Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492065 | Hologram color filter, production method of the same hologram color filter and space light modulating apparatus using the same hologram color filter | Shigeo Shimizu, Hirofumi Imaoka | 2002-12-10 |
| 6398365 | Image projection display apparatus | Ryusaku Takahashi, Tsutou Asakura, Fujiko Koyama | 2002-06-04 |