Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334738 | Power conversion device and estimation device | Masahiro HARIO | 2025-06-17 |
| 12081141 | Modular multilevel converter with current failure detection | — | 2024-09-03 |
| 11973435 | Power conversion device | Yasunori IDO, Hideaki Ohashi | 2024-04-30 |
| 11936307 | Power control system and controller for power control system | Masahiro HARIO | 2024-03-19 |
| 11909201 | Multi-terminal DC power transmission system, common control device thereof, and fault recovery method for multi-terminal DC power transmission system | Masahiro HARIO, Yasunori IDO, Keisuke Ishida | 2024-02-20 |
| 11632060 | Power conversion device | Masahiro HARIO | 2023-04-18 |
| 11601064 | Power conversion device having a frequency of a first control signal higher than a frequency of a second control signal | Masahiro HARIO | 2023-03-07 |
| 11196355 | Power conversion apparatus having autonomous generation of identification information by each sub-module | Yasunori IDO, Hideaki Ohashi | 2021-12-07 |
| 11081974 | Fault tolerant multilevel modular power conversion device | Masahiro HARIO | 2021-08-03 |
| 10790764 | Power conversion device that limits voltage variation among energy storage devices | Tomohiro Adachi, Masahiro HARIO | 2020-09-29 |
| 10247414 | Coal-fired boiler exhaust gas treatment apparatus and coal-fired boiler exhaust gas treatment method | Atsushi Katagawa, Hirotaka Yamanari | 2019-04-02 |
| 8778041 | Exhaust gas treatment device for an oxygen combustion system | Yoshiaki Mitsui, Hidehisa Yoshizako, Naoki Oda | 2014-07-15 |
| 6890673 | Hydrogen producing apparatus and power generating system using it | Kazutoshi Higashiyama, Masahiro Komachiya, Kiyoshi Hiyama, Tomoichi Kamo, Tetsurou Okano +1 more | 2005-05-10 |