Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180677 | Polishing agent for synthetic quartz glass substrate and method for polishing synthetic quartz glass substrate | Mitsuhito Takahashi | 2021-11-23 |
| 11067835 | Method for producing transparent ceramic,transparent ceramic, magneto-optical device and rare earth oxide powder for sintering | Shinji Makikawa, Shinji Aoki | 2021-07-20 |