Patents by Inventor Takeo Tabuchi

Takeo Tabuchi 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).

  • Ink composition and method for producing the same, light conversion layer, and color filter
    Patent number: 11926750
    Abstract: There is provided an ink composition that can form a color filter pixel unit with high external quantum efficiency. An ink composition containing light-emitting nanocrystal particles, light-diffusing particles, and at least two monomers with an ethylenically unsaturated group, wherein the at least two monomers include two monomers with Hansen solubility parameters ?d, ?p, and ?h that satisfy the following conditions: 16.0 MPa0.5??d<18.0 MPa0.5; 2.5 MPa0.5??p<5.5 MPa0.5; 2.5 MPa0.5??h<8.0 MPa0.5.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: March 12, 2024
    Assignee: DIC CORPORATION
    Inventors: Takeo Kizaki, Minoru Tabuchi, Mariko Toshimitsu, Sunao Yoshihara, Ikuro Kiyoto
  • Copper alloys for electric and electronic devices and method for producing same
    Patent number: 4430298
    Abstract: A copper alloy for electric and electronic devices, comprising: 3.0-3.5 wt % of Ni, 0.5-0.9 wt % of Si, 0.02-1.0 wt % of Mn, 0.1-5.0 wt % of Zn and the balance Cu and the inevitable impurities.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: February 7, 1984
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Motohisa Miyafuji, Takashi Matsui, Hidekazu Harada, Masumitsu Soeda, Shin Ishikawa, Hiroshi Murakado, Hiroaki Kawamoto, Takeo Tabuchi, Kunio Kamada, Yasuhiro Nakashima