Yuji Matsubara
20Patents
9h-index
37Co-inventors
75Inventor score
Filing activity: Jan 13, 1978 → Dec 10, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5682898A | Respiration rate measuring apparatus | Human Necessities | 71 | Expired |
| US5617868A | Pulse wave detecting apparatus | Human Necessities | 71 | Expired |
| US4741580A | Anti-skid control system for motor vehicle | Performing Operations; Transporting | 22 | Expired |
| US4991910A | Anti-lock control system for motor vehicles | Performing Operations; Transporting | 20 | Expired |
| US4717209A | Anti-skid control system for motor vehicles | Performing Operations; Transporting | 18 | Expired |
| US4762376A | Anti-skid control system for motor vehicles of the type switchable between two-wheel drive (2WD) and four-wheel drive (4WD) | Performing Operations; Transporting | 16 | Expired |
| US4185604A | Feedback control system for gas flow in internal combustion engine for purpose of exhaust gas purification | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4359988A | Ignition timing regulating apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4452204A | Spark timing control device for an internal combustion engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4930083A | Anti-skid brake control system | Performing Operations; Transporting | 7 | Expired |
| US4774668A | Anti-skid control system for motor vehicles | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8097056B2 | Air cleaner unit for internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4220045A | Mass flow measuring apparatus | Physics | 3 | Expired |
| US4173888A | Peak point detector for ionized mass flow rate measurement | Physics | 2 | Expired |
| US11167632B2 | Vibration-damping device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9908265B2 | Method of manufacturing mold, and molded article having fine relief structure on surface and method of manufacturing the same | Performing Operations; Transporting | 0 | Active |
| US8241385B2 | Air cleaner unit for internal combustion engine | Performing Operations; Transporting | 0 | Active |
| US9605355B2 | Method for producing anodic porous alumina, method for producing molded article having microscopic pattern on surface, and molded article having microscopic pattern on surface | Performing Operations; Transporting | 0 | Active |
| US9890751B2 | Air cleaner hose | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8780350B2 | Method for manufacturing anodized alumina, and device and method for inspecting the same | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.