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TOYO DENKI KOGYOSHO CO LTD

Overview
  • Total Patents
    106
About

TOYO DENKI KOGYOSHO CO LTD has a total of 106 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Australia and Belgium. Its main competitors in its focus markets engines, pumps and turbines, civil engineering and chemical engineering are TOYO DENKI IND CO LTD, ARAOKA TOSHINOBU and SANDVIK MINING AND CONSTRUCTION AUSTRALIA PRODUCTION/SUPPLY PTY LTD.

Patent filings per year

Chart showing TOYO DENKI KOGYOSHO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Araoka Toshinobu 71
#2 Araoka T 7
#3 Suzuki Shigeharu 6
#4 Toshinobu Araoka 5
#5 Yoshimizu Seiji 2
#6 Kubota Minoru 2
#7 1
#8 Araoka Toshinori 1

Latest patents

Publication Filing date Title
JP2003013877A Device for removing sand, earth, etc.
JP2003003982A Submerged stirring pump
JP2001004139A Fireplace apparatus also serving as foot warmer and its mounting structure
JP2000087389A Underwater excavator capable of ejecting jet water and underwater excavator capable of ejecting jet air
JPH1130337A Shaft seal device for underwater machine
JPH10258276A Suspended oil recovering device
JPH10258275A Suspended oil recovering device with transfer capability increasing function
JPH10146524A Method and apparatus for producing stable solution
JPH10174858A Fluid agitation device
JPH1066851A Agitating apparatus for enabling ascending and descending streams to collide with each other
JPH1026094A Method for supporting source cable to submerged machine and buoyancy exerting body used in the method
JPH109181A Multipurpose underwater pump
JPH109183A Underwater pump which can generate two-directional flow
JPH109182A Underwater pump having agitation suppressing function
JPH09291894A Pumping device provided with high-head pump
JPH09290104A Apparatus for processing fluid containing solid matter
JPH09287574A Framed pump and compound pump composed of the same
JPH09228978A Vortex pump
JPH08144989A Sumbergible pump with auxiliary air and water intake function
JPH07119681A Underwater pump