Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193084 | Low viscosity lubricating oil compositions | Yoshitaka Takeuchi, Taiki HATTORI, Chihiro Sone | 2021-12-07 |
| 11114577 | Photovoltaic power generation device | Tomohide Yoshida, Mamoru Arimoto, Naofumi Hayashi, Minoru Higuchi | 2021-09-07 |
| 10900462 | Guide vane apparatus for water turbine and water turbine equipped with the same | Kazuyuki Nakamura, Takahiro Nakashima, Takanori Nakamura, Takuya TOMIOKA, Keita Saito | 2021-01-26 |