Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838655 | Projector using guest-host liquid crystal cells for improved color purity | Katuyuki Hunahata, Yoshiharu Nagae, Masahiro Takasaka, Yuji Mori, Minoru Hoshino +5 more | 1989-06-13 |