Patents by Inventor Takuji Shikita

Takuji Shikita 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).

  • Prosthetic substituted member for living body and a method for the surgical treatment by use thereof
    Patent number: 4336617
    Abstract: The invention provides an artificial prosthetic member for bone substitute with a novel structure comprising a core, an outer layer covering the core made of metallic aluminum, preferably, formed by electrolytic plating, and a surface layer on the outer layer formed of an anodically oxidized aluminum oxide. The prosthetic member of the invention is very advantageous with high affinity to the living tissues and absence of elution of poisonous metallic ions.
    Type: Grant
    Filed: January 21, 1981
    Date of Patent: June 29, 1982
    Assignees: Shin-Etsu Chemical Company Limited, Siemens Aktiengesellschaft
    Inventors: Takuji Shikita, Susumu Sakaguchi
  • Granular ceramic carrier for administration of medicines and medicine supported therein
    Patent number: 4293540
    Abstract: Disclosed is a carrier for administration of medicines, which consists of a granular shaped article of a porous ceramic material having communicating fine pores. Pores of this carrier are impregnated with a medicine, or a capsule is formed from this carrier and the inner space of the carrier is filled with a medicine. In the resulting impregnated carrier or filled capsule, a desirable property of gradually releasing the medicine is obtained and a good durability of the effect of the medicine can be attained.
    Type: Grant
    Filed: February 12, 1980
    Date of Patent: October 6, 1981
    Assignee: Kyoto Ceramic Co., Ltd.
    Inventors: Takuji Shikita, Masaya Hirabayashi