Patents by Inventor Kazuo Kiyokawa

Kazuo Kiyokawa 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).

  • Coldproof chewing gum
    Patent number: 4254148
    Abstract: A gum base for the coldproof chewing gum comprises 0 to 15% of natural resin, 10 to 20% of vinyl acetate resin, 6 to 16% of ester gum, 12 to 25% of rubber, 12 to 20% of wax, 14 to 20% of emulsifier and 10 to 20% of filler. The coldproof chewing gum may be combined with a frozen dessert such as an ice cream. A coldproof bubble chewing gum is also disclosed.
    Type: Grant
    Filed: July 27, 1979
    Date of Patent: March 3, 1981
    Assignee: Lotte Co., Ltd.
    Inventors: Koichi Ogawa, Shichigoro Tezuka, Takashi Maruyama, Kazuo Kiyokawa