Learn more

RONTAI KK

Overview
  • Total Patents
    28
About

RONTAI KK has a total of 28 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, civil engineering and agriculture are MITSUI CONCRETE KOGYO KK, RONTAI CO LTD and LOUIS ECOSYSTEM ENGINEERING CO LTD.

Patent filings in countries

World map showing RONTAI KKs patent filings in countries
# Country Total Patents
#1 Japan 28

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Nakagawa Taro 25
#2 Yamada Tadashi 12
#3 Fukuda Naohito 9
#4 Saotome Atsunobu 8
#5 Suzuki Yukinobu 4
#6 Aihara Tomoki 3
#7 Minagawa Tsukasa 3
#8 Nakagawa Tarou 3
#9 Imamura Kosuke 3
#10 Kaneko Takashi 2

Latest patents

Publication Filing date Title
JP2001032281A Sandbag for vegetation, and its manufacture
JP2000004609A Coated seed
JPH11289833A Biodegradable fertilizer cylinder
JPH11137081A Completely degradable vegetational tool
JPH11127618A Seed for planting and planting sheet using the same
JPH1160422A Seeds coated with coating substance containing pyroligneous acid
JPH10331164A Vegetation body incorporating storage part for accommodating greening material therein, and its manufacture
JPH10331163A Vegetation mat
JPH10291882A Perfectly degradable coated granular fertilizer and its production
JPH10168884A Vegetation sheet
JPH10164976A Vegetation body
JPH1068131A Greening net-like body
JPH1068130A Net for greening
JPH1068129A Greening belt for living together with herbivorous mammal
JPH1014323A Planting belt
JPH1014324A Planting body
JPH09137453A Vegetation net with vegetation base material bag and production method thereof
JPH0856479A Vegetational body and its production
JPH06240678A Vegetation zone and vegetation method
JPH02227002A Production of vegetation belt