Patents by Inventor Ryuzou Kubota

Ryuzou Kubota 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: 20040159730
    Abstract: A toilet paper roll capable of remarkably reducing unwinding noise when used as a toilet paper roll, improving a refuse treatment measure by easily crushing and disposing off a thick core of the paper roll, reducing the production cost of the paper roll, flowing the thick core into a toilet and, when used, allowed to be recovered generally to a circular section form for practical use while the storage and transportation costs of the paper roll are reduced, comprising the thick core(1) made of thin paper of approx. 4 cm in outside diameter and toilet paper(2) generally softly wound on the thick core(1) from the first to the last, wherein the thick core(1) is formed flat as required, and the toilet paper(2) is also formed in a flat elliptic shape so as to follow up the flat thick core(1).
    Type: Application
    Filed: February 17, 2004
    Publication date: August 19, 2004
    Applicant: Kasuga Seishikogyo Co., Ltd.
    Inventors: Ryuzou Kubota, Sukesada Watanabe
  • Publication number: 20030132330
    Abstract: A toilet paper roll capable of remarkably reducing unwinding noise when used as a toilet paper roll, improving a refuse treatment measure by easily crushing and disposing off a thick core of the paper roll, reducing the production cost of the paper roll, flowing the thick core into a toilet and, when used, allowed to be recovered generally to a circular section form for practical use while the storage and transportation costs of the paper roll are reduced, comprising the thick core(1) made of thin paper of approx. 4 cm in outside diameter and toilet paper(2) generally softly wound on the thick core(1) from the first to the last, wherein the thic kcore(1) is formed flat as required, and the toilet paper(2) is also formed in a flat elliptic shape so as to follow up the flat thick core(1).
    Type: Application
    Filed: December 2, 2002
    Publication date: July 17, 2003
    Inventors: Ryuzou Kubota, Sukesada Watanabe