Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12081029 | Power generation control system and power generation control method | Tatsuya Jinno, Kohei Okaguchi | 2024-09-03 |
| 11653804 | Work system, autonomous work machine, method of controlling autonomous work machine, and non-transitory computer-readable storage medium | Hiroto Takahashi, Naoki Kameyama, Hiroya Takahashi | 2023-05-23 |
| 11654783 | Electric lawnmower with coil for wireless charging and discharging of battery pack | Hiroya Takahashi, Takumi Shiiyama | 2023-05-23 |
| 11631990 | Power supply connection device | Tadashi Yamashita | 2023-04-18 |
| 11631979 | Charging control system, autonomous traveling work machine, and charging station | Hiroya Takahashi, Takumi Shiiyama | 2023-04-18 |
| 11612914 | Cleaning system and method of controlling cleaning system | Hiroya Takahashi, Hiroto Takahashi, Naoki Kameyama | 2023-03-28 |
| 11205925 | Wireless power feeding structure including a power transmission coil, power reception coil, and a core of a magnetic substance | Hiroya Takahashi, Takumi Shiiyama | 2021-12-21 |
| 7750503 | Direct current stabilizing power source apparatus | Motohiro Shimizu | 2010-07-06 |
| 6744239 | Connection to grid type engine generator apparatus | Tomoki Fukushima, Takao Tamechika, Kenji Kamimura | 2004-06-01 |
| 6717387 | Generator apparatus | Tomoki Fukushima, Tsutomu Wakitani | 2004-04-06 |
| 6630816 | Grid-type engine generator apparatus for connecting an output of an engine-driven generator to a power network | Tomoki Fukushima, Kenji Kamimura | 2003-10-07 |
| 5901801 | Motor with gear reducer, and assembly method and maintenance method for same | Naoya Toida, Yosihisa Hirose, Yosihiro Iijima, Hiroo Kanke | 1999-05-11 |
| 5793132 | Electric wheel motor | Yosihisa Hirose, Naoya Toida, Hiroo Kanke, Yoshihiro Iijima | 1998-08-11 |
| 5691584 | Wheel motor for vehicles | Naoya Toida, Yoshihiro Iijima, Junji Okuda, Yoshihisa Hirose | 1997-11-25 |
| 5633544 | Wheel motor | Naoya Toida, Yoshihiro Iijima, Junji Okuda, Yoshihisa Hirose | 1997-05-27 |
| 5156232 | Operation controlling apparatus of the passenger working machine | Fumio Muroya, Naoya Toida, Kazunobu Sato | 1992-10-20 |
| 4928458 | Engine control device for mower | Fumio Muroya | 1990-05-29 |