Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10773991 | Soda-lime glass | Hiroyuki Hijiya, Kensuke Nagai | 2020-09-15 |
| 10766806 | Glass for data storage medium substrate, glass substrate for data storage medium, and magnetic disk | Hiroyuki Hijiya, Kensuke Nagai, Tetsuya Nakashima, Yutaka KUROIWA | 2020-09-08 |
| 10611671 | Heat-ray- and ultraviolet-absorbent glass sheet, and method for manufacturing same | Hiroyuki Hijiya, Kensuke Nagai | 2020-04-07 |