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JOHNAN MFG CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    207,583
About

JOHNAN MFG CO LTD has a total of 13 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China and United States. Its main competitors in its focus markets civil engineering, transport and environmental technology are JOHNAN SEISAKUSHO, JOHNAN MFG INC and CIE DURA.

Patent filings in countries

World map showing JOHNAN MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 11
#2 United States 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Takehara Hideaki 7
#2 Kashiwagi Hideaki 4
#3 Yoshizawa Masakane 3
#4 Kondo Tsuyoshi 2
#5 Shimomura Manabu 2
#6 Miyamoto Seiichi 2
#7 Sakurai Shun 2
#8 Shimizu Hiroki 2
#9 Yamamaru Junichi 1
#10 Moriyama Tomohiro 1

Latest patents

Publication Filing date Title
US2004262943A1 Retractable roof fixing apparatus