Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989628 | Plastic lenses and method of producing the same | Mitsunobu Haga, Kohei Shimizu | 1999-11-23 |
| 5985420 | Plastic lenses and method of producing the same | Mitsunobu Haga, Kohei Shimizu | 1999-11-16 |
| 5171585 | Apparatus for molding a formatted substrate for an optical disk | Yoshinobu Yukinaga | 1992-12-15 |
| 5162810 | Parabolic antenna and process for manufacturing the same | Atsutoshi Wakabayashi, Hiroshi Hotta | 1992-11-10 |
| 5106553 | Method for molding a formatted substrate for an optical disk | Yoshinobu Yukinaga | 1992-04-21 |