Patents by Inventor Keita KURODA

Keita KURODA 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).

  • Catheter
    Patent number: 11534531
    Abstract: A catheter (1) has a distal side and a proximal side and includes a tip part (10) and a main body part (20) disposed proximal to the tip part (10), the main body part (20) includes a first layer (21) and a second layer (22), the first layer (21) contains 60% by mass or more of an ethylene-tetrafluoroethylene copolymer, the second layer (22) is disposed inside of the first layer (21) in a radial direction of the catheter (1) and contains 60% by mass or more of a polyamide resin, and a cantilever bending load of the tip part (10) is smaller than a cantilever bending load of the main body part (20).
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: December 27, 2022
    Assignee: KANEKA CORPORATION
    Inventors: Keita Kuroda, Youhei Kurose
  • CATHETER
    Publication number: 20200237969
    Abstract: A catheter (1) has a distal side and a proximal side and includes a tip part (10) and a main body part (20) disposed proximal to the tip part (10), the main body part (20) includes a first layer (21) and a second layer (22), the first layer (21) contains 60% by mass or more of an ethylene-tetrafluoroethylene copolymer, the second layer (22) is disposed inside of the first layer (21) in a radial direction of the catheter (1) and contains 60% by mass or more of a polyamide resin, and a cantilever bending load of the tip part (10) is smaller than a cantilever bending load of the main body part (20).
    Type: Application
    Filed: December 4, 2018
    Publication date: July 30, 2020
    Applicant: KANEKA CORPORATION
    Inventors: Keita KURODA, Youhei KUROSE
  • Pneumatic tire
    Patent number: 9561688
    Abstract: A pneumatic tire has a tread portion provided with two crown main groove and two shoulder main grooves and divided into a center land zone, two middle land zones and two shoulder land zones. The middle land zone is provided with middle auxiliary grooves. The shoulder land zone is provided with shoulder axial grooves. The width of the shoulder axial groove at the axially outer end is more than the width of the shoulder axial groove at the axially inner end. Through the shoulder main groove, the shoulder axial grooves are continued to the respective middle auxiliary grooves.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: February 7, 2017
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Keita Kuroda, Yosuke Matsuda, Hiroaki Ninomiya
  • PNEUMATIC TIRE
    Publication number: 20140209225
    Abstract: A pneumatic tire has a tread portion provided with two crown main groove and two shoulder main grooves and divided into a center land zone, two middle land zones and two shoulder land zones. The middle land zone is provided with middle auxiliary grooves. The shoulder land zone is provided with shoulder axial grooves. The width of the shoulder axial groove at the axially outer end is more than the width of the shoulder axial groove at the axially inner end. Through the shoulder main groove, the shoulder axial grooves are continued to the respective middle auxiliary grooves.
    Type: Application
    Filed: January 13, 2014
    Publication date: July 31, 2014
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventors: Keita KURODA, Yosuke MATSUDA, Hiroaki NINOMIYA