AMOTECH CO., LTD.
176Patents
167Active
176Granted
59Portfolio score
Filing activity: Feb 13, 2001 → Apr 7, 2023 · 17 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6992419B2 | Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same | Emerging Cross-Sectional Technologies | 64 | Expired |
| US7356906B2 | Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same | Emerging Cross-Sectional Technologies | 29 | Expired |
| US7443074B2 | Apparatus for driving drum of washing machine | Emerging Cross-Sectional Technologies | 26 | Active |
| US7652406B2 | Apparatus for driving drum of washing machine | Emerging Cross-Sectional Technologies | 25 | Active |
| US7944112B2 | Method of making integrated stator, brushless direct-current motor of radial core type double rotor structure using the integrated stator, and method of making the same | Electricity | 18 | Active |
| US9391499B2 | Amorphous divided-core stator and axial-gap-type motor using same | Electricity | 18 | Active |
| US7960893B2 | Method of making integrated stator, brushless direct-current motor of radial core type double rotor structure using the integrated stator, and method of making the same | Electricity | 18 | Active |
| US8368283B2 | Stator for BLDG motor BLDC motor having double rotors/ single stator and vehicle cooler using the same | Electricity | 16 | Active |
| US10778071B2 | Stacking-type stator using multi-layered substrate, and in-car sensor using same | Electricity | 14 | Active |
| US8987962B2 | Double-stator/double-rotor type motor and direct drive apparatus for washer using same | Electricity | 12 | Active |
| US10748689B2 | Slim-type stator, sensorless single-phase motor using same, and cooling fan | Electricity | 12 | Active |
| US9988752B2 | Washing machine motor and washing machine comprising same | Textiles; Paper | 11 | Active |
| US10511201B2 | Stacking-type stator using multilayer printed circuit board, and single-phase motor and cooling fan using same | Electricity | 11 | Active |
| US8268092B2 | Magnetic sheet for radio frequency identification antenna, method of manufacturing the same, and radio frequency identification antenna using the same | Electricity | 11 | Active |
| US9896794B2 | Driving apparatus for direct-drive type washing machine | Textiles; Paper | 11 | Active |
| US9976243B2 | Washing machine motor and washing machine comprising same | Textiles; Paper | 11 | Active |
| US9392925B2 | Motor drive device for washing machine and motor control method thereof | Emerging Cross-Sectional Technologies | 11 | Active |
| US9312743B2 | Motor for washing machine, method for manufacturing same, and washing machine having same | Emerging Cross-Sectional Technologies | 11 | Active |
| US9124161B2 | Double-stator/double-rotor type motor and direct drive apparatus for washer using same | Electricity | 11 | Active |
| US9577554B2 | Multi-motor driving device and apparatus and method of driving motor for washing machine using same | Emerging Cross-Sectional Technologies | 10 | Active |
| US7687969B2 | Method of making integrated stator, brushless direct-current motor of radial core type double rotor structure using the integrated stator, and method of making the same | Electricity | 10 | Active |
| US8816542B2 | Slim type stator and method of making the same, slim type motor having the stator, and direct drive apparatus for drum-washing machine | Emerging Cross-Sectional Technologies | 8 | Active |
| US8747082B2 | Electric water pump | Electricity | 6 | Active |
| US6678511B2 | Circuit for correcting pass band flatness | Electricity | 5 | Expired |
| US8839503B2 | Method for manufacturing stator for electric water pump | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.