Patents by Inventor Hiroyuki Tohira

Hiroyuki Tohira 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: 6056989
    Abstract: A pH adjustor for drinks comprising a potassium salt as an active ingredient wherein said potassium salt comprises an effective amount for adjusting pH of at least two members selected from the group consisting of potassium carbonate, dipotassium hydrogenphosphate and potassium hydroxide, whereby the pH adjustor is capable of suppressing the deterioration of aroma and/or taste due to lowering of pH by retort sterilization.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: May 2, 2000
    Assignee: Japan Tobacco, Inc.
    Inventors: Michiko Sasagawa, Takeshi Itoh, Hiroyuki Tohira
  • Patent number: 4605016
    Abstract: A new process for preparing a tobacco flavoring formulation is provided. In this process, tobacco leaves are extracted with cold water 0.degree.-10.degree. C. in a quantity at most five times as much as the amount thereof, an extracted liquid obtained by solid-liquid separation is concentrated at a temperature of 30.degree.-50.degree. C. to a solute concentration of 25-35%, and the thus obtained concentrated extract is compounded with a polyvalent alcohol into said formulation.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: August 12, 1986
    Assignee: Japan Tobacco, Inc.
    Inventors: Kiyomi Soga, Nobuyoshi Tenjin, Hiroyuki Tohira, Naoyoshi Ninomiya, Yasuhiro Nishikata