Patents by Inventor Yuma NAKAO

Yuma NAKAO 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).

  • Patent number: 11957557
    Abstract: A diaper 1 has a disposal tape 10 on its outer surface. The disposal tape 10 is composed of a fixed portion 12, an extensible portion 15, and a fastening portion 18 arranged in that order along the longitudinal direction X1 of the disposal tape 10 and Z-folded in that order. Unfolded, the extensible portion 15 is extensible in the longitudinal direction X1 of the disposal tape 10. The disposal tape 10 in the unfolded configuration has a first connection region 31 where the extensible portion 15 and the fastening portion overlap and a second connection region 32 where the extensible portion 15 and the fixed portion 12 overlap. At least one of the first and second connection regions has a bonded region 33 and a non-bonded region 36 where the extensible portion 15 and the fastening portion 18 or fixed portion 12 are not bonded, the non-bonded region 36 being located longitudinally proximal to the bonded region 33.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: April 16, 2024
    Assignee: KAO CORPORATION
    Inventors: Yuma Nakao, Yuko Fukuda
  • Publication number: 20210093491
    Abstract: A diaper 1 has a disposal tape 10 on its outer surface. The disposal tape 10 is composed of a fixed portion 12, an extensible portion 15, and a fastening portion 18 arranged in that order along the longitudinal direction X1 of the disposal tape 10 and Z-folded in that order. Unfolded, the extensible portion 15 is extensible in the longitudinal direction X1 of the disposal tape 10. The disposal tape 10 in the unfolded configuration has a first connection region 31 where the extensible portion 15 and the fastening portion overlap and a second connection region 32 where the extensible portion 15 and the fixed portion 12 overlap. At least one of the first and second connection regions has a bonded region 33 and a non-bonded region 36 where the extensible portion 15 and the fastening portion 18 or fixed portion 12 are not bonded, the non-bonded region 36 being located longitudinally proximal to the bonded region 33.
    Type: Application
    Filed: April 5, 2019
    Publication date: April 1, 2021
    Applicant: KAO CORPORATION
    Inventors: Yuma NAKAO, Yuko FUKUDA