Keisuke Hattori
5Patents
1h-index
4Co-inventors
44Inventor score
Filing activity: Oct 31, 1978 → May 22, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4247951A | Frequency synthesizer with unauthorized frequency inhibiting means | Electricity | 5 | Expired |
| US10938297B2 | AC-DC conversion device and method for controlling same by controlling the timing of multiple switch portions | Electricity | 0 | Active |
| US11133671B2 | Control device and power conversion device | Emerging Cross-Sectional Technologies | 0 | Active |
| US10404157B2 | AC-DC conversion device and method for controlling same by controlling the timing of multiple switch portions | Electricity | 0 | Active |
| US10958476B2 | Data transmission device and data transmission method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.