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OC ENG CO LTD

Overview
  • Total Patents
    24
About

OC ENG CO LTD has a total of 24 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan, Germany and EPO (European Patent Office). Its main competitors in its focus markets machines, materials and metallurgy and environmental technology are CO OP CHEMICAL CO LTD, ARMOUR AGRICULT CHEM and CHEMSOIL CORP.

Patent filings per year

Chart showing OC ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Serizawa Takakiyo 8
#2 Okamura Akira 6
#3 Yamoto Takuo 5
#4 Kano Motoo 4
#5 Konishi Masahiro 4
#6 Mizunaga Kazuhiko 3
#7 Serizawa Yoshikiyo 3
#8 Hayashi Nobuyuki 2
#9 Yamamoto Ichiro 2
#10 Ono Shinobu 2

Latest patents

Publication Filing date Title
JPH0717720A Method for controlling temperature of glass in forehearth
JPH0717721A Method for controlling temperature of glass in forehearth
JPH06211339A Tire automatic supplier
JPH06127904A Ozonizer and ozonizing method using the same
JPH0639026A Ozone generator and method for executing deodorization, sterilization or the like by using the same
JPH05330805A Counter electrode type ozone generator
JPH06199424A Screw feeder type quantitative slitting device
JPH04371714A Exhaust gas processing method after garbage incineration
JPH0655049A Ozone water production device
JPH04126020A Sterilization of culture liquid, etc., for hydroponic culture and hydroponic culture apparatus
JPH03242289A Method for sterilizing washing water in local washing device and feed water tank for local washing device
JPH03157189A Method for sterilizing water stored in drinking water supplier
JPH02245126A Sterilization of laver leaf with ozonized water and system therefor
JPH01261203A Ozonizer
JPH01179702A Ozonizer
JPS63267614A Low pressure feed device for steel fiber
JPS63240928A Screw mixer
JPS634822A Bag filter cleaning device
JPS54103096A Analysis machine of concrete not hardened