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PENTA OCEAN CONSTRUCTION

Overview
  • Total Patents
    1,550
  • GoodIP Patent Rank
    32,711
About

PENTA OCEAN CONSTRUCTION has a total of 1,550 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Japan, Singapore and China. Its main competitors in its focus markets environmental technology, civil engineering and materials and metallurgy are JOMO RYOKUSAN KOGYO KK, TOA HARBOR WORKS CO LTD and KUSATAKE SUGIAKI.

Patent filings in countries

World map showing PENTA OCEAN CONSTRUCTIONs patent filings in countries

Patent filings per year

Chart showing PENTA OCEAN CONSTRUCTIONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oda Yasuhiro 117
#2 Ikeda Shozo 68
#3 Takahashi Masashi 56
#4 Shigematsu Bunji 53
#5 Niiya Hiroshi 50
#6 Tani Yuichi 46
#7 Kumagai Takahiro 41
#8 Hara Shuichi 38
#9 Ueda Masaki 36
#10 Tanaka Kiyoshi 33

Latest patents

Publication Filing date Title
CN107003174A Bulk material detection means and mesa-shaped thing build method
JP2015214335A Underwater inspection device and underwater camera apparatus for this device
JP2015178762A Fluidization treatment soil
JP2016042069A Concrete surface layer quality evaluation device and concrete surface layer quality evaluation method
JP2016037747A Ground improvement method by chemical injection and assembly structure of improvement bodies
JP2016035153A Final junction method for submerged tunnel
JP2016023429A Working box and water cut-off method for the working box
JP2016020257A Suspension position measurement device for floating crane and suspension position measurement method of floating crane
JP2016017270A Storage-type tide embankment
JP2016017268A Filler injection method, form, and structure
JP2016017273A Structure and method for reinforcing existing coastal structure
JP2016014291A Water suction pipe system, groundwater level lowering method and saturated ground compaction method
JP2016014256A Vacuum consolidation method combined with banking
JP2014170015A Underwater inspection system
JP2016003461A Construction method for concrete structure
JP2016002020A Coral adhering structure
JP2015221964A Method for guiding object to target position underwater
JP2015209710A Compaction method for saturated ground
JP2015207094A Vehicle destination management device and destination management method
JP2015203600A object detection system