Patents by Inventor Mutsumi Muto

Mutsumi Muto 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).

  • Publication number: 20110000563
    Abstract: A communication section located within a piping section and communicating with a common first port introducing/exhausting fluid is formed such that the diameter of the communication section is larger than the inner diameter of a valve-opening/closing passage by passing the communication section through the piping section from the external, further including a lid sealing the through hole.
    Type: Application
    Filed: November 2, 2007
    Publication date: January 6, 2011
    Inventors: Takayuki Ito, Mutsumi Muto