Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309186 | Eye refractive power measuring apparatus having opacity discriminant function of crystalline lens | — | 1994-05-03 |
| 5294237 | Process for producing flakes of glass | Takashi Yamagishi, Koji Yokoi, Kazuhiro Doushita | 1994-03-15 |
| 5280707 | Apparatus for detecting deterioration of catalyst | Akihiro Nakashima | 1994-01-25 |