Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834465 | Optical glass and method for producing the same | — | 2017-12-05 |
| 9828280 | Glass, optical glass, glass raw material for press molding, and optical element | Yasuhiro Fujiwara | 2017-11-28 |
| 9604872 | Glass and optical element production method | Yasuhiro Fujiwara | 2017-03-28 |