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SOGO PUMP SEISAKUSHO

Overview
  • Total Patents
    40
About

SOGO PUMP SEISAKUSHO has a total of 40 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and United States. Its main competitors in its focus markets environmental technology, chemical engineering and engines, pumps and turbines are SILVERSON MACHINES LTD, JI HYUN SOOK and BEHAM HANS.

Patent filings in countries

World map showing SOGO PUMP SEISAKUSHOs patent filings in countries
# Country Total Patents
#1 Japan 39
#2 United States 1

Patent filings per year

Chart showing SOGO PUMP SEISAKUSHOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kobayashi Kazunari 16
#2 Oonishi Shinjirou 14
#3 Yano Toshio 9
#4 Tsukibe Shiyouzou 9
#5 Shinno Takuji 7
#6 Sakata Tsuneo 2
#7 Tsukube Syozo 1
#8 Itou Mitsugi 1
#9 Onishi Shinjiro 1
#10 Inoue Yoshinori 1

Latest patents

Publication Filing date Title
JP2011058409A Vortex type centrifugal pump
JP2005202736A Pressure reducing valve system
JP2005083502A Pressure reducing valve device
JP2002122092A Double pump
JP2000240586A Pumping device
JP2000120577A Combination pump device
JPH11210669A Vertical type magnet pump
JPH1031520A Pressure control valve
JPH09112481A Discharge characteristic control type centrifugal pump
JPH0979174A Delivery characteristic control type centrifugal pump
JPH08261195A Centrifugal pump
JPH0821393A Automatic priming device for pump
JPH06101688A Discharge characteristic controlling type centrifugal pump
JPH06101687A Discharge characteristic controlling type centrifugal pump
JPS63277892A Pressure control for air conditioning pump
JPS63277893A Air conditioning pump system performing pressure control
JPS5979095A Control device for obtaining constant delivery amount of pump
JPS5713299A Pump power consumption saving operation system
JPS5672289A Constant delivery pressure pump
JPS5641488A Pump for impurities