Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11150550 | Reflective mask blank and reflective mask | Hiroshi Hanekawa, Tsuyoshi Kakuta, Sadatatsu Ikeda | 2021-10-19 |
| 10927039 | Chemically strengthened glass and production method for chemically strengthened glass | Izuru Kashima, Yusuke Fujiwara, Kiyoshi Tamai, Yuichi Suzuki, Daisuke Kobayashi | 2021-02-23 |