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SANGO CO LTD

Overview
  • Total Patents
    819
  • GoodIP Patent Rank
    9,496
  • Filing trend
    ⇩ 23.0%
About

SANGO CO LTD has a total of 819 patent applications. It decreased the IP activity by 23.0%. Its first patent ever was published in 1970. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, machine tools and machines are UMEX KK, SAKAMOTO KOGYO KK and TIANJIN CITY SHENCHI AUTOMOBILE PARTS CO LTD.

Patent filings per year

Chart showing SANGO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Irie Toru 58
#2 Hase Shuichi 46
#3 Ota Shinji 35
#4 Irie Tohru 35
#5 Sekido Yutaka 30
#6 Morikawa Akinobu 29
#7 Nozu Kentaro 27
#8 Tsuchiya Yoshihiro 22
#9 Taniguchi Hideaki 21
#10 Yokoi Masayuki 20

Latest patents

Publication Filing date Title
WO2021044689A1 Method for extrusion-molding differential-thickness pipe, and device for extrusion-molding differential-thickness pipe
WO2021024572A1 Method for manufacturing cylindrical member
JP2020175440A Metal mold for joining self-piercing rivet
WO2020129475A1 Method of producing exhaust treatment device
JP2020193618A Electric heating type catalyst device
JP2020199452A Cleaning device and cleaning method with use thereof
JP2020200780A Valve device
JP2020190236A Electric heating type catalyst device
JP2020186718A Exhaust emission control system
JP2020151969A Method for producing intermediate base material and molded product made of composite material containing thermoplastic resin and reinforcing fiber, and intermediate base material and molded product
JP2020151721A Mechanical clinch device of planar member
JP2020148181A Valve device of muffler
JP2020148153A Silencer
JP2020143620A Silencer
JP2020097048A Welding machine
JP2020094564A Exhaust emission control device
JP2020056393A Exhaust purification device
WO2019088263A1 Vehicle exhaust device
JP2020059059A Gas shield metal welding method
WO2019082639A1 Heat shield cover for exhausting device