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NIPPON DENSETSU KOGYO CO LTD

Overview
  • Total Patents
    63
  • GoodIP Patent Rank
    99,043
  • Filing trend
    ⇩ 25.0%
About

NIPPON DENSETSU KOGYO CO LTD has a total of 63 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 1976. It filed its patents most often in Japan and United Kingdom. Its main competitors in its focus markets environmental technology and machine tools are NAUCHNO-ISSLEDOVATEL'SKIJ INSTITUT TEKH I ORGANIZATSII PROIZVODSTVA DVIGATELEJ, JIANGSU CHAOYANG HYDRAULIC MECHANISM GROUP CO LTD and SP PK T B S O PROIZV V PROMY O.

Patent filings in countries

World map showing NIPPON DENSETSU KOGYO CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 62
#2 United Kingdom 1

Patent filings per year

Chart showing NIPPON DENSETSU KOGYO CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hichiwa Takashi 7
#2 Komiyama Jiro 7
#3 Sakurai Jiro 5
#4 Kito Kazumune 4
#5 Suzuki Yukiyoshi 4
#6 Oguchi Ryoichi 4
#7 Shimizu Akira 4
#8 Ideno Ichiro 3
#9 Hamada Takahiro 2
#10 Shimamura Takehisa 2

Latest patents

Publication Filing date Title
JP2020169020A Road-rail vehicle
JP2020181405A Estimation work support system and estimation work support program
JP2020168924A Switching method for road-rail vehicle
JP2020131730A Drawing transport device of spring type tension balancer
JP2020094375A Bolt insertion jig and construction method using bolt insertion jig
JP2020057732A Drawer cover, installation structure, and method of installing drawer cover in electrical device housing
JP2020047160A Estimation work support system and estimation work support program
JP2019109566A Attention calling system in construction site, portable unit for work supervisor, and attention calling method in construction site
JP2019016090A Confirmation device and program thereof
JP2019011556A Fall preventive net mounted on square column
JP2018196301A Electric wire extension system, and electric wire extension or electric wire removal method
JP2018107986A Wire tool
JP2018103838A Feeding circuit protection system, accident current detection method and electric corrosion prevention method
JP2017193211A Unit type locus transport vehicle
JP2017013926A Trough lid holding device
JP2015196590A Safety confirmation device
JP2015152369A Inspection device
JP2015021893A Inspection apparatus and power supply converter used with this inspection apparatus
JP2014012492A Trolley carrier
JP2011188741A Power indicator