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CO LTD

Overview
  • Total Patents
    11
About

CO LTD has a total of 11 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United Kingdom, China and Australia. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and chemical engineering are CEMENTA AB, SAMSON CO LTD and SOC INDUSTRIAL PIZARRENO.

Patent filings in countries

World map showing CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 China 3
#3 Australia 2
#4 Republic of Korea 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yamagishi Shigeru 1
#2 Ithuzi Akira 1
#3 Kim Nak Jung 1
#4 Bingli Wang 1
#5 Junichi Yamagishi 1
#6 Xingwei Li 1
#7 Kakimoto Kazunobu 1
#8 Maeda Shigeru 1
#9 Fujiwara Yoshio 1
#10 Hayakawa Junshiro 1

Latest patents

Publication Filing date Title
KR20130013196A Splicing device for reinforcing bar
GB0719686D0 Electric motor
GB0719507D0 Dynamo electric machine clutch assembly
CN101177043A Roll wheel with wave grain and manufacturing method thereof
CN1819567A Device for improving inspection performance in default distributing mode
GB0402883D0 Method
CN1426011A Fee management system
GB9922429D0 A method of securing a laminated member to a shaft
KR0141514B1 Prevention apparatus for swelling of chemical supply vessel in semiconductor manufacture apparatus
AU7376674A Power switching and control mechanism for induction heating apparatus
AU6239873A Filter medium which permits increased amount of filtration