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NIPPON KETJEN CO LTD

Overview
  • Total Patents
    71
  • GoodIP Patent Rank
    168,940
About

NIPPON KETJEN CO LTD has a total of 71 patent applications. Its first patent ever was published in 1990. It filed its patents most often in EPO (European Patent Office), WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets chemical engineering, basic materials chemistry and organic fine chemistry are SYNFUELS CHINA INNER MONGOLIA CO LTD, NIPPON KECCHEN KK and EVOENERGY LLC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Fujita Katsuhisa 40
#2 Abe Satoshi 27
#3 Shimowake Masafumi 21
#4 Hino Akira 18
#5 Kamo Tetsuro 16
#6 Nishimori Youhei 9
#7 Nonaka Kenji 9
#8 Inoue Yoshimasa 9
#9 Toyoshi Yasuo 7
#10 Kobayashi Toyokazu 7

Latest patents

Publication Filing date Title
EP0704239A2 Hydroprocessing catalyst, its preparation and use