Patents Assigned to Shioda Dental Manufacturing Co., Ltd.
  • Patent number: 5707233
    Abstract: An articurator is comprised of a mandibular frame being provided with condyles, a maxillary frame mounted on the mandibular frame via condylar guide mechanisms, an anterior guide table provided on the front end of the mandibular frame, and an anterior guide pin provided on the front end of the maxillary frame. The anterior guide table comprises a table portion and lateral wings. The table portion has a sagittal inclination angle adjusting mechanism, and the lateral wings has lateral wing angles adjusting mechanisms. The anterior guide pin makes contact with and slides on an anterior guide mechanism formed by the surface of the anterior guide table. The condylar guide mechanisms in which the condyle is positioned have condylar path inclination angle adjusting mechanisms. The sagittal inclination angle, the lateral wing angles, and the condylar path inclination angles are to be adjusted by two steps to specified values of a first group and to specified values of a second group.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: January 13, 1998
    Assignees: Shioda Dental Manufacturing Co., Ltd., Sumiya Hobo
    Inventors: Sumiya Hobo, Hisao Takayama
  • Patent number: 4445855
    Abstract: An articulation detector for articulators of the kind wherein condylar elements mounted on a lower jaw member and glenoid fossae assemblies of an upper jaw member are made of a conductive material, comprises an electric power source, a luminous element and a pair of detecting electrode, all of which are connected in series. The electrodes are adapted to be connected to the lower jaw member and an incisal pin mounted on the upper jaw member of the articulator when the detector is in use. The adjustment of the articulator or prosthetic appliances may be detected by observing the light emitted from the luminous element.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: May 1, 1984
    Assignee: Shioda Dental Manufacturing Co., Ltd.
    Inventors: Sumiya Hobo, Koji Okamoto
  • Patent number: 4260377
    Abstract: A dental articulator comprises a lower jaw member having a pair of condylar elements and a pair of upwardly extending arms, and an upper jaw member having a pair of glenoid cavities, each condylar element being held in each of the glenoid cavities to articulate the upper and lower jaw members, wherein a pair of condylar shafts for supporting a pair of condylar elements are mounted on the free ends of the arms in horizontal and inward directions.
    Type: Grant
    Filed: April 19, 1979
    Date of Patent: April 7, 1981
    Assignee: Shioda Dental Manufacturing Co., Ltd.
    Inventors: Sumiya Hobo, Nobuhiro Shioda