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, Kouta Hasebe, Hideki Fujiwara | 2021-11-02 |
| 11118558 | Hydroelectric power generation system | Atsushi Suhara, Tomomi Sakamoto | 2021-09-14 |
| 11045098 | Sensor | Nobuyoshi Watanabe, Hideki Fujisaki, Kumi SUGIYAMA | 2021-06-29 |
| 11041476 | Hydroelectric power generation system | Atsushi Suhara, Takahiro Yokoyama | 2021-06-22 |
| 11035337 | Hydroelectric system | Atsushi Suhara, Yoshiyuki Harada, Tomomi Sakamoto, Yusuke Irino | 2021-06-15 |