Patents by Inventor Mikihiro Takaki

Mikihiro Takaki 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).

  • ELECTRICAL INSULATING OIL COMPOSITION HAVING EXCELLENT LOW TEMPERATURE PROPERTIES
    Publication number: 20140110643
    Abstract: The present invention provides an electric insulating oil composition that has excellent low temperature properties, hydrogen gas absorbability and giving less adverse effect on living bodies and comprises [A] 1,1-diphenylethane in an amount of 30 to 70 percent by mass, [B] at least one or more component selected from 4 components that are (a) 1-phenyl-1-methylphenylethane, (b) 1-phenyl-1-xylylethane, (c) 1-phenyl-1-ethylphenylethane and (d) benzyltoluene in a total amount of 30 to 70 percent by mass, and [C] 1,2-diphenylethane in an amount of 0.1 to 2 percent by mass and/or diphenylmethane in an amount of 0.1 to 13 percent by mass.
    Type: Application
    Filed: May 25, 2012
    Publication date: April 24, 2014
    Applicant: JX Nippon Oil & Energy Corporation
    Inventors: Nobuhiro Kimura, Hiroyuki Hoshino, Takahiro Kawaguchi, Mikihiro Takaki, Minoru Iizuka
  • Bacteria for production of carotenoids
    Patent number: 5858761
    Abstract: Bacterium belonging to a new genus, and a process for production of carotenoid pigment selected from the group consisting of astaxanthin, adonixanthin, .beta.-carotene, echinenone, canthaxanthin and zeaxanthin, comprising the steps of culturing a bacterium capable of producing at least one of the carotenoid pigments, and recovering an individual carotenoid pigments.The producer bacterium belongs to new genus.According to the present process various carotenoids can be produced in an industrial scale. By the present process (3S, 3'S)-astaxanthin can be produced in an almost 100% purity.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: January 12, 1999
    Assignee: Nippon Oil Company, Ltd.
    Inventors: Akira Tsubokura, Hisashi Yoneda, Mikihiro Takaki, Takashi Kiyota
  • Bacteria belonging to new genus process for production of carotenoids using same
    Patent number: 5607839
    Abstract: Bacterium belonging to a new genus, and a process for production of carotenoid pigment selected from the group consisting of astaxanthin, adonixanthin, .beta.-carotene, echinenone, canthaxanthin and zeaxanthin, comprising the steps of culturing a bacterium capable of producing at least one of the carotenoid pigments, and recovering an individual carotenoid pigments.The producer bacterium belongs to new genus.According to the present process various carotenoids can be produced in an industrial scale. By the present process (3S, 3'S)-astaxanthin can be produced in an almost 100% purity.
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: March 4, 1997
    Assignee: Nippon Oil Company, Ltd.
    Inventors: Akira Tsubokura, Hisashi Yoneda, Mikihiro Takaki, Takashi Kiyota
  • Process for production of canthaxanthin
    Patent number: 5565357
    Abstract: A process for production of canthaxanthin comprising the steps of culturing a microorganism capable of producing canthaxanthin and belonging to the genus Corynebacterium, such as Corynebacterium sp. SQH 348 (FERM BP-4284), and recovering canthaxanthin from the culture.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: October 15, 1996
    Assignee: Nippon Oil Co., Ltd.
    Inventors: Akira Tsubokura, Hisashi Yoneda, Mikihiro Takaki, Takashi Kiyota