| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 26 | |
| #2 | United States | 25 | |
| #3 | WIPO (World Intellectual Property Organization) | 12 | |
| #4 | EPO (European Patent Office) | 6 | |
| #5 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tochihara Hideya | 16 |
| #2 | Warashina Tomoaki | 7 |
| #3 | Ishida Takao | 7 |
| #4 | Maebashi Yuuya | 5 |
| #5 | Kurita Chiaki | 5 |
| #6 | Takao Ishida | 5 |
| #7 | Suzuki Koji | 5 |
| #8 | Koji Suzuki | 4 |
| #9 | Inoguchi Tetsunori | 4 |
| #10 | Nakayama Toshiaki | 4 |
| Publication | Filing date | Title |
|---|---|---|
| WO2021059724A1 | Purge control valve device | |
| WO2021038964A1 | Vehicle alarm device | |
| US2021062735A1 | Purge control valve device | |
| US2020158249A1 | Solenoid valve | |
| WO2020017347A1 | Alarm horn for vehicle | |
| US2019331063A1 | Control valve assembly | |
| WO2019017197A1 | Valve device and canister | |
| WO2018225540A1 | Valve device and fuel evaporated gas purge system |