Koji Hotta
23Patents
8h-index
28Co-inventors
75Inventor score
Filing activity: Jul 2, 1979 → Jan 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7423316B2 | Semiconductor devices | Electricity | 26 | Expired |
| US9254871B2 | Vehicular instrument-mounting structure | Performing Operations; Transporting | 22 | Active |
| US4329130A | Flow meter with helical toothed rotors having no pulsation and zero contact pressure | Physics | 21 | Expired |
| US5090365A | Variable valve timing system in an engine having a rotating cam-shaft | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US7737491B2 | Trench gate field effect devices | Electricity | 12 | Active |
| US7598566B2 | Trench gate field effect devices | Electricity | 12 | Expired |
| US5080052A | Variable valve timing system in an engine having a rotating cam-shaft | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5488934A | Valve gear device | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5275138A | Variable valve timing system in an engine having two cam-shafts | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US9199537B2 | Automobile with vehicle drive motor | Emerging Cross-Sectional Technologies | 7 | Active |
| US6471611B1 | Auto-tensioner | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7482659B2 | Semiconductor devices with electric current detecting structure | Electricity | 4 | Active |
| US9469201B2 | Vehicle equipment mounting structure | Emerging Cross-Sectional Technologies | 3 | Active |
| US9472942B2 | Current sensor, and power conversion apparatus | Electricity | 2 | Active |
| US11322996B2 | Motor | Electricity | 1 | Active |
| US11245304B2 | Stator | Electricity | 1 | Active |
| US11437880B2 | Stator | Electricity | 0 | Active |
| US11482906B2 | Stator | Electricity | 0 | Active |
| US11128192B2 | Motor with guide member | Electricity | 0 | Active |
| US11296582B2 | Stator and method for manufacturing stator | Electricity | 0 | Active |
| US11522402B2 | Stator | Electricity | 0 | Active |
| US10736238B2 | Semiconductor device | Electricity | 0 | Active |
| US11342806B2 | Stator | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.