Tadahiro Yasuda
39Patents
10h-index
35Co-inventors
75Inventor score
Filing activity: Jun 22, 1977 → Jan 18, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4401383A | Transfer device for use in retention type electrophotographic copying machine | Physics | 31 | Expired |
| US7431045B2 | Flow restrictor | Emerging Cross-Sectional Technologies | 29 | Expired |
| US8789556B2 | Flow rate control device, diagnostic device for use in flow rate measuring mechanism or for use in flow rate control device including the flow rate measuring mechanism and recording medium having diagnostic program recorded thereon for use in the same | Emerging Cross-Sectional Technologies | 24 | Active |
| US8104323B2 | Flow controller, flow measuring device testing method, flow controller testing system, and semiconductor manufacturing apparatus | Physics | 22 | Active |
| US8744784B2 | Diagnostic mechanism in differential pressure type mass flow controller | Physics | 22 | Active |
| US8376312B2 | Flow restrictor | Physics | 22 | Active |
| US8443649B2 | Mass flow controller verifying system, verifying method and verifying program | Emerging Cross-Sectional Technologies | 21 | Active |
| US8746057B2 | Flow rate measuring device and flow rate controller | Emerging Cross-Sectional Technologies | 21 | Active |
| US8910656B2 | Fluid controller | Emerging Cross-Sectional Technologies | 21 | Active |
| US4396273A | Transfer unit for electrophotographic copying machine | Physics | 16 | Expired |
| US9188990B2 | Fluid mechanism, support member constituting fluid mechanism and fluid control system | Emerging Cross-Sectional Technologies | 7 | Active |
| US8646307B2 | Mass flow controller verifying system, verifying method and verifying program | Emerging Cross-Sectional Technologies | 6 | Active |
| US9285079B2 | Gas supply system | Emerging Cross-Sectional Technologies | 4 | Active |
| US9746102B2 | Fluid control valve | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10996689B2 | Flow rate ratio control device with flow velocity control mode | Physics | 4 | Active |
| US4394427A | Electrophotographic sensitizing screen with peripherally clogged apertures | Physics | 3 | Expired |
| US11036242B2 | Calibration data generation apparatus, calibration data generation method, and flow rate control device | Physics | 3 | Active |
| US9494946B2 | Flow rate control device | Emerging Cross-Sectional Technologies | 2 | Active |
| US9795936B2 | Fluid mixing element | Emerging Cross-Sectional Technologies | 2 | Active |
| US4279980A | Electrophotographic sensitizing screen | Physics | 2 | Expired |
| US4272597A | Electrophotographic sensitizing screen | Physics | 2 | Expired |
| US9719829B2 | Fluid measurement system | Physics | 1 | Active |
| US10704936B2 | Flow rate characteristic function identification method, flow rate characteristic function identification device, storage medium storing flow rate characteristic function identification program, and flow rate sensor or flow rate control device using them | Physics | 1 | Active |
| US10114385B2 | Fluid control valve | Physics | 1 | Active |
| US10545514B2 | Flow rate control apparatus, flow rate control method, and program recording medium | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.