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JAPAN STEEL WORKS LTD

Overview
  • Total Patents
    7,852
  • GoodIP Patent Rank
    1,997
  • Filing trend
    ⇩ 48.0%
About

JAPAN STEEL WORKS LTD has a total of 7,852 patent applications. It decreased the IP activity by 48.0%. Its first patent ever was published in 1927. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, environmental technology and semiconductors are JAPAN STEEL WORKS LTD:THE, KAKIZAKI MAMUFACUTURING CO LTD and ASM FICO TOOLING.

Patent filings per year

Chart showing JAPAN STEEL WORKS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishida Shozo 217
#2 Ikuta Kazunari 172
#3 Yoshida Minoru 122
#4 Inami Toshio 119
#5 Shida Junichi 101
#6 Yakimoto Kazutoshi 93
#7 Nagai Tatsuo 92
#8 Machida Masashi 88
#9 Kato Takaaki 86
#10 Ito Hiroshi 84

Latest patents

Publication Filing date Title
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