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HAYAMIZUGUMI KK

Overview
  • Total Patents
    13
About

HAYAMIZUGUMI KK has a total of 13 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are KY VNII STR DOROZHNOGO MASH, MATVEEV IGOR B and KOBELCO CONSTR MACH ENG CO LTD.

Patent filings in countries

World map showing HAYAMIZUGUMI KKs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing HAYAMIZUGUMI KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Dredging

Top inventors

# Name Total Patents
#1 Hayamizu Hitoshi 12
#2 Miyanaka Katsunori 9
#3 Maeda Yoshiaki 4
#4 Yamazaki Masahiro 2
#5 Komatsu Shigekatsu 1
#6 Baba Akio 1
#7 Osaki Kazuhisa 1
#8 Tsujimoto Osamu 1
#9 Kanetani Hideaki 1
#10 Ogura Makoto 1

Latest patents

Publication Filing date Title
JP2005282092A Gathering tank, topsoil gathering device and topsoil gathering method
JP2002070061A Attachment for dredging
JP2001201254A Apparatus and method for dehydration
JP2001193037A Dewatering method
JP2001123405A Pavement unit member and its manufacturing method
JP2000288591A Sludge transport method and sludge treatment apparatus
JPH10114965A Sludge recovery device
JPH09302712A Apparatus for recovering sludge at bottom of water
JPH09302711A Sludge recovery apparatus
JPH09188292A Dredger
JPH09184165A Water piping device
JPH09184163A Dredging device
JPH08238437A Sludge recovery apparatus