Patents by Inventor Yasumichi OTA

Yasumichi OTA 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).

  • Shoulder straps for backpack and backpack provided with same
    Patent number: 11134767
    Abstract: Provided are shoulder straps for a backpack in which the entire width of the shoulder strap is brought into contact with the shoulder from the upper joint portion with the backpack main body to the front part of the shoulder, thereby capable of dispersing a load concentrated on a local part of the shoulder, and a backpack including the shoulder straps for a backpack. A pair of left and right shoulder straps for a backpack, each of the shoulder straps for a backpack includes a core material having elasticity and a surface fabric covering the core material, wherein the core material has a difference in elevation so that a thickness of an outside of each shoulder strap is thicker than a thickness of an inside of each shoulder strap at least at a portion contacting a body.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: October 5, 2021
    Assignee: RYOHIN KEIKAKU CO., LTD.
    Inventors: Manami Mizumura, Yasumichi Ota, Ryo Ishii
  • SHOULDER STRAPS FOR BACKPACK AND BACKPACK PROVIDED WITH SAME
    Publication number: 20200060411
    Abstract: Provided are shoulder straps for a backpack in which the entire width of the shoulder strap is brought into contact with the shoulder from the upper joint portion with the backpack main body to the front part of the shoulder, thereby capable of dispersing a load concentrated on a local part of the shoulder, and a backpack including the shoulder straps for a backpack. A pair of left and right shoulder straps for a backpack, each of the shoulder straps for a backpack includes a core material having elasticity and a surface fabric covering the core material, wherein the core material has a difference in elevation so that a thickness of an outside of each shoulder strap is thicker than a thickness of an inside of each shoulder strap at least at a portion contacting a body.
    Type: Application
    Filed: September 29, 2017
    Publication date: February 27, 2020
    Applicant: RYOHIN KEIKAKU CO., LTD.
    Inventors: Manami MIZUMURA, Yasumichi OTA, Ryo ISHII