Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10361355 | Power generation system | Koichi Hasegawa | 2019-07-23 |
| 10027256 | Vibration power generation device | Koichi Hasegawa, Takahiro Kachi, Takeshi Nomura, Hidenori Katsumura, Hiroshi Kagata +1 more | 2018-07-17 |
| 9889750 | Electric construction machine | Masayuki Yunoue, Tatsuo Takishita | 2018-02-13 |
| 9735710 | Power generator having a multiple-degree-of-freedom vibration system and a power generating element attached to the vibration system while converting vibration energy of a vibrating member to electrical energy | Koichi Hasegawa, Atsushi Muramatsu, Hidenori Katsumura, Akihiko Namba, Hiroshi Kagata | 2017-08-15 |
| 9729087 | Vibration power generator, vibration monitoring device, and vibration monitoring system | Hidenori Katsumura, Hiroshi Kagata, Masaya Tamura, Koichi Hasegawa | 2017-08-08 |
| 9490729 | Magnetostrictive vibration power generation device | Koichi Hasegawa | 2016-11-08 |
| 9347203 | Electric drive unit for construction machine | Yasutaka Tsuruga, Kiwamu Takahashi, Tatsuo Takishita | 2016-05-24 |
| 9187880 | Electric drive unit for construction machine | Yasutaka Tsuruga, Kiwamu Takahashi, Tatsuo Takishita | 2015-11-17 |
| 9080311 | Construction machine | Hajime Yoshida, Hajime Ishii, Yoshifumi Takebayashi, Shuuhei Noguchi | 2015-07-14 |
| 8972121 | Electromotive drive device for construction machine | Tatsuo Takishita, Yuta Nakamura | 2015-03-03 |
| 8700246 | Electrically-operated construction machine | Katsuyoshi Nasu, Tatsuo Takishita, Wataru Takagi | 2014-04-15 |
| 8672072 | Construction machine | Tatsuo Takishita, Katsuyoshi Nasu | 2014-03-18 |