Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162186 | Quartz glass crucible, manufacturing method thereof, and manufacturing method of silicon single crystal using quartz glass crucible | Hiroshi Kishi, Takahiro Abe, Hideki Fujiwara | 2021-11-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162186 | Quartz glass crucible, manufacturing method thereof, and manufacturing method of silicon single crystal using quartz glass crucible | Hiroshi Kishi, Takahiro Abe, Hideki Fujiwara | 2021-11-02 |