Patents by Inventor Akihiro Karasawa

Akihiro Karasawa 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).

  • Spray
    Publication number: 20050006894
    Abstract: A spray including a hollow main shaft, a main shaft rotation portion fitted to be rotatable around the main shaft, and an external ring fitted on the rotation portion. The external ring pressing the rotation portion onto the main shaft so that fluid cannot enter the interface between the rotation portion and the main shaft. The spray further including a three- or four-way joint connected to the rotation portion, an angle joint connected to the three- or four-way joint, and a nozzle joint connected to the three- or four-way joint or the angle joint. The nozzle joint having a nozzle end and a concave bearing portion end, where the bearing portion is closely fitted on a spherical joint portion of the angle joint thus allowing the connection angle to be freely changed. The rotation portion is rotated by the force of the fluid being sprayed out of the nozzle joint.
    Type: Application
    Filed: March 18, 2004
    Publication date: January 13, 2005
    Applicant: KABUSHIKI KAISHA SUIKOSHA
    Inventor: Akihiro Karasawa
  • Water spray nozzle component
    Patent number: D506531
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: June 21, 2005
    Assignee: Suikosha Corp.
    Inventor: Akihiro Karasawa
  • Water spray nozzle component
    Patent number: D507332
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: July 12, 2005
    Assignee: Suikosha Corp.
    Inventor: Akihiro Karasawa
  • Water spray nozzle component
    Patent number: D508111
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: August 2, 2005
    Assignee: Suikosha Corp.
    Inventor: Akihiro Karasawa
  • Water spray nozzle link
    Patent number: D510131
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: September 27, 2005
    Assignee: Suikosha Corp.
    Inventor: Akihiro Karasawa