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ISHIKAWAJIMA KENZAI KOGYO KK

Overview
  • Total Patents
    992
  • GoodIP Patent Rank
    230,025
About

ISHIKAWAJIMA KENZAI KOGYO KK has a total of 992 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, United Kingdom and United States. Its main competitors in its focus markets environmental technology, civil engineering and machine tools are PROEKTNOIZYSKATELSKIJ NII GIDR, YAKIMOV EVGENIJ P and XI'AN TRIONES DIGITAL INFORMATION CO LTD.

Patent filings in countries

World map showing ISHIKAWAJIMA KENZAI KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 990
#2 United Kingdom 1
#3 United States 1

Patent filings per year

Chart showing ISHIKAWAJIMA KENZAI KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ozeki Munetaka 281
#2 Hashimoto Hirohide 213
#3 Someya Hiroki 99
#4 Matsui Katsunori 68
#5 Wakabayashi Masanori 59
#6 Kobayashi Kazuhiro 55
#7 Saito Mitsuo 48
#8 Miura Akihiko 45
#9 Kunito Takashi 44
#10 Minezaki Akihiro 40

Latest patents

Publication Filing date Title
JP2014139404A Segment
JP2015001491A Radioactive material extraction device and radioactive material extraction system
JP2014240799A Decommissioning method and decommissioning system of nuclear reactor
JP2014141384A Neutron shielding concrete
JP2013195091A Radioactive waste storing container
JP2013186011A Radioactive decontamination system and radioactive decontamination method
JP2013083513A Low-level radioactive waste storage container
JP2013083065A Construction method for cylindrical structure
JP2013083066A Construction method for cylindrical structure
JP2013083511A Tubular structure
JP2013014898A Underground shelter
JP2012117326A Water cut-off structure of grout hole
JP2012087594A Segment joint structure and male joint fixing method
JP2012072607A Manufacturing method of segment and manufacturing facility of segment
JP2012052352A Segment
JP2011127307A Joint structure
JP2011094307A Segment
JP2011056767A Method for manufacturing concrete product, film sheet used for the method, and concrete product manufactured by the method
JP2010236337A Wall panel and method of installing exterior wall
JP2010222811A Segment joint structure and form for manufacturing the segment