Issued Patents 1989
Showing 1–2 of 2 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, Yasuyuki Kozima +5 more | 1989-06-13 |
| 4830836 | Metal stripping system and an operation process therefor | Kazuhiro Uchino, Toshio Watanabe, Yoshio Nakazato, Akira Yamamoto, Kanji I | 1989-05-16 |