Patents by Inventor Masumi Nakadate

Masumi Nakadate 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).

  • ULTRAVIOLET IRRADIATION WATER TREATMENT APPARATUS
    Publication number: 20110024646
    Abstract: An ultraviolet irradiation water treatment apparatus includes a vessel having a cylindrical side portion, and plural rod-shaped ultraviolet lamps are disposed in parallel with a central axis of the side portion in the vessel. A water inlet pipe through which water flows into the vessel is provided in an outer wall of the side portion at a position in a tangential direction of an inner periphery of the side portion.
    Type: Application
    Filed: October 8, 2010
    Publication date: February 3, 2011
    Inventors: Norimitsu Abe, Takeshi Ide, Takahiro Soma, Seiichi Murayama, Masao Kaneko, Shojiro Tamaki, Masumi Nakadate, Akira Morikawa
  • Ultraviolet irradiation water treatment apparatus
    Patent number: 7838845
    Abstract: An ultraviolet irradiation water treatment apparatus includes a vessel having a cylindrical side portion, and plural rod-shaped ultraviolet lamps are disposed in parallel with a central axis of the side portion in the vessel. A water inlet pipe through which water flows into the vessel is provided in an outer wall of the side portion at a position in a tangential direction of an inner periphery of the side portion.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: November 23, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Norimitsu Abe, Takeshi Ide, Takahiro Soma, Seiichi Murayama, Masao Kaneko, Shojiro Tamaki, Masumi Nakadate, Akira Morikawa
  • ULTRAVIOLET IRRADIATION WATER TREATMENT APPARATUS
    Publication number: 20080203004
    Abstract: An ultraviolet irradiation water treatment apparatus includes a vessel having a cylindrical side portion, and plural rod-shaped ultraviolet lamps are disposed in parallel with a central axis of the side portion in the vessel. A water inlet pipe through which water flows into the vessel is provided in an outer wall of the side portion at a position in a tangential direction of an inner periphery of the side portion.
    Type: Application
    Filed: April 21, 2008
    Publication date: August 28, 2008
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Norimitsu Abe, Takeshi Ide, Takahiro Soma, Seiichi Murayama, Masao Kaneko, Shojiro Tamaki, Masumi Nakadate, Akira Morikawa