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NITTETSU STEEL DRUM CO LTD

Overview
  • Total Patents
    12
About

NITTETSU STEEL DRUM CO LTD has a total of 12 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, United Kingdom and Australia. Its main competitors in its focus markets machine tools, packaging and shipping and machines are GRIFFITHS HARRY ALBERT, GROKO MASKIN AB and CONTAINER DEV LTD.

Patent filings in countries

World map showing NITTETSU STEEL DRUM CO LTDs patent filings in countries

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Inoue Makoto 5
#2 Kobayashi Youichi 5
#3 Irie Hirofumi 5
#4 Kubota Tetuo 5
#5 Tsukamura Takao 3
#6 Tomikawa Kiyozi 1
#7 Nakagaki Keisuke 1
#8 Sasai Mitsuo 1
#9 Ikuno Eiichiro 1
#10 Yoshizumi Tomoki 1

Latest patents

Publication Filing date Title
US4994129A Method and apparatus for temporarily covering openings of containers
US4540323A Metal containers and their manufacturing method and apparatus
US4543025A Metal containers - their manufacturing methods
US4392295A Method and apparatus for forming drum seam
US4235359A Apparatus for welding fittings to a container