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HOKUTO SEIGYO KK

Overview
  • Total Patents
    50
  • GoodIP Patent Rank
    123,296
  • Filing trend
    ⇧ 50.0%
About

HOKUTO SEIGYO KK has a total of 50 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy, computer technology and environmental technology are NEULAND PATENTS LIMITED, HOKUTO CONTROL CO LTD and RIBBE PAUL.

Patent filings in countries

World map showing HOKUTO SEIGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 50

Patent filings per year

Chart showing HOKUTO SEIGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Kiyoshi 50
#2 Hara Minoru 3
#3 Katagiri Yasuhiro 1

Latest patents

Publication Filing date Title
JP2020191769A Electric motor demagnetization detection method
JP2020078194A Motor driving method
JP2019208300A Method for detecting field position of electric motor
JP2019195241A Method for estimating inductance electromotive voltage of motor and method for estimating field position
JP2019017235A Field position detection method for electric motor
JP2018129930A Method of driving sensorless motor
JP2018098915A Magnetic field position error correction method for motor
JP2018078695A Field position detection method for electric motor
JP2018014773A Sensorless motor rotor position detection method and sensorless motor driver
JP2017143612A Sensorless starting method for three-phase brushless motor
JP2017139871A Rotation direction discrimination method for three-phase brushless motor
JP2017131000A Sensorless drive method for three-phase brushless motor
JP2017034767A Sensorless drive method for three-phase brushless motor
JP2017022867A Motor driving method
JP2014204744A Medication management device
JP2014087217A Motor drive apparatus
JP2014087113A Motor Drive device
JP2014044017A Air exhauster and heating device using the same
JP2013221728A Auxiliary heating device
JP2013213627A Heater