Yasuhiro Kondo
96Patents
12h-index
106Co-inventors
87Inventor score
Filing activity: Nov 24, 1986 → Jan 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6131057A | Protecting device of electromobile | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5880570A | Method and apparatus for controlling a synchronous motor | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5283510A | Method for driving three phase stepping motor | Electricity | 53 | Expired |
| US6340857B2 | Motor having a rotor with interior split-permanent-magnet | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5504404A | Method and apparatus for controlling motor | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6741002B2 | Motor having a rotor with interior split-permanent-magnet | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6984909B2 | Motor | Electricity | 22 | Expired |
| US6164860A | Joint assembly for car steering systems | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6815786B2 | Semiconductor optical device and method of manufacturing the same | Electricity | 16 | Expired |
| US5444340A | Controlling apparatus of motor | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5473232A | Sensorless brushless motor driving apparatus with induced voltage signal latch | Electricity | 13 | Expired |
| US7288868B2 | Motor generator | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6858961B2 | Motor | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5470785A | Method of manufacturing buried heterostructure semiconductor laser | Electricity | 10 | Expired |
| US5321340A | Driving method for three-phase stepping motor | Electricity | 10 | Expired |
| US6744164B2 | Motor, electric vehicle and hybrid electric vehicle | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5260230A | Method of manufacturing buried heterostructure semiconductor laser | Electricity | 9 | Expired |
| US5616000A | Stator of torque converter for vehicles improved to suppress separation of working fluid | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5162998A | Constant-speed regulating device for a vehicle | Performing Operations; Transporting | 7 | Expired |
| US6717187B2 | Semiconductor optical device and the fabrication method | Electricity | 6 | Expired |
| US5298846A | Drive unit for driving a stepping motor | Electricity | 6 | Expired |
| US8497648B2 | Synchronous electric motor drive system | Emerging Cross-Sectional Technologies | 6 | Active |
| US5485375A | Protecting device of electromobile | Performing Operations; Transporting | 6 | Expired |
| US10689402B2 | Polycyclic aromatic compound and light emission layer-forming composition | Electricity | 6 | Active |
| US8081488B2 | Portable electronic device | Emerging Cross-Sectional Technologies | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.