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CHIBA AKIRA

Overview
  • Total Patents
    25
About

CHIBA AKIRA has a total of 25 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets electrical machinery and energy, mechanical elements and environmental technology are SYNCHRONY INC, CHIEFTEK PREC CO LTD and CHOKUTOKU KAGI KOFUN YUGENKOSHI.

Patent filings in countries

World map showing CHIBA AKIRAs patent filings in countries
# Country Total Patents
#1 Japan 16
#2 United States 6
#3 Canada 2
#4 EPO (European Patent Office) 1

Patent filings per year

Chart showing CHIBA AKIRAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chiba Akira 24
#2 Fukao Tadashi 16
#3 Maejima Yasushi 3
#4 Ogawa Kazunobu 2
#5 Michioka Chikara 2
#6 Konishi Yoshiaki 2
#7 Takemoto Masatsugu 2
#8 Michioka Tsutomu 2
#9 Sudo Hiroshi 2
#10 Wada Yoshihiko 2

Latest patents

Publication Filing date Title
JP2004357489A Unidirectionally magnetized permanent magnet motor
JP2004140882A Bearingless rotary machine
JP2004120986A Sensor-less bearing-less rotary machine
JP2002272070A Feedback control of radial force and speed in bearingless motor
JP2002272028A Structure of magnet-embedded rotor with salient poles for bearing less motor
JP2002253576A Dental handpiece
CA2393774A1 Drinking element
JP2001258290A Method for constructing independent control system for rotating machine having no magnetic flux detection bearing
JP2001258296A Constitution of homopolar power generation electric system having wide speed range and its control method
JP2001190092A Induction-type bearingless motor with generation function
JPH10146100A Radial direction rotating body position controller
JPH10136622A Homopolar reluctance motor
CA2191736A1 Switched-reluctance rotary machine
JPH09247910A Rotary machine with winding for controlling position in radial direction and turning device
JPH08275449A Driving apparatus
JPH08223857A Electromagnetic rotating machine
JPH08214519A Both-saliency motor-generator using permanent magnet
JPH02193547A Electromagnetic rotary machine with radial position controller for rotary body utilizing rotary magnetic field of motor