Jun Sugihara
21Patents
4h-index
15Co-inventors
60Inventor score
Filing activity: Nov 19, 1997 → Nov 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5902207A | Oil pressure controller for continuously variable transmission | Mechanical Engineering; Lighting; Heating | 125 | Expired |
| US7467678B2 | Hybrid four-wheel-drive | Emerging Cross-Sectional Technologies | 53 | Active |
| US6152849A | Friction roller type continuously variable transmission | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5993349A | System for lubricating reverse sensor of toroidal type continuously variable transmission | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6332858A | Toroidal continuously variable transmission | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6645120B1 | Speed change control device for a continuously variable transmission | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6045480A | Hydraulic pressure control device of automatic transmission | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6500088B2 | Lubricating system for toroidal continuously variable transmission | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7244214B2 | Speed change device and steering system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6123641A | Toroidal continuously variable transmission | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7204783B2 | Toroidal type continuously variable transmission | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6846264B2 | Toroidal continuously variable transmission | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7077023B2 | Toroidal continuously variable transmission | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6142906A | Hydraulic pressure control device of automatic transmission | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7409591B2 | Method and system for managing programs for web service system | Electricity | 1 | Expired |
| US7500251B2 | Method and system for managing programs for web service system | Physics | 1 | Expired |
| US6652412B2 | Speed change control system of toroidal continuously variable transmission | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7192380B2 | Toroidal continuously variable transmission | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US12247997B2 | Froth bubble moving speed measuring device and method of measuring froth bubble moving speed, flotation apparatus and flotation method using same | Physics | 0 | Active |
| US6475111B2 | Toroidal continuously variable transmission | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US6656081B2 | Ratio control for toroidal-type traction drive incorporating lost motion cam actuator | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.