Patents by Inventor Kunio Banba

Kunio Banba 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).

  • Hydraulic circuit of tilt device for marine propulsion unit
    Patent number: 6461205
    Abstract: In a hydraulic circuit of a tilt device for a marine propulsion unit provided with a tilt cylinder device and a trim cylinder device, a throttle is provided in a communication passage connecting a first chamber of the trim cylinder device to a tank.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: October 8, 2002
    Assignee: Showa Corporation
    Inventors: Kunio Banba, Yoshimi Watanabe
  • Tilt device for marine propulsion unit
    Patent number: 6454619
    Abstract: To provide a tilt device for a marine propulsion unit comprising a pair of cylinder devices to be disposed at right and left of a marine propelling unit. Also a hydraulic fluid supply/discharge unit which are separately formed from both cylinder devices, respectively and disposed between both cylinder devices to be coupled with the both cylinder devices.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: September 24, 2002
    Assignee: Showa Corporation
    Inventors: Yasuo Funami, Kunio Banba
  • Hydraulic circuit of tilt device for marine propulsion unit
    Publication number: 20020031960
    Abstract: In a hydraulic circuit of a tilt device for a marine propulsion unit provided with a tilt cylinder device and a trim cylinder device, a throttle is provided in a communication passage connecting a first chamber of the trim cylinder device to a tank.
    Type: Application
    Filed: September 7, 2001
    Publication date: March 14, 2002
    Inventors: Kunio Banba, Yoshimi Watanabe
  • Hydraulic pump assembly with accumulator and oil reservoir
    Patent number: 5104294
    Abstract: A hydraulic pump composed of a pump and an accumulator combined therewith has an outer shell divided into an accumulator cylinder of metal and a tank of resin. The accumulator cylinder and said tank have thicker side portions, respectively, which define therein an outlet oil passage and an inlet oil passage, respectively.
    Type: Grant
    Filed: June 13, 1991
    Date of Patent: April 14, 1992
    Assignee: Kabushiki Kaisha Showa Seisakusho
    Inventor: Kunio Banba