Patents by Inventor Toshiki Toda
Toshiki Toda 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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Publication number: 20190105939Abstract: A display includes a plurality of pixels arranged in matrix. Each of the pixels includes a single reflecting surface, and all the reflecting surfaces include a set of the reflecting surfaces that allow light incident in a predetermined direction to be reflected in a direction predefined for the respective reflecting surfaces, so that light reflected by all the reflecting surfaces forms an image which appears in a specific direction, which is a direction common to all the reflecting surfaces.Type: ApplicationFiled: December 6, 2018Publication date: April 11, 2019Applicant: TOPPAN PRINTING CO., LTD.Inventors: Tomoko TASHIRO, Toshiki TODA, Keitaro SUGIHARA
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Publication number: 20180257320Abstract: A display includes a first interface section provided with a relief-type diffraction grating constituted by a plurality of grooves, and a second interface section provided with a plurality of recesses or projections arranged two-dimensionally at a center-to-center distance smaller than the minimum center-to-center distance of the plural grooves, and each having a forward tapered shape.Type: ApplicationFiled: May 10, 2018Publication date: September 13, 2018Applicant: TOPPAN PRINTING CO., LTD.Inventors: Toshiki TODA, Akira NAGANO, Shingo MARUYAMA
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Patent number: 9933551Abstract: A display includes a substrate with a light-transmitting property, a relief structure-forming layer disposed on at least one surface of the substrate and including a relief-structured region on a surface thereof opposite to its surface in contact with the substrate, a light-reflecting layer disposed on the surface of the relief structure-forming layer including the relief-structured region, and a printed layer formed on a surface of the substrate opposite to the surface on which the relief structure-forming layer is disposed, or between the relief structure-forming layer and the light-reflecting layer, or on a side of the light-reflecting layer opposite to its surface in contact with the relief structure-forming layer. The relief-structured region is constituted by recessed or protruding portions arranged two-dimensionally, has low reflectivity and low diffusibility under a normal illumination condition, and exhibits a diffracted light-emitting property under a specific condition.Type: GrantFiled: January 14, 2016Date of Patent: April 3, 2018Assignee: TOPPAN PRINTING CO., LTD.Inventors: Toshiki Toda, Akira Nagano, Shingo Maruyama, Seiko Matsuno
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Patent number: 9931883Abstract: An image display according to an embodiment includes a first image-displaying portion that displays first information about a certain object as a first image of object color, and a second image-displaying portion that displays second information about the object as a second image of structural color provided by a relief structure, the relief structure including at least one structure selected from the group consisting of diffraction grating, hologram, and light-scattering structure having an anisotropic light-scattering property. According to an example, the object is a person, and the first image includes a facial image of the person. A labeled article according to another embodiment includes the image display, and a substrate supporting the image display.Type: GrantFiled: December 20, 2016Date of Patent: April 3, 2018Assignee: TOPPAN PRINTING CO., LTD.Inventors: Satoshi Gocho, Takayoshi Hayashi, Yasushi Kishimoto, Toshiki Toda, Akira Nagano
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Publication number: 20180076410Abstract: An organic EL (electroluminescent) device includes a translucent substrate, a transparent electrode, a luminescent layer, and a cathode placed over one surface of the translucent substrate, and a light extraction film having unevenness placed on the other surface. The surface of the cathode facing the luminescent layer has a plurality of recesses or protrusions. The Fourier transform image of the surface of the cathode facing the luminescent layer has a surface plasmon absorption suppression area including a spatial frequency v obtained from Eq. (I) and a light scattering area not including spatial frequencies equal to or greater than the spatial frequency v.Type: ApplicationFiled: November 27, 2017Publication date: March 15, 2018Applicant: TOPPAN PRINTING CO., LTD.Inventors: Akihito KAGOTANI, Toshiki TODA
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Publication number: 20180038998Abstract: A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction.Type: ApplicationFiled: October 17, 2017Publication date: February 8, 2018Applicant: TOPPAN PRINTING CO., LTD.Inventor: Toshiki TODA
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Patent number: 9829610Abstract: A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction.Type: GrantFiled: June 8, 2016Date of Patent: November 28, 2017Assignee: TOPPAN PRINTING CO., LTD.Inventor: Toshiki Toda
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Publication number: 20170100956Abstract: An image display according to an embodiment includes a first image-displaying portion that displays first information about a certain object as a first image of object color, and a second image-displaying portion that displays second information about the object as a second image of structural color provided by a relief structure, the relief structure including at least one structure selected from the group consisting of diffraction grating, hologram, and light-scattering structure having an anisotropic light-scattering property. According to an example, the object is a person, and the first image includes a facial image of the person. A labeled article according to another embodiment includes the image display, and a substrate supporting the image display.Type: ApplicationFiled: December 20, 2016Publication date: April 13, 2017Applicant: TOPPAN PRINTING CO., LTD.Inventors: Satoshi GOCHO, Takayoshi HAYASHI, Yasushi KISHIMOTO, Toshiki TODA, Akira NAGANO
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Patent number: 9557457Abstract: An image display according to an embodiment includes a first image-displaying portion that displays first information about a certain object as a first image of object color, and a second image-displaying portion that displays second information about the object as a second image of structural color provided by a relief structure, the relief structure including at least one structure selected from the group consisting of diffraction grating, hologram, and light-scattering structure having an anisotropic light-scattering property. According to an example, the object is a person, and the first image includes a facial image of the person. A labeled article according to another embodiment includes the image display, and a substrate supporting the image display.Type: GrantFiled: January 31, 2012Date of Patent: January 31, 2017Assignee: TOPPAN PRINTING CO., LTDInventors: Satoshi Gocho, Takayoshi Hayashi, Yasushi Kishimoto, Toshiki Toda, Akira Nagano
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Publication number: 20160279999Abstract: A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction.Type: ApplicationFiled: June 8, 2016Publication date: September 29, 2016Applicant: TOPPAN PRINTING CO., LTD.Inventor: Toshiki Toda
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Patent number: 9387720Abstract: A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction.Type: GrantFiled: February 11, 2015Date of Patent: July 12, 2016Assignee: TOPPAN PRINTING CO., LTD.Inventor: Toshiki Toda
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Patent number: 9333797Abstract: In an information recording medium, in which an information recording medium has diffraction grating cells arranged therein, a plurality of types of the diffraction grating cells make up one information recording area. At least one type of the diffraction grating cells included in the diffraction grating cells making up the information recording area are information recording elements, while the other types of the diffraction grating cells included in the diffraction grating cells making up the information recording area are information hiding elements. The information is recorded by two-dimensional arrangement of the diffraction grating cells constituting the information recording elements in the information recording area.Type: GrantFiled: June 17, 2014Date of Patent: May 10, 2016Assignee: TOPPAN PRINTING CO., LTD.Inventors: Toshiki Toda, Harumi Oota, Masami Inokuchi, Yasushi Kishimoto, Fang Chi Su
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Publication number: 20160121641Abstract: A display includes a substrate with a light-transmitting property, a relief structure-forming layer disposed on at least one surface of the substrate and including a relief-structured region on a surface thereof opposite to its surface in contact with the substrate, a light-reflecting layer disposed on the surface of the relief structure-forming layer including the relief-structured region, and a printed layer formed on a surface of the substrate opposite to the surface on which the relief structure-forming layer is disposed, or between the relief structure-forming layer and the light-reflecting layer, or on a side of the light-reflecting layer opposite to its surface in contact with the relief structure-forming layer. The relief-structured region is constituted by recessed or protruding portions arranged two-dimensionally, has low reflectivity and low diffusibility under a normal illumination condition, and exhibits a diffracted light-emitting property under a specific condition.Type: ApplicationFiled: January 14, 2016Publication date: May 5, 2016Inventors: Toshiki Toda, Akira Nagano, Shingo Maruyama, Seiko Matsuno
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Patent number: 9266371Abstract: A display includes a substrate with a light-transmitting property, a relief structure-forming layer disposed on at least one surface of the substrate and including a relief-structured region on a surface thereof opposite to its surface in contact with the substrate, a light-reflecting layer disposed on the surface of the relief structure-forming layer including the relief-structured region, and a printed layer formed on a surface of the substrate opposite to the surface on which the relief structure-forming layer is disposed, or between the relief structure-forming layer and the light-reflecting layer, or on a side of the light-reflecting layer opposite to its surface in contact with the relief structure-forming layer. The relief-structured region is constituted by recessed or protruding portions arranged two-dimensionally, has low reflectivity and low diffusibility under a normal illumination condition, and exhibits a diffracted light-emitting property under a specific condition.Type: GrantFiled: November 25, 2009Date of Patent: February 23, 2016Assignee: TOPPAN PRINTING CO., LTD.Inventors: Toshiki Toda, Akira Nagano, Shingo Maruyama, Seiko Matsuno
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Publication number: 20150151561Abstract: A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction.Type: ApplicationFiled: February 11, 2015Publication date: June 4, 2015Applicant: TOPPAN PRINTING CO., LTD.Inventor: Toshiki Toda
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Publication number: 20150124323Abstract: A higher forgery prevention effect is realized. A display includes a first interface section provided with a relief-type diffraction grating constituted by a plurality of grooves, and a second interface section provided with a plurality of recesses or projections arranged two-dimensionally at a center-to-center distance smaller than the minimum center-to-center distance of the plural grooves, and each having a forward tapered shape.Type: ApplicationFiled: January 13, 2015Publication date: May 7, 2015Applicant: TOPPAN PRINTING CO., LTD.Inventors: Toshiki TODA, Akira NAGANO, Shingo MARUYAMA
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Patent number: 8982465Abstract: A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering regions are different from each other in the longitudinal direction.Type: GrantFiled: June 17, 2010Date of Patent: March 17, 2015Assignee: Toppan Printing Co., Ltd.Inventor: Toshiki Toda
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Patent number: 8957761Abstract: A higher forgery prevention effect is realized. A display includes a first interface section provided with a relief-type diffraction grating constituted by a plurality of grooves, and a second interface section provided with a plurality of recesses or projections arranged two-dimensionally at a center-to-center distance smaller than the minimum center-to-center distance of the plural grooves, and each having a forward tapered shape.Type: GrantFiled: July 7, 2008Date of Patent: February 17, 2015Assignee: Toppan Printing Co., Ltd.Inventors: Toshiki Toda, Akira Nagano, Shingo Maruyama
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Publication number: 20140293424Abstract: In an information recording medium, in which an information recording medium has diffraction grating cells arranged therein, a plurality of types of the diffraction grating cells make up one information recording area. At least one type of the diffraction grating cells included in the diffraction grating cells making up the information recording area are information recording elements, while the other types of the diffraction grating cells included in the diffraction grating cells making up the information recording area are information hiding elements. The information is recorded by two-dimensional arrangement of the diffraction grating cells constituting the information recording elements in the information recording area.Type: ApplicationFiled: June 17, 2014Publication date: October 2, 2014Applicant: TOPPAN PRINTING CO., LTD.Inventors: Toshiki Toda, Harumi Oota, Masami Inokuchi, Yasushi Kishimoto, Fang Chi Su
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Patent number: 8770487Abstract: In an information recording medium according to the present invention, in which an information recording medium has diffraction grating cells arranged therein, a plurality of types of the diffraction grating cells make up one information recording area. At least one type of the diffraction grating cells included in the diffraction grating cells making up the information recording area are information recording elements, while the other types of the diffraction grating cells included in the diffraction grating cells making up the information recording area are information hiding elements. The information is recorded by two-dimensional arrangement of the diffraction grating cells constituting the information recording elements in the information recording area.Type: GrantFiled: December 27, 2007Date of Patent: July 8, 2014Assignee: Toppan Printing Co., Ltd.Inventors: Toshiki Toda, Harumi Oota, Masami Inokuchi, Yasushi Kishimoto, Fang Chi Su