Keiichi Yoshisaka
8Patents
3h-index
13Co-inventors
50Inventor score
Filing activity: Dec 18, 1992 → Mar 2, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5390506A | Electric power supply apparatus of air condition control machine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US8305780B2 | Power conversion apparatus controlling output of inverter based on power value | Electricity | 13 | Active |
| US5400017A | Transmission apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8102686B2 | Rectifier with PAM controller to force an input current to approximate a sine wave | Emerging Cross-Sectional Technologies | 3 | Active |
| US8270187B2 | Electric power supply circuit with PAM waveform correction | Electricity | 1 | Active |
| US7257954B2 | Function switching method, function switching apparatus, data storage method, data storage apparatus, device, and air conditioner | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US8218342B2 | Power supply device | Emerging Cross-Sectional Technologies | 0 | Active |
| US8385095B2 | Electric power supply circuit and PAM control method for the same | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.