Patents by Inventor Kozo Nakamura

Kozo Nakamura 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: 12147068
    Abstract: A lightguide component for illumination devices having first and second exit surfaces at opposite sides, the lightguide component including: a light-receiving portion to receive light emitted from a light source; a lightguide layer having a first principal face at the first exit surface side and a second principal face at the second exit surface side; and a light distribution controlling structure having a plurality of internal spaces. Each of the plurality of internal spaces includes a first slope to direct a portion of light propagating in the lightguide layer toward the first exit surface via total internal reflection, and a second slope at an opposite side from the first slope, and the lightguide component is configured to emit first light having a first intensity distribution through the first exit surface and to emit second light having a second intensity distribution through the second exit surface.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: November 19, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Koichi Inoue, Yufeng Weng, Kozo Nakamura
  • Patent number: 12136041
    Abstract: Provided are a detecting device, a detecting method, a generating method, and a computer-readable storage medium that allow the user to readily obtain information on an object related to a human-powered vehicle. The detecting device includes a control unit that detects an object related to a human-powered vehicle as a target object from a first image including at least a part of the human-powered vehicle, and outputs related information related to the target object.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: November 5, 2024
    Assignee: Shimano Inc.
    Inventors: Hayato Shimazu, Kozo Chikai, Katsuo Nakamura, Kenji Tagawa, Shou Tanaka, Yasuhiro Nakashima, Noriko Masuta, Yasuho Hommoto
  • Patent number: 12105313
    Abstract: A lighting device that can ensure task productivity while reducing the glare is provided herein. The lighting device has a light source; and a light guiding part including a light guiding panel and configured to guide light that is emitted from the light source. The light guiding panel includes: a light incident end surface that is situated facing the light source, the light incident end surface being a surface on which the light emitted from the light source is incident; a first light emitting part that is included in an opposite end from the light incident end surface, and that emits the light guided inside the light guiding panel; and a second light emitting part that is included in a predetermined main surface of the light guiding panel that intersects with the light incident end surface, and that emits the light guided inside the light guiding panel.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: October 1, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kozo Nakamura, Yufeng Weng, Takahiro Yoshikawa
  • Patent number: 12077519
    Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and confirmed that a heteroaryl carboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The heteroaryl carboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: September 3, 2024
    Assignees: Astellas Pharma Inc., KOTOBUKI PHARMACEUTICAL CO., LTD.
    Inventors: Hideyuki Watanabe, Takashi Kamikubo, Akio Kamikawa, Takuya Washio, Yohei Seki, Keiichiro Okuyama, Osamu Ikeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
  • Patent number: 12078837
    Abstract: An optical deflection tape (10) attachable on a lightguide (20) is provided, comprising a substrate (10A) and at least one pattern (11) formed with a number of periodic pattern features (12) embedded in the substrate (10A) and configured as optically functional cavities (12) filled with a material having a refractive index different from the refractive index of the material of the substrate (10A) surrounding the cavity (12). The pattern (11) is configured to adjust direction of light received thereto such, that light incident at the pattern (11) is deflected to acquire a propagation path through a lightguide medium (20) via a series of total internal reflections and, by virtue of said at least one pattern (11), the optical deflection tape (10) is configured to control distribution of light propagating through the lightguide (20). A method for manufacturing the tape (10) and related uses are further provided.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: September 3, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kozo Nakamura, Minoru Miyatake, Yufeng Weng, Kari Rinko, Shingo Matsumoto
  • Publication number: 20240272343
    Abstract: A lightguide component for illumination devices having first and second exit surfaces at opposite sides, the lightguide component including: a light-receiving portion to receive light emitted from a light source; a lightguide layer having a first principal face at the first exit surface side and a second principal face at the second exit surface side; and a light distribution controlling structure having a plurality of internal spaces. Each of the plurality of internal spaces includes a first slope to direct a portion of light propagating in the lightguide layer toward the first exit surface via total internal reflection, and a second slope at an opposite side from the first slope, and the lightguide component is configured to emit first light having a first intensity distribution through the first exit surface and to emit second light having a second intensity distribution through the second exit surface.
    Type: Application
    Filed: June 8, 2022
    Publication date: August 15, 2024
    Applicant: NITTO DENKO CORPORATION
    Inventors: Koichi INOUE, Yufeng WENG, Kozo NAKAMURA
  • Publication number: 20240230978
    Abstract: A lightguide component for light emission devices has a first principal face and a second principal face at an opposite side from the first principal face. The lightguide component for light emission devices includes: a lightguide layer including a light-receiving portion to receive light emitted from a light source, a third principal face at the first principal face side, and a fourth principal face at the second principal face side; and a light distribution controlling structure having a plurality of internal spaces, the plurality of internal spaces creating interfaces to direct a portion of the light propagating in the lightguide layer toward the first principal face via total internal reflection. In a plan view a first region in which the light distribution controlling structure is present and a second region in which the light distribution controlling structure is not present are disposed so as to define a predetermined design.
    Type: Application
    Filed: June 16, 2022
    Publication date: July 11, 2024
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yufeng WENG, Kozo NAKAMURA, Takahiro YOSHIKAWA
  • Publication number: 20240219620
    Abstract: A lightguide component for illumination devices having an exit surface includes: a lightguide layer having a light-receiving portion to receive light emitted from a light source, a first principal face at the exit surface side, and a second principal face at an opposite side from the first principal face; a light distribution controlling structure having a plurality of internal spaces, each of the plurality of internal spaces including a first slope to direct a portion of light propagating in the lightguide layer toward the exit surface via total internal reflection, and a second slope at an opposite side from the first slope, wherein, when viewed from a normal direction of the first principal face of the lightguide layer, the first slope presents a curved surface that is convex toward the light source; and an anti-reflection layer and/or anti-glare layer disposed at the first principal face side of the lightguide layer.
    Type: Application
    Filed: June 10, 2022
    Publication date: July 4, 2024
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shimpei MUKADEYAMA, Takahiro YOSHIKAWA, Kozo NAKAMURA
  • Publication number: 20240124755
    Abstract: An adhesive layer is formed by cross-linking an adhesive composition containing: a polyester resin that is a copolymer of a polycarboxylic acid and a polyalcohol; a cross-linking agent; and at least one cross-linking catalyst selected from the group consisting of an organic zirconium compound, an organic iron compound, and an organic aluminum compound, the adhesive layer having a gel fraction of 40% or more after being retained at a temperature of 85° C. and a relative humidity of 85% for 300 hours, and having a 180° peel adhesive strength of 100 mN/20 mm or more with respect to a PMMA film.
    Type: Application
    Filed: February 4, 2022
    Publication date: April 18, 2024
    Applicant: NITTO DENKO CORPORATION
    Inventors: Taishi OGAWA, Akiko TANAKA, Mizuho MIZUNO, Kozo NAKAMURA
  • Patent number: 11940120
    Abstract: A desktop illumination device includes a light source; and a light guide including a light guide plate. The light guide plate has a light incident surface and first and second main surfaces. An angle at which an intensity becomes maximum in a light distribution of light emitted from the first main surface is in a range of ?90° or more to less than 0°, in a case where an axis passing through a center of the first main surface and perpendicular to an installation surface is defined as a vertical axis, and in a plane including the vertical axis and perpendicular to the installation surface, a direction parallel to the installation surface is defined as vertical 0°, an upward angle with respect to the vertical 0° is defined as a positive angle, and a downward angle with respect to the vertical 0° is defined as a negative angle.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: March 26, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takahiro Yoshikawa, Kozo Nakamura, Yufeng Weng
  • Publication number: 20240061157
    Abstract: An optical stack includes: a first optical sheet having a first principal face with a concavo-convex structure and a second principal face at an opposite side from the first principal face; and an adhesive layer that is disposed on the first principal face of the first optical sheet. The concavo-convex structure includes a plurality of dents and flat portions between adjacent ones of the plurality of dents. A surface of the adhesive layer and the first principal face of the first optical sheet together define an internal space within each of the plurality of dents. Each of the plurality of dents satisfies 0.10?(C?A)/C 1.00 and 0.75?(C?A)/(C?B), where A is a maximum height value of the adhesive layer existing in that dent; B is a minimum height value of the adhesive layer existing in that dent; and C is a depth of that dent.
    Type: Application
    Filed: February 4, 2022
    Publication date: February 22, 2024
    Applicant: NITTO DENKO CORPORATION
    Inventors: Akiko TANAKA, Mizuho MIZUNO, Kozo NAKAMURA, Yufeng WENG
  • Publication number: 20230358942
    Abstract: A lighting device that can ensure task productivity while reducing the glare is provided herein. The lighting device has a light source; and a light guiding part including a light guiding panel and configured to guide light that is emitted from the light source. The light guiding panel includes: a light incident end surface that is situated facing the light source, the light incident end surface being a surface on which the light emitted from the light source is incident; a first light emitting part that is included in an opposite end from the light incident end surface, and that emits the light guided inside the light guiding panel; and a second light emitting part that is included in a predetermined main surface of the light guiding panel that intersects with the light incident end surface, and that emits the light guided inside the light guiding panel.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 9, 2023
    Applicant: Nitto Denko Corporation
    Inventors: Kozo NAKAMURA, Yufeng WENG, Takahiro YOSHIKAWA
  • Publication number: 20230296217
    Abstract: An angle at which an intensity becomes maximum in a light distribution of light emitted from a center of a light emitting surface of a surface illumination device is in a range of ?90° or more to less than 0° in a plane including a vertical axis and perpendicular to the light emitting surface, in a case where an axis passing through the center of the light emitting surface and perpendicular to the floor surface is defined as the vertical axis, and in the plane, a direction extending from the center of the light emitting surface toward the floor surface is defined as ?90°, a direction extending from the center of the light emitting surface toward a side opposite to the floor surface is defined as +90°, and a direction orthogonal to the light emitting surface is defined as vertical 0°.
    Type: Application
    Filed: July 19, 2021
    Publication date: September 21, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takahiro YOSHIKAWA, Kozo NAKAMURA, Yufeng WENG
  • Publication number: 20230296823
    Abstract: An optical incoupling tape (50) attachable on a lightguide (20) is provided, comprising a substrate (50A) and at least one pattern (51) formed with a number of periodic pattern features (52) embedded in the substrate (50A) and configured as optically functional cavities (52) filled with a material having a refractive index different from the refractive index of the material of the substrate (50A) surrounding the cavity (52). The pattern (51) is configured to incouple light incident thereto and to adjust direction of the incoupled light such, that the incoupled light acquires a propagation path through a lightguide medium (20) via a series of total internal reflections. A method for manufacturing the tape (50), related uses and an optical apparatus comprising the tape (50) integrated with a light emitter device (22) are further provided.
    Type: Application
    Filed: August 4, 2021
    Publication date: September 21, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kozo NAKAMURA, Minoru MIYATAKE, Yufeng WENG, Kari RINKO, Shingo MATSUMOTO
  • Publication number: 20230296242
    Abstract: A construction according to the invention is a construction including a framework formed by first framework members and second framework members, and panels held by the framework. One or more of the panels can transmit visible light. One or more of the panels that can transmit visible light is a lighting device. The lighting device includes a light source, and a light guide that can transmit visible light and includes a light guide plate to guide light emitted from the light source. The light guide plate includes a light incident surface facing the light source and into which the light emitted from the light source enters, a first principal surface on the interior of the construction and from which the light guided in the light guide plate exits, and a second principal surface on the exterior of the construction and opposing the first principal surface.
    Type: Application
    Filed: July 16, 2021
    Publication date: September 21, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kozo NAKAMURA, Yufeng WENG, Taishi OGAWA
  • Publication number: 20230288624
    Abstract: An optical deflection tape (10) attachable on a lightguide (20) is provided, comprising a substrate (10A) and at least one pattern (11) formed with a number of periodic pattern features (12) embedded in the substrate (10A) and configured as optically functional cavities (12) filled with a material having a refractive index different from the refractive index of the material of the substrate (10A) surrounding the cavity (12). The pattern (11) is configured to adjust direction of light received thereto such, that light incident at the pattern (11) is deflected to acquire a propagation path through a lightguide medium (20) via a series of total internal reflections and, by virtue of said at least one pattern (11), the optical deflection tape (10) is configured to control distribution of light propagating through the lightguide (20). A method for manufacturing the tape (10) and related uses are further provided.
    Type: Application
    Filed: August 4, 2021
    Publication date: September 14, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kozo NAKAMURA, Minoru MIYATAKE, Yufeng WENG, Kari RINKO, Shingo MATSUMOTO
  • Publication number: 20230280005
    Abstract: A desktop illumination device includes a light source; and a light guide including a light guide plate. The light guide plate has a light incident surface and first and second main surfaces. An angle at which an intensity becomes maximum in a light distribution of light emitted from the first main surface is in a range of ?90° or more to less than 0°, in a case where an axis passing through a center of the first main surface and perpendicular to an installation surface is defined as a vertical axis, and in a plane including the vertical axis and perpendicular to the installation surface, a direction parallel to the installation surface is defined as vertical 0°, an upward angle with respect to the vertical 0° is defined as a positive angle, and a downward angle with respect to the vertical 0° is defined as a negative angle.
    Type: Application
    Filed: July 19, 2021
    Publication date: September 7, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takahiro YOSHIKAWA, Kozo NAKAMURA, Yufeng WENG
  • Publication number: 20230280523
    Abstract: A lightguide component for illumination devices includes: a lightguide layer having a first principal face, a second principal face at an opposite side from the first principal face, and a light-receiving side face to receive light emitted from a light source; a first low-refractive index layer (20A) that is disposed at the first principal face side of the lightguide layer, the first low-refractive index layer having a refractive index nL1 which is smaller than a refractive index nGP of the lightguide layer; and a light distribution controlling structure (14A, 14B) capable of at least directing a portion of light propagating in the lightguide layer toward the first low-refractive index layer or in an opposite direction from the first low-refractive index layer. The lightguide component has a visible light transmittance of 60% or more, and a haze value of less than 10%.
    Type: Application
    Filed: July 27, 2021
    Publication date: September 7, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kozo NAKAMURA, Yufeng WENG, Takahiro YOSHIKAWA
  • Publication number: 20230273363
    Abstract: An optical incoupling element (100) provided in the form of a discrete item attachable on a lightguide (20) is provided, comprising a substrate (100A) and at least one three-dimensionally formed optical surface (104). The optical surface (104) is configured to incouple light incident thereto and to adjust direction of the incoupled light transmitted through an optical contact surface (107) established at an interface between the element substrate (100A) and a lightguide medium (20) such, that the incoupled light acquires a propagation path through a lightguide medium (20) via a series of total internal reflections. The optical surface (104) may comprise at least on optical cavity pattern (101). The element (100) is configured to receive light onto said at least one three-dimensionally formed optical surface (104) from a direction essentially parallel to a longitudinal plane of the planar lightguide (20).
    Type: Application
    Filed: August 4, 2021
    Publication date: August 31, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kozo NAKAMURA, Minoru MIYATAKE, Yufeng WENG, Kari RINKO, Shingo MATSUMOTO
  • Patent number: 11674004
    Abstract: The present invention is intended to provide a laminated film including a void-provided layer achieving both a high proportion of void space and a high film strength. The laminated film of the present invention includes a void-provided layer 21 and a resin film 10, the void-provided layer 21 being stacked on the resin film 10. The laminated film is produced by a production method, including steps of forming a void-provided structure 20?, which is a precursor of the void-provided layer 21 on the resin film; and causing a crosslinking reaction in the precursor 20? after the precursor forming step. The precursor 20? contains a substance that generates a basic substance by light irradiation or heating, the basic substance is not generated in the precursor forming step, the basic substance is generated by light irradiation or heating in the crosslinking reaction step, and the crosslinking reaction step has multiple stages.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: June 13, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Daisuke Hattori, Hiromoto Haruta, Kozo Nakamura, Hiroyuki Takemoto