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KOKUSAN DENKI CO

Overview
  • Total Patents
    1,631
  • GoodIP Patent Rank
    139,581
About

KOKUSAN DENKI CO has a total of 1,631 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and electrical machinery and energy are OPTIMIZER CONTROL CORP, MAHLE ELECTRIC DRIVES JAPAN CORP and SEM AB.

Patent filings per year

Chart showing KOKUSAN DENKI COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yugawa Hideki 101
#2 Nakagawa Masanori 96
#3 Suzuki Hidetoshi 93
#4 Inaba Yutaka 81
#5 Shimazaki Mitsuyoshi 65
#6 Kishihata Kazuyoshi 63
#7 Arakawa Yoshinobu 61
#8 Kinoshita Atsufumi 61
#9 Nito Hiroyasu 60
#10 Sato Hiroyasu 57

Latest patents

Publication Filing date Title
US2016118831A1 Battery charging device
WO2016001968A1 Ignition device for internal combustion engine
EP2982857A1 Internal combustion engine ignition device
JP2015174587A Battery come-off detection method of battery charger and battery charger
JP2015082571A Ignition device for internal combustion engine
JP2015070721A Permanent magnet rotary electric machine
JP2015070658A Dc motor
TW201440419A Control device for rotating electrical machine
JP2014152752A Electronic governor for engine
JP2014150677A Dc motor with brush
JP2014093986A Self-running type work vehicle, and running direction changing method for the work vehicle
WO2013069300A1 Vehicle provided with assist motor
JP2014040811A Method and device for controlling oil pump for two-cycle engine
JP2014040776A Engine control system
JP2014036481A Dc motor
JP2014033523A Electric work vehicle, battery device for the same, and battery monitoring device
CN103573454A Electronic control method for engine with oil supply system using carburetor
JP2014011868A Dc motor
JP2013244876A Traction control device for vehicle
JP2013236521A Dc motor