Kosaku Ichikawa
7Patents
7h-index
10Co-inventors
56Inventor score
Filing activity: Oct 24, 1984 → Aug 28, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6229722A | Multiple inverter system | Electricity | 104 | Expired |
| US5790396A | Neutral point clamped (NPC) inverter control system | Electricity | 71 | Expired |
| US5929665A | Power converter with voltage drive switching device monitored by device parameters and electric parameters | Electricity | 67 | Expired |
| US6392907B1 | NPC inverter control system | Electricity | 29 | Expired |
| US6285235A | Gate control circuit for voltage drive switching element | Electricity | 18 | Expired |
| US6272028A | Power converter apparatus | Electricity | 15 | Expired |
| US4675800A | Power converter with a failure detector of a self-turn-off semiconductor element | Electricity | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.