Tomio Yoshikawa
14Patents
8h-index
29Co-inventors
72Inventor score
Filing activity: Jun 11, 1984 → Dec 28, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5224354A | Control system for refrigerating apparatus | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5058389A | Fluid temperature control system and computer system using same | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US4910968A | Refrigerating apparatus | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5335708A | Cooling apparatus and temperature control method therefor | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4557114A | Control circuit for air conditioner | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5097670A | Water chilling method and apparatus for the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7531934B2 | Self-start synchronous motor with permanent magnets and at least one frictional agitation joint, method for manufacturing the same and compressor comprising the same | Electricity | 10 | Active |
| US5201187A | System for controlling cooling equipment | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7772736B2 | Permanent magnet synchronous motor, rotor of the same, and compressor using the same | Electricity | 6 | Active |
| US7453181B2 | Permanent magnet synchronous motor and compressor using the same | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7501734B2 | Motor, compressor, and air conditioner | Electricity | 2 | Active |
| US8405272B2 | Self-starting permanent magnet synchronous motor and compressor and refrigeration cycle using the same | Electricity | 1 | Active |
| US8836192B2 | Axial gap rotating electrical machine and rotor used therefor | Electricity | 1 | Active |
| US7902713B2 | Self-starting type permanent magnet synchronous motor and a compressor using the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.