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PENTA OCEAN CONSTRUCTION CO LTD

Overview
  • Total Patents
    290
  • GoodIP Patent Rank
    5,695
  • Filing trend
    ⇩ 1.0%
About

PENTA OCEAN CONSTRUCTION CO LTD has a total of 290 patent applications. It decreased the IP activity by 1.0%. Its first patent ever was published in 2009. It filed its patents most often in Japan, Singapore and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, civil engineering and basic materials chemistry are INC ENGINEERING CO LTD, JIANMING CHEN and YAMATATSUGUMI KK.

Patent filings in countries

World map showing PENTA OCEAN CONSTRUCTION CO LTDs patent filings in countries

Patent filings per year

Chart showing PENTA OCEAN CONSTRUCTION CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kumagai Takahiro 24
#2 Tanaka Yuichi 23
#3 Kotoura Takeshi 20
#4 Akimoto Teppei 20
#5 Ueno Kazuhiko 16
#6 Yasuno Koichiro 16
#7 Takeuchi Hiroyuki 15
#8 Ikeno Katsuya 15
#9 Taniguchi Osamu 14
#10 Takei Toshiya 12

Latest patents

Publication Filing date Title
JP2020056305A Submerged dyke construction material and submerged dyke structure using the same
JP2020193553A Head joint structure and joint method for pile columnar bodies
JP2021001497A Pile support structure and construction method of the same
JP2021001498A Formwork member for pile support structure and construction method of pile support structure using the same
JP2020172818A Method for repairing steel pipe pile
JP2020165801A Method for estimating specific surface area of powder, estimation device and program
JP2020165146A Pile head treatment method
JP2020160019A Method for measuring three-dimensional shape of object
JP2020160018A Quantity acceptance inspection system for load of vessel
JP2020159010A Installation method for fitting joint, vibrator applicable for this method and guard pipe
JP2020153096A Installation method of block body, and protection member used therefor
JP2020153112A Ground surface displacement estimation method
JP2020153111A Pier damage evaluation support device, evaluation method and program
JP2020147910A Ground improvement method, ground improvement device, and improved body
JP2020142670A Drainage device and drainage method for barge
JP2020133361A Quality management method of viscous soil loosening treatment and system
JP2020133302A Concrete structure, and manufacturing method of the same
JP2020131997A Device attaching method using unmanned flight vehicle
JP2020133162A Reinforcement method of pile support structure
JP2020134241A Aquatic mobile object monitoring method and aquatic mobile object monitoring system