Yoshifumi Sudoh +6 more | 2025-04-01 |
| 12181673 | Propagation optical system and virtual image display device | Yoshifumi Sudoh, Naoki Nakamura, Masahiro Itoh, Susumu Momma, Shun OKAZAKI +7 more | 2024-12-31 |
| 11892118 | Display stand and display stand system | — | 2024-02-06 |
| 11779593 | Agent for improving ocular subjective symptoms and method thereof | Chiyo Sakenaga, Keiichiro Arai, Kazutaka Yamamoto | 2023-10-10 |
| 11746947 | Stand and stand system | — | 2023-09-05 |
| 11421815 | Stand, stand system, and rotating unit for display device | — | 2022-08-23 |
| 11185558 | Agent for improving ocular subjective symptoms and method thereof | Chiyo Sakenaga, Keiichiro Arai, Kazutaka Yamamoto | 2021-11-30 |
| 11147831 | Agent for improving ocular subjective symptoms and method thereof | Chiyo Sakenaga, Keiichiro Arai, Kazutaka Yamamoto | 2021-10-19 |
| 10225531 | Image display unit, image projection unit, and image projection apparatus | Yoshito Saito, Akihisa Mikawa | 2019-03-05 |
| 10197894 | Dustproof member for image generation device and image projection apparatus | — | 2019-02-05 |
| 10012893 | Image projection apparatus | Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai | 2018-07-03 |
| 9713282 | Cooling apparatus, image projection apparatus, and electronic device | Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya +1 more | 2017-07-18 |
| 9678416 | Light source device provided with cooler and image projection device including light source device provided with cooler | Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Yasunari Mikutsu +2 more | 2017-06-13 |
| 9671681 | Image projection apparatus | Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai | 2017-06-06 |
| 9645478 | Cooling device, image projection apparatus, and electronic apparatus | Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya +1 more | 2017-05-09 |
| 9625797 | Projection optical device and image projection apparatus | Satoshi Tsuchiya, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Naoyuki Ishikawa +2 more | 2017-04-18 |
| 9618833 | Image projection apparatus | Yukimi NISHI, Naoyuki Ishikawa, Satoshi Tsuchiya, Akihisa Mikawa, Hideo Kanai +3 more | 2017-04-11 |
| 9606426 | Duct cover for an image projection apparatus | Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Yasunari Mikutsu +2 more | 2017-03-28 |
| 9541821 | Light source housing, light source device, and image projection apparatus | Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Yasunari Mikutsu +2 more | 2017-01-10 |
| 9537257 | Image projection apparatus and light source unit | Naoyuki Ishikawa, Tetsuya Fujioka, Hideo Kanai, Akihisa Mikawa, Yasunari Mikutsu +2 more | 2017-01-03 |
| 9525840 | Image projection apparatus and circuit-board retaining structure | Tetsuya Fujioka, Naoyuki Ishikawa, Akihisa Mikawa, Hideo Kanai, Yasunari Mikutsu +1 more | 2016-12-20 |
| 9436070 | Image Projection apparatus | Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya +2 more | 2016-09-06 |
| 9429828 | Image projection apparatus | Tetsuya Fujioka, Yasutada Tsukioka, Naoyuki Ishikawa, Hideo Kanai | 2016-08-30 |
| 9423676 | Lighting unit and image projector | Satoshi Tsuchiya, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Naoyuki Ishikawa +1 more | 2016-08-23 |
| 9423677 | Cooling structure, image projection apparatus, electronic device, and cooling device | Akihisa Mikawa, Tetsuya Fujioka, Hideo Kanai, Yasunari Mikutsu, Satoshi Tsuchiya +1 more | 2016-08-23 |