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NAGASHIMA IMONO KK

Overview
  • Total Patents
    118
  • GoodIP Patent Rank
    205,183
About

NAGASHIMA IMONO KK has a total of 118 patent applications. Its first patent ever was published in 1983. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are FEDERAL NOE GUP AZOVSKIJ NII R, WANG HAOGUI and T SEL SKOGO KHOZJAJSTVA.

Patent filings in countries

World map showing NAGASHIMA IMONO KKs patent filings in countries
# Country Total Patents
#1 Japan 118

Patent filings per year

Chart showing NAGASHIMA IMONO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Inoue Takashi 27
#2 Otsuka Shogo 19
#3 Nagashima Hirotaka 18
#4 Ishikawa Masaru 16
#5 Imadegawa Kazuaki 9
#6 Shimada Yasushi 9
#7 Oraku Mikio 7
#8 Takahashi Akira 7
#9 Utano Masatoshi 4
#10 Shimura Hiromasa 4

Latest patents

Publication Filing date Title
JP2017020249A Receiving frame height adjustment device for underground structure
JP2016180286A Protection device for surface treatment part of manhole iron cover or the like
JP2016130434A Floatation preventing device for underground structure receiving frame
JP2016041873A Retainer frame in iron cover for underground structure
JP2015094107A Manhole iron cover having pavement material layer
JP2015031121A Specific information display of manhole cover
JP2014077249A Irregular crack prevention method in back filling method of manhole cover and dividing member used for irregular crack prevention method
JP2013189819A Receiving frame height adjusting device for underground structure
JP2013117101A Device for protecting peripheral edge part of iron cover for underground structure
JP2012197607A Removal apparatus for manhole cover
JP2012197574A Tapered fitting releasing device in iron cover for underground structure
JP2012177251A Tapered fitting cancellation apparatus in iron cover for underground structure
JP2012117272A Slip prevention structure of iron lid for underground structure
JP2012097472A Device for indicating position of anchor bolt in iron cover for underground structure
JP2012097448A Device for indicating position of anchor bolt in iron cover for underground structure
JP2012052381A Taper-fitted lid device in underground structure
JP2011132797A Taper fitting cover device
JP2011190582A Cover for underground structure
JP2011032834A Locking device for cover body for underground structure
JP2011001752A Designed iron cover for underground structure