Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172930 | Preparation method and use of yellow fluorescent glass ceramic | Wenge Xiao, Chang Liu, Xiaofeng Liu | 2024-12-24 |
| 12006263 | Preparation method and use of green fluorescent transparent ceramic | Wenge Xiao, Xiaofeng Liu, Dezhi Tan | 2024-06-11 |
| 7515803 | Optical element, manufacturing method thereof, and optical device | Kazuyuki Hirao, Yasuhiko Shimotsuma, Takahiro Matsubara | 2009-04-07 |
| 7310463 | Optical structural body, its manufacturing method and optical element | Yasuhiko Shimotsuma, Kazuyuki Hirao | 2007-12-18 |
| 6729161 | Method of selectively reforming an inner part of an inorganic body | Kiyotaka Miura, Yuki Kondo, Kazuyuki Hirao | 2004-05-04 |