Minoru Sudo
28Patents
14h-index
14Co-inventors
74Inventor score
Filing activity: Nov 17, 1993 → Mar 28, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6980181B2 | LED drive circuit | Electricity | 90 | Expired |
| US5742148A | Charge/discharge control circuit and chargeable electric power source apparatus | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6100675A | Switching regulator capable of increasing regulator efficiency under light load | Electricity | 44 | Expired |
| US6242890A | Charge/discharge control circuit and chargeable electric power source apparatus | Electricity | 31 | Expired |
| US5998974A | Charge/discharge control circuit and chargeable electric power source apparatus | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5841265A | Charge/discharge control circuit and chargeable electric power source apparatus | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6281668A | Switching regulator control circuit of PFM system and switching regulator thereof | Electricity | 20 | Expired |
| US7956593B2 | Power generation circuit using electromagnetic wave | Electricity | 20 | Active |
| US6087807A | Charge/discharge control circuit and chargeable electric power source apparatus | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6097177A | Charge/discharge control circuit and chargeable electric power source apparatus | Electricity | 18 | Expired |
| US6127808A | Overcharge/overdischarge detecting circuit having a reset means and chargeable electric power source apparatus | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6181108A | Overcharge/overdischarge detecting circuit having current detecting means with latch function and chargeable electric power source apparatus | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6054841A | Charge/discharge control circuit and chargeable electric power source apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6208123A | Voltage regulator with clamp circuit | Physics | 15 | Expired |
| US6801033B2 | Voltage converter having switching element with variable substrate potential | Electricity | 12 | Expired |
| US7855429B2 | Electronic circuit device having silicon substrate | Electricity | 12 | Active |
| US6078170A | Switching regulator control circuit of PWM system and switching regulator thereof | Electricity | 12 | Expired |
| US6586958B2 | Voltage converter having switching element with variable substrate potential | Electricity | 11 | Expired |
| US5982150A | Charge/discharge control circuit and chargeable electric power source apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6275014A | Switching regulator circuit capable of eliminating power supply recharging operation by reverse coil current | Electricity | 9 | Expired |
| US7225675B2 | Capacitance type dynamic quantity sensor | Physics | 5 | Expired |
| US7594435B2 | Humidity sensor and semiconductor device including the same | Physics | 5 | Active |
| US8675323B2 | Method of manufacturing a package | Electricity | 3 | Active |
| US7095212B2 | Battery pack with a remaining battery power calculating function | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6300751A | Switching regulator control circuit avoiding break-down of the switching element | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.