Patents by Inventor Tomoharu KOISO

Tomoharu KOISO 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: 20210161640
    Abstract: Provided is an in-vivo indwelling tube having a high flap strength and passing smoothly through a conduit of an endoscope. A tubular member having a proximal side and a distal side; a proximal flap, including a base end on a proximal side and a free end on a distal side, on the proximal side of the tubular member; and a distal flap, including a base end on a distal side and a free end on a proximal side, on the distal side of the tubular member are arranged; where the tubular member includes a distal side first supporting member provided on a distal side of a midpoint between the base end and the free end of the distal flap or a proximal side first supporting member provided on a proximal side of a midpoint between the base end and the free end of the proximal flap.
    Type: Application
    Filed: June 7, 2018
    Publication date: June 3, 2021
    Applicant: KANEKA CORPORATION
    Inventor: Tomoharu KOISO
  • Publication number: 20200170774
    Abstract: Provided is an in-vivo indwelling tube having a high flap strength and capable of smoothing the passing through a conduit of an endoscope. A method for producing an in-vivo indwelling tube having one end and the other end, the method including the steps of: arranging, in a lumen of the first tubular member, the other end of the second tubular member; joining the first tubular member and the second tubular member; arranging the second tubular member in a lumen of a third tubular member in which an axial length is shorter than the second tubular member; joining the second tubular member and the third tubular member; arranging one end of the second tubular member in a lumen on the other end side of the fourth tubular member including a flap with a base end and a free end; and joining the second tubular member and the fourth tubular member.
    Type: Application
    Filed: June 7, 2018
    Publication date: June 4, 2020
    Applicant: KANEKA CORPORATION
    Inventors: Tomoharu KOISO, Jiaying LIU, Youhei KUROSE