Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10613325 | Head-up display device having optical member inclination angle adjustment, and vehicle | Keiichi Matsuzaki, Michihiro Yamagata | 2020-04-07 |
| 5629919 | Two plate-like beam splitting device | Takao Hayashi, Toru Nakamura, Akira Matsubara | 1997-05-13 |
| 5430699 | Optical reading and writing device | Akira Matsubara, Takao Hayashi, Yutaka Murakami, Toru Nakamura | 1995-07-04 |