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RYOWA SANSHI KK

Overview
  • Total Patents
    35
About

RYOWA SANSHI KK has a total of 35 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan. Its main competitors in its focus markets machines, civil engineering and measurement are PAYNE LEROY, NIELSEN ERIK and LEROY PAYNE.

Patent filings in countries

World map showing RYOWA SANSHI KKs patent filings in countries
# Country Total Patents
#1 Japan 35

Patent filings per year

Chart showing RYOWA SANSHI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takahashi Kiyoshi 4
#2 Shintani Hideto 3
#3 Ochiai Mitsuo 3
#4 Nakai Haruo 3
#5 Hayashi Yoshimasa 2
#6 Itou Takaaki 2
#7 Morooka Akira 2
#8 Butani Shinichi 2
#9 Aoyama Miki 2
#10 Shinohara Nobuo 2

Latest patents

Publication Filing date Title
JPH084945A Pipe passing tool in double piping
JPH084065A Mounting structure of water faucet joint box for two-pipe system
JPH07304408A Protecting structure for bumper of automobile
JPH07291338A Affixing method for automobile protective film
JPH04198505A Laying method for pipe for heating asphalt pavement road
JPH01210573A Removal of sprayed asbestos
JPH01190747A Epoxy resin composition for flooring
JPH01160887A Removal and solidification of sprayed asbestos
JPS63235795A Connecting section of double piping
JPS62200158A Cold insulation method
JPS62186768A Production of dried laver sheet
JPS6229085A Surface heat generating body
JPS60173207A Reclamation work
JPS60147640A Method for recording damaged part of metallic product
JPS60148445A Container device which can be folded freely
JPS6038135A Formation of styrene resin foam covered with polyethylene
JPS6037349A Insulating material fixing structure
JPS6016607A Manufacture of sheet with concrete block
JPS604013A Preparation of frp/foamed resin composite molded substance
JPS606135A Treating agent of breeding laver and laver breeding method