Patents by Inventor Keisuke Sakamoto

Keisuke Sakamoto 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).

  • GREEN PIGMENT COMPOSITION FOR COLOR FILTER, AND COLOR FILTER
    Publication number: 20170009075
    Abstract: Provided are a green pigment composition for a color filter having high brightness and wide color reproduction range in a liquid crystal display, and a color filter formed including the same. A halogenated zinc phthalocyanine containing an average of 10 to 14 halogen atoms per molecule in which an average of 8 to 12 are bromine atoms and an average of 2 to 5 are chlorine atoms is used. As a result, film thickness is less than when using Pigment Green 7 and, thus, a color filter with high brightness and wide color reproduction range can be provided.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 12, 2017
    Inventors: Keisuke SAKAMOTO, Akira KIMURA, Katsunori SHIMADA
  • Method for temper rolling of a thin-gauge steel strip
    Patent number: 3947294
    Abstract: A method for temper rolling of a thin-gauge steel strip comprising applying mechanical working to the steel strip under dry condition and then rolling the steel strip with lubricant between the rolling roll and the steel sheet.
    Type: Grant
    Filed: February 6, 1975
    Date of Patent: March 30, 1976
    Assignee: Nippon Steel Corporation
    Inventors: Takashi Asamura, Shigeki Sawai, Keisuke Sakamoto, Hajime Ikeda, Tohoru Toshimitsu
  • Front bumper for automobile
    Patent number: D521905
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: May 30, 2006
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Katsuhiro Suzuki, Hiroyuki Tada, Kenichi Hirai, Keisuke Sakamoto
  • Lamp assembly for automobile
    Patent number: D522672
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: June 6, 2006
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kenichi Hirai, Keisuke Sakamoto
  • Front combination lamp for automobile
    Patent number: D523158
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: June 13, 2006
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Ai Murai, Kenichi Hirai, Katsuhiro Suzuki, Keisuke Sakamoto
  • Door handle for automobile
    Patent number: D536595
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: February 13, 2007
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Keisuke Sakamoto, Akira Yagihashi
  • Outer mirror for automobile
    Patent number: D552019
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: October 2, 2007
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yutaka Kubota, Keisuke Sakamoto
  • Automobile
    Patent number: D494892
    Type: Grant
    Filed: September 23, 2003
    Date of Patent: August 24, 2004
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Hagino, Masao Saito, Keisuke Sakamoto
  • Front grille for an automobile
    Patent number: D614543
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: April 27, 2010
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazumi Kitazumi, Keisuke Sakamoto
  • Motor vehicle and toy replica thereof
    Patent number: D626887
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: November 9, 2010
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Katsuhiro Suzuki, Keisuke Sakamoto
  • Automobile
    Patent number: D669401
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: October 23, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kengo Matsumoto, Shinichi Hiranaka, Keisuke Sakamoto
  • Automobile and/or toy replica thereof
    Patent number: D702602
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: April 15, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kengo Matsumoto, Shinichi Hiranaka, Keisuke Sakamoto