Issued Patents 2020
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10852539 | Projection optical system, head-up display device, and vehicle | Koji Hirata, Shigeki Hoshino | 2020-12-01 |
| 10814723 | Projection optical system, and head-up display device | Koji Hirata, Shigeki Hoshino | 2020-10-27 |
| 10788665 | Projection optical system and head-up display device | Kazuomi Kaneko, Shigeki Hoshino | 2020-09-29 |
| 10746904 | Free-form surface lens, method of designing free-form surface lens, free-form surface mirror, method of designing free-form surface mirror, and projection type video display apparatus | Koji Hirata, Yuki Matsumiya, Shuji Kato, Kayono Kimura | 2020-08-18 |
| 10705333 | Projection optical system and head-up display apparatus using the same | Akio MISAWA, Yuki Nagano | 2020-07-07 |
| 10690911 | Projection optical system and head-up display device | Koji Hirata, Kazuomi Kaneko | 2020-06-23 |
| 10678017 | Projection image display device | Koji Hirata, Shuji Kato, Yuki Matsumiya, Kayono Kimura | 2020-06-09 |
| 10670864 | Information display device | Koji Hirata, Toshinori Sugiyama, Hiroyuki Kajikawa, Kazuomi Kaneko | 2020-06-02 |
| 10606161 | Projection video display apparatus | Koji Hirata, Kazuya Ozawa | 2020-03-31 |
| 10545334 | Flare-cut member, lens device, and optical device | Shuji Kato | 2020-01-28 |