Inventor · Osaka, JP

Junji Nishida

40Patents
10h-index
2Co-inventors
61Inventor score

Filing activity: Sep 12, 2002 → Sep 7, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US7012405B2 Charging circuit for secondary battery Electricity 48 Expired
US7319311B2 Step down switching regulator with the substrate of the switching transistor selectively connected to either its drain or source Emerging Cross-Sectional Technologies 37 Expired
US7482796B2 Switching regulator, power supply circuit and secondary cell charging circuit including the same Emerging Cross-Sectional Technologies 30 Active
US7205748B2 Charging circuit for secondary battery Electricity 23 Expired
US6803745B2 Battery pack charging apparatus and method Electricity 20 Expired
US7504805B2 Boost circuit Emerging Cross-Sectional Technologies 14 Active
US7098627B2 Method and apparatus for battery charging with constant current, constant voltage, and pulsed charging Electricity 14 Expired
US7659706B2 Current detector circuit and current-mode DC-DC converter using same Emerging Cross-Sectional Technologies 13 Active
US7852056B2 Switching regulator Electricity 12 Active
US7605573B2 Switching regulator providing slope compensation and voltage control method thereof Electricity 12 Active
US7274171B2 Charging circuit for secondary battery Electricity 10 Expired
US8368363B2 Current sensing circuit and switching regulator including the same Electricity 10 Active
US7560911B2 Step-up/step-down switching regulator Electricity 8 Active
US8258765B2 Switching regulator and semiconductor apparatus including the same Emerging Cross-Sectional Technologies 8 Active
US8766615B2 DC-DC converter control circuit and DC-DC converter including same Electricity 7 Active
US7843186B2 Switching regulator having high speed response Electricity 7 Active
US7576530B2 Switching regulator capable of efficient control at control mode change Emerging Cross-Sectional Technologies 6 Active
US8791748B2 Charge pump circuit and operation control method thereof Electricity 6 Active
US8212538B2 Hysteretic switching regulator and control method used therein Electricity 6 Active
US7804285B2 Control of operation of switching regulator to select PWM control or PFM control based on phase comparison Emerging Cross-Sectional Technologies 6 Active
US8289000B2 Charge control circuit Emerging Cross-Sectional Technologies 6 Active
US7624292B2 Battery power detection device Physics 6 Active
US7782011B2 Battery pack charging apparatus and method for constant current and constant voltage charging of multiple battery packs Electricity 5 Expired
US7679942B2 Step-down DC-to-DC converter Emerging Cross-Sectional Technologies 5 Active
US7629775B2 Battery connection detection circuit Emerging Cross-Sectional Technologies 5 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.