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SUMITOMO CONST

Overview
  • Total Patents
    349
About

SUMITOMO CONST has a total of 349 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Japan, United States and United Kingdom. Its main competitors in its focus markets civil engineering, mechanical elements and machines are METRO TOTAL CONSTRUCTION CO LTD, PRELOAD INTERNAT INC and HINO EISAKU.

Patent filings in countries

World map showing SUMITOMO CONSTs patent filings in countries

Patent filings per year

Chart showing SUMITOMO CONSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Arima Fumiaki 63
#2 Miyazaki Mitsuo 32
#3 Kumagai Shinichiro 21
#4 Kuroda Eiji 20
#5 Masuko Hiroshi 16
#6 Kondo Shinichi 15
#7 Noumori Masami 15
#8 Takase Norikatsu 15
#9 Kasuga Akio 14
#10 Doi Yoichi 13

Latest patents

Publication Filing date Title
JP2003262095A Tendon tension device
JP2003253808A Concrete member
JP2003253975A Shutter device for balcony
JP2003221869A Shutter device for balcony
JP2003170153A Equipment and method for decontaminating contaminated soil
JP2003155707A Diagonal member fixing part reinforcing structure for cable stayed bridge
JP2003138784A Damping top
JP2003138523A Construction method for tension string girder bridge
JP2003074111A Catch basin
JP2003064621A Hanging floor slab bridge and reinforcing method of hanging floor slab
JP2003049409A Arch rib erection method
JP2003049487A Connection structure between steel member and concrete member
JP2003027428A Method for constructing arch rib
JP2003027429A Method for constructing arch rib
JP2003027462A Construction method of underground continuous wall, and construction method of underground structure
JP2003013608A Repair method of concrete structure
JP2003013411A Method for repairing concrete bridge girder
JP2003003455A Compaction method of ground
JP2002371554A Method of purifying soil
JP2002371543A Method for purifying soil