Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9561980 | Optical glass, optical glass blank, glass material for press molding, optical element, and methods for producing them | Yasuhiro Fujiwara | 2017-02-07 |
| 9322596 | Drying device and method of aqueous moisture gel | Koichi Kajiwara, Ryohei Maehana, Kiyoshi Kanamura | 2016-04-26 |