Patents by Inventor Tsutomu Kita

Tsutomu Kita 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).

  • Patent number: 4031699
    Abstract: A port liner assembly comprises a tubular liner embedded in a cylinder head block as its moulding so as to be integrally formed into a heat-insulation wall surrounding an exhaust port formed in said cylinder head block, said tubular liner consisting of an outer tube and an inner tube spaced inside of said outer tube.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: June 28, 1977
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Yoshiyuki Suga, Tsutomu Kita, Ryusuke Harada