Yusuke Takagi
47Patents
9h-index
71Co-inventors
78Inventor score
Filing activity: Oct 4, 1985 → Feb 4, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4989626A | Apparatus for and method of controlling the opening and closing of channel for liquid | Emerging Cross-Sectional Technologies | 204 | Expired |
| US4721388A | Method of measuring shape of object in non-contacting manner | Physics | 83 | Expired |
| US5101848A | Shut off apparatus for a fluid passage, method for controlling the same, and method for confirming closing of the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8888168B2 | Front vehicle body structure | Performing Operations; Transporting | 12 | Active |
| US8946567B2 | Power module, power converter device, and electrically powered vehicle | Emerging Cross-Sectional Technologies | 11 | Active |
| US9179581B2 | Power semiconductor device and power conversion device | Electricity | 10 | Active |
| US10348214B2 | Power module, power converter device, and electrically powered vehicle | Emerging Cross-Sectional Technologies | 10 | Active |
| US9270195B2 | Power converter including a power module allowing main current supply and cutoff | Electricity | 9 | Active |
| US8659130B2 | Power module and power module manufacturing method | Electricity | 9 | Active |
| US6877466B2 | Variable valve operating system for internal combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| USD651170S1 | Portion of a power module for power inverter | General | 8 | Expired |
| US10279653B2 | Power converter | Electricity | 6 | Active |
| US10037930B2 | Power semiconductor module and manufacturing method of power semiconductor module | Electricity | 6 | Active |
| USD651565S1 | Portion of power module for power inverter | General | 6 | Expired |
| US10034401B2 | Power semiconductor device and power conversion device | Electricity | 4 | Active |
| US9476366B2 | Control device and control method for variable compression ratio internal combustion engines | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9407163B2 | Power module, power converter device, and electrically powered vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US8726858B2 | Variable compression ratio internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| USD759589S1 | Power module for power inverter | General | 3 | Active |
| US9497873B2 | Power module including first and second sealing resins | Electricity | 3 | Active |
| US9729076B2 | Power module, power converter device, and electrically powered vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US11139748B2 | Power module, power converter device, and electrically powered vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
| US7685979B2 | Variable valve timing mechanism for internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9422872B2 | Variable compression ratio internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10629612B2 | Memory device | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.