Sigeaki Yamamuro
36Patents
17h-index
12Co-inventors
78Inventor score
Filing activity: Apr 18, 1977 → Nov 21, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5032065A | Radial piston pump | Mechanical Engineering; Lighting; Heating | 98 | Expired |
| US4603602A | Method of controlling continuously variable transmission | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US4589071A | Method and apparatus for controlling reduction ratio of continuously variable transmission with acceleration compensation | Performing Operations; Transporting | 64 | Expired |
| US4735113A | Creep torque and lock-up control for automatic transmission | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US4579021A | Method and apparatus for controlling line pressure in continuously variable transmission | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4543077A | Method and apparatus for controlling continuously variable V-belt transmission | Performing Operations; Transporting | 36 | Expired |
| US4478105A | Hydraulic control system for continuously variable V-belt transmission with hydrodynamic transmission unit | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4194608A | Controls for clutch, motor and transmission | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US4597308A | Method and apparatus for controlling reduction ratio of continuously variable transmission | Performing Operations; Transporting | 27 | Expired |
| US4590561A | Method and apparatus for controlling reduction ratio of continuously variable transmission with accelerator pedal displacement speed compensation | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4576265A | Control system for hydraulic automatic clutch | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4566354A | Method and apparatus for controlling reduction ratio of continuously variable transmission with engine coolant temperature compensation | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4536171A | Method and apparatus for controlling continuously variable transmission | Performing Operations; Transporting | 19 | Expired |
| US4542665A | Control system for continuously variable transmission with space saving automatic clutch control | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4519790A | Hydraulic control system for continuously variable V-belt transmission | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4526557A | Method and apparatus for controlling a continuously variable transmission | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4533340A | Hydraulic control system for continuously variable V-belt transmission | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4764155A | Method of controlling continuously variable transmission | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4776829A | Power transmission belt | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4938737A | Transmission belt | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4545265A | Hydraulic control system for continuously variable V-belt transmission | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4583627A | Vehicle/engine operational parameter responsive clutch control | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4484493A | Cone pulley V-belt continuously variable transmission | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4736655A | Apparatus for controlling reduction ratio in continuously variable transmission | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4651776A | Fluid pressure control valve for hydraulic actuator | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.