Inventor · Hitachinaka, JP

Kinya Nakatsu

97Patents
16h-index
93Co-inventors
87Inventor score

Filing activity: Jun 18, 1998 → Feb 25, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7742303B2 Electric power converter Emerging Cross-Sectional Technologies 57 Active
US6144571A Semiconductor module, power converter using the same and manufacturing method thereof Electricity 48 Expired
US7978471B2 Electric power conversion apparatus Emerging Cross-Sectional Technologies 40 Active
US7969735B2 Power converter Emerging Cross-Sectional Technologies 33 Active
US8376069B2 Power conversion apparatus and electric vehicle Electricity 31 Active
US7830689B2 Power converter Electricity 31 Active
US8064234B2 Power conversion apparatus Electricity 30 Active
US8240411B2 Power conversion apparatus and electric vehicle Electricity 29 Active
US7206204B2 Electric circuit module Electricity 29 Expired
US7504720B2 Semiconductor unit, and power conversion system and on-vehicle electrical system using the same Electricity 22 Active
US8587977B2 Power inverter Electricity 21 Active
US8416574B2 Electric power conversion apparatus Emerging Cross-Sectional Technologies 20 Active
US8952525B2 Semiconductor module and method for manufacturing semiconductor module Electricity 19 Active
US6496397B2 Inverter device Electricity 17 Expired
US7812443B2 Power semiconductor module for inverter circuit system Electricity 17 Active
US7745952B2 Electric circuit module with improved heat dissipation characteristics using a fixing tool for fixing an electric apparatus to a heat sink Emerging Cross-Sectional Technologies 16 Active
US6556464B2 PWM converter system Emerging Cross-Sectional Technologies 16 Expired
US7271557B2 AC motor driving apparatus and method of controlling the same Electricity 16 Active
US7692923B2 Power converter Electricity 15 Active
US8699254B2 Power inverter Electricity 15 Active
US9439332B2 Power module Emerging Cross-Sectional Technologies 14 Active
US5949663A Inverter apparatus capable of readily modification of the specification and performance thereof Electricity 14 Expired
US6486548B1 Semiconductor module and power converting apparatus using the module Electricity 13 Expired
US7952876B2 Electric power converter Emerging Cross-Sectional Technologies 13 Active
US9042101B2 Electric power conversion apparatus Emerging Cross-Sectional Technologies 12 Active

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