Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945651 | Optical unit and projection type projector apparatus using the same | Masahiko Yatsu, Koji Hirata | 2005-09-20 |
| 6905213 | Projection apparatus and projection-type image display apparatus | Koji Hirata, Masahiko Yatsu | 2005-06-14 |
| 6854851 | Projection display | Satoshi Nakayama, Takuya Shiaki, Tsutomu Nakashima, Eiji Yamaguchi, Nobuyuki Kimura | 2005-02-15 |