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NAGATOMO RYUTAI KIKAI KENKYUSH

Overview
  • Total Patents
    15
About

NAGATOMO RYUTAI KIKAI KENKYUSH has a total of 15 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan. Its main competitors in its focus markets engines, pumps and turbines and mechanical elements are INTEGRAL LTD, ZHONG BIAO and QINGDAO LKC HYDRAULIC MACHINERY CO LTD.

Patent filings in countries

World map showing NAGATOMO RYUTAI KIKAI KENKYUSHs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing NAGATOMO RYUTAI KIKAI KENKYUSHs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Nagatomo Kuniyasu 15
#2 Cho Yu Jon 1
#3 Jung Yong Uk 1

Latest patents

Publication Filing date Title
JP2004251264A Pressure fluctuation reduction mechanism of piston pump
JP2004068796A Control mechanism of radial piston pump
JP2002364525A Pressure controlled radial piston pump
JP2002206475A Double-sided radial piston pump
JP2002021712A Double row radial piston pump
JP2001329946A Double-row radial piston pump
JP2001140754A Double piston pump
JP2000186664A Radial type hydraulic pump
JPH11303724A Electric, hydraulic composite transmission
JPH10339364A Radial piston type differential hydraulic motor
JPH10267108A Electric hydraulic composite transmission
JPH1089441A Compound mode hydraulic transmission
JPH1089440A Differential hydraulic motor
JPH0754766A Switching valve mechanism for hydraulic machine
JPH0754765A Switching valve mechanism for hydraulic machine