Tamotsu Todo
16Patents
6h-index
25Co-inventors
66Inventor score
Filing activity: Sep 27, 1990 → Oct 15, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5203290A | Intake and/or exhaust-valve timing control sytem for internal combustion engine | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6502537B2 | Valve timing control device of internal combustion engine | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6032643A | Decompression engine brake device of automotive internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6263843A | Valve timing control device of internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6805081B2 | Valve timing control device for internal combustion engine | Electricity | 11 | Expired |
| US6520132B2 | Valve timing control system of internal combustion engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7171931B2 | Variable valve system with control shaft actuating mechanism | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5918367A | Method of producing valve lifter | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6672264B2 | Valve timing control device of internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7032551B2 | Adjusting mechanism adjusting method of valve-lift amount of internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9068626B2 | Balancer device of internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7077086B2 | Variable valve system with control shaft actuating mechanism | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US5070981A | Fluid coupling | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6672265B2 | Valve timing control system for internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US9816582B2 | Balancer device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7055477B2 | Valve actuation apparatus for internal combustion engine and method of adjusting lift thereof | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.