Patents by Inventor Hidesaburo Ishii

Hidesaburo Ishii 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).

  • Tube fitting
    Publication number: 20060087117
    Abstract: A tube fitting capable of absorbing vibration and shock resulting from a high pressure fluid passing through the tube fitting while it is used includes a connection head, a connection nipple, and an intermediate connection member. The connection head and the connection nipple are provided with an annular collar projecting from an end surface of the connection head and the connection nipple. The connection head, the connection nipple and the intermediate connection member are joined by inserting the annular collars into both ends of the intermediate connection member.
    Type: Application
    Filed: December 13, 2005
    Publication date: April 27, 2006
    Inventors: Hidesaburo Ishii, Kazuo Yano
  • Tube fitting
    Patent number: 7007982
    Abstract: A tube fitting capable of absorbing vibration and shock resulting from a high pressure fluid passing through the tube fitting while it is used includes a connection head, a connection nipple, and an intermediate connection member. The connection head and the connection nipple are provided with an annular collar projecting from an end surface of the connection head and the connection nipple. The connection head, the connection nipple and the intermediate connection member are joined by inserting the annular collars into both ends of the intermediate connection member.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: March 7, 2006
    Inventors: Hidesaburo Ishii, Kazuo Yano
  • Tube fitting
    Publication number: 20030205900
    Abstract: A tube fitting capable of absorbing vibration and shock resulting from a high pressure fluid passing through the tube fitting while it is used includes a connection head, a connection nipple, and an intermediate connection member. The connection head and the connection nipple are provided with an annular collar projecting from an end surface of the connection head and the connection nipple. The connection head, the connection nipple and the intermediate connection member are joined by inserting the annular collars into both ends of the intermediate connection member.
    Type: Application
    Filed: April 28, 2003
    Publication date: November 6, 2003
    Inventors: Hidesaburo Ishii, Kazuo Yano
  • Hose coupling
    Patent number: 4564221
    Abstract: A hose coupling of a simple construction is disclosed which is capable of attaining airtight or watertight connection of a hose to a coupling body, effective prevention of disconnection of the hose therefrom in use, and disconnection of the hose therefrom at the time of exchange.The hose coupling includes an O-ring, a holding ring for securely holding a hose to the coupling, and a collar for releasing engagement between the hose and the coupling which are arranged in a fluid passage of the coupling. The holding ring and collar are held in position by means of expansion spring rings.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: January 14, 1986
    Assignee: Chiyoda Tsusho K.K.
    Inventor: Hidesaburo Ishii