Patents by Inventor Tadayoshi Iijima
Tadayoshi Iijima 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: 8609239Abstract: A release film 10 having a base film 12 and a polymer layer 14 formed on one side of the base film 12, wherein the polymer layer 14 includes a layer containing a cured (meth)acrylate component and a film containing a silicone polymer component covering part of the surface on the side of the layer opposite the base film side, and wherein the silicone polymer component is a modified silicone oil polymer that has been modified with a (meth)acryloyl and/or vinyl group.Type: GrantFiled: September 24, 2009Date of Patent: December 17, 2013Assignee: TDK CorporationInventors: Tadayoshi Iijima, Shuji Iida
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Publication number: 20110033713Abstract: It is disclosed a transparent conductive multi-layer structure which comprises a substrate overlaid, desirably interposed by a support, with a conductive layer containing fine conductive particles, preferably the fine particles of indium-tin oxide (ITO), said multi-layer structure having a surface resistance of 10-103?/? and a visible light transmittance of at least 70%. A process for producing this structure is also disclosed. The present invention can produce transparent conductive multi-layer structures by utilizing a coating method which retains the advantages of its easiness of forming large-area conductive films, simplification of apparatus, high productivity and low manufacturing cost, by firstly obtaining a transparent conductive film that has low enough surface resistance to give high conductivity while exhibiting satisfactory transparency, and then applying the transparent conductive film to a glass or resin panel, etc.Type: ApplicationFiled: October 12, 2010Publication date: February 10, 2011Applicant: TDK CORPORATIONInventors: Kiminori TAMAI, Tadayoshi Iijima
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Publication number: 20100080986Abstract: A release film 10 having a base film 12 and a polymer layer 14 formed on one side of the base film 12, wherein the polymer layer 14 includes a layer containing a cured (meth)acrylate component and a film containing a silicone polymer component covering part of the surface on the side of the layer opposite the base film side, and wherein the silicone polymer component is a modified silicone oil polymer that has been modified with a (meth)acryloyl and/or vinyl group.Type: ApplicationFiled: September 24, 2009Publication date: April 1, 2010Applicant: TDK CorporationInventors: Tadayoshi Iijima, Shuji Iida
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Publication number: 20090246535Abstract: It is disclosed a transparent conductive multi-layer structure which comprises a substrate overlaid, desirably interposed by a support, with a conductive layer containing fine conductive particles, preferably the fine particles of indium-tin oxide (ITO), said multi-layer structure having a surface resistance of 10-103?/? and a visible light transmittance of at least 70%. A process for producing this structure is also disclosed. The present invention can produce transparent conductive multi-layer structures by utilizing a coating method which retains the advantages of its easiness of forming large-area conductive films, simplification of apparatus, high productivity and low manufacturing cost, by firstly obtaining a transparent conductive film that has low enough surface resistance to give high conductivity while exhibiting satisfactory transparency, and then applying the transparent conductive film to a glass or resin panel, etc.Type: ApplicationFiled: October 14, 2008Publication date: October 1, 2009Applicant: TDK CORPORATIONInventors: Kiminori TAMAI, Tadayoshi Iijima
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Publication number: 20090084487Abstract: A laminated film of the invention comprises a core layer made of synthetic resin, and a conductive release layer formed on at least one side of the core layer, wherein the conductive release layer comprises condensation reaction type release binder and conductive polymer, and this laminated film of the invention is preferably used as a process film when manufacturing ceramic green sheet by sheet-forming a ceramic material slurry; is able to manufacture a thin ceramic green sheet constantly having an uniform thickness; and is superior in antistatic and release properties.Type: ApplicationFiled: September 22, 2008Publication date: April 2, 2009Applicant: TDK CORPORATIONInventors: Tadayoshi Iijima, Shuji Iida
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Patent number: 7488894Abstract: The present invention provides a electrical conductive film for transfer in order to furnish a surface of an article, even an article poor in flexibility such as a board material, with a transparent electrical conductive film having a uniform thickness and having a lower electric resistance value; a method for forming a transparent electrical conductive film using the same; and a transparent electrical conductive film. An electrical conductive film for transfer comprising at least a conductive layer 4 on a support 1, said conductive layer 4 being releasable from the support 1, wherein the conductive layer 4 comprises conductive fine particles and an organic group-containing metal compound of a metal element, an oxide of which exhibits the electrical conductivity.Type: GrantFiled: August 26, 2004Date of Patent: February 10, 2009Assignee: TDK CorporationInventor: Tadayoshi Iijima
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Patent number: 7452435Abstract: A functional film of the invention includes a microparticulate-containing layer containing functional microparticulates. The microparticulate-containing layer inhibits the occurrence of cracks even when drawn 10%. When the functional film includes a microparticulate-containing layer containing conductive microparticulates, the microparticulate-containing layer exhibits a surface resistivity after drawn 10% which is at most 10 times greater than the surface resistivity prior to drawing. The invention thus implements a functional film which is unsusceptible to reduction or loss of its function due to deformation.Type: GrantFiled: July 8, 2003Date of Patent: November 18, 2008Assignee: TDK CorporationInventors: Kiminori Tamai, Tadayoshi Iijima, Chieko Yamada, Shigeyo Miyamori
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Publication number: 20080026204Abstract: It is disclosed a transparent conductive multi-layer structure which comprises a substrate overlaid, desirably interposed by a support, with a conductive layer containing fine conductive particles, preferably the fine particles of indium-tin oxide (ITO), said multi-layer structure having a surface resistance of 10-103?/? and a visible light transmittance of at least 70%. A process for producing this structure is also disclosed. The present invention can produce transparent conductive multi-layer structures by utilizing a coating method which retains the advantages of its easiness of forming large-area conductive films, simplification of apparatus, high productivity and low manufacturing cost, by firstly obtaining a transparent conductive film that has low enough surface resistance to give high conductivity while exhibiting satisfactory transparency, and then applying the transparent conductive film to a glass or resin panel, etc.Type: ApplicationFiled: February 12, 2007Publication date: January 31, 2008Applicant: TDK CorporationInventors: Kiminori Tamai, Tadayoshi Iijima
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Patent number: 7294298Abstract: The present invention provides a functional film for transfer in order to furnish a surface of an article, even an article poor in flexibility, such as a board material, with a functional layer having a uniform thickness and a higher function, e.g. a transparent conductive layer having a lower electric resistance; an article furnished with the functional layer; and a method for producing the article furnished with the functional layer. A functional film for transfer comprising at least a functional layer 4 on a support 1, said functional layer 4 being releasable from the support 1, wherein the functional layer 4 is a compressed layer of functional fine particles, and further, on the functional layer 4 an adhesive layer 5 comprising at least an acrylic type monomer (M) and a silicone type resin (S) is provided.Type: GrantFiled: July 18, 2003Date of Patent: November 13, 2007Assignee: TDK CorporationInventor: Tadayoshi Iijima
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Patent number: 7244494Abstract: The present invention provides an antireflection film for transfer that can be transferred to the surface of plates or other less-flexible articles to form an antireflection layer with a uniform thickness that not only provides a high antireflection effect on a light in the visible light range but also offers a high solvent resistance. The present invention also provides an antireflection-treated article.Type: GrantFiled: July 25, 2003Date of Patent: July 17, 2007Assignee: TDK CorporationInventor: Tadayoshi Iijima
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Patent number: 7205028Abstract: A method for producing a functional film having at least one functional layer comprising a compressed layer of functional particles on a support, in which the method comprises applying a liquid in which the functional particles are dispersed onto a transfer support and drying the liquid to form a transfer precursor film having a layer containing the functional particles formed on the transfer support; superposing the support on which the functional layer is to be formed and the transfer precursor film so that the support and the layer containing the functional particles are brought into contact with each other, and compressing the layer containing the functional particles to form the compressed layer of the functional particles on the support; and thereafter releasing the transfer support from the compressed layer of the functional particles.Type: GrantFiled: December 24, 2003Date of Patent: April 17, 2007Assignee: TDK CorporationInventor: Tadayoshi Iijima
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Publication number: 20060286316Abstract: The present invention provides a electrical conductive film for transfer in order to furnish a surface of an article, even an article poor in flexibility such as a board material, with a transparent electrical conductive film having a uniform thickness and having a lower electric resistance value; a method for forming a transparent electrical conductive film using the same; and a transparent electrical conductive film. An electrical conductive film for transfer comprising at least a conductive layer 4 on a support 1, said conductive layer 4 being releasable from the support 1, wherein the conductive layer 4 comprises conductive fine particles and an organic group-containing metal compound of a metal element, an oxide of which exhibits the electrical conductivity.Type: ApplicationFiled: August 26, 2004Publication date: December 21, 2006Inventor: Tadayoshi Iijima
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Publication number: 20060068134Abstract: The present invention provides a functional film for transfer in order to furnish a surface of an article, even an article poor in flexibility, such as a board material, with a functional layer having a uniform thickness and a higher function, e.g. a transparent conductive layer having a lower electric resistance; an article furnished with the functional layer; and a method for producing the article furnished with the functional layer. A functional film for transfer comprising at least a functional layer 4 on a support 1, said functional layer 4 being releasable from the support 1, wherein the functional layer 4 is a compressed layer of functional fine particles, and further, on the functional layer 4 an adhesive layer 5 comprising at least an acrylic type monomer (M) and a silicone type resin (S) is provided.Type: ApplicationFiled: July 18, 2003Publication date: March 30, 2006Applicant: TDK CorporationInventor: Tadayoshi Iijima
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Publication number: 20050249941Abstract: The present invention provides an antireflection film for transfer that can be transferred to the surface of plates or other less-flexible articles to form an antireflection layer with a uniform thickness that not only provides a high antireflection effect on a light in the visible light range but also offers a high solvent resistance. The present invention also provides an antireflection-treated article.Type: ApplicationFiled: July 25, 2003Publication date: November 10, 2005Applicant: TDK CORPORATIONInventor: Tadayoshi Iijima
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Publication number: 20050233133Abstract: A functional film of the invention includes a microparticulate-containing layer containing functional microparticulates. The microparticulate-containing layer inhibits the occurrence of cracks even when drawn 10%. When the functional film includes a microparticulate-containing layer containing conductive microparticulates, the microparticulate-containing layer exhibits a surface resistivity after drawn 10% which is at most 10 times greater than the surface resistivity prior to drawing. The invention thus implements a functional film which is unsusceptible to reduction or loss of its function due to deformation.Type: ApplicationFiled: July 8, 2003Publication date: October 20, 2005Applicant: TDK CORPORATIONInventors: Kiminori Tamai, Tadayoshi Iijima, Chieko Yamada, Shigeyo Miyamori
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Publication number: 20050221069Abstract: The present invention provides an antireflection film for transfer that can be transferred to the surface of plates or other less-flexible articles to form an antireflection layer with a uniform thickness that not only provides a high antireflection effect on a light in the visible light range but also offers a high solvent resistance. The present invention also provides an antireflection-treated article.Type: ApplicationFiled: July 25, 2003Publication date: October 6, 2005Applicant: TDK CORPORATIONInventors: Tadayoshi Iijima, Hidetake Itoh
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Publication number: 20050214528Abstract: A transfer functional film having on a substrate 1 at least a functional layer 4 which can be separated from the substrate 1, the functional layer 4 being a compressed layer of functional fine grains, and having on the functional layer 4 an adhesive layer 5 made up of an adhesive composition containing a curing component (A) and a polyester polyurethane resin (P). A method for forming a functional layer on a surface of an object comprising the steps of affixing the transfer functional film on a surface of an object to which a functional layer is to be applied via the adhesive layer 5 in such a manner that the substrate 1 is positioned outside, causing the adhesive layer 5 to cure after the affixation, and separating the substrate 1.Type: ApplicationFiled: December 16, 2004Publication date: September 29, 2005Applicant: TDK CORPORATIONInventor: Tadayoshi Iijima
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Publication number: 20050153107Abstract: A method of forming a functional layer pattern capable of demonstrating various functions, for example, a transparent conductive layer pattern having a low electric resistance value is provided.Type: ApplicationFiled: January 12, 2004Publication date: July 14, 2005Applicant: TDK CORPORATIONInventor: Tadayoshi Iijima
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Publication number: 20050147745Abstract: The present invention provides a method for producing a functional film, by means of the application method, having a functional layer capable of exhibiting various functions.Type: ApplicationFiled: December 24, 2003Publication date: July 7, 2005Applicant: TDK CORPORATIONInventor: Tadayoshi Iijima
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Patent number: 6912116Abstract: An electrochemical device includes electrodes stacked one on the other with a separator intervening between the adjacent electrodes. The electrode includes a current collector and an electrode layer stacked on the current collector via an adhesive resin layer. The electrode layer contains an active material, an electrically conductive auxiliary and a binder resin. At least part of the electrically conductive auxiliary or the active material penetrates the adhesive resin layer to establish an electrical connection with the current collector.Type: GrantFiled: March 28, 2003Date of Patent: June 28, 2005Assignee: TDK CorporationInventors: Tetsuya Takahashi, Atsuko Kosuda, Tadayoshi Iijima