Patents by Inventor Naohiro Matsunaga

Naohiro Matsunaga 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: 11051930
    Abstract: According to the present invention, there are provided a membrane for immunoisolation, including: a porous membrane that contains a polymer, in which the porous membrane includes a layered compact portion where a pore diameter is the smallest within the membrane, and a pore diameter continuously increases in a thickness direction from the compact portion toward at least one surface of the porous membrane; a chamber for transplantation for enclosing a biological constituent therein, including the above-described membrane for immunoisolation on at least a part of a surface forming an inside and an outside of the chamber for transplantation; and a device for transplantation, including the above-described chamber for transplantation enclosing the biological constituent therein. In the membrane for immunoisolation of the present invention which can be manufactured at low costs, a deterioration in substance permeability is unlikely to occur.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: July 6, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yusuke Mochizuki, Kentaro Nakamura, Shigeaki Ohtani, Naohiro Matsunaga, Ryuta Takegami
  • Patent number: 11045587
    Abstract: According to the present invention, there is provided a membrane for immunoisolation, including a porous membrane that contains a polymer, in which Formulas (I) and (II) are satisfied for at least one surface of the porous membrane, B/A?0.7 (I) and A?0.015 (II) (in the formula, A represents a ratio of an N element to a C element on a surface of the membrane, and B represents a ratio of the N element to the C element at a depth of 30 nm from the surface of the membrane); a chamber for transplantation for enclosing a biological constituent therein, including the above-described membrane for immunoisolation on at least a part of a surface forming an inside and an outside of the chamber for transplantation; and a device for transplantation includes the above-described chamber for transplantation enclosing the above-described biological constituent therein. The membrane for immunoisolation of the present invention has a high bioaffinity.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: June 29, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yusuke Mochizuki, Kentaro Nakamura, Shigeaki Ohtani, Naohiro Matsunaga, Ryuta Takegami
  • Patent number: 10433541
    Abstract: Provided are an antibacterial liquid having excellent sedimentation resistance, an antibacterial film formed using the antibacterial liquid, and a wet wipe produced using the antibacterial liquid. The antibacterial liquid is an antibacterial liquid including antibacterial microparticles, a binder, and a solvent, in which the antibacterial microparticles contain a silver-supporting inorganic oxide, the average particle size of the antibacterial microparticles is 1.0 ?m or less, the binder includes at least one silane compound, the solvent includes an alcohol and water, and the content of the alcohol with respect to the total mass of the antibacterial liquid is 10% by mass or more.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: October 8, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Mitsumasa Hamano, Naohiro Matsunaga, Yusuke Hatanaka
  • Publication number: 20190262509
    Abstract: According to the present invention, there is provided a membrane for immunoisolation, including a porous membrane that contains a polymer, in which Formulas (I) and (II) are satisfied for at least one surface of the porous membrane, B/A?0.7 (I) and A?0.015 (II) (in the formula, A represents a ratio of an N element to a C element on a surface of the membrane, and B represents a ratio of the N element to the C element at a depth of 30 nm from the surface of the membrane); a chamber for transplantation for enclosing a biological constituent therein, including the above-described membrane for immunoisolation on at least a part of a surface forming an inside and an outside of the chamber for transplantation; and a device for transplantation includes the above-described chamber for transplantation enclosing the above-described biological constituent therein. The membrane for immunoisolation of the present invention has a high bioaffinity.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 29, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yusuke MOCHIZUKI, Kentaro NAKAMURA, Shigeaki OHTANI, Naohiro MATSUNAGA, Ryuta TAKEGAMI
  • Publication number: 20190262490
    Abstract: An object of the invention is to provide particles that have excellent deodorizing properties but do not easily settle down in a case in which the particles are applied to a dispersion liquid. Another object of the invention is to provide a dispersion liquid and a film, both using the particles; a deodorizing material including the particles, the dispersion liquid, or the film; and a wet wiper and a spray, both including the dispersion liquid. A composite particle of the invention includes a polymer particle; and at least one kind of inorganic particle selected from the group consisting of metals and metal oxides, the inorganic particle being supported on the surface of the polymer particle, in which the inorganic particles have an average particle diameter of less than 100 nm.
    Type: Application
    Filed: May 14, 2019
    Publication date: August 29, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Mitsumasa HAMANO, Tadashi ITO, Naohiro MATSUNAGA, Shigeaki OHTANI
  • Publication number: 20190262122
    Abstract: According to the present invention, there are provided a membrane for immunoisolation, including: a porous membrane that contains a polymer, in which the porous membrane includes a layered compact portion where a pore diameter is the smallest within the membrane, and a pore diameter continuously increases in a thickness direction from the compact portion toward at least one surface of the porous membrane; a chamber for transplantation for enclosing a biological constituent therein, including the above-described membrane for immunoisolation on at least a part of a surface forming an inside and an outside of the chamber for transplantation; and a device for transplantation, including the above-described chamber for transplantation enclosing the biological constituent therein. In the membrane for immunoisolation of the present invention which can be manufactured at low costs, a deterioration in substance permeability is unlikely to occur.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 29, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yusuke MOCHIZUKI, Kentaro NAKAMURA, Shigeaki OHTANI, Naohiro MATSUNAGA, Ryuta TAKEGAMI
  • Publication number: 20180116208
    Abstract: Provided are an antibacterial liquid having excellent sedimentation resistance, an antibacterial film formed using the antibacterial liquid, and a wet wipe produced using the antibacterial liquid. The antibacterial liquid is an antibacterial liquid including antibacterial microparticles, a binder, and a solvent, in which the antibacterial microparticles contain a silver-supporting inorganic oxide, the average particle size of the antibacterial microparticles is 1.0 ?m or less, the binder includes at least one silane compound, the solvent includes an alcohol and water, and the content of the alcohol with respect to the total mass of the antibacterial liquid is 10% by mass or more.
    Type: Application
    Filed: November 2, 2017
    Publication date: May 3, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Mitsumasa HAMANO, Naohiro MATSUNAGA, Yusuke HATANAKA
  • Publication number: 20170164609
    Abstract: An object of the present invention is to provide an antibacterial sheet which is particularly extremely effective for preventing cloudiness or dew condensation and can prevent or inhibit the bacterial multiplication, an antibacterial coat, a laminate, and an antibacterial solution. The antibacterial sheet of the present invention has a support and at least one antibacterial layer disposed on the support, in which the antibacterial layer contains a binder and at least one kind of an antibacterial agent, and a water contact angle of only the binder is equal to or less than 20°.
    Type: Application
    Filed: February 23, 2017
    Publication date: June 15, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIBATA, Shin OZAWA, Tetsuo KAWANO, Jou TOMINAGA, Naohiro MATSUNAGA, Hideo NAGASAKI, Naoharu KIYOTO, Yusuke HATANAKA
  • Publication number: 20160071992
    Abstract: Disclosed is a back sheet for solar cells including a supporter and an A layer including at least a nonionic surfactant which has an ethylene glycol chain but does not have a carbon-carbon triple bond on at least one surface side of the supporter, in which the surface resistance value SR on the side provided with the A layer is in a range of 1.0×1010?/? to 5.5×1015?/?, and the improvement of the partial discharge voltage and the adhesiveness to an encapsulating material that encapsulates a solar cell are both achieved and a solar cell module including the back sheet for solar cells.
    Type: Application
    Filed: October 1, 2015
    Publication date: March 10, 2016
    Applicant: FUJIFILM Corporation
    Inventors: HIDEKI TOMIZAWA, NAOHIRO MATSUNAGA, NAOKI KOITO
  • Publication number: 20160064586
    Abstract: To provide a solar cell back sheet having excellent weather resistance and durability in which high adhesiveness to a sealing material for sealing a solar cell element is maintained for a long period of time even under harsh conditions of a high temperature and a high humidity and a solar cell module including the same. The solar cell back sheet including a supporter; and a coating layer (B) including a polymer having a yield point; and a coating layer (C) on at least one surface side of the supporter in this order, in which the coating layer (C) is in direct contact with a sealing material for a solar cell module to which the solar cell back sheet is applied and a solar cell module including the same.
    Type: Application
    Filed: November 12, 2015
    Publication date: March 3, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Hideki TOMIZAWA, Naohiro MATSUNAGA, Naoki KOITO
  • Patent number: 8208197
    Abstract: An optical film includes a filmy support that includes a polymer having all alicyclic structure; an ultraviolet absorbing layer; and a hardcoat layer, wherein the ultraviolet absorbing layer has a beam transmittance of 5% or less in a wavelength region of 200 to 340 nm and includes at least one ultraviolet absorbent selected from the group consisting of a metal oxide fine particle and a polymer particle.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: June 26, 2012
    Assignee: Fujifilm Corporation
    Inventors: Tetsuya Asakura, Hiroyuki Yoneyama, Naohiro Matsunaga
  • Publication number: 20120107518
    Abstract: A Method for producing an antireflection film comprising a transparent support, at least one hard coat layer, and a low refractive index layer, the method including: coating a coating composition for forming the hard coat layer on or above the transparent support and curing the coating composition for forming the hard coat layer upon irradiation with light in an atmosphere at an oxygen concentration of 1% or less to form the hard coat layer; and coating a coating composition for forming the low refractive index layer on or above the hard coat layer and curing the coating composition for forming the low refractive index layer upon irradiation with light in an atmosphere at an oxygen concentration of 1% or less to form the low refractive index layer.
    Type: Application
    Filed: September 23, 2011
    Publication date: May 3, 2012
    Applicant: FujiFilm Corporation
    Inventors: Naohiro Matsunaga, Shuntaro Ibuki
  • Patent number: 8124224
    Abstract: An antireflection laminate includes a support; a layer having hardcoat property; an overcoat layer; and a low refractive index layer, wherein at least one layer of the layer having hardcoat property and the overcoat layer comprises a metal oxide particle, and the antireflection laminate has a surface haze value of 0 to 12%, an internal haze value of 0 to 60%, and a Sm value of 40 to 200 ?m.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: February 28, 2012
    Assignee: Fujifilm Corporation
    Inventors: Shinya Kato, Hiroyuki Yoneyama, Naohiro Matsunaga
  • Patent number: 8115888
    Abstract: A liquid crystal display device includes a light source, at least one optical member having a periodic structure of 75 ?m or more, pixels disposed in a matrix state, and at least one optical member with light scattering properties.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: February 14, 2012
    Assignee: Fujifilm Corporation
    Inventors: Jun Watanabe, Ryuji Saneto, Naohiro Matsunaga
  • Patent number: 8081281
    Abstract: A liquid crystal display device includes: a protective film; a polarizing plate; a liquid crystal cell for display; and a backlight, in this order, wherein the protective film is an antiglare optical film including a transparent substrate and at least one antiglare layer and having a concavo-convex shape on a surface of the antiglare optical film, and an integrated frequency value of tilted plane components having tilt angles between a normal line of the transparent substrate and a normal line of the concavo-convex shape on a surface of the antiglare optical film ranging from 0.05 to 0.25° is from 10 to 25% while an integrated frequency value of tilted plane components having the tilt angles ranging from 1.5 to 2.5° is from 10 to 25%.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: December 20, 2011
    Assignee: Fujifilm Corporation
    Inventors: Naohiro Matsunaga, Jun Watanabe, Takuji Okura, Yutaro Mitsumori, Yasushi Tanabe, Ryuji Saneto
  • Patent number: 7645502
    Abstract: An anti-dazzling film is provided, which includes a triacetylcellulose film and an anti-dazzling layer provided on the triacetylcellulose film. The anti-dazzling layer includes a coating composition including an acrylic light transparent resin, plastic light transparent fine particles, and a leveling agent including a copolymer including (meth)acrylic acid repeating units containing at least one perfluoroalkyl group having 8 or more carbon atoms and (meth)acrylic acid repeating units having at least one bornane ring. A low-refractive index layer is provided on the anti-dazzling film to constitute an antireflection film.
    Type: Grant
    Filed: October 6, 2004
    Date of Patent: January 12, 2010
    Assignees: Dai Nippon Printing Co., Ltd., Fuji Photo Film Co., Ltd.
    Inventors: Koichi Mikami, Yukimitsu Iwata, Norinaga Nakamura, Naohiro Matsunaga
  • Patent number: 7601427
    Abstract: A curable composition is provided and contains (A) at least either a hydrolyzed product of organosilane or a condensation reaction product of the hydrolyzed product having a mass average molecular weight of from 500 to 10,000 in terms of ethylene glycol, (B) a fluorine-containing resin having a mass average molecular weight of 5,000 or more in terms of polystyrene, and a fluoroalkyl structure and a polysiloxane structure, and (C) a silane coupling agent represented by a prescribed formula or at least either a hydrolyzed product of the silane coupling agent or a condensation reaction product of the hydrolyzed product.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: October 13, 2009
    Assignee: Fujifilm Corporation
    Inventors: Shinya Kato, Hiroyuki Yoneyama, Naohiro Matsunaga
  • Patent number: 7542207
    Abstract: An antiglare and antireflection film having sufficiently high antireflection performance and at the same time, having excellent image display quality. An antiglare and antireflection film comprising a transparent support and at least one antiglare hard coat layer, wherein the at least one antiglare hard coat layer comprises a first light-transmissive particle having an average particle size of 60% to less than 95% based on the thickness of the antiglare hard coat layer, and a second light-transmissive particle having an average particle size of 105% to less than 140% based on the layer thickness.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: June 2, 2009
    Assignee: Fujifilm Corporation
    Inventor: Naohiro Matsunaga
  • Publication number: 20090080081
    Abstract: An optical film includes: a transparent substrate; and an antiglare layer containing a light transmissive resin and a first light transmissive particle, and having a thickness of from 8 to 15 ?m, wherein the first light transmissive particle has a particle size of from 5.5 to 10 ?m and a refractive index of from 1.55 to 1.58, and a ratio of the particle size of the first light transmissive particle to the thickness of the antiglare layer is from 0.30 to 0.75.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 26, 2009
    Inventors: Katsumi Inoeu, Tetsuya Asakura, Naohiro Matsunaga, Jun Watanabe, Hiroyuki Yoneyama
  • Publication number: 20090080082
    Abstract: A liquid crystal display device includes: a protective film; a polarizing plate; a liquid crystal cell for display; and a backlight, in this order, wherein the protective film is an antiglare optical film including a transparent substrate and at least one antiglare layer and having a concavo-convex shape on a surface of the antiglare optical film, and an integrated frequency value of tilted plane components having tilt angles between a normal line of the transparent substrate and a normal line of the concavo-convex shape on a surface of the antiglare optical film ranging from 0.05 to 0.25° is from 10 to 25% while an integrated frequency value of tilted plane components having the tilt angles ranging from 1.5 to 2.5° is from 10 to 25%.
    Type: Application
    Filed: September 23, 2008
    Publication date: March 26, 2009
    Inventors: Naohiro MATSUNAGA, Jun WATANABE, Takuji OKURA, Yutaro MITSUMORI, Yasushi TANABE, Ryuji SANETO