Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858294 | Transparent ceramics, manufacturing method thereof, and magneto-optical device | Keita Tanaka, Shinji Makikawa | 2020-12-08 |
| 10642073 | Method for producing transparent ceramic, transparent ceramic, magneto-optical device and rare earth oxide powder for sintering | Shinji Makikawa, Yoshihiro Nojima | 2020-05-05 |
| 10563148 | Lubricant oil composition | Jitsuo Shinoda | 2020-02-18 |