Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441978 | Optical prism for projecting image | Kazuya Yamanaka, Yoshihiro Maeda | 2002-08-27 |
| 6404556 | Optical system | — | 2002-06-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441978 | Optical prism for projecting image | Kazuya Yamanaka, Yoshihiro Maeda | 2002-08-27 |
| 6404556 | Optical system | — | 2002-06-11 |