Hidekazu Harada
11Patents
8h-index
22Co-inventors
72Inventor score
Filing activity: Jun 6, 1983 → Oct 19, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7196911B2 | DC power source unit with battery charging function | Electricity | 981 | Expired |
| US7185998B2 | Power tool | Emerging Cross-Sectional Technologies | 99 | Expired |
| US7934847B2 | Power tool with light unit | Emerging Cross-Sectional Technologies | 39 | Active |
| US7296323B2 | Dust collector | Performing Operations; Transporting | 35 | Expired |
| US8517558B2 | Power tool | Emerging Cross-Sectional Technologies | 21 | Active |
| US4656003A | Copper alloy and production of the same | Chemistry; Metallurgy | 14 | Expired |
| US6420853B1 | Battery charger capable of accurately determining fully charged condition regardless of batteries with different charge chracteristics | Electricity | 9 | Expired |
| US7145314B2 | DC power source unit with battery charging function | Electricity | 8 | Expired |
| US7064523B2 | Battery charger capable of accurately detecting battery temperature for full charge determination | Electricity | 4 | Expired |
| US4430298A | Copper alloys for electric and electronic devices and method for producing same | Chemistry; Metallurgy | 4 | Expired |
| US4591484A | Lead materials for semiconductor devices | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.