Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650285 | Glass, glass material for press molding, optical element blank, and optical element | — | 2017-05-16 |
| 9643880 | Optical glass and use thereof | — | 2017-05-09 |
| 9394194 | Optical glass and use thereof | — | 2016-07-19 |
| 9302930 | Optical glass and use thereof | Toshiyuki Nishikawa | 2016-04-05 |
| 9255028 | Optical glass, precision press molding preform, and optical element and method of manufacturing the same | Yasuhiro Fujiwara | 2016-02-09 |
| 8883664 | Optical glass, press-molding glass material, and optical element and method of the same | — | 2014-11-11 |
| 8835337 | Optical glass, press-molding glass material, and optical element and method of manufacturing the same | — | 2014-09-16 |
| 8741795 | Optical glass | Xuelu Zou, Yunoshin Kanayama | 2014-06-03 |
| 8741796 | Optical glass | Xuelu Zou | 2014-06-03 |
| 8728963 | Optical glass | Xuelu Zou | 2014-05-20 |
| 8661853 | Method for producing glass, optical glass, glass material for press molding, optical element and methods for producing same | Yasuhiro Fujiwara | 2014-03-04 |
| 8609560 | Optical glass, preform for precision press molding, optical element, and method for manufacturing optical element | — | 2013-12-17 |
| 8592332 | Optical glass, preform for precision press molding, optical element, method for manufacturing optical element | — | 2013-11-26 |
| 8575048 | Optical glass, precision press-molding preform, optical element and process for producing the same | Yasuhiro Fujiwara | 2013-11-05 |
| 8492299 | Optical glass | Xuelu Zou | 2013-07-23 |
| 8424344 | Optical glass | Xuelu Zou, Yunoshin Kanayama | 2013-04-23 |
| 8410008 | Optical glass | Xuelu Zou | 2013-04-02 |
| 8127570 | Optical glass | Xuelu Zou | 2012-03-06 |
| 8110514 | Optical glass | Xuelu Zou | 2012-02-07 |