Patents by Inventor Miyuki Kakinuma

Miyuki Kakinuma 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).

  • Process for the production of spherical particles of ceramics
    Patent number: 5030391
    Abstract: A process for the production of spherical ceramics particles which are useful as a filling material for osseous defects, as a carrier for drug delivery system and as a packing material for a liquid chromatography includes the steps of forming a first spherical particle consisting of a particulate ceramics-based core and a shell of polymeric material covering the core by using microcapsule technology, and removing the shell from the first spherical ceramic particle to obtain the sperical particles.
    Type: Grant
    Filed: September 13, 1988
    Date of Patent: July 9, 1991
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Masaya Sumita, Miyuki Kakinuma