Patents by Inventor Michio Makino

Michio Makino has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4021232
    Abstract: A cast iron melting process comprising the steps of charging recarburizer in the lower portion of an electric arc furnace, charging iron scraps, and charging oxidizing slag-forming agents and/or sponge irons, and/or blowing oxygen therein to make oxidizing slag, whereby a recarburizing reaction of an iron melt with the recarburizer is carried out in parallel with an oxidizing reaction of an iron melt with an oxidizing slag, thereby minimizing the loss of C and Si, while improving a recarburizing yield, with the resulting improvements in economy.
    Type: Grant
    Filed: July 29, 1975
    Date of Patent: May 3, 1977
    Assignee: Hitachi Metals, Ltd.
    Inventors: Michio Makino, Takashi Kawai, Ryoji Takahashi, Yoshimi Kubo, Fumio Obata
  • Patent number: D356318
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: March 14, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D356573
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: March 21, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D356575
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: March 21, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D356577
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: March 21, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D356580
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: March 21, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D357258
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: April 11, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D360211
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: July 11, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D361571
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: August 22, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D361572
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: August 22, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D361573
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: August 22, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D361574
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: August 22, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D361575
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: August 22, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D362857
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: October 3, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D363073
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: October 10, 1995
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino
  • Patent number: D385890
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: November 4, 1997
    Assignee: Kaiyo Kogyo Kabushiki Kaisha
    Inventor: Michio Makino