Patents by Inventor Kiyokazu Ikai

Kiyokazu Ikai 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).

  • Tack labels and plastic containers with such tack labels
    Patent number: 6964805
    Abstract: A tack label difficult to peel from a container in a processing environment with normal temperature water and easy to peel from the container in a processing environment with hot water and a plastic container. The tack label according to this invention includes a label base material, a printing layer formed on one surface of this label base material, and an adhesive layer formed on the surface of the other of a label base material. The adhesive layer comprises an adhesive that is difficult to dissolve under an environment with normal temperature water and easy to dissolve under a processing environment with hot water. The result is a tack label that is difficult to peel from the container in a washing process, but easy to peel in a regenerating process.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: November 15, 2005
    Assignee: Yoshino Kogyosho Co., Ltd.
    Inventors: Tadashi Kuriyama, Shuichi Koshio, Takashi Miya, Masashi Sasaki, Kiyokazu Ikai