Keiko Yasui
5Patents
4h-index
11Co-inventors
46Inventor score
Filing activity: Jun 16, 2003 → Oct 6, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7049559B2 | Flexible PTC heating element and method of manufacturing the heating element | Electricity | 47 | Expired |
| US8180207B2 | Heat exchanger | Mechanical Engineering; Lighting; Heating | 29 | Active |
| US7675004B2 | Heating element and production method thereof | Electricity | 22 | Active |
| US7920779B2 | Heat exchanger and washing apparatus comprising the same | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8367987B2 | Flexible PTC heating element and method of manufacturing the heating element | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.