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HAMADA KOUSYOU CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    185,047
About

HAMADA KOUSYOU CO LTD has a total of 24 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets civil engineering, environmental technology and machines are BONETTO CLAUDIA, NEWMAN WILLIAM & SONS LTD and LOCINOX.

Patent filings in countries

World map showing HAMADA KOUSYOU CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 20
#2 United States 2
#3 China 1
#4 EPO (European Patent Office) 1

Patent filings per year

Chart showing HAMADA KOUSYOU CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hamazaki Yukio 22
#2 Iguchi Katsuo 4
#3 Hamasaki Yukio 1
#4 Washiyama Masatada 1
#5 Yukio Hamazaki 1

Latest patents

Publication Filing date Title
JP2020003195A Dart board and dart set
JP2020000740A Dart and dart set
US2016231092A1 Flight unit and dart
JP2016035141A Building material structure (for gate door, handrail, terrace, or various types of fences)
JP2015033852A Nest member and molding die
JP2015196017A Barrel and chip, and dart comprising them
JP2015132427A Air conditioning system of building with opened or closed window
JP2015029855A Darts board with assembly formation
JP2014239834A Flight unit and dart
JP2014162034A Nest member and molding die
JP2013248550A Stud bolt cleaning device
JP2013147827A Window opening/closing device
JP2011252651A Darts for training and rehabilitation
JP2011193990A Dart
CN102191900A Automatic opening and closing device for window
JP2011051216A Manufacturing mold for helical gear product with divided-type helical gear mold, and method for manufacturing the same
JP2010268824A Support for chopping board
JP2010119202A Accumulator and electric vehicle having charging function with respect to battery
JP2008088766A Automatic window opening-closing device for locking/unlocking and opening/closing window
JP2007169916A Bay window automatic opening/closing device