Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020999 | Projection type image display apparatus | Koji Hirata, Masahiko Yatsu | 2011-09-20 |
| 8002417 | Projection-type image display apparatus | Koji Hirata, Masahiko Yatsu | 2011-08-23 |
| 8002418 | Projection type image display apparatus | Koji Hirata, Masahiko Yatsu | 2011-08-23 |
| 7961400 | Projecting optical unit and projecting type image display apparatus therewith | Hiroki Yoshikawa, Tetsu Ohishi, Koji Hirata, Naoyuki Ogura | 2011-06-14 |
| 7914153 | Projection type image display apparatus | Koji Hirata, Masahiko Yatsu | 2011-03-29 |
| 7901097 | Display apparatus and projection type lighting apparatus therefor | Koji Hirata, Masahiko Yatsu, Hidehiro Ikeda | 2011-03-08 |
| 7896507 | Projection type display apparatus | Koji Hirata, Masahiko Yatsu | 2011-03-01 |