Patents Assigned to Shofu Dental Manufacturing Co., Ltd.
  • Fluorescent dental porcelain
    Patent number: 4158641
    Abstract: A porcelain dental composition for artificial teeth which includes an aluminum silicate, alkali or alkaline earth aluminosilicate or an alkali or alkaline earth aluminate fluorescent material and an activator including europium.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: June 19, 1979
    Assignee: Shofu Dental Manufacturing Co., Ltd.
    Inventors: Kozo Miyai, Narishige Suzuki, Takaya Kawakami, Ikuo Kuze