Patents by Inventor Takahiko Nojima
Takahiko Nojima 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).
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Patent number: 11971563Abstract: Disclosed is a near-infrared absorbing composition, including: a near-infrared absorbing agent; and a solvent, wherein the near-infrared absorbing agent includes at least one of the following Component (A) and Component (B): Component (A): a component composed of a compound having a structure of the following general formula (I) and a metal ion; Component (B): a component composed of a metal complex that is obtainable by a reaction of the compound having the structure of the following general formula (I) and a metal compound.Type: GrantFiled: March 11, 2019Date of Patent: April 30, 2024Assignee: KONICA MINOLTA, INC.Inventors: Koji Daifuku, Yosuke Mizutani, Natsumi Itamoto, Keigo Tamaki, Yutaro Horie, Kenji Hayashi, Issei Nakahara, Takahiko Nojima, Kiyoshi Fukusaka
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Publication number: 20210032276Abstract: Provided is a near-infrared ray absorbing composition including a near-infrared absorber and a solvent, wherein the near-infrared absorber contains at least one of the following component (A) and component (B); and a compound represented by Formula (I) is contained in the component (A) or component (B) in the range of 0.Type: ApplicationFiled: May 29, 2019Publication date: February 4, 2021Inventors: Natsumi ITAMOTO, Koji DAIFUKU, Yosuke MIZUTANI, Keigo TAMAKI, Yutaro HORIE, Kenji HAYASHI, Issei NAKAHARA, Takahiko NOJIMA, Kiyoshi FUKUSAKA
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Publication number: 20210026053Abstract: Disclosed is a near-infrared absorbing composition, including: a near-infrared absorbing agent; and a solvent, wherein the near-infrared absorbing agent includes at least one of the following Component (A) and Component (B): Component (A): a component composed of a compound having a structure of the following general formula (I) and a metal ion; Component (B): a component composed of a metal complex that is obtainable by a reaction of the compound having the structure of the following general formula (I) and a metal compound.Type: ApplicationFiled: March 11, 2019Publication date: January 28, 2021Inventors: Koji DAIFUKU, Yosuke MIZUTANI, Natsumi ITAMOTO, Keigo TAMAKI, Yutaro HORIE, Kenji HAYASHI, Issei NAKAHARA, Takahiko NOJIMA, Kiyoshi FUKUSAKA
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Patent number: 9664831Abstract: To provided a near-infrared shielding film which is excellent in durability and film flexibility and has high visible light transmittance and an excellent near-infrared shielding property, a production method thereof, and a near-infrared shielding body being formed by being provided with the near-infrared shielding film. The near-infrared shielding film includes an optical interference film formed by alternately laminating a high refractive index layer containing a first water-soluble polymer and first metal oxide particles and a low refractive index layer containing a second water-soluble polymer and second metal oxide particles, on a substrate, in which the first metal oxide particles are particles formed by coating titanium oxide particles with silicon-containing hydrated oxide.Type: GrantFiled: October 12, 2012Date of Patent: May 30, 2017Assignee: KONICA MINOLTA, INC.Inventor: Takahiko Nojima
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Patent number: 9519081Abstract: Provided are an optical laminate film superior in film flexibility and film surface uniformity, has high light transmittance in a predetermined wavelength region, and is superior in light shielding properties in another predetermined wavelength region, an infrared shielding film, a method of manufacturing an infrared shielding film, and an infrared shielding body provided with the infrared shielding film. The optical laminate film has, on a substrate, at least one unit constituted of a high refractive index layer and a low refractive index layer containing metal oxide particles and silanol modified polyvinyl alcohol.Type: GrantFiled: December 10, 2012Date of Patent: December 13, 2016Assignee: KONICA MINOLTA, INC.Inventors: Yukako Taka, Takahiko Nojima
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Patent number: 9435923Abstract: An infrared shielding film has at least one unit on a substrate, the unit having a low refractive index layer that contains first metal oxide particles and a first binder and a high refractive index layer that is arranged adjacent to the low refractive index layer, contains second metal oxide particles and a second binder, and has a higher refractive index than the low refractive index layer, in which at least one layer of the low refractive index layer and the high refractive index layer contains, as a binder, at least one of the following (a) to (c): (a) a carboxyvinyl polymer that contains a monomer component, which contains a carboxylic acid, in an amount of 20 to 75% by mass of the entire composition, (b) a copolymer having pH dependency of viscosity, and (c) a modified polyvinyl alcohol.Type: GrantFiled: May 17, 2012Date of Patent: September 6, 2016Assignee: KONICA MINOLTA, INC.Inventors: Junichi Kohno, Takahiko Nojima
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Publication number: 20150132550Abstract: To provide an infrared shielding film, which has low production cost, can be prepared as a film with a large area, and has excellent reflecting property of infrared light, high visible light transmittance and excellent uniformity of optical characteristics.Type: ApplicationFiled: May 17, 2012Publication date: May 14, 2015Applicant: Konica Minolta , Inc.Inventors: Junichi Kohno, Takahiko Nojima
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Patent number: 8967848Abstract: Provided is a lightweight flexible lighting device with excellent durability and stable performance over repeated use that combines an organic electroluminescent element, an organic photoelectric conversion element, and a secondary cell. The lighting device has a control means for controlling the electrical connections of the organic electroluminescent element, the organic photoelectric conversion element, and the secondary cell. The control means controls the electrical connections such that a reverse bias voltage is applied to the organic electroluminescent element when the organic electroluminescent element receives light, generates power, and charges the secondary cell, and such that a reverse bias voltage is applied to the organic photoelectric conversion element when the organic electroluminescent element is supplied with power from the secondary cell and emits light.Type: GrantFiled: November 16, 2009Date of Patent: March 3, 2015Assignee: Konica Minolta Holdings, Inc.Inventors: Yasushi Okubo, Takahiko Nojima, Hiroaki Itoh, Ayako Wachi
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Patent number: 8912435Abstract: Disclosed is an organic photoelectric conversion element which has excellent photoelectric conversion efficiency and excellent temperature stability with respect to power generation. The organic photoelectric conversion element comprises at least one photoelectric conversion layer and at least one carrier transport layer between a first electrode and a second electrode, and is characterized in that the carrier transport layer contains the salt of an alkali metal or an alkaline earth metal or the complex thereof of an alkali metal or an alkaline earth metal.Type: GrantFiled: December 1, 2010Date of Patent: December 16, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Ayako Wachi, Takahiko Nojima, Yasushi Okubo, Hiroaki Itoh
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Publication number: 20140320956Abstract: Provided are an optical laminate film superior in film flexibility and film surface uniformity, has high light transmittance in a predetermined wavelength region, and is superior in light shielding properties in another predetermined wavelength region, an infrared shielding film, a method of manufacturing an infrared shielding film, and an infrared shielding body provided with the infrared shielding film. The optical laminate film has, on a substrate, at least one unit constituted of a high refractive index layer and a low refractive index layer containing metal oxide particles and silanol modified polyvinyl alcohol.Type: ApplicationFiled: December 10, 2012Publication date: October 30, 2014Inventors: Yukako Taka, Takahiko Nojima
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Publication number: 20140233092Abstract: To provided a near-infrared shielding film which is excellent in durability and film flexibility and has high visible light transmittance and an excellent near-infrared shielding property, a production method thereof, and a near-infrared shielding body being formed by being provided with the near-infrared shielding film. The near-infrared shielding film includes an optical interference film formed by alternately laminating a high refractive index layer containing a first water-soluble polymer and first metal oxide particles and a low refractive index layer containing a second water-soluble polymer and second metal oxide particles, on a substrate, in which the first metal oxide particles are particles formed by coating titanium oxide particles with silicon-containing hydrated oxide.Type: ApplicationFiled: October 12, 2012Publication date: August 21, 2014Applicant: Konica Minolta, Inc.Inventor: Takahiko Nojima
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Patent number: 8729387Abstract: Disclosed is an organic photoelectric conversion element having high photoelectric conversion efficiency and high durability. Also disclosed are a solar cell and an optical sensor array, each using the organic photoelectric conversion element. The organic photoelectric conversion element comprises a bulk heterojunction layer wherein an n-type semiconductor material and a p-type semiconductor material are mixed. The organic photoelectric conversion element is characterized in that the n-type semiconductor material is a polymer compound and the p-type semiconductor material is a low-molecular-weight compound.Type: GrantFiled: August 21, 2009Date of Patent: May 20, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Yasushi Okubo, Takahiko Nojima, Hiroaki Itoh, Ayako Wachi
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Patent number: 8664518Abstract: Provided is an organic photoelectric conversion element containing: a first electrode; a second electrode; and an organic photoelectric conversion layer sandwiched between the first electrode and the second electrode, wherein the first electrode comprises: a conductive fiber layer; and a transparent conductive layer containing a conductive polymer comprising a ? conjugated conductive polymer and a polyanion, and an aqueous binder, and at least a part of the transparent conductive layer containing the conductive polymer and the aqueous binder is cross-linked therein.Type: GrantFiled: December 7, 2010Date of Patent: March 4, 2014Assignee: Konica Minolta Holdngs, Inc.Inventors: Ayako Wachi, Takahiko Nojima, Yasushi Okubo, Hiroaki Itoh
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Patent number: 8546684Abstract: Provided is an organic photoelectric conversion element having a high photoelectric conversion ratio. Provided is also a method for manufacturing an organic photoelectric conversion element which can significantly reduce the manufacturing cost by forming a transparent electrode and an organic generation layer portion by coating a material. The organic photoelectric conversion element includes on a transparent substrate, a first electrode unit having a transparent conductive layer, an organic generation unit, and a second electrode unit which are successively arranged in this order when viewed from the transparent substrate. The transparent conductive layer constituting the first electrode unit contains conductive fiber and transparent conductive material.Type: GrantFiled: October 7, 2009Date of Patent: October 1, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Takahiko Nojima, Yasushi Okubo, Hiroaki Itoh, Ayako Wachi
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Patent number: 8445899Abstract: Provided is an organic electronic panel wherein warping (deformation) of a metal member is suppressed when the metal member is used as a packaging board, an electrical short-circuit due to the warping is eliminated, and generation of light emission failure and deterioration of power generating performance are eliminated. In the organic electronic panel, the packaging board is composed of a metal foil, and a polymer film is laminated on the metal foil surface on the reverse side of the side having the adhesive layer. The thickness of the polymer film is not more than that of the metal foil, and heat is applied at the time of bonding/laminating the packaging board or at the time of hardening the adhesive layer.Type: GrantFiled: February 12, 2010Date of Patent: May 21, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Masaaki Murayama, Kazuo Genda, Takahiko Nojima
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Publication number: 20120241003Abstract: Disclosed is an organic photoelectric conversion element which has excellent photoelectric conversion efficiency and excellent temperature stability with respect to power generation. The organic photoelectric conversion element comprises at least one photoelectric conversion layer and at least one carrier transport layer between a first electrode and a second electrode, and is characterized in that the carrier transport layer contains the salt of an alkali metal or an alkaline earth metal or the complex thereof of an alkali metal or an alkaline earth metal.Type: ApplicationFiled: December 1, 2010Publication date: September 27, 2012Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Ayako Wachi, Takahiko Nojima, Yasushi Okubo, Hiroaki Itoh
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Publication number: 20110315977Abstract: Provided is an organic electronic panel wherein warping (deformation) of a metal member is suppressed when the metal member is used as a packaging board, an electrical short-circuit due to the warping is eliminated, and generation of light emission failure and deterioration of power generating performance are eliminated. In the organic electronic panel, the packaging board is composed of a metal foil, and a polymer film is laminated on the metal foil surface on the reverse side of the side having the adhesive layer. The thickness of the polymer film is not more than that of the metal foil, and heat is applied at the time of bonding/laminating the packaging board or at the time of hardening the adhesive layer.Type: ApplicationFiled: February 12, 2010Publication date: December 29, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Masaaki Murayama, Kazuo Genda, Takahiko Nojima
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Publication number: 20110233566Abstract: Provided is a lightweight flexible lighting device with excellent durability and stable performance over repeated use that combines an organic electroluminescent element, an organic photoelectric conversion element, and a secondary cell. The lighting device has a control means for controlling the electrical connections of the organic electroluminescent element, the organic photoelectric conversion element, and the secondary cell. The control means controls the electrical connections such that a reverse bias voltage is applied to the organic electroluminescent element when the organic electroluminescent element receives light, generates power, and charges the secondary cell, and such that a reverse bias voltage is applied to the organic photoelectric conversion element when the organic electroluminescent element is supplied with power from the secondary cell and emits light.Type: ApplicationFiled: November 16, 2009Publication date: September 29, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yasushi Okubo, Takahiko Nojima, Hiroaki Itoh, Ayako Wachi
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Publication number: 20110197966Abstract: Provided is an organic photoelectric conversion element having a high photoelectric conversion ratio. Provided is also a method for manufacturing an organic photoelectric conversion element which can significantly reduce the manufacturing cost by forming a transparent electrode and an organic generation layer portion by coating a material. The organic photoelectric conversion element includes on a transparent substrate, a first electrode unit having a transparent conductive layer, an organic generation unit, and a second electrode unit which are successively arranged in this order when viewed from the transparent substrate. The transparent conductive layer constituting the first electrode unit contains conductive fiber and transparent conductive material.Type: ApplicationFiled: October 7, 2009Publication date: August 18, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Takahiko Nojima, Yasushi Okubo, Hiroaki Itoh, Ayako Wachi
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Publication number: 20110139253Abstract: Provided is an organic photoelectric conversion element containing: a first electrode; a second electrode; and an organic photoelectric conversion layer sandwiched between the first electrode and the second electrode, wherein the first electrode comprises: a conductive fiber layer; and a transparent conductive layer containing a conductive polymer comprising a ? conjugated conductive polymer and a polyanion, and an aqueous binder, and at least a part of the transparent conductive layer containing the conductive polymer and the aqueous binder is cross-linked therein.Type: ApplicationFiled: December 7, 2010Publication date: June 16, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Ayako WACHI, Takahiko NOJIMA, Yasushi OKUBO, Hiroaki ITOH