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YAMADA SEISAKUSHO KK

Overview
  • Total Patents
    811
  • GoodIP Patent Rank
    8,188
  • Filing trend
    ⇩ 12.0%
About

YAMADA SEISAKUSHO KK has a total of 811 patent applications. It decreased the IP activity by 12.0%. Its first patent ever was published in 1975. It filed its patents most often in Japan, United States and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, transport and machines are YAMADA MFG CO LTD, SUMITOMO EATON KIKI KK and UNISIA JKC STEERING SYS CO LTD.

Patent filings in countries

World map showing YAMADA SEISAKUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 792
#2 United States 14
#3 United Kingdom 3
#4 China 1
#5 Taiwan 1

Patent filings per year

Chart showing YAMADA SEISAKUSHO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujio Isao 61
#2 Miyajima Junichi 56
#3 Watanabe Takatoshi 47
#4 Izutsu Masato 34
#5 Kawashima Yoshinori 30
#6 Fujiki Kenichi 30
#7 Miyata Shigetoshi 30
#8 Hirooka Koji 27
#9 Ando Makoto 23
#10 Sato Osamu 23

Latest patents

Publication Filing date Title
JP2020079598A Electric pump
JP2020159550A Plug-in coupling joint
JP2020159354A Variable displacement oil pump
JP2020159514A Control valve
JP2020162318A Stator for motor
JP2020162316A Stator for motor
JP2020159500A Control valve
JP2020162317A Stator for motor and method for manufacturing the same
JP2020162315A Insulator
JP2020159312A Control valve
JP2020157888A Steering shaft and method for manufacturing steering shaft
JP2020157887A Steering shaft
JP2020153481A Fluid control valve device
JP2020153351A Internal gear pump
JP2020153350A Internal gear pump
JP2020153480A Flow control device
JP2020153349A Internal gear pump
JP2020143724A Metal insert fitting of insertion type connection joint, and insertion type connection joint
JP2020133412A Cooling system
JP2020118226A Bracket of plug-in type coupling joint