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PADEI KENKYUSHO KK

Overview
  • Total Patents
    42
About

PADEI KENKYUSHO KK has a total of 42 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 environmental technology and civil engineering are HOKUSHIYOU CEMENT KOGYOSHO KK, SUZUEI KK and TOHOKU SEKIZAI BLOCK KK.

Patent filings in countries

World map showing PADEI KENKYUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 42

Patent filings per year

Chart showing PADEI KENKYUSHO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Onodera Tsuneo 42
#2 Hashimoto Taisuke 12
#3 Ogawa Masato 10
#4 Takao Kimitoku 8
#5 Shibahara Nariyoshi 7
#6 Nakagawa Hirohide 5
#7 Okubo Manabu 4
#8 Yoneda Minoru 4
#9 Tanaka Tadashi 3
#10 Onuma Hiromi 3

Latest patents

Publication Filing date Title
JP2007107189A Traveling stabilizer of working machine
JP2007014209A Underdrainage device
JP2006283733A Gas-liquid mixture suction device
JP2005299904A Culvert
JP2005021125A Water-supply pit for sub-irrigation
JP2004180529A Underground irrigation system
JP2004105010A Waterintake amount setting device
JP2004108391A Method for laying pipe underground and pipe used for that
JP2004065038A Water level regulator
JP2003306929A Mole drain forming equipment and method
JP2003289732A Water-intake device
JP2003284439A On-off valve with water level regulator
JP2003193453A Water passing pipe for burial
JP2003184059A Device for charging material for ditch
JP2003047349A Method for growing rice
JP2002354948A Water supply device for rice field
JP2002291355A Irrigation system for supplying or draining irrigation water for paddy field lot
JP2002262677A Water distribution system for terrace paddy field
JP2001258409A Water-supply controlling system for paddy field
JP2002034362A System for managing supply and drain of water in paddy field