| 12252794 |
Method for controlling hydrogen generation system, and hydrogen generation system |
Koji Matsuoka, Hirofumi TAKAMI, Yasushi Sato, Hirokazu Kojima, Naoya Itou +2 more |
2025-03-18 |
| 7586759 |
Power source apparatus |
Kimihiro Nishijima |
2009-09-08 |
| 6108216 |
Non-contact electrical power transmission system |
Hideaki Abe, Hiroshi Sakamoto |
2000-08-22 |
| 5099406 |
DC-DC converter with surge voltage prevention |
Hiroshi Sakamoto |
1992-03-24 |
| 5063488 |
Switching power source means |
Hiroshi Sakamoto |
1991-11-05 |
| 5027263 |
Switching power source means |
Hiroshi Sakamoto |
1991-06-25 |
| 5019770 |
Switching power source device having energy recovery |
Hiroshi Sakamoto, Takazi Nakamizo |
1991-05-28 |
| 4893069 |
Ferroresonant three-phase constant AC voltage transformer arrangement with compensation for unbalanced loads |
Akihiko Katsuki, Fukutoshi Tominaga |
1990-01-09 |
| 4786854 |
Alternating current voltage regulator using a feedback loop with step filtering |
Takazi Nakamizo, Cheng Chen |
1988-11-22 |
| 4642549 |
Ferroresonant constant AC voltage regulator |
Katsuaki Murata, Takazi Nakamizo |
1987-02-10 |
| 4626983 |
Power conversion device for solar cell |
Katsuaki Murata, Takazi Nakamizo |
1986-12-02 |
| 4556802 |
Uninterruptible ac power supply |
Katsuaki Murata, Takazi Nakamizo |
1985-12-03 |