Patents by Inventor Ryuzo Takai

Ryuzo Takai 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).

  • Container for sparkling beverage and bubble generating means
    Patent number: 6601833
    Abstract: A container for a sparkling beverage which includes, on its inside bottom portion or surface, a bubble generator having a bubble generating portion for generating bubbles in such a manner that an aggregation of bubbles forms substantially the same shape as a mark on the surface of a beverage.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: August 5, 2003
    Assignees: Shiga Prefecture
    Inventors: Ryuzo Takai, Takashi Nakajima, Hiroaki Takahata, Kimiko Otani
  • Container for sparkling beverage and bubble generating means
    Publication number: 20020000678
    Abstract: A container for a sparkling beverage which comprises, on its inside bottom portion or surface, the bubble generating means having a bubble generating portion for generating bubbles in such a manner that an aggregation of bubbles forms substantially the same shape as the mark on the surface of a beverage.
    Type: Application
    Filed: May 23, 2001
    Publication date: January 3, 2002
    Inventors: Ryuzo Takai, Takashi Nakajima, Hiroaki Takahata, Kimiko Otani
  • Light-storing glazes and light-storing fluorescent ceramic articles
    Patent number: 4963441
    Abstract: A light-storing glaze comprising (a) a mixture of base components for a frit consisting of: per 100 parts by weight of the mixture (a), about 10 to about 50 parts by weight of B.sub.2 O.sub.3, about 1 to about 20 parts by weight of Al.sub.2 O.sub.3, 0 to about 10 parts by weight of ZnO, about 2 to about 15 parts by weight of Na.sub.2 O, 0 to about 60 parts by weight of SiO.sub.2, 0 to about 15 parts by weight of CaO, 0 to about 5 parts by weight of K.sub.2 O and 0 to about 5 parts by weight of MgO, and (b) about 20 to about 80 parts by weight of sulphide-type light-storing fluorescent material per 100 parts by weight of the mixture (a), and a light-storing fluorescent ceramic article having a surface coated with such glaze.
    Type: Grant
    Filed: December 13, 1985
    Date of Patent: October 16, 1990
    Assignee: Shiga Prefecture
    Inventors: Ryuzo Takai, Masao Miyadai