Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776007 | Method of molding a glass composition into an optical element | Shin-Ichiro Hirota, Kazuaki Hashimoto | 2004-08-17 |
| 6588231 | Method molding a glass composition into an optical element with reduced pull-out | Shin-Ichiro Hirota, Kazuaki Hashimoto | 2003-07-08 |
| 6151915 | Method of producing a glass optical element capable of suppressing occurrence of a damage of a mold and improving a quality of the glass optical element | Shin-Ichiro Hirota, Kazuaki Hashimoto | 2000-11-28 |
| 5919718 | Glass composition moldable into an optical element with reduced pull-out | Shin-Ichiro Hirota, Kazuaki Hashimoto | 1999-07-06 |