Patents by Inventor Takehiko Harada

Takehiko Harada 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: 11970442
    Abstract: To achieve a method for producing a carbonic ester at a high yield by a simple process while suppressing formation of by-products, for example, a method for producing an aliphatic carbonic ester. The above problem is solved by a method for producing a carbonic ester, the method including a carbonic ester formation reaction in which an alcohol and carbon dioxide are reacted in the presence of an aromatic nitrile compound and a catalyst, wherein the water content in the alcohol used in the carbonic ester formation reaction is 0.10% by mass or less.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: April 30, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Hidefumi Harada, Takehiko Isobe, Hongyu Liu, Yousuke Shinkai, Ryotaro Umezu
  • Patent number: 8946843
    Abstract: A solid-state image sensing device includes light-receiving regions and a color filter which transmits red light, a color filter which transmits blue light, and a color filter which transmits green light is provided. The color filters are arranged on a one-to-one basis above the light-receiving regions. Above the light-receiving region where the color filter which transmits red or blue light is arranged, a light-transmitting film, an antireflection film, a light-transmitting film, an antireflection film, and a light-transmitting film are arranged, in this order from the light-receiving region, between the light-receiving region and the color filter. Above the light-receiving region where the color filter which transmits green light is arranged, a light-transmitting film, an antireflection film, and a light-transmitting film are arranged, in this order from the light-receiving region, between the light-receiving region and the color filter.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: February 3, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadashi Sawayama, Takehiko Harada
  • Publication number: 20110115953
    Abstract: A solid-state image sensing device comprising, light-receiving regions and a color filter which transmits red light, a color filter which transmits blue light, and a color filter which transmits green light is provided. The color filters are arranged on a one-to-one basis above the light-receiving regions. Above the light-receiving region where the color filter which transmits red or blue light is arranged, a light-transmitting film, an antireflection film, a light-transmitting film, an antireflection film, and a light-transmitting film are arranged, in this order from the light-receiving region, between the light-receiving region and the color filter. Above the light-receiving region where the color filter which transmits green light is arranged, a light-transmitting film, an antireflection film, and a light-transmitting film are arranged, in this order from the light-receiving region, between the light-receiving region and the color filter.
    Type: Application
    Filed: October 26, 2010
    Publication date: May 19, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tadashi Sawayama, Takehiko Harada