Koosuke Harada
8Patents
5h-index
12Co-inventors
60Inventor score
Filing activity: Jun 2, 1975 → Apr 28, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4772994A | Power source using high-frequency phase control | Electricity | 204 | Expired |
| US5850045A | Magnetostrictive stress sensor and apparatus applying same | Physics | 23 | Expired |
| US4926302A | Switching power source device | Electricity | 22 | Expired |
| US4800476A | PWM inverter with a saturable core | Electricity | 19 | Expired |
| US4553199A | High frequency power supply device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4122392A | System of detecting a change in the charge put in a metallurgical furnace or the like | Chemistry; Metallurgy | 4 | Expired |
| US5986908A | Magnetic-coupling multivibrator | Electricity | 2 | Expired |
| US3993960A | Magnetic signal mixing amplifier | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.