Yoichi Morishima
14Patents
3h-index
19Co-inventors
57Inventor score
Filing activity: Dec 30, 1988 → Sep 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4999560A | Electric motor running system employing photovoltaic array | Emerging Cross-Sectional Technologies | 23 | Expired |
| US8110946B2 | Uninterruptible power supply | Electricity | 5 | Active |
| US8299648B2 | UPS at the recovery mode from the power failure | Electricity | 3 | Active |
| US9413224B2 | DC to AC power conversion device using switching elements | Electricity | 3 | Active |
| US9946237B2 | Energy management device, energy management system, and energy management method | Emerging Cross-Sectional Technologies | 3 | Active |
| US8606425B2 | Adjustable UPS protection | Electricity | 2 | Active |
| US7622823B2 | Uninterruptible power supply with low leakage current | Electricity | 2 | Active |
| US8036004B2 | Uninterruptible power supply with total isolation | Electricity | 1 | Active |
| US11258290B2 | Power supply apparatus | Electricity | 1 | Active |
| US9998029B2 | Inverter and inverter device | Electricity | 0 | Active |
| US10284094B2 | Current balance adjustment circuit and power conversion system | Electricity | 0 | Active |
| US11539223B2 | Charging/discharging apparatus | Electricity | 0 | Active |
| US11923789B2 | Power converter | Emerging Cross-Sectional Technologies | 0 | Active |
| US11527966B2 | Power conversion apparatus that judges system power failure based on system frequency and voltage | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.