Patents by Inventor Shigeru Shikahama

Shigeru Shikahama 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: 20240381974
    Abstract: The present invention provides a sole contact body for footwear such as a shoe, an athletic shoe, or a sandal. The sole contact body comprises a raised part which is configured to contact each of the second, third and fourth toes to lift the metatarsophalangeal and proximal interphalangeal joint positions thereof, and which is configured to fit between the first and fifth toes so as not to lift the first and fifth toes throughout the entire lengths thereof. The raised part is configured to have a first toe-side stepped surface that touches the side of the first toe closer to the tip of the first toe than the metatarsophalangeal joint position thereof, and a fifth toe-side stepped surface that touches the side of the fifth toe closer to the tip of the fifth toe than the metatarsophalangeal joint position thereof.
    Type: Application
    Filed: December 13, 2021
    Publication date: November 21, 2024
    Inventor: Shigeru SHIKAHAMA
  • Patent number: 10383757
    Abstract: Provide a correcting device capable of being placed onto a nail without applying an excessive force to the nail or of being properly applicable for correcting nails having different sizes. The correcting device includes a left arm and a right arm, each having an engageable part disposed on a free end so as to be engageable with a side edge of a nail; and a fulcrum member disposed between the left and right arms and having a lower end serving as an abutting part for contact with the nail. The fulcrum member includes a shaft part combined with the base member so as to be vertically movable with respect to the base member by screw movement, a movable member combined with the shaft part so as to be vertically movable with respect to the shaft part and having the abutting part under the shaft part, and an urging member interposed between the shaft part and the movable member so as to urge the movable member.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: August 20, 2019
    Assignee: SHIKAHAMA CO., LTD.
    Inventor: Shigeru Shikahama
  • Publication number: 20180353371
    Abstract: There is provided a method for training a mimetic muscle, comprising preparing a massage roller, the massage roller including a roller base made of a material free of elastic deformation, and a plurality of elastic ridges formed on a circumferential roller surface of the roller base so as to continuously extend in a direction along an axis of rotation of the roller base such that adjacent ridges in a rotational direction of the roller base are spaced; and creating a certain facial expression on a face so as to contract, in a contracting direction, a mimetic muscle to be trained; and reciprocating the massage roller along a continuously extending direction of the mimetic muscle with a location of a face skin corresponding to one end portion of the mimetic muscle being pressed so as to pull the mimetic muscle in a direction opposite to the contracting direction.
    Type: Application
    Filed: August 17, 2018
    Publication date: December 13, 2018
    Applicant: SHIKAHAMA CO., LTD.
    Inventor: Shigeru SHIKAHAMA
  • Publication number: 20160128862
    Abstract: Provide a correcting device capable of being placed onto a nail without applying an excessive force to the nail or of being properly applicable for correcting nails having different sizes. The correcting device includes a left arm and a right arm, each having an engageable part disposed on a free end so as to be engageable with a side edge of a nail; and a fulcrum member disposed between the left and right arms and having a lower end serving as an abutting part for contact with the nail. The fulcrum member includes a shaft part combined with the base member so as to be vertically movable with respect to the base member by screw movement, a movable member combined with the shaft part so as to be vertically movable with respect to the shaft part and having the abutting part under the shaft part, and an urging member interposed between the shaft part and the movable member so as to urge the movable member.
    Type: Application
    Filed: April 9, 2014
    Publication date: May 12, 2016
    Applicant: SHIKAHAMA CO., LTD.
    Inventor: Shigeru SHIKAHAMA
  • Publication number: 20030230847
    Abstract: A sheet feed roller capable of achieving highly accurate sheet feed distance has an outer peripheral surface including a feed surface that extends at least locally in an axial direction of the roller over an entire circumference of the roller. The feed surface of the roller is provided with a plurality of projections, including microscopic spikes that can be pierced into the sheet, and stoppers for limiting a piercing depth of the spikes in the sheet.
    Type: Application
    Filed: May 30, 2003
    Publication date: December 18, 2003
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Shigeru Shikahama, Morihiro Miyashita