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SUMITOMO MITSUI CONSTR CO LTD

Overview
  • Total Patents
    455
  • GoodIP Patent Rank
    79,829
About

SUMITOMO MITSUI CONSTR CO LTD has a total of 455 patent applications. Its first patent ever was published in 2002. It filed its patents most often in Japan, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, civil engineering and electrical machinery and energy are SHANGHAI JIUNENG ENERGY TECHNOLOGY DEV CO LTD, KUNSHAN FUERSAI ENERGY CO LTD and YOJU TANSANENGATA NENRYO DENCH.

Patent filings in countries

World map showing SUMITOMO MITSUI CONSTR CO LTDs patent filings in countries

Patent filings per year

Chart showing SUMITOMO MITSUI CONSTR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kasuga Akio 59
#2 Kosaka Hideyuki 33
#3 Matsuzaki Masatoyo 26
#4 Oda Minoru 26
#5 Matsumoto Keiji 24
#6 Mikami Hiroshi 21
#7 Manabe Koji 19
#8 Nakamura Kazushi 18
#9 Asai Hiroshi 18
#10 Yamada Tetsuya 15

Latest patents

Publication Filing date Title
JP2016040447A Distortion suppressing method of precast girder and joining method of precast girder
JP2014222016A Frame structure of tabular multi-dwelling house
JP2016000917A Floor plan of residential unit in housing complex
JP2015004267A Existing tunnel demolition method
JP2015004265A Renewal method of existing utility tunnel
JP2015004266A Shield machine
JP2015127496A Assembling method of shield machine and assembling device of shield machine
JP2015209640A Shield tunneling machine
JP2015190243A Water jet device and boring method using water jet device
JP2015183450A building
JP2015169031A Joining structure of precast wall handrail
JP2015169041A Attachment structure of interior wall, attachment method and support member of interior wall
JP2015168960A Soundproof structure of temporary enclosure for construction site, and tip-improved type silencer
JP2015168091A Method and apparatus for manufacturing pre-stressed concrete member
JP2015158108A Apartment room layout structure for housing complex
JP2015158100A reinforced concrete structural wall
JP2015151703A Construction method of dirt-floor concrete
JP2015148084A Foundation structure for structure
JP2015145606A Air conditioner drainage structure of multistory building
JP2015132138A Structure of building