Patents by Inventor Atau Ioku

Atau Ioku 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).

  • Composite organic electroluminescent material and production method thereof
    Patent number: 8425801
    Abstract: A composite organic EL material suited to flash deposition and a method for producing the same are provided. A composite organic electroluminescence material in which an organic material and an organic metal complex are combined with each other, wherein the melting point of the organic material is lower by 30° C. or more than the decomposition temperature of the organic metal complex.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: April 23, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hidehiro Matsunami, Yasunori Kadoi, Chishio Hosokawa, Yoshikazu Tanaka, Toshihiro Iwakuma, Atau Ioku
  • Method for producing trialkyl gallium
    Patent number: 8278470
    Abstract: The present invention provides a method for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; a method for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and a method for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6?m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: October 2, 2012
    Assignee: Nichia Corporation
    Inventors: Hisayoshi Yanagihara, Atau Ioku, Takatoshi Mori, Hikari Mitsui
  • ORGANIC ELECTROLUMINESCENCE MATERIAL COMPOSITION, THIN FILM FORMATION METHOD, AND ORGANIC ELECTROLUMINESCENCE ELEMENT
    Publication number: 20110220886
    Abstract: An organic electroluminescence material composition including a solvent represented by the following formula (1) and an anthracene derivative: wherein ring A is an aliphatic ring or an aromatic ring having 4 to 8 carbon atoms; R1 is a substituent on the ring A; and R2 and R3 are substituents connected to adjacent carbon atoms on the ring A.
    Type: Application
    Filed: September 16, 2009
    Publication date: September 15, 2011
    Applicants: IDEMITSU KOSAN CO., LTD., SONY CORPORATION
    Inventors: Motohiro Takeshima, Atau Ioku, Tetsuya Inoue, Yoshiaki Obana, Yukio Miyaki, Keisuke Matsuo, Yasunori Kijima
  • COMPOSITE ORGANIC ELECTROLUMINESCENT MATERIAL AND PRODUCTION METHOD THEREOF
    Publication number: 20100258767
    Abstract: A composite organic EL material suited to flash deposition and a method for producing the same are provided. A composite organic electroluminescence material in which an organic material and an organic metal complex are combined with each other, wherein the melting point of the organic material is lower by 30° C. or more than the decomposition temperature of the organic metal complex.
    Type: Application
    Filed: April 13, 2009
    Publication date: October 14, 2010
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Hidehiro MATSUNAMI, Yasunori Kadoi, Chishio Hosokawa, Yoshikazu Tanaka, Toshihiro Iwakuma, Atau Ioku
  • Method for producing trialkyl gallium
    Patent number: 7667063
    Abstract: The present invention provides method 1 for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; method 2 for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and method 3 for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6-m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: February 23, 2010
    Assignee: Nichia Corporation
    Inventors: Hisayoshi Yanagihara, Atau Ioku, Takatoshi Mori, Hikari Mitsui
  • METHOD FOR PRODUCING TRIALKYL GALLIUM
    Publication number: 20100013055
    Abstract: The present invention provides a method for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; a method for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and a method for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6?m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.
    Type: Application
    Filed: October 1, 2009
    Publication date: January 21, 2010
    Inventors: Hisayoshi YANAGIHARA, Atau Ioku, Takatoshi Mori, Hikari Mitsui
  • Composition for color converting member and production method of color conversion substrate using the same
    Patent number: 7393618
    Abstract: A color conversion member composition (10) including (A) a color filter material (1), (B) a photoluminescent inorganic nanocrystal (3), (C) a medium (5), and (D) two or more solvents (5), wherein all of the solvents (D) are good solvents for one of the color filter material (A) (1) and the photoluminescent inorganic nanocrystal (B) (3), the solvents (D) include a good solvent and a poor solvent for the other of the color filter material (A) (1) and the photoluminescent inorganic nanocrystal (B) (3), and the good solvent has a vapor pressure higher than that of the poor solvent.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: July 1, 2008
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Atau Ioku, Satoshi Hachiya
  • COMPOSITION FOR COLOR CONVERTING MEMBER AND PRODUCTION METHOD OF COLOR CONVERSION SUBSTRATE USING THE SAME
    Publication number: 20080070153
    Abstract: A color conversion member composition (10) including (A) a color filter material (1), (B) a photoluminescent inorganic nanocrystal (3), (C) a medium (5), and (D) two or more solvents (5), wherein all of the solvents (D) are good solvents for one of the color filter material (A) (1) and the photoluminescent inorganic nanocrystal (B) (3), the solvents (D) include a good solvent and a poor solvent for the other of the color filter material (A) (1) and the photoluminescent inorganic nanocrystal (B) (3), and the good solvent has a vapor pressure higher than that of the poor solvent.
    Type: Application
    Filed: December 19, 2006
    Publication date: March 20, 2008
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Atau IOKU, Satoshi HACHIYA
  • Method for producing trialkyl gallium
    Publication number: 20060214161
    Abstract: The present invention provides method 1 for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; method 2 for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and method 3 for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6-m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.
    Type: Application
    Filed: March 22, 2006
    Publication date: September 28, 2006
    Inventors: Hisayoshi Yanagihara, Atau Ioku, Takatoshi Mori, Hikari Mitsui