Yuichi Tawarada
21Patents
4h-index
28Co-inventors
63Inventor score
Filing activity: Oct 20, 2000 → Mar 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7975662B2 | Internal combustion engine having a hydraulically-actuated variable valve control system, and motorcycle incorporating same | Emerging Cross-Sectional Technologies | 32 | Active |
| US6453762B1 | Change device of transmission for vehicle | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7201119B2 | Vehicular power unit | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7267094B2 | Lubrication system of small vehicle engine | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7624713B2 | Mounting structure for an oil level sight glass for an internal combustion engine and engine incorporating same | Physics | 3 | Active |
| US11047715B2 | Sensor mounting structure for engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7500476B2 | Engine cylinder head cover with integral breather apparatus, and engine incorporating same | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7980213B2 | Internal combustion engine equipped with a variable valve control system | Emerging Cross-Sectional Technologies | 2 | Active |
| US7966982B2 | Fixation structure for valve system rotation shaft of internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7469611B2 | Vehicular power unit with improved transmission structure | Emerging Cross-Sectional Technologies | 1 | Active |
| US7267095B2 | Power unit having crankcase to which auxiliary machine is fitted, and motorcycle having power unit | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7874949B2 | Power unit with auxiliary machine driving transmission mechanism | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9091326B2 | Air bleeding valve for hydraulic tensioner of an engine and hydraulic tensioner incorporating same | Emerging Cross-Sectional Technologies | 1 | Active |
| US7500460B2 | Mounting structure for supporting a starter motor on an internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7905203B2 | Oil cooler for vehicle | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10968792B2 | Motorcycle engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8413623B2 | Internal combustion engine with variable valve control system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11614049B2 | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7237514B2 | Piston cooling device | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US11731502B2 | Internal combustion engine | Performing Operations; Transporting | 0 | Active |
| US11585290B2 | Internal combustion engine | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.