Patents by Inventor Masashi Uda

Masashi Uda 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: 11529267
    Abstract: This non-woven fabric comprises the following configuration. In this non-woven fabric for a liquid-permeable sheet of an absorbent article, said non-woven fabric comprising a thickness direction, a planar direction, a first face, and a second face: the non-woven fabric includes thermoplastic resin fibers, and cellulosic fibers, at least a portion whereof configures a plurality of fiber masses; the non-woven fabric further comprises a plurality of spaces which are adjacent to first regions of each of the plurality of fiber masses, said first regions facing the first face; and each of the plurality of fiber masses is not bonded to the thermoplastic resin fibers.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: December 20, 2022
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Masashi Uda
  • Patent number: 11026850
    Abstract: A nonwoven fabric for an outer sheet of an absorbent article has a liquid-impermeable sheet having moisture vapor permeability, the nonwoven fabric having a thickness direction and a planar direction, and a first surface and a second surface, the nonwoven fabric including thermoplastic resin fibers, and cellulosic fibers that are cellulosic fibers of which at least a portion form a plurality of fiber masses, the nonwoven fabric comprising a plurality of gaps that are adjacent to first regions of each of the plurality of fiber masses that are facing the first surface, wherein each of the plurality of fiber masses are not joined with the thermoplastic resin fibers.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: June 8, 2021
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Masashi Uda
  • Patent number: 11000429
    Abstract: A nonwoven fabric for an absorbent article has a plurality of first ridges and a plurality of first grooves on a first surface, each of the first ridges extending in a first direction and being provided with a first top surface including a first top section and first side surfaces, and each of the first grooves extending in the first direction; each of the first grooves of the nonwoven fabric has a plurality of second ridges and a plurality of bottom sections on the first surface, each of the second grooves being contiguous with two adjacent first ridges among the plurality of first ridges and having a second top section; the nonwoven fabric is provided with a plurality of predetermined recess units; and in each of the plurality of recess units, the fiber density of the first surface is lower than the fiber density of the first top surface.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: May 11, 2021
    Assignee: UNICHARM CORPORATION
    Inventors: Masashi Uda, Shinichi Ishikawa, Ryota Kawamori, Takashi Maruyama
  • Patent number: 10786400
    Abstract: An absorbent article for minimizing detachment between a top sheet and absorbent body, for stably maintaining an absorption performance, while maintaining a satisfactory feel on a skin of the top sheet. The top sheet has a plurality of raised sections extended in a lengthwise direction at predetermined intervals in a widthwise direction, and a plurality of furrow sections extended in the lengthwise direction between the raised sections. The furrow section has a first recess section including a first bottom section, and a plurality of second recess sections inside the first recess section. The second recess section includes a second bottom section having a highest fiber density of the top sheet. A portion at a second surface of a top section of the raised section is not joined to an absorbent body. The second bottom section of the second recess section of the furrow section is joined to the absorbent body.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: September 29, 2020
    Assignee: UNICHARM CORPORATION
    Inventors: Akira Hashino, Masashi Uda
  • Publication number: 20200268571
    Abstract: This non-woven fabric comprises the following configuration. In this non-woven fabric for a liquid-permeable sheet of an absorbent article, said non-woven fabric comprising a thickness direction, a planar direction, a first face, and a second face: the non-woven fabric includes thermoplastic resin fibers, and cellulosic fibers, at least a portion whereof configures a plurality of fiber masses; the non-woven fabric further comprises a plurality of spaces which are adjacent to first regions of each of the plurality of fiber masses, said first regions facing the first face; and each of the plurality of fiber masses is not bonded to the thermoplastic resin fibers.
    Type: Application
    Filed: October 17, 2016
    Publication date: August 27, 2020
    Inventors: Takuya MIYAMA, Satoru SAKAGUCHI, Masashi UDA
  • Patent number: 10750825
    Abstract: A shoe includes: a sole made of an elastic material and including a planta support configured to support a plantar surface of a foot; an upper attached to the sole and configured to cover the foot; and a heel counter provided above the planta support, arranged in a heel area of the upper, and covering a region of the foot from a medial side portion to a lateral side portion. The heel counter includes, in a lower rear portion of the heel area, a notch (deformation allowance portion) which is configured to allow impact deformation caused by upward movement of a rear portion of the planta support when the sole receives impact.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: August 25, 2020
    Assignee: Mizuno Corporation
    Inventors: Masashi Uda, Ken Nishikawa
  • Patent number: 10537480
    Abstract: An absorbent article capable of giving a sense of higher security to a user is provided. The absorbent article includes nonwoven fabric. The nonwoven fabric includes organic cotton fibers. The organic cotton fibers form a plurality of fiber lumps in the nonwoven fabric. The fiber lumps are configured to be visible from the outside. The light transmittance of the portion corresponding to the fiber lumps in the nonwoven fabric is lower than the light transmittance of a portion where the fiber lumps are not present in the nonwoven fabric.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: January 21, 2020
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Masashi Uda
  • Patent number: 10470946
    Abstract: A top sheet of a disposable diaper includes projections and depressions. The projection and the depression extend in the front-back direction, and are arranged alternately in the width direction. The top sheet includes a first region disposed at least in the rear waistline region and a second region disposed at least in a crotch region. A height of the first projection is higher than a height of the second projection. A first depression is provided with a widthwise projection configured to divide a space in a first depression extending in a front-back direction. A pitch of the first projection in the width direction is larger than a pitch of the second projection in the width direction.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: November 12, 2019
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Masashi Uda
  • Patent number: 10413456
    Abstract: An object of the present disclosure is to provide an absorbent body that is both soft and resistant to twisting. The absorbent body of the present disclosure is as follows. An absorbent body for an absorbent article includes thermoplastic resin fibers and cellulose-based water-absorbing fibers, at least some of the thermoplastic resin fibers have a first section 6? exposed on a surface of the liquid-permeable layer side of the absorbent body, a second section 6? exposed on a surface of the liquid-impermeable layer side of the absorbent body and a joint section 6?? connecting the first section 6? and second section 6?, and the tensile strength in a thickness direction of the absorbent body is 100 Pa or greater.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: September 17, 2019
    Assignee: UNICHARM CORPORATION
    Inventors: Yuki Noda, Masashi Uda, Takashi Maruyama
  • Publication number: 20190240086
    Abstract: An absorbent article capable of giving a sense of security to a user is provided. The absorbent article includes a nonwoven fabric. The nonwoven fabric includes organic cotton fibers and thermoplastic synthetic fibers. The organic cotton fibers form a plurality of fiber lumps in the nonwoven fabric. The surface of the organic cotton fibers is not coated with a petroleum-derived oil agent.
    Type: Application
    Filed: April 14, 2017
    Publication date: August 8, 2019
    Inventors: Takuya MIYAMA, Satoru SAKAGUCHI, Masashi UDA
  • Publication number: 20190240085
    Abstract: A top sheet of a disposable diaper includes projections and depressions. The projection and the depression extend in the front-back direction, and are arranged alternately in the width direction. The top sheet includes a first region disposed at least in the rear waistline region and a second region disposed at least in a crotch region. A height of the first projection is higher than a height of the second projection. A first depression is provided with a widthwise projection configured to divide a space in a first depression extending in a front-back direction. A pitch of the first projection in the width direction is larger than a pitch of the second projection in the width direction.
    Type: Application
    Filed: May 25, 2016
    Publication date: August 8, 2019
    Inventors: Takuya MIYAMA, Satoru SAKAGUCHI, Masashi UDA
  • Publication number: 20190151164
    Abstract: An absorbent article capable of giving a sense of higher security to a user is provided. The absorbent article includes nonwoven fabric. The nonwoven fabric includes organic cotton fibers. The organic cotton fibers form a plurality of fiber lumps in the nonwoven fabric. The fiber lumps are configured to be visible from the outside. The light transmittance of the portion corresponding to the fiber lumps in the nonwoven fabric is lower than the light transmittance of a portion where the fiber lumps are not present in the nonwoven fabric.
    Type: Application
    Filed: April 14, 2017
    Publication date: May 23, 2019
    Inventors: Takuya MIYAMA, Satoru SAKAGUCHI, Masashi UDA
  • Publication number: 20190142654
    Abstract: A nonwoven fabric for an absorbent article has a plurality of first ridges and a plurality of first grooves on a first surface, each of the first ridges extending in a first direction and being provided with a first top surface including a first top section and first side surfaces, and each of the first grooves extending in the first direction; each of the first grooves of the nonwoven fabric has a plurality of second ridges and a plurality of bottom sections on the first surface, each of the second grooves being contiguous with two adjacent first ridges among the plurality of first ridges and having a second top section; the nonwoven fabric is provided with a plurality of predetermined recess units; and in each of the plurality of recess units, the fiber density of the first surface is lower than the fiber density of the first top surface.
    Type: Application
    Filed: June 1, 2016
    Publication date: May 16, 2019
    Inventors: Masashi UDA, Shinichi ISHIKAWA, Ryota KAWAMORI, Takashi MARUYAMA
  • Publication number: 20190082781
    Abstract: A sole structure for a sports shoe that controls bendability of a forefoot region of the sole structure. The sole structure includes an upper midsole disposed on an upper side of the forefoot region of the sports shoe and formed of a soft elastic material, a lower midsole disposed under the upper midsole and formed of a soft elastic material, and an outsole that is disposed on a lower surface of the lower midsole and that has sole bent grooves extending substantially in a sole width direction. Both the lower surface of the upper midsole and the upper surface of the lower midsole have corrugated mating surfaces that are formed of wavy shapes extending substantially in a sole longitudinal direction. Ridge lines and trough lines of the wavy shapes of the upper midsole extend substantially in the sole width direction. The ridge lines of the wavy shapes of the upper midsole of a relatively higher hardness are overlapped with the sole bent grooves of the outsole in a vertical direction.
    Type: Application
    Filed: September 18, 2018
    Publication date: March 21, 2019
    Inventors: Kazunori IUCHI, Takao ODA, Shin HIRAI, Masashi UDA, Ayaka YAMADA
  • Publication number: 20190045884
    Abstract: A shoe includes: a sole made of an elastic material and including a planta support configured to support a plantar surface of a foot; an upper attached to the sole and configured to cover the foot; and a heel counter provided above the planta support, arranged in a heel area of the upper, and covering a region of the foot from a medial side portion to a lateral side portion. The heel counter includes, in a lower rear portion of the heel area, a notch (deformation allowance portion) which is configured to allow impact deformation caused by upward movement of a rear portion of the planta support when the sole receives impact.
    Type: Application
    Filed: August 9, 2018
    Publication date: February 14, 2019
    Inventors: Masashi Uda, Ken Nishikawa
  • Publication number: 20190000692
    Abstract: A nonwoven fabric for an outer sheet of an absorbent article has a liquid-impermeable sheet having moisture vapor permeability, the nonwoven fabric having a thickness direction and a planar direction, and a first surface and a second surface, the nonwoven fabric including thermoplastic resin fibers, and cellulosic fibers that are cellulosic fibers of which at least a portion form a plurality of fiber masses, the nonwoven fabric comprising a plurality of gaps that are adjacent to first regions of each of the plurality of fiber masses that are facing the first surface, wherein each of the plurality of fiber masses are not joined with the thermoplastic resin fibers.
    Type: Application
    Filed: October 13, 2016
    Publication date: January 3, 2019
    Inventors: Takuya MIYAMA, Satoru SAKAGUCHI, Masashi UDA
  • Publication number: 20180140479
    Abstract: An object of the present invention is to obtain a nonwoven fabric for an absorbent article that can produce a delicate, soft and smooth feel on the skin when it is contacted with a finger. The nonwoven fabric for an absorbent article has a configuration with a plurality of raised sections, and second hollow sections having, in first bottom sections of first hollow sections in a plurality of furrow sections provided in the spaces between adjacent raised sections, second bottom sections that are formed as depressions opening into the first bottom sections, the distance between the top section of any raised section and the top section of a raised section adjacent to that raised section being 0.5 to 2 mm, and the mean fiber size of the fibers forming at least the raised sections of the nonwoven fabric being 10 to 30 ?m.
    Type: Application
    Filed: August 13, 2015
    Publication date: May 24, 2018
    Inventors: Masashi UDA, Satoru SAKAGUCHI, Takuya MIYAMA
  • Publication number: 20180133072
    Abstract: An absorbent article includes a surface sheet that is a non-woven fabric including a first fiber layer configured from cotton and thermoplastic resin fibers and a second fiber layer configured from hydrophobic thermoplastic resin fibers. The non-woven fabric includes: a first surface that is the surface on the side facing the skin and that is formed from the second fiber layer; and a second surface that is the surface on the side not facing the skin and that faces an absorbent body. The non-woven fabric is provided with a plurality of protrusions protruding toward the first surface and a plurality of recessed sections that are provided between adjacent protruding sections and that are recessed toward the second surface. The protrusions include a gap section facing the second surface of the non-woven fabric.
    Type: Application
    Filed: August 26, 2015
    Publication date: May 17, 2018
    Inventors: Masashi UDA, Satoru SAKAGUCHI, Takuya MIYAMA
  • Publication number: 20180098895
    Abstract: An absorbent article for minimizing detachment between a top sheet and absorbent body, for stably maintaining an absorption performance, while maintaining a satisfactory feel on a skin of the top sheet. The top sheet has a plurality of raised sections extended in a lengthwise direction at predetermined intervals in a widthwise direction, and a plurality of furrow sections extended in the lengthwise direction between the raised sections. The furrow section has a first recess section including a first bottom section, and a plurality of second recess sections inside the first recess section. The second recess section includes a second bottom section having a highest fiber density of the top sheet. A portion at a second surface of a top section of the raised section is not joined to an absorbent body. The second bottom section of the second recess section of the furrow section is joined to the absorbent body.
    Type: Application
    Filed: February 29, 2016
    Publication date: April 12, 2018
    Inventors: Akira HASHINO, Masashi UDA
  • Patent number: 9901495
    Abstract: The present invention addresses the problem of providing an absorbent article that is provided with a liquid-permeable layer, said liquid-permeable layer having convex portions that are hollow inside, has an improved ability to transfer menstrual blood from the liquid-permeable layer to an absorbent body and can reduce the amount of the menstrual blood remaining in the liquid-permeable layer (in particular, the internal cavities in the convex portions). To solve this problem, provided is a sanitary napkin provided with a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorbent body that is interposed between the top sheet and the back sheet, wherein convex portions, said convex portions being hollow inside and formed in an excretion orifice contact region of the top sheet, are coated with a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm2/s at 40° C., a water retention rate of 0.01-4.0 mass % and a weight-average molecular weight of less than 1,000.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: February 27, 2018
    Assignee: UNICHARM CORPORATION
    Inventor: Masashi Uda