Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806990 | Optical device and method for producing optical device | Masatoshi Ishii, Shigeru Konishi, Toru Shirasaki | 2004-10-19 |
| 6798580 | Projection type image display apparatus | Tetsu Ohishi, Satoshi Ouchi, Taro Imahase, Tomohiro Miyoshi | 2004-09-28 |