Masato Aoki
50Patents
5h-index
46Co-inventors
72Inventor score
Filing activity: Oct 14, 1994 → Apr 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6949140B2 | Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor device | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6780239B2 | Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor device | Chemistry; Metallurgy | 20 | Expired |
| US5458182A | Mold vibrating apparatus in continuous casting equipment | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7261775B2 | Methods of growing a group III nitride crystal | Emerging Cross-Sectional Technologies | 11 | Expired |
| US9263639B2 | Group III nitride semiconductor light-emitting device | Electricity | 6 | Active |
| US7629619B2 | Group III nitride-based compound semiconductor light-emitting device and method for producing the same | Electricity | 5 | Active |
| USD734432S1 | Pinch valve | General | 5 | Active |
| US9007011B2 | Driving control device of brushless motor | Electricity | 4 | Active |
| US7828896B2 | Methods of growing a group III nitride crystal | Emerging Cross-Sectional Technologies | 3 | Active |
| US10749452B2 | Motor driving system, motor driving control device, and non-transitory computer readable medium for motor driving control device | Electricity | 3 | Active |
| US11114961B2 | Motor driving control device and motor driving control method | Electricity | 3 | Active |
| US9000705B2 | Power controller | Electricity | 3 | Active |
| US9834087B2 | Vehicle structure | Performing Operations; Transporting | 2 | Active |
| US10886863B2 | Motor driving control device and motor control method | Electricity | 2 | Active |
| US10153715B2 | Motor driving control device and motor driving control method | Emerging Cross-Sectional Technologies | 2 | Active |
| US10910979B2 | Motor drive control device and motor drive control method | Electricity | 2 | Active |
| US8828714B2 | Method of evaluating elimination of microoganisms and apparatus for evaluating elimination of microorganisms | Chemistry; Metallurgy | 2 | Active |
| US10476415B2 | Motor drive control device and motor drive control method | Electricity | 1 | Active |
| US10236804B2 | Motor driving control device and motor driving control method | Electricity | 1 | Active |
| US10498265B2 | Motor drive control device and motor drive control method | Electricity | 1 | Active |
| US9748879B2 | Motor drive controller and control method of motor drive controller | Electricity | 1 | Active |
| US11088646B2 | Motor driving control device and motor driving control method | Electricity | 1 | Active |
| US9219436B2 | Driving control device of motor | Electricity | 1 | Active |
| US10897221B2 | Motor control circuit and motor controller | Electricity | 0 | Active |
| US9543866B2 | Motor drive controller and method for detecting rotation state | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.