Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10840827 | Vibration energy harvester | Hiroshi Toshiyoshi, Hiroyuki Fujita, Hisayuki Ashizawa, Kazunori Ishibashi | 2020-11-17 |
| 10833607 | Electret element, electromechanical converter and method for manufacturing electret element | Hiroyuki Fujita, Gen Hashiguchi, Hisayuki Ashizawa, Kazunori Ishibashi | 2020-11-10 |
| 10566912 | Vibration-driven energy harvester | Hiroyuki Fujita | 2020-02-18 |