Patents by Inventor Masayuki Katogi

Masayuki Katogi 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).

  • Illumination system and illumination unit
    Patent number: 6659622
    Abstract: An illumination system of the invention comprises: a first illumination unit comprising a pair of power supply contacts for connection to a commercial AC power source, a light source connected between the pair of power supply contacts, a control circuit connected in series to the light source to control electric current flowing through the light source, and a connection cord connected to the light source; and a second illumination unit comprising a light source and a connection cord connected to the light source, wherein the connection cord of the first illumination unit and the connection cord of the second illumination unit are connected to each other so that the light source of the first illumination unit and the light source of the second illumination unit are connected in parallel to each other.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: December 9, 2003
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Masayuki Katogi, Naohisa Iso
  • Illumination system and illumination unit
    Publication number: 20020114155
    Abstract: An illumination system of the invention comprises: a first illumination unit comprising a pair of power supply contacts for connection to a commercial AC power source, a light source connected between the pair of power supply contacts, a control circuit connected in series to the light source to control electric current flowing through the light source, and a connection cord connected to the light source; and a second illumination unit comprising a light source and a connection cord connected to the light source, wherein the connection cord of the first illumination unit and the connection cord of the second illumination unit are connected to each other so that the light source of the first illumination unit and the light source of the second illumination unit are connected in parallel to each other.
    Type: Application
    Filed: November 21, 2001
    Publication date: August 22, 2002
    Inventors: Masayuki Katogi, Naohisa Iso
  • Color illumination device
    Publication number: 20020071279
    Abstract: A color illumination device of the invention comprises a plurality of color light sources for emitting lights of at least two different colors; a control unit for controlling the plurality of color light sources; a light mixture means for mixing the lights emitted from the color light sources to produce an illumination light, and a control operable to change a value of a variable, wherein the value of the variable determines a color of the illumination light.
    Type: Application
    Filed: November 21, 2001
    Publication date: June 13, 2002
    Inventors: Masayuki Katogi, Naohisa Iso
  • Translucent color filter
    Patent number: D438331
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: February 27, 2001
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi, Hiroaki Machii
  • Color illumination unit
    Patent number: D441884
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: May 8, 2001
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi, Hiroaki Machii
  • Color illumination unit
    Patent number: D441885
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: May 8, 2001
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi, Hiroaki Machii
  • Color illumination unit
    Patent number: D442303
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: May 15, 2001
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi, Hiroaki Machii
  • Colored light emitting unit
    Patent number: D444895
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: July 10, 2001
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi, Hiroaki Machii
  • Light emitting element
    Patent number: D444896
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: July 10, 2001
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi, Hiroaki Machii
  • Lamp device
    Patent number: D450860
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: November 20, 2001
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi
  • Lamp device
    Patent number: D457664
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: May 21, 2002
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi, Kanji Tajima
  • Lamp unit
    Patent number: D458696
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: June 11, 2002
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Masayuki Katogi, Katsunori Sato
  • Lamp device
    Patent number: D458703
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: June 11, 2002
    Assignee: Moriyama Sangyo Kabushiki Kaisha
    Inventors: Hideo Moriyama, Masayuki Katogi