Patents by Inventor Ryuichi Hatai

Ryuichi Hatai 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).

  • Drinks containing cochineal colorant and method of preventing discoloration thereof
    Patent number: 6630186
    Abstract: The present invention provides a cochineal pigment-containing beverage comprising nigerooligosaccharide and an anti-fading method for a cochineal pigment-containing beverage comprising adding thereto nigerooligosaccharide.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: October 7, 2003
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Akihisa Takaichi, Toshihiko Okamoto, Tomoo Yamada, Ryuichi Hatai, Takashi Sato
  • Low-calorie beverage composition
    Patent number: 5830523
    Abstract: A low-calorie beverage composition containing an inorganic electrolyte component and an organic acid component, the composition being characterized by containing a stevia extract as a sweetener amount of 2 to 15 mg per mEq/l of inorganic electrolyte cation.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: November 3, 1998
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Akihisa Takaichi, Ryuichi Hatai
  • Health drink composition
    Patent number: 5437880
    Abstract: The invention provides a health drink composition comprising a hardly digestible saccharide and a carotenoid as essential ingredients and particularly the above drink composition containing 1-30 g/100 ml of the hardly digestible saccharide and 0.5-30 mg/100 ml of the carotenoid.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: August 1, 1995
    Assignee: Otsuka Pharmaceutical Co. Ltd.
    Inventors: Akihisa Takaichi, Toshihiko Okamoto, Ichiro Otsuka, Ryuichi Hatai