Patents by Inventor Akitaka HAMAJIMA

Akitaka HAMAJIMA 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).

  • Toilet seat and method of manufacturing same
    Patent number: 10441118
    Abstract: Provided is a method of manufacturing a toilet seat that is formed by joining together a seat front member and a seat rear member. The method includes a cutting step of forming a processed surface of a joint part between the seat front member and the seat rear member by cutting the joint part between the seat front member and the seat rear member with a cutting tool having a curved cutting blade part such that the shape of the processed surface is formed in a curved shape in which the seat rear member side thereof protrudes outward in a cross section perpendicular to the direction in which the joint part extends.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: October 15, 2019
    Assignee: LIXIL Corporation
    Inventors: Akitaka Hamajima, Yudai Morikawa, Motoki Kagawa, Toshiaki Ikeda, Ryuichi Yokoi, Kouta Higuchi, Ryosuke Nakamura, Ryosuke Suzuki
  • TOILET SEAT AND METHOD OF MANUFACTURING SAME
    Publication number: 20180220857
    Abstract: Provided is a method of manufacturing a toilet seat that is formed by joining together a seat front member and a seat rear member. The method includes a cutting step of forming a processed surface of a joint part between the seat front member and the seat rear member by cutting the joint part between the seat front member and the seat rear member with a cutting tool having a curved cutting blade part such that the shape of the processed surface is formed in a curved shape in which the seat rear member side thereof protrudes outward in a cross section perpendicular to the direction in which the joint part extends.
    Type: Application
    Filed: August 23, 2016
    Publication date: August 9, 2018
    Applicant: LIXIL Corporation
    Inventors: Akitaka HAMAJIMA, Yudai MORIKAWA, Motoki KAGAWA, Toshiaki IKEDA, Ryuichi YOKOI, Kouta HIGUCHI, Ryosuke NAKAMURA, Ryosuke SUZUKI