Yoshihito Moriya
57Patents
14h-index
39Co-inventors
84Inventor score
Filing activity: Jun 19, 1986 → Mar 15, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5924395A | System for regulating valve timing of internal combustion engine | Emerging Cross-Sectional Technologies | 97 | Expired |
| US5209640A | Pitch control apparatus for variable pitch propeller | Performing Operations; Transporting | 49 | Expired |
| US5284418A | Electric pitch control apparatus for variable pitch propeller capable of controlling the pitch angle based instantaneous operational conditions of the propeller | Performing Operations; Transporting | 32 | Expired |
| US5483930A | Valve timing control device | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5816204A | Variable valve timing mechanism for internal combustion engine | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6135077A | Valve timing changing apparatus for internal combustion engine | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5299911A | Electric pitch control apparatus for variable-pitch propeller | Performing Operations; Transporting | 27 | Expired |
| US5628286A | Valve timing control apparatus for engine | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4687348A | Device for locking/unlocking rotation of an eccentric bearing used in a compression ratio changing mechanism of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5924397A | Variable valve performance apparatus for engine | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6244229A | Valve lifter for three-dimensional cam and variable valve operating apparatus using the same | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6318313A | Variable performance valve train having three-dimensional cam | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4721073A | Compression ratio changing device using an eccentric bearing for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5769044A | Value performance control apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6014952A | Valve timing control apparatus for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5893345A | Valve control apparatus for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6415753B1 | Variable valve apparatus of internal combustion engine and method of varying the open-close characteristic of an engine valve | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6035818A | Variable valve control apparatus | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5816205A | Oil supply structure in variable valve timing mechanism | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5988128A | Valve driving apparatus for engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5803031A | Hydraulic actuator in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6182623A | Variable valve control device | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6561150B1 | Engine valve characteristic controller | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5785026A | Variable valve timing mechanism of engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7603223B2 | Apparatus for adjusting valve timing when starting internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.