Patents by Inventor Masahiko Murasaki

Masahiko Murasaki 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).

  • Furnace observation apparatus
    Patent number: 6325621
    Abstract: A furnace observation apparatus for observing the state in a high temperature atmosphere furnace, which comprises an optical member to be inserted and disposed in a through-hole formed in a furnace wall of the furnace, made of a material having a softening point higher than the furnace temperature and being capable of transmitting an image observed in the furnace, and a photographing means to be disposed outside of the furnace, for photographing the image observed in the furnace, transmitted from the optical member.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: December 4, 2001
    Assignee: Asahi Glass Machinery Co., Ltd.
    Inventors: Masahiko Murasaki, Sumio Kaieda