Patents by Inventor Yukinobu Ikeya

Yukinobu Ikeya 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).

  • Compound, medicine, anti-inflammatory, cosmetic, food and drink, and method for producing compound
    Patent number: 9573920
    Abstract: A compound is represented by Formula (I) or (II) described below. A medicine includes, as an active ingredient, a compound represented by Formula (I), (II), or (III) described below.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: February 21, 2017
    Assignees: AMINO UP CHEMICAL CO., LTD, THE RITSUMEIKAN TRUST
    Inventors: Yukinobu Ikeya, Mikio Nishizawa, Takehito Miura
  • COMPOUND, MEDICINE, ANTI-INFLAMMATORY, COSMETIC, FOOD AND DRINK, AND METHOD FOR PRODUCING COMPOUND
    Publication number: 20160207901
    Abstract: A compound is represented by Formula (I) or (II) described below. A medicine includes, as an active ingredient, a compound represented by Formula (I), (II), or (III) described below.
    Type: Application
    Filed: March 5, 2014
    Publication date: July 21, 2016
    Inventors: Yukinobu IKEYA, Mikio NISHIZAWA, Takehito MIURA
  • Process for preparation of dibenzocyclooctadiene type lignan
    Patent number: 5484595
    Abstract: A dibenzocyclooctadiene type lignan can be efficiently prepared by extracting a plant containing a dibenzocyclooctadiene type lignan with a low polar solvent, subjecting the resulting extract to partition extraction with a water-insoluble low polar solvent and a water-soluble high polar solvent, at least one time, and recovering the dibenzocyclooctadiene type lignan from the layer of the water-soluble high polar solvent.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: January 16, 1996
    Assignee: Tsumura & Co.
    Inventors: Yukinobu Ikeya, Hirotoshi Kanatani, Kaoru Nakajima, Hiroshi Mitsuhashi