| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | WIPO (World Intellectual Property Organization) | 11 | |
| #3 | China | 8 | |
| #4 | EPO (European Patent Office) | 7 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Semiconductors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okada Kazuhiro | 42 |
| #2 | Okada Miho | 34 |
| #3 | Era Satoshi | 19 |
| #4 | Nishioki Nobuhisa | 4 |
| #5 | Kamiudo Takahito | 1 |
| #6 | Kazuhiro Okada | 1 |
| #7 | Nagamoto Nobuhiro | 1 |
| #8 | Miho Okada | 1 |
| #9 | Akiba Kazuto | 1 |
| #10 | Okada Yoshiho | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2020044395A1 | Power generation element | |
| EP3550276A1 | Force sensor | |
| US2019212215A1 | Force sensor | |
| WO2019021400A1 | Power generation element | |
| WO2018220725A1 | Weight body element, and method for manufacturing vibration power generation element having weight body | |
| WO2018185895A1 | Power generation element and power generation device | |
| WO2018163255A1 | Force sensor | |
| WO2018105008A1 | Power generating element manufacturing method | |
| WO2018042571A1 | Force sensor | |
| WO2018029790A1 | Force sensor | |
| US2018348074A1 | Torque sensor for detecting occurrence of metal fatigue in an elastic body | |
| CN108028614A | generating element | |
| EP3104151A1 | Force sensor and structure used therein | |
| EP3287756A1 | Torque sensor |