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HOKU CAST KK

Overview
  • Total Patents
    15
About

HOKU CAST KK has a total of 15 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are MA QINGYOU, AQUA EQUIPMENT CO AB and TELLER HANS.

Patent filings in countries

World map showing HOKU CAST KKs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing HOKU CAST KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Sewers

Top inventors

# Name Total Patents
#1 Kanie Noboru 7
#2 Kawase Hiroshi 5
#3 Tokuda Yoshihisa 4
#4 Kondo Tadao 2
#5 Yano Hajime 2
#6 Ishikawa Hiroshi 1
#7 Morooka Masanori 1

Latest patents

Publication Filing date Title
JP2008261136A Fall prevention ladder for underground structure, and bearing frame for lid of underground structure
JP2007100407A Fall-preventive ladder for underground structure and receptacle for underground structure
JP2004257197A Receiving frame for manhole cover
JP2002356904A Lid for side ditch
JP2003020672A Cast body and its manufacturing method
JP2002206250A Underground structure
JP2002038508A Locking device of cover for underground structure
JP2001152474A Seating frame for manhole cover
JP2001132001A Cover for underground structure
JPH11190038A Locking device for underground structure
JPH11190037A Manhole cover
JPH11236715A Cover for underground structure
JPH11172715A Locking device of lid for underground structure
JPH11131515A Lock for lid of underground structure
JPH10168921A Cover for underground structure