Patents by Inventor Rieko Tsujino

Rieko Tsujino 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).

  • Deodorant microphone cover and method of producing the same
    Patent number: 6071527
    Abstract: An antibacterial deodorant cover for a microphone which includes a matrix member, such as an organic polymeric substance, and having a predetermined configuration. The matrix member carries a calcium phosphate compound having a Ca/P ratio in the range of about 1.0 to 2.0. The antibacterial deodorant cover further includes a device for fixing the matrix member to a head of the microphone.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: June 6, 2000
    Assignees: Asahi Kogaku Kogyo Kabushiki Kaisha, Crealife Corporation
    Inventors: Rieko Tsujino, Shinichi Nagata, Fumie Osaki
  • Washing agents
    Patent number: 5914133
    Abstract: A washing agent which comprises spherical particles having an average particle diameter in the range of about 2 to 40 microns, at least a surface portion of which particles comprises or consists of, or consists essentially or substantially of a calcium phosphate compound having a Ca/P ratio in the range of about 1.0 to 2.0, and spherical particles having an average particle diameter in the range of about 80 to 200 microns, at least a surface portion of which particles comprises or consists of, or consists essentially or substantially of a calcium phosphate compound having a Ca/P ratio in the range of about 1.0 to 2.0. The washing agent, when used in cleaning of the feet and elbows, can remove a wide variety of bacteria, thereby making the feet and elbows clean, in addition to removing the aged and deteriorated cuticles.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: June 22, 1999
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventor: Rieko Tsujino