Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8785339 | Optical glass | Xuelu Zou, Yoshio Nojima | 2014-07-22 |
| 8647996 | Optical glass, preform for precision press molding, optical element, methods for manufacturing the same, and image pickup device | — | 2014-02-11 |
| 8575047 | Optical glass, preform for precision press molding, and optical element | Yasuhiro Fujiwara, Shuhei Mikami | 2013-11-05 |
| 8476178 | Optical glass | Xuelu Zou, Yoshio Nojima | 2013-07-02 |
| 8431504 | Optical glass, precision press-molding preform, optical element and their production processes as well as image-sensing device | — | 2013-04-30 |
| 8288299 | Optical glass, preform for precision press molding, and optical element | Yasuhiro Fujiwara, Shuhei Mikami | 2012-10-16 |