Inventor · Soma, JP

Tetsuhiro Ishikawa

119Patents
16h-index
85Co-inventors
89Inventor score

Filing activity: Mar 28, 2001 → Oct 16, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8008888B2 Electrical powered vehicle and power feeding device for vehicle Emerging Cross-Sectional Technologies 55 Active
US7582979B2 Electric power supply system Emerging Cross-Sectional Technologies 34 Active
US7486036B2 Power control apparatus, electrically powered vehicle and power control method of power system Emerging Cross-Sectional Technologies 33 Active
US8103386B2 Power system Emerging Cross-Sectional Technologies 32 Active
US8188710B2 Motored vehicle and method of controlling voltage conversion device for rapidly charging a power storage device Emerging Cross-Sectional Technologies 32 Active
US7795844B2 Power supply system, vehicle with the same and temperature managing method Emerging Cross-Sectional Technologies 31 Active
USD602433S1 Battery connector for automotive General 28 Expired
US6930460B2 Load driver with power storage unit Emerging Cross-Sectional Technologies 27 Expired
USD603337S1 Battery connector for automobile General 27 Expired
US7649335B2 Vehicular power supply system and vehicle Emerging Cross-Sectional Technologies 27 Active
US7891451B2 Power controller and vehicle equipped with power controller Emerging Cross-Sectional Technologies 25 Active
US8063605B2 Charging device for an electric vehicle, electric vehicle equipped with the charging device and control method for charging an electric vehicle Emerging Cross-Sectional Technologies 23 Active
US6920948B2 DC power supply using fuel cell Emerging Cross-Sectional Technologies 22 Expired
US7550861B2 AC power supplying system, power supply apparatus, and vehicle having the same Emerging Cross-Sectional Technologies 21 Active
US7764051B2 Alternating voltage generation apparatus and power output apparatus Emerging Cross-Sectional Technologies 17 Active
US8058836B2 Power system and method for supplying AC power Emerging Cross-Sectional Technologies 16 Active
US8515607B2 Hybrid vehicle controller Emerging Cross-Sectional Technologies 16 Active
US7583050B2 DC power source with fuel cell and electric power storage device Emerging Cross-Sectional Technologies 16 Expired
US8212520B2 Resonance type non-contact charging device Emerging Cross-Sectional Technologies 16 Active
US7362597B2 AC voltage generating apparatus and motive power outputting apparatus Emerging Cross-Sectional Technologies 16 Expired
US7265455B2 Alternating voltage output apparatus and vehicle including such alternating voltage output apparatus Emerging Cross-Sectional Technologies 15 Expired
US7859201B2 Charge control apparatus, electrically powered vehicle and electric storage charge control method Emerging Cross-Sectional Technologies 14 Active
US8368352B2 Charging and discharging system and electric-powered vehicle Emerging Cross-Sectional Technologies 14 Active
US6819066B2 Electric motor vehicle Emerging Cross-Sectional Technologies 14 Expired
US7609022B2 Power supply system for vehicle with improved energy efficiency and vehicle including the same Emerging Cross-Sectional Technologies 13 Expired

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