Patents by Inventor Kitaro Oka

Kitaro Oka 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: 10051989
    Abstract: A roasted plant extraction apparatus is provided which is capable of selectively reducing excessive bitterness in an extract liquid obtained by water extraction from a roasted plant raw material while preserving desirable flavor ingredients and body. A beverage extraction apparatus includes a granule containing part containing granules for extraction of a beverage, first pouring device for pouring an extraction solvent into the granule containing part from a first direction, and collecting device for collecting a coffee extract liquid extracted by device of the extraction solvent at the side of layers of the coffee granules corresponding to the first direction. The granule containing part is provided with a detachable restraining member for placing the granules for extraction of a beverage in a substantially sealed state.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: August 21, 2018
    Assignee: SUNTORY HOLDINGS LIMITED
    Inventors: Yoshihiro Nakao, Yoshiaki Yokoo, Makoto Nakajima, Hiroaki Shimizu, Hiroki Furuta, Morio Mitsuhashi, Kitaro Oka, Chiseko Sakuma
  • Publication number: 20140109771
    Abstract: A roasted plant extraction apparatus is provided which is capable of selectively reducing excessive bitterness in an extract liquid obtained by water extraction from a roasted plant raw material while preserving desirable flavor ingredients and body. A beverage extraction apparatus includes a granule containing part containing granules for extraction of a beverage, first pouring device for pouring an extraction solvent into the granule containing part from a first direction, and collecting device for collecting a coffee extract liquid extracted by device of the extraction solvent at the side of layers of the coffee granules corresponding to the first direction. The granule containing part is provided with a detachable restraining member for placing the granules for extraction of a beverage in a substantially sealed state.
    Type: Application
    Filed: August 24, 2011
    Publication date: April 24, 2014
    Applicant: SUNTORY BEVERAGE & FOOD LIMITED
    Inventors: Yoshihiro Nakao, Yoshiaki Yokoo, Makoto Nakajima, Hiroaki Shimizu, Hiroki Furuta, Morio Mitsuhashi, Kitaro Oka, Chiseko Sakuma
  • Publication number: 20140079855
    Abstract: A method for manufacturing a coffee extract is provided which method enables flavor ingredients of coffee to be extracted separately from bitter ingredients. A coffee extract is obtained by a method including a) a step of placing coffee granules in a granule container part substantially sealed by a restraining member, b) a step of guiding an extraction solvent from a first direction into the granule container part for extraction, and c) a step of retrieving, from the first direction, a coffee extract stored in the granule container part.
    Type: Application
    Filed: August 1, 2011
    Publication date: March 20, 2014
    Applicant: SUNTORY BEVERAGE & FOOD LIMITED
    Inventors: Yoshiaki Yokoo, Yoshihiro Nakao, Hiroki Furuta, Makoto Nakajima, Hiroaki Shimizu, Morio Mitsuhashi, Kitaro Oka, Chiseko Sakuma
  • Publication number: 20080227832
    Abstract: A modified coffee containing 3 mg or more of a nicotinic acid compound and 10 mg or more of a Maillard reaction product per 10 g of roasted coffee beans. A coffee-like supplement containing at least one nicotinic acid compound, at least one Maillard reaction product, and/or at least one metabolite of the Maillard reaction product.
    Type: Application
    Filed: September 28, 2005
    Publication date: September 18, 2008
    Applicant: TAMA-TLO Corporation
    Inventors: Kitaro Oka, Keisuke Kagami, Takafumi Hara, Saho Sugimoto