Shigeto Ryuen
17Patents
8h-index
24Co-inventors
68Inventor score
Filing activity: Mar 29, 2000 → Jul 12, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7104283B2 | Normally open hydraulic control valve | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6598852B2 | Solenoid valve | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US7325564B2 | Linear solenoid valve | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7487798B2 | Linear solenoid valve | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6336373B1 | Rotary electromagnetic actuator | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8397759B2 | Electromagnetic spool valve | Emerging Cross-Sectional Technologies | 10 | Active |
| US8248195B2 | Flat electromagnetic actuator | Electricity | 9 | Active |
| US7503347B2 | Linear solenoid valve | Emerging Cross-Sectional Technologies | 8 | Active |
| US7165574B2 | Solenoid valve with cylindrical valve guide for the spherical valve element at the pressure inlet | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6371166B1 | Solenoid valve device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8585014B2 | Linear solenoid and valve device using the same | Electricity | 5 | Active |
| US7388461B2 | Electromagnetic apparatus | Electricity | 5 | Active |
| US7066206B2 | Damper device for hydraulic control valve | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7049916B2 | Electromagnetic apparatus | Electricity | 2 | Expired |
| US8499795B2 | Solenoid valve device | Emerging Cross-Sectional Technologies | 1 | Active |
| US11072523B2 | Pressure reducing valve for gas | Emerging Cross-Sectional Technologies | 0 | Active |
| US6923209B2 | Liquid pressure control system | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.