Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11404873 | Power system operation assisting device and method, and oscillation suppression system | Kenta KIRIHARA, Yutaka Kokai, Sumito TOBE, Masahiro YATSU, Hiroo HORII | 2022-08-02 |
| 10461538 | System stabilization control device and power system control system | Jun Yamazaki, Osamu Tomobe, Eisuke Kuroda, Sumito TOBE, Masahiro YATSU | 2019-10-29 |
| 5287650 | Structured medium for the cultivation of greenery and a waterproofing system to facilitate the installation of said medium on buildings | Goro Moriguchi, Seiichiro Ishihara, Masatosi Kubo, Takeshi Nakai | 1994-02-22 |