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SANWA SEIKI MFG CO LTD

Overview
  • Total Patents
    593
  • GoodIP Patent Rank
    157,406
  • Filing trend
    0.0%
About

SANWA SEIKI MFG CO LTD has a total of 593 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1966. 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 environmental technology are FIAT SPA, KAMSKOE OB PROIZV BOLSHEGRUZNY and FAN WEIJUN.

Patent filings in countries

World map showing SANWA SEIKI MFG CO LTDs patent filings in countries

Patent filings per year

Chart showing SANWA SEIKI MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koyanagi Yuuzou 56
#2 Chiba Haruo 52
#3 Yoshizawa Shigeru 51
#4 Imazato Kazunari 41
#5 Sekiguchi Yuukichi 35
#6 Ookubo Takashi 29
#7 Sekiguchi Yukichi 28
#8 Nakazawa Toshiaki 24
#9 Kuroki Masaki 23
#10 Maeda Katsuhiro 23

Latest patents

Publication Filing date Title
JP2021001448A Wing opening/closing device of wing vehicle
JP2020189252A Oil recovery device
JP2020070697A Wing opening/closing device for wing vehicle
JP2019206954A Air compressor
JP2019014462A Cab tilting device
JP2018159389A Hydraulic actuator drive device
JP2018051710A Coolant cleaning device
JP2017025833A Air compressor
JP2016075229A Vane type vacuum pump
JP2015189250A Cab tilt device
JP2015136951A Wing vehicle and wing opening/closing device
JP2015124806A Hydraulic actuator drive unit and vehicular movable body operating device
JP2015075260A Header for heat exchanger, heat exchanger provided with the header, and manufacturing method of the header
JP2015052286A Vane pump
JP2014231851A Wing opening and closing device
JP2014202312A Hydraulic actuator drive unit and vehicle door operation device
JP2014159762A Fan drive device
JP2014092195A Transmission operation device
JP2013256921A Trochoidal displacement type transfer device
JP2013217396A Booster for gear shift operation