Learn more

TOYO ROKI SEIZO KK

Overview
  • Total Patents
    188
About

TOYO ROKI SEIZO KK has a total of 188 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets chemical engineering, machines and engines, pumps and turbines are KUSS FILTRATION INC, TOYO ROKI MFG CO LTD and MANN & HUMMEL GMBH.

Patent filings per year

Chart showing TOYO ROKI SEIZO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kadoya Terukazu 33
#2 Nagashima Takashi 16
#3 Okazaki Masayuki 16
#4 Yano Kenji 16
#5 Morikawa Hiroshi 14
#6 Suzuki Atsushi 13
#7 Suzuki Takenori 13
#8 Ebii Naoki 12
#9 Horiuchi Hiroshi 12
#10 Oota Tatsuo 12

Latest patents

Publication Filing date Title
WO2006132123A1 Filter medium
GB0415852D0 Air cleaner element
CA2402369A1 Oil mist filter
JPH10192607A Fluid filter for vehicle
JPH1182212A Vehicular fuel feeder
JPH1147526A Air filter
JPH10337426A Filter medium for air cleaner
JPH10318056A Intake device
JPH10318380A Fuel cutoff valve
JPH10265123A Paper folding device
JPH10263348A Filter element and its production
JPH10235109A Filter device and its manufacture
EP1172134A1 Filter and filter medium unit for use therein
JPH10197517A Generating method and generating device of fuel vapor for test and testing method and testing device of canister
JPH10157469A Fuel spill preventing device
JPH10138051A Electric discharge machine and holder for electric discharge machining electrode
JPH1089187A Filter
JPH10314A Filter
JPH102260A Fuel supply unit
JPH09323010A Filter