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NIPPON DOREN KOGYO KK

Overview
  • Total Patents
    11
About

NIPPON DOREN KOGYO KK has a total of 11 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are KOMATSU SHUICHI, OSNOVIN EVGENIJ VLADIMIROVICH and NAKAMURA TOMIO.

Patent filings in countries

World map showing NIPPON DOREN KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing NIPPON DOREN KOGYO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Naito Norie 11
#2 Ito Masanori 1
#3 Okano Akihisa 1
#4 Murakami Tatsuya 1
#5 Suzuki Shozo 1
#6 Kataoka Keikichi 1
#7 Naito Shinpei 1
#8 Ide Shinichi 1
#9 Maehara Satoshi 1

Latest patents

Publication Filing date Title
JP2010031454A Water transmission gutter device
JP2005220580A Water-conveyance device
JP2004150128A Water introducing device
JP2003336218A Water-conveyance device for opposed section of structures
JP2002047900A Holder for head-race receiving plate, and head-race gutter device
JPH11323833A Headrace gutter
JPH10298965A Solar drying equipment for muddy water
JPH10299067A Water treatment equipment making use of drain pipe bundle
JPH07299499A Draining method for sun-drying bed of sludge and sun-drying device for sludge
JPH0598688A Draining method for road surface and drain guiding device
JPH02132300A Leakage guidance device for tunnel