Patents by Inventor Daisuke Hattori

Daisuke Hattori 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: 20210048575
    Abstract: The present invention is directed to an optical member including: a first layer that includes a first region having a refractive index n1 and a second region having a refractive index n3; and a second layer disposed on a first main surface of the first layer so as to be in contact with the first region and the second region, the second layer having a refractive index n2. The first layer includes a plurality of said second regions adjoining the first region along a planar direction of the first layer; the plurality of second regions constitute a geometric pattern; and n1 to n3 satisfy the relationship n1<n3<n2. When an optical member according to the present invention is integrated with a lightguide in use, excellent light extraction function is exhibited and leakage of light due to light scattering is suppressed, while attaining good mechanical strength at the same time.
    Type: Application
    Filed: March 22, 2019
    Publication date: February 18, 2021
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kari RINKO, Kozo NAKAMURA, Daisuke HATTORI
  • Publication number: 20200355866
    Abstract: Provided is a film for an LED backlight, which can enhance the waveguide efficiency of a light guide plate in a sidelight-type planar backlight. The film for an LED backlight of the present invention includes: a low-refractive index layer; and a first pressure-sensitive adhesive layer arranged on at least one side of the low-refractive index layer, wherein the low-refractive index layer has a refractive index of 1.25 or less. In one embodiment, the low-refractive index layer is configured to be a porous body having voids. In one embodiment, the low-refractive index layer has a void ratio of 35 vol % or more.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 12, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Kozo Nakamura, Atsushi Kishi
  • Publication number: 20200348462
    Abstract: Provided are: a film for an LED lighting apparatus, which allows the front surface and/or back surface of a light guide unit to have any appropriate film laminated thereon, or to be subjected to any appropriate surface treatment, while suppressing a reduction in waveguide efficiency of light in a lighting apparatus having an LED light source arranged on one end surface of a light guide plate and being configured to emit light from an end surface opposed to the end surface (entrance end surface) on which the LED light source is arranged; and an LED lighting apparatus including the film for an LED lighting apparatus. The film for an LED lighting apparatus of the present invention includes: a base material; and a low-refractive index layer arranged on at least one side of the base material. In one embodiment, the low-refractive index layer has a refractive index of 1.25 or less.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 5, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Kozo Nakamura, Atsushi Kishi
  • Patent number: 10815355
    Abstract: The present invention provides, for example, a silicone porous body having a porous structure with less cracks and a high proportion of void space as well as having a strength. The silicone porous body of the present invention includes silicon compound microporous particles, wherein the silicon compound microporous particles are chemically bonded by catalysis. For example, the abrasion resistance measured with BEMCOT® is in the range from 60% to 100%, and the folding endurance measured by the MIT test is 100 times or more. The silicone porous body can be produced, for example, by forming the precursor of the silicone porous body using sol containing pulverized products of a gelled silicon compound and then chemically bonding the pulverized products contained in the precursor of the silicone porous body. The chemical bond among the pulverized products is preferably a chemical crosslinking bond among the pulverized products, for example.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: October 27, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiromoto Haruta, Kozo Nakamura, Kazuki Uwada, Hiroyuki Takemoto, Nao Murakami, Daisuke Hattori
  • Publication number: 20200288610
    Abstract: An electronic component mounting device including a component tape in which a cover tape is adhered to a carrier tape accommodating multiple electronic components at a predetermined pitch; a tape feeder for feeding the component tape from a tape reel, with having a peeling mechanism for peeling the cover tape from the carrier tape at a component supply position; a mounting head configured to take out electronic components from the carrier tape at the component supply position and mount the electronic components on a board; and a tape collection portion in which a static charge elimination member is provided along a discharge path of the carrier tape from which the electronic components have been taken out, the discharge path being through a discharge duct from the tape feeder to a collection box.
    Type: Application
    Filed: November 14, 2017
    Publication date: September 10, 2020
    Applicant: FUJI CORPORATION
    Inventors: Tsutomu KUNIHIRO, Takeshi NISHIMOTO, Daisuke HATTORI
  • Patent number: 10741776
    Abstract: The present invention provides a flexible light-emitting device which is a flexible device with which the light leakage is less liable to occur even if it is deformed. In order to achieve the above object, the flexible light-emitting device of the present invention includes a light-emitting layer, a low refractive index layer, and a high refractive index layer, wherein the light-emitting layer, the low refractive index layer, and the high refractive index layer are stacked in this order, the low refractive index layer has a refractive index lower than that of the light-emitting layer and has a haze of less than 5%, and the high refractive index layer has a refractive index higher than that of the low refractive index layer.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: August 11, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kozo Nakamura, Daisuke Hattori, Jin Yoshikawa, Junichi Nagase, Kazuhito Hosokawa
  • Publication number: 20200247089
    Abstract: The present invention aims to provide a low refractive index layer-containing pressure-sensitive adhesive/adhesive sheet which is thin and has a low refractive index. In order to achieve the above object, the present invention provides a low refractive index layer-containing pressure-sensitive adhesive/adhesive sheet, the sheet including: a first pressure-sensitive adhesive/adhesive layer; a low refractive index layer; and a second pressure-sensitive adhesive/adhesive layer, the first pressure-sensitive adhesive/adhesive layer, the low refractive index layer, and the second pressure-sensitive adhesive/adhesive layer being laminated in this order, wherein the low refractive index layer has a refractive index of 1.25 or less.
    Type: Application
    Filed: December 25, 2017
    Publication date: August 6, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Kozo Nakamura, Ryota Morishima
  • Publication number: 20200233122
    Abstract: A void-containing layer is diclosed in which a pressure-sensitive adhesive or an adhesive is less likely penetrated into voids. The void-containing layer of the present invention includes: nanoparticles, surfaces of which are modified with a compound having a surface orientation, wherein the void-containing layer has a void fraction of 15 vol %.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 23, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Atsushi Kishi
  • Publication number: 20200224059
    Abstract: The present invention provides a void-containing layer in which a pressure-sensitive adhesive or an adhesive is less likely penetrated into voids. The void-containing layer of the present invention includes: nanoparticles, surfaces of which are modified with a compound having a surface orientation, wherein the void-containing layer has a void fraction of 35 vol %.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Atsushi Kishi
  • Publication number: 20200223175
    Abstract: The present invention provides a laminate of a void-containing layer and a pressure-sensitive adhesive/adhesive layer that achieves both a pressure-sensitive adhesive force or an adhesive force and a reduction of a tendency of a pressure-sensitive adhesive or an adhesive to penetrate into voids. The first laminate of the present invention includes: a void-containing layer (20); and a pressure-sensitive adhesive/adhesive layer (30), wherein the pressure-sensitive adhesive/adhesive layer (30) is directly laminated on one or both sides of the void-containing layer (20), the void-containing layer (20) has a void fraction of 35 vol % or more, and, after a heat/humidification durability test of holding at a temperature of 85° C. and a relative humidity of 85% for 500 hours, a void remaining ratio of the void-containing layer (20) is 50 vol % or more before the heat/humidification durability test.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Ryota Morishima, Atsushi Kishi, Akiko Sugino
  • Publication number: 20200198302
    Abstract: Provided is a transparent sheet that is prevented from curling, is excellent in external appearance, prevents the progress of a crack, and the rupture, of its glass, and is excellent in flexibility. A transparent sheet of the present invention includes: an inorganic glass; and a resin film bonded onto one side, or each of both sides, of the inorganic glass through an adhesion layer, in which: the inorganic glass has a thickness of from 35 ?m to 100 ?m; the adhesion layer has a single-layer thickness of more than 10 ?m and (the thickness of the inorganic glass×0.3) ?m or less; the adhesion layer has a modulus of elasticity at 25° C. of from 1.2 GPa to 10 GPa; and a ratio of a total thickness of the resin film to the thickness of the inorganic glass is from 0.9 to 4.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 25, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Daisuke Hattori, Tadayuki Kameyama
  • Patent number: 10678083
    Abstract: There is provided an optical member capable of causing, when used for a liquid crystal display apparatus, light output from a light source to enter a liquid crystal display panel with high efficiency. An optical member according to an embodiment of the present invention includes: a polarizing plate; a reflective polarizer; a ?/4 plate; and a prism layer, the polarizing plate, the reflective polarizer, the ?/4 plate, and the prism layer being integrated in the stated order.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: June 9, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kozo Nakamura, Daisuke Hattori, Kazuhito Hosokawa
  • Publication number: 20200166694
    Abstract: Provided is a light extraction member which can be obtained at an adequate cost, while achieving desired light output characteristics without requiring complicated design and structure, and which is easily combined with another member, while exhibiting excellent productivity and excellent handling properties. A light extraction member according to the present embodiment includes: a light guide part which has a first main surface being on the light output side and a second main surface being on the reverse side of the first main surface; and a light output control layer which is a predetermined pattern formed on the first main surface. With respect to this light extraction member, the refractive index n1 of the light guide part and the refractive index n2 of the light output control layer satisfy relational expression n1>n2; and the refractive index n2 of the light output control layer is from 1.01 to 1.30.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 28, 2020
    Inventors: Akiko SUGINO, Kozo NAKAMURA, Daisuke HATTORI
  • Publication number: 20200116921
    Abstract: The present invention provides an optical sheet for a light guide plate type liquid crystal display, including a low refractive index layer having an extremely low refractive index. The optical sheet A12 for a light guide plate type liquid crystal display (1000) according to the present invention includes a first optical film (light guide plate) (1010), a low refractive index layer (20), and a second optical film (reflection plate) (1020) laminated in this order, and the low refractive index layer (20) has a refractive index of 1.25 or less.
    Type: Application
    Filed: January 30, 2018
    Publication date: April 16, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Kozo Nakamura, Takahiro Yoshikawa
  • Publication number: 20200090154
    Abstract: According to one embodiment, a POS device includes a housing, a cover, a first detector, and a first driving mechanism. The housing includes an accommodation chamber configured to accommodate a product to which an RFID tag is attached, an opening portion for putting the product into the accommodation chamber being formed in the housing. The cover is configured to open and close the opening portion. The first detector is configured to detect whether a person is present near the housing. The first driving mechanism is configured to transition the cover from a closed state in which the cover closes the opening portion to an open state in which the cover opens the opening portion, based on the detection of the person by the first detector.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 19, 2020
    Inventors: Toshiyasu TERAHARA, Takahiro SHIMURA, Kouichi YAMADA, Daisuke HATTORI, Ryuta HARAGUCHI, Takuya TANAKA, Yasuhiro ONO, Dai NAMIKI, Takahiro TAMBARA
  • Patent number: 10494546
    Abstract: The present invention provides a coating material that allows a structure with void spaces having a strength and flexibility to be formed. The coating material of the present invention includes: pulverized products of a gelled silicon compound obtained from a silicon compound containing at least three or less functional groups having saturated bonds; and a dispersion medium, wherein the pulverized product contains a residual silanol group. The method of producing a coating material according to the present invention includes steps of: causing gelation of a silicon compound containing at least three or less functional groups having saturated bonds and mixing the gelled silicon compound and a dispersion medium. According to the coating material of the present invention, for example, a coating film is formed by coating a base with the coating material and a porous structure is formed by chemically bonding the pulverized products contained in the coating film.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: December 3, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiromoto Haruta, Hiroyuki Takemoto, Daisuke Hattori, Kozo Nakamura
  • Patent number: 10472483
    Abstract: The present invention provides, for example, a silicone porous body having a porous structure with less cracks and a high proportion of void space as well as having a strength. The silicone porous body of the present invention includes silicon compound microporous particles, wherein the silicon compound microporous particles are chemically bonded by catalysis. For example, the abrasion resistance measured with BEMCOT® is in the range from 60% to 100%, and the folding endurance measured by the MIT test is 100 times or more. The silicone porous body can be produced, for example, by forming the precursor of the silicone porous body using sol containing pulverized products of a gelled silicon compound and then chemically bonding the pulverized products contained in the precursor of the silicone porous body. The chemical bond among the pulverized products is preferably a chemical crosslinking bond among the pulverized products, for example.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: November 12, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiromoto Haruta, Kozo Nakamura, Kazuki Uwada, Hiroyuki Takemoto, Nao Murakami, Daisuke Hattori
  • Publication number: 20190330438
    Abstract: The present invention provides, for example, a silicone porous body having a porous structure with less cracks and a high proportion of void space as well as having a strength. The silicone porous body of the present invention includes silicon compound microporous particles, wherein the silicon compound microporous particles are chemically bonded by catalysis. For example, the abrasion resistance measured with BEMCOT® is in the range from 60% to 100%, and the folding endurance measured by the MIT test is 100 times or more. The silicone porous body can be produced, for example, by forming the precursor of the silicone porous body using sol containing pulverized products of a gelled silicon compound and then chemically bonding the pulverized products contained in the precursor of the silicone porous body. The chemical bond among the pulverized products is preferably a chemical crosslinking bond among the pulverized products, for example.
    Type: Application
    Filed: July 3, 2019
    Publication date: October 31, 2019
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hiromoto Haruta, Kozo Nakamura, Kazuki Uwada, Hiroyuki Takemoto, Nao Murakami, Daisuke Hattori
  • Patent number: 10435531
    Abstract: The present invention provides, for example, a silicone porous body having a porous structure with less cracks and a high proportion of void space as well as having a strength. The silicone porous body of the present invention includes silicon compound microporous particles, wherein the silicon compound microporous particles are chemically bonded by catalysis. For example, the abrasion resistance measured with BEMCOT® is in the range from 60% to 100%, and the folding endurance measured by the MIT test is 100 times or more. The silicone porous body can be produced, for example, by forming the precursor of the silicone porous body using sol containing pulverized products of a gelled silicon compound and then chemically bonding the pulverized products contained in the precursor of the silicone porous body. The chemical bond among the pulverized products is preferably a chemical crosslinking bond among the pulverized products, for example.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: October 8, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiromoto Haruta, Kozo Nakamura, Kazuki Uwada, Hiroyuki Takemoto, Nao Murakami, Daisuke Hattori
  • Patent number: 10385179
    Abstract: The present invention provides, for example, a silicone porous body having a porous structure with less cracks and a high proportion of void space as well as having a strength. The silicone porous body of the present invention includes silicon compound microporous particles, wherein the silicon compound microporous particles are chemically bonded by catalysis. For example, the abrasion resistance measured with BEMCOT® is in the range from 60% to 100%, and the folding endurance measured by the MIT test is 100 times or more. The silicone porous body can be produced, for example, by forming the precursor of the silicone porous body using sol containing pulverized products of a gelled silicon compound and then chemically bonding the pulverized products contained in the precursor of the silicone porous body. The chemical bond among the pulverized products is preferably a chemical crosslinking bond among the pulverized products, for example.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: August 20, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiromoto Haruta, Kozo Nakamura, Kazuki Uwada, Hiroyuki Takemoto, Nao Murakami, Daisuke Hattori