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C & S KOKUSAI KENKYUSHO KK

Overview
  • Total Patents
    48
  • GoodIP Patent Rank
    128,639
  • Filing trend
    ⇩ 75.0%
About

C & S KOKUSAI KENKYUSHO KK has a total of 48 patent applications. It decreased the IP activity by 75.0%. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy and environmental technology are TRINAMIC MOTION CONTROL GMBH & CO KG, AMPSON TECHNOLOGY INC and RIBBE PAUL.

Patent filings in countries

World map showing C & S KOKUSAI KENKYUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 48

Patent filings per year

Chart showing C & S KOKUSAI KENKYUSHO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Aranaka Shinji 48

Latest patents

Publication Filing date Title
JP2020202736A Drive control device for synchronous motor
JP2020184868A Inductance identification device for synchronous motor
JP2020028211A Phase estimation device for synchronous reluctance motor
JP2019037111A Drive system of double three-phase wound type permanent magnet synchronous motor
JP2019004677A Simulation, characteristic analysis, and control apparatus based on the same model with mathematical model of double three-phase winding permanent magnet synchronous type dynamo-electric motor
JP2018201319A Drive system of double three-phase wiring permanent magnet type synchronous motor
JP2018137969A Drive system of duplex three-phase wiring permanent magnet synchronous type motor
JP2018110481A Drive system for double three-phase winding permanent magnet synchronous motor
JP2018050441A Multiple AC motor drive system
JP2016019461A Phase generation device for induction motor
JP2016010309A Rotor magnetic flux estimation device for induction motor
JP2015171314A Drive controller of ac motor
JP2015154709A Drive controller for ac motor
JP2015089322A Digital rotor phase velocity estimation device of ac motor
JP2015039278A Digital rotor phase velocity estimation device of ac motor
JP2015037376A Digital rotor phase velocity estimation device of ac motor
JP2009219338A Rotor phase estimating device for synchronous electric motor
JP2008301695A Method for estimating phase of rotor for driving and controlling synchronous motor
JP2008295279A Rotor-phase velocity estimation unit of ac motor
JP2008263764A Phase estimation method of ac motor