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KUROGANE KOSAKUSHO LTD

Overview
  • Total Patents
    284
  • GoodIP Patent Rank
    35,122
  • Filing trend
    ⇩ 57.0%
About

KUROGANE KOSAKUSHO LTD has a total of 284 patent applications. It decreased the IP activity by 57.0%. Its first patent ever was published in 1985. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets civil engineering and furniture and games are WEIKERT RUDOLF, Jiangsu jinqiuzhu group co ltd and MILITEC CO LTD.

Patent filings in countries

World map showing KUROGANE KOSAKUSHO LTDs patent filings in countries
# Country Total Patents
#1 Japan 283
#2 Republic of Korea 1

Patent filings per year

Chart showing KUROGANE KOSAKUSHO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Tagami Mine 46
#2 Matsui Kazuhiro 26
#3 Ukita Hidemasa 22
#4 Matsuba Kaoru 17
#5 Kikuta Ko 15
#6 Eishi Toshio 13
#7 Sakai Nozomi 12
#8 Hara Taichiro 10
#9 Ito Takayuki 10
#10 Hiraoka Hiroshi 10

Latest patents

Publication Filing date Title
JP2020202942A Combined desk
JP2020202943A Book shelf
JP2020190107A Stopper device of sliding door
JP2020171487A Desktop storage shelf
JP2020165095A Fitting mounting frame structure
JP2020116144A Desk with wiring duct
JP2019208863A Combination desk
JP2019190012A Two-opening compatible door unit
JP2019124006A Door unit for double apertures
JP2019107265A Handle case in furniture
JP2019103595A Medical console unit
JP2019085794A Sliding door device having shock resistance
JP2019015114A Free stopper mechanism for sliding door
JP2018183488A Combination desk
JP2018183489A Combination desk
JP2018159228A Outset sliding door device
JP2018089060A Storage facility unit for sickroom or the like
JP2017205477A Combination desk
JP2018033789A Facility unit for ward
JP2018031118A Sliding door device