Patents by Inventor Seigoh Murakami

Seigoh Murakami 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).

  • Laser output unit
    Patent number: 5239552
    Abstract: A laser output unit according to the present invention comprises a body having a laser output port at an extreme and thereof, lenses provided within said body to condense laser beam introduced to emit it from the laser output port, and a protective glass provided between said laser output port and said lens within said body. A gas jet port and a gas exhaust port opposed to said gas jet port are provided at said body portion between said protective glass and said laser output port. A gas crosses at a position between the protective glass and the laser output port. Flying matter is blown away by the gas and does not arrive at the protective glass.
    Type: Grant
    Filed: March 31, 1992
    Date of Patent: August 24, 1993
    Assignees: Miyachi Technos Corporation, Mitsui Petrochemical Industries, Ltd.
    Inventors: Hiroyuki Okuyama, Minoru Kojima, Mitsugu Terada, Seigoh Murakami, Takahiro Uchida