Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203548 | Optical glass, optical element composed of optical glass, optical system interchangeable lens, and optical device | Motoi Ueda, Hiroshi Yamamoto, Tatsunori Kawashima | 2021-12-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203548 | Optical glass, optical element composed of optical glass, optical system interchangeable lens, and optical device | Motoi Ueda, Hiroshi Yamamoto, Tatsunori Kawashima | 2021-12-21 |