Patents by Inventor Takeshi Funakubo

Takeshi Funakubo 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: 20160003984
    Abstract: A laminated film including a support; an optical functional layer on A surface side of the support and condenses or diffuses incident light; and a hard coat layer of at least 150 nm thick which is provided on the outermost layer of B surface side that is opposite to the A surface side of the support and has an inorganic component formed of a hydrolyzate of alkoxysilane or a UV curable resin as a main component, has excellent brightness. The hard coat layer has high hardness and the adhesiveness between the hard coat layer and a support is excellent.
    Type: Application
    Filed: September 11, 2015
    Publication date: January 7, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Takeshi FUNAKUBO, Hidemasa HOSODA, Tatsuya NOMURA, Kazuhito MIYAKE
  • Patent number: 8883045
    Abstract: The present invention provides a metal nanowire-containing composition containing at a least metal nanowire and a heterocyclic compound having an interaction potential of less than ?1 mV.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: November 11, 2014
    Assignee: Fujifilm Corporation
    Inventors: Yoichi Hosoya, Naoharu Kiyoto, Nori Miyagishima, Takeshi Funakubo, Kenji Naoi, Ryoji Nishimura
  • Publication number: 20140246629
    Abstract: The present invention provides metal nanowires containing at least metal nanowires having a diameter of 50 nm or less and a major axis length of 5 ?m or more in an amount of 50% by mass or more in terms of metal amount with respect to total metal particles.
    Type: Application
    Filed: May 15, 2014
    Publication date: September 4, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Nori MIYAGISHIMA, Ryoji NISHIMURA, Yoichi HOSOYA, Takeshi FUNAKUBO, Kenji NAOI
  • Publication number: 20140205853
    Abstract: A transparent conductive coating film comprising at least a metal nanowire, wherein the transparent conductive coating film has a ratio of a bent wire in the metal nanowire of 10% or less, a surface resistivity of 150 ?/? or less, and a haze value of 1.0% or less.
    Type: Application
    Filed: March 25, 2014
    Publication date: July 24, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Takeshi FUNAKUBO, Kenichi Yamamoto, Nori Miyagishima
  • Patent number: 8288021
    Abstract: A flat metal particle-containing composition including flat metal particles containing silver and a metal nobler than the silver, wherein the metal nobler than the silver is located near surfaces of the flat metal particles and wherein an amount of the metal nobler than the silver is 10?3 atomic % to 5 atomic % relative to the silver contained in the flat metal particles.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: October 16, 2012
    Assignee: FUJIFILM Corporation
    Inventor: Takeshi Funakubo
  • Publication number: 20110250437
    Abstract: A flat metal particle-containing composition including flat metal particles containing silver and a metal nobler than the silver, wherein the metal nobler than the silver is located near surfaces of the flat metal particles and wherein an amount of the metal nobler than the silver is 10?3 atomic % to 5 atomic % relative to the silver contained in the flat metal particles.
    Type: Application
    Filed: March 31, 2011
    Publication date: October 13, 2011
    Inventor: Takeshi FUNAKUBO
  • Publication number: 20110240905
    Abstract: A flat metal particle-containing composition including flat metal particles and a heterocyclic ring compound, wherein the heterocyclic ring compound has a silver interaction potential EAg which is lower than ?1 mV.
    Type: Application
    Filed: April 1, 2011
    Publication date: October 6, 2011
    Inventors: Takeshi Funakubo, Yoichi Hosoya
  • Publication number: 20100078602
    Abstract: The present invention provides a metal nanowire-containing composition containing at a least metal nanowire and a heterocyclic compound having an interaction potential of less than ?1 mV.
    Type: Application
    Filed: September 30, 2009
    Publication date: April 1, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoichi Hosoya, Naoharu Kiyoto, Nori Miyagishima, Takeshi Funakubo, Kenji Naoi, Ryoji Nishimura
  • Publication number: 20100078070
    Abstract: A solar battery, which contains a transparent conductive layer having an average transmittance of 80% or more with an electromagnetic wave having a wavelength of 1,100 nm to 2,000 nm, and a sheet resistance of 20 ohm/sq. or less, in which the transparent conductive layer contains metal nanowires.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 1, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: YOICHI HOSOYA, TAKESHI FUNAKUBO, NORI MIYAGISHIMA, KENJI NAOI, RYOJI NISHIMURA, TERUHIKO KURAMACHI
  • Publication number: 20100078197
    Abstract: The present invention provides metal nanowires containing at least metal nanowires having a diameter of 50 nm or less and a major axis length of 5 ?m or more in an amount of 50% by mass or more in terms of metal amount with respect to total metal particles.
    Type: Application
    Filed: September 30, 2009
    Publication date: April 1, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: NORI MIYAGISHIMA, RYOJI NISHIMURA, YOICHI HOSOYA, TAKESHI FUNAKUBO, KENJI NAOI
  • Patent number: 7455960
    Abstract: The invention provides a photothermographic material having, on both sides of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, which is to be exposed with X-rays using a fluorescent intensifying screen, wherein (1) a coating amount of the photosensitive silver halide per one side is from 0.01 g/m2 to 0.45 g/m2 in terms of silver amount; and (2) a crossover (%) is 30% or more, or when parallel light having the same wavelength as a main emission peak wavelength of the fluorescent intensifying screen is incident perpendicular to the surface of the photothermographic material, the parallel light component of transmitted light comprises 5% or more of the incident light. A photothermographic material for medical use having high sensitivity and high image quality is provided.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: November 25, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Takeshi Funakubo
  • Patent number: 7358038
    Abstract: The present invention provides a black and white photothermographic material having, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, as well as an image forming method. The black and white photothermographic material is characterized in that 50% or more of a total projected area of the photosensitive silver halide is occupied by tabular grains having a (111) face as a major face; the tabular grains have at least 2 parallel twin crystal planes in a grain; and a variation coefficient of a distribution of distances between closest twin crystal planes is 20% or less. Also provided is an image forming method that includes image exposure using fluorescent intensifying screens and thermal development.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: April 15, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Takeshi Funakubo, Kiyoteru Miyake
  • Publication number: 20070082301
    Abstract: Provided is an image forming method including providing a photothermographic material having image forming layers containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder on both surfaces of a support, imagewise exposing the photothermographic material with a fluorescent intensifying screen, and thermally developing the photothermographic material in a thermal developing apparatus having a heating section, wherein the heating section has at least two heating means and a difference between a sensitivity when the photothermographic material is developed at 25° C. and relative humidity of 75% and a sensitivity when the photothermographic material is developed at 25° C. and relative humidity of 20% is 0.20 or less. An image forming method similar to that described above in which the photothermographic material has an antistatic layer is also provided.
    Type: Application
    Filed: November 9, 2006
    Publication date: April 12, 2007
    Inventors: Takayoshi Oyamada, Takeshi Funakubo
  • Publication number: 20070026349
    Abstract: The invention provides a photothermographic material having, on both sides of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, which is to be exposed with X-rays using a fluorescent intensifying screen, wherein (1) a coating amount of the photosensitive silver halide per one side is from 0.01 g/m2 to 0.45 g/m2 in terms of silver amount; and (2) a crossover (%) is 30% or more, or when parallel light having the same wavelength as a main emission peak wavelength of the fluorescent intensifying screen is incident perpendicular to the surface of the photothermographic material, the parallel light component of transmitted light comprises 5% or more of the incident light. A photothermographic material for medical use having high sensitivity and high image quality is provided.
    Type: Application
    Filed: October 5, 2006
    Publication date: February 1, 2007
    Inventor: Takeshi Funakubo
  • Patent number: 7166408
    Abstract: Provided is an image forming method including providing a photothermographic material having image forming layers containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder on both surfaces of a support, imagewise exposing the photothermographic material with a fluorescent intensifying screen, and thermally developing the photothermographic material in a thermal developing apparatus having a heating section, wherein the heating section has at least two heating means and a difference between a sensitivity when the photothermographic material is developed at 25° C. and relative humidity of 75% and a sensitivity when the photothermographic material is developed at 25° C. and relative humidity of 20% is 0.20 or less. An image forming method similar to that described above in which the photothermographic material has an antistatic layer is also provided.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: January 23, 2007
    Assignee: Fujifilm Corporation
    Inventors: Takayoshi Oyamada, Takeshi Funakubo
  • Patent number: 7150963
    Abstract: A silver halide emulsion containing a compound represented by the following formula (1) or (2): wherein R1 represents an OH group, an SH group, or an —NR2R3 group in which R2 and R3 each independently represent a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkylsulfonyl group, or an arylsulfonyl group; L represents an alkenylene group, an arylene group, an —N?N— group, a divalent aromatic heterocyclic group, or a —C(R4)?N— group in which R4 represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; n represents 0 or 1; X and Y each independently represent a nitrogen atom or a —CR5— group in which R5 represents a hydrogen atom or a substituent bondable to the carbon atom; Z represents an atomic group in the 5- to 7-membered ring; and M represents a hydrogen atom, a metal ion, or a quaternary ammonium ion.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: December 19, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Katsuyuki Watanabe, Hideo Hanawa, Takeshi Funakubo
  • Patent number: 7144692
    Abstract: The invention provides a photothermographic material having, on both sides of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, which is to be exposed with X-rays using a fluorescent intensifying screen, wherein (1) a coating amount of the photosensitive silver halide per one side is from 0.01 g/m2 to 0.45 g/m2 in terms of silver amount; and (2) a crossover (%) is 30% or more, or when parallel light having the same wavelength as a main emission peak wavelength of the fluorescent intensifying screen is incident perpendicular to the surface of the photothermographic material, the parallel light component of transmitted light comprises 5% or more of the incident light. A photothermographic material for medical use having high sensitivity and high image quality is provided.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: December 5, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Takeshi Funakubo
  • Patent number: 7115358
    Abstract: The present invention provides a black and white photothermographic material having, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, as well as an image forming method. The black and white photothermographic material is characterized in that 1) the non-photosensitive organic silver salt includes at least one compound selected from the group consisting of a silver salt of an azole compound and a silver salt of a mercapto compound, and 2) the photosensitive silver halide has a spectral sensitizing dye in the form of a multilayer adsorbed on its surface. According to the invention, an improved black and white photothermographic material and image forming method realizing high sensitivity, favorable gradation, and less dependence on developing process conditions are provided.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: October 3, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takeshi Funakubo, Takeshi Suzumoto
  • Publication number: 20060177782
    Abstract: The present invention provides a black and white photothermographic material having, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, as well as an image forming method. The black and white photothermographic material is characterized in that 50% or more of a total projected area of the photosensitive silver halide is occupied by tabular grains having a (111) face as a major face; the tabular grains have at least 2 parallel twin crystal planes in a grain; and a variation coefficient of a distribution of distances between closest twin crystal planes is 20% or less. Also provided is an image forming method that includes image exposure using fluorescent intensifying screens and thermal development.
    Type: Application
    Filed: January 30, 2006
    Publication date: August 10, 2006
    Inventors: Kazutaka Takahashi, Takeshi Funakubo, Kiyoteru Miyake
  • Publication number: 20050277073
    Abstract: The invention provides a photothermographic material having, on both sides of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, which is to be exposed with X-rays using a fluorescent intensifying screen, wherein (1) a coating amount of the photosensitive silver halide per one side is from 0.01 g/m2 to 0.45 g/m2 in terms of silver amount; and (2) a crossover (%) is 30% or more, or when parallel light having the same wavelength as a main emission peak wavelength of the fluorescent intensifying screen is incident perpendicular to the surface of the photothermographic material, the parallel light component of transmitted light comprises 5% or more of the incident light. A photothermographic material for medical use having high sensitivity and high image quality is provided.
    Type: Application
    Filed: June 13, 2005
    Publication date: December 15, 2005
    Inventor: Takeshi Funakubo