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SHOWA MARUTO KK

Overview
  • Total Patents
    28
About

SHOWA MARUTO KK has a total of 28 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, packaging and shipping and textiles and paper are FIBRE CAN MACHINERY CORP, CHRISTIAN MAJER and ERNEST BRADBURY ROBINSON.

Patent filings in countries

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

Patent filings per year

Chart showing SHOWA MARUTO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishida Shigeto 7
#2 Nakano Hiroyuki 6
#3 Sato Jun 6
#4 Nakayama Akihiro 6
#5 Takenaka Akira 5
#6 Tachibana Takeshi 4
#7 Awaji Masahiro 4
#8 Sato Yoshio 3
#9 Shinkawa Takao 3
#10 Yoshida Kenji 3

Latest patents

Publication Filing date Title
JPH1176994A Ligneous pulp treatment and device therefor
JPH1165253A Toner cartridge
JPH1149115A Magazine for injection container
JPH111923A Recess forming tool for inserting reinforcing bar into upper part of cast-in-place concrete pile
JPH10245085A Pump device and liquid container with the same
JPH10196852A Composite material pipe
JPH10128866A Composite material-made pipe and its manufacture
JPH1035758A Vessel for cultivation-cum-sale of plant
JPH1033700A Smoke hood
JPH0920349A Extrusion container
JPH08326921A Elastic ring for sealing opening part and connecting part of cylindrical body
JPH08192821A Substitution method of gas like nitrogen gas and device thereof
JPH08137225A Toner supply device and its agitator
JPH08105155A Wooden cylindrical body
JPH07295357A Toner cartridge
JPH07271169A Toner cartridge
JPH07277316A Fiber tube container
JPH07271166A Toner cartridge main body and its production
JPH07271167A Toner cartridge
JPH06278258A Paper board and manufacture of the same