Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291241 | Optical device | Hiroyuki Hirano, Nobutaka Minefuji, Minoru Suzuki | 1994-03-01 |
| 5283599 | Apparatus for combining and projecting images | Yasuyuki Tejima, Takashi Iizuka, Nobutaka Minefuji | 1994-02-01 |
| 5278698 | Magnifying projecting lens | Takashi Iizuka, Nobutaka Minefuji, Kazushi Yoshida | 1994-01-11 |