Patents by Inventor Hiroshi Tazawa

Hiroshi Tazawa 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: 12208565
    Abstract: Provided are a master in which a more complicated microstructure is formed, a transferred object obtained by using the master, and a method of producing the master. A plurality of concave-convex groups each including a plurality of concavities or convexities are provided on a base material apart from each other. Average widths of areas occupied by the concavities or convexities at a surface of the base material are smaller than or equal to a wavelength belonging to a visible light band. Formed lengths of the concavities or convexities from the surface of the base material in each of the concave-convex groups each belong to any of at least two or more groups having different central values.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: January 28, 2025
    Assignee: DEXERIALS CORPORATION
    Inventors: Masanao Kikuchi, Hiroshi Tazawa, Asahiko Nogami, Kazuya Hayashibe
  • Patent number: 12099221
    Abstract: An optical filter includes a transmission portion transmitting light and an absorption portion absorbing light between a plane of incidence and a plane of emission, and the volume of the transmission portion is larger than the volume of the absorption portion. For the optical filter, when the transmission spectrum S0 of light incident at an incidence angle of 0° and the transmission spectrum S60 of light incident at an incidence angle of 60° are superimposed, the transmittance (%) at an incidence angle of 60° is lower than the transmittance (%) at an incidence angle of 0° by 15% or more for a first wavelength band, and the difference between the transmittance (%) at an incidence angle of 60° and the transmittance (%) at an incidence angle of 0° is 10% or less for a second wavelength band.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 24, 2024
    Assignee: Dexerials Corporation
    Inventors: Shunichi Kajiya, Hiroshi Tazawa, Kazuhiko Noda, Kyoko Sakurai
  • Patent number: 11897182
    Abstract: There is provided a novel and improved resin laminated optical body and a method for manufacturing the same that can easily adjust an optical property other than an optical property derived from a micro concave-convex structure, and eventually can reduce manufacturing costs of an optical device. The resin laminated optical body includes: an optical base material having a curved surface; and a resin layer provided on the curved surface of the optical base material. A micro concave-convex structure is formed in a surface of the resin layer, and the resin laminated optical body has a first optical property derived from the micro concave-convex structure and a second optical property derived from a property of the resin layer other than the micro concave-convex structure, the second optical property being different from an optical property of the optical base material.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: February 13, 2024
    Assignee: DEXERIALS CORPORATION
    Inventor: Hiroshi Tazawa
  • Publication number: 20240041960
    Abstract: In one embodiment, the present invention provides an anti-cancer-associated non-tumor cell agent. In one embodiment, the present invention relates to an anti-cancer-associated non-tumor cell agent comprising an oncolytic virus comprising a p53 gene. In one embodiment, the present invention relates to an anti-cancer-associated non-tumor cell preparation comprising a recombinant virus comprising: a first gene cassette containing a telomerase reverse transcriptase promoter, an E1A gene, an IRES sequence and an E1B gene; and a second gene cassette containing a promoter and a p53 gene.
    Type: Application
    Filed: August 14, 2023
    Publication date: February 8, 2024
    Applicants: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY, Oncolys BioPharma Inc.
    Inventors: Toshiyoshi FUJIWARA, Toshihiro OGAWA, Takeyoshi NISHIYAMA, Satoru KIKUCHI, Hiroshi TAZAWA
  • Patent number: 11874436
    Abstract: The optical device 1 according to the present disclosure includes substrates 10 provided opposite to each other, a partition wall 20 formed between opposing faces of the substrates 10 and separating adjacent spaces, and a fluid 30 filled in each space 20b separated by the partition wall and containing an electric field control material, wherein the optical device further includes, between at least one of the substrates 10 and the partition wall 20, a fine uneven layer 40 having fine uneven shapes and a conductive layer 50 formed according to a shape of the fine uneven layer.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: January 16, 2024
    Assignee: Dexerials Corporation
    Inventors: Hiroshi Tazawa, Kazuhiko Noda, Kyoko Sakurai, Shunichi Kajiya
  • Publication number: 20230124524
    Abstract: It would be helpful to provide an optical body having excellent antireflection performance over a wide wavelength range from the visible light region to the near-infrared region. The present disclosure discloses an optical body 1 including a transparent substrate 10 and a fine uneven layer 20 with a fine uneven structure in at least one surface of the substrate 10. A maximum value (Ra) of reflectance for light in a wavelength region of 400 nm to 950 nm is 1 % or less, and a wavelength at which the reflectance is at a local minimum value (Rb) is 650 nm or more.
    Type: Application
    Filed: March 17, 2021
    Publication date: April 20, 2023
    Applicant: Dexerials Corporation
    Inventor: Hiroshi TAZAWA
  • Patent number: 11543621
    Abstract: There is provided a camera module including a stacked lens structure including a plurality of lens substrates. The plurality of lens substrates includes a first lens substrate including a first lens that is disposed at an inner side of a through-hole formed in the first lens substrate, and a second lens substrate including a second lens that is disposed at an inner side of a through-hole formed in the second lens substrate, wherein the first lens substrate is directly bonded to the second lens substrate. The camera module further includes an electromagnetic drive unit configured to adjust a distance between the stacked lens structure and a light-receiving element.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: January 3, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Munekatsu Fukuyama, Hiroyasu Matsugai, Hiroyuki Itou, Suguru Saito, Keiji Ohshima, Masanori Iwasaki, Toshihiko Hayashi, Shuzo Sato, Nobutoshi Fujii, Hiroshi Tazawa, Toshiaki Shiraiwa, Yusuke Moriya, Minoru Ishida
  • Patent number: 11525984
    Abstract: The present technology relates to, for example, a lens attached substrate including a substrate which has a through-hole formed therein and a light shielding film formed on a side wall of the through-hole and a lens resin portion which is formed inside the through-hole of the substrate. The present technology can be applied to, for example, a lens attached substrate, a layered lens structure, a camera module, a manufacturing apparatus, a manufacturing method, an electronic device, a computer, a program, a storage medium, a system, and the like.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: December 13, 2022
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yusuke Moriya, Masanori Iwasaki, Takashi Oinoue, Yoshiya Hagimoto, Hiroyasu Matsugai, Hiroyuki Itou, Suguru Saito, Keiji Ohshima, Nobutoshi Fujii, Hiroshi Tazawa, Toshiaki Shiraiwa, Minoru Ishida
  • Publication number: 20220291422
    Abstract: Provided is an anti-reflection structure with excellent anti-reflection performance and transparency, and with reduced generation of wrinkles on the surface. The present disclosure is an anti-reflection structure 10 including at least an adhesion layer 20 and an anti-reflection layer 30 formed on the adhesion layer 20 and having fine uneven structures on both sides thereof. The storage elastic modulus E? of the adhesion layer 20 is equal to or greater than 25 MPa, and fine uneven structures formed on both sides of the anti-reflection layer 30 each have an uneven period P equal to or less than the wavelength of visible light.
    Type: Application
    Filed: September 23, 2020
    Publication date: September 15, 2022
    Applicant: Dexerials Corporation
    Inventors: Hiroshi SUGATA, Hiroshi TAZAWA, Shunichi KAJIYA
  • Patent number: 11342371
    Abstract: A deformation of a stacked lens is suppressed. A stacked lens structure has a configuration in which substrates with lenses having a lens disposed on an inner side of a through-hole formed in the substrate are bonded and stacked by direct bonding. The present technique can be applied to a camera module or the like in which a stacked lens structure in which at least three substrates with lenses including first to third substrates with lenses which are substrates with lenses in which a through-hole is formed in the substrate and a lens is formed on an inner side of the through-hole is integrated with a light receiving element, for example.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: May 24, 2022
    Assignee: SONY CORPORATION
    Inventors: Hiroyasu Matsugai, Hiroyuki Itou, Suguru Saito, Keiji Ohshima, Masanori Iwasaki, Toshihiko Hayashi, Shuzo Sato, Nobutoshi Fujii, Hiroshi Tazawa, Toshiaki Shiraiwa, Minoru Ishida
  • Publication number: 20220043241
    Abstract: The present technology relates to, for example, a lens attached substrate including a substrate which has a through-hole formed therein and a light shielding film formed on a side wall of the through-hole and a lens resin portion which is formed inside the through-hole of the substrate. The present technology can be applied to, for example, a lens attached substrate, a layered lens structure, a camera module, a manufacturing apparatus, a manufacturing method, an electronic device, a computer, a program, a storage medium, a system, and the like.
    Type: Application
    Filed: October 26, 2021
    Publication date: February 10, 2022
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yusuke MORIYA, Masanori IWASAKI, Takashi OINOUE, Yoshiya HAGIMOTO, Hiroyasu MATSUGAI, Hiroyuki ITOU, Suguru SAITO, Keiji OHSHIMA, Nobutoshi FUJII, Hiroshi TAZAWA, Toshiaki SHIRAIWA, Minoru ISHIDA
  • Patent number: 11222875
    Abstract: [Object] To provide a display apparatus that makes it possible to improve visibility. [Solution] A display apparatus according to an embodiment of the present disclosure includes: a display body device including a plurality of pixels, the plurality of pixels each including a plurality of light-emitting elements as light source elements; and an irregular structure formed on a front surface of the display body device.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: January 11, 2022
    Assignee: SONY CORPORATION
    Inventors: Hiroshi Tazawa, Kotaro Shima
  • Publication number: 20210393715
    Abstract: In one embodiment, the present invention provides an anti-cancer-associated non-tumor cell agent. In one embodiment, the present invention relates to an anti-cancer-associated non-tumor cell agent comprising an oncolytic virus comprising a p53 gene. In one embodiment, the present invention relates to an anti-cancer-associated non-tumor cell preparation comprising a recombinant virus comprising: a first gene cassette containing a telomerase reverse transcriptase promoter, an E1A gene, an IRES sequence and an E1B gene; and a second gene cassette containing a promoter and a p53 gene.
    Type: Application
    Filed: June 21, 2021
    Publication date: December 23, 2021
    Applicants: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY, Oncolys BioPharma Inc.
    Inventors: Toshiyoshi FUJIWARA, Toshihiro OGAWA, Takeyoshi NISHIYAMA, Satoru KIKUCHI, Hiroshi TAZAWA
  • Publication number: 20210382214
    Abstract: Provided is an optical filter having different color correction effects for specific wavelength regions depending on the angle of incident light. The optical filter includes a transmission portion transmitting light and an absorption portion absorbing light between a plane of incidence and a plane of emission, and the volume of the transmission portion is larger than the volume of the absorption portion. For the optical filter, when the transmission spectrum S0 of light incident at 0° and the transmission spectrum S60 of light incident at 60° are superimposed, the transmittance (%) at 60° is lower than the transmittance (%) at 0° by 15% or more for a first wavelength band, and the difference between the transmittance (%) at 60° and the transmittance (%) at 0° is lower by 10% or more less for a second wavelength band.
    Type: Application
    Filed: October 23, 2019
    Publication date: December 9, 2021
    Applicant: Dexerials Corporation
    Inventors: Shunichi KAJIYA, Hiroshi TAZAWA, Kazuhiko NODA, Kyoko SAKURAI
  • Publication number: 20210382205
    Abstract: A laminate includes a thin film structural body and retention films. A first retention film is stacked on one face of the thin film structural body and a second retention film is stacked on another face of the thin film structural body. The thin film structural body has a first fine irregularity structure at a face that is in contact with the first retention film and has a second fine irregularity structure at a face that is in contact with the second retention film. The first retention film has a third fine irregularity structure at a face that is in contact with the thin film structural body. The second retention film has a fourth fine irregularity structure at a face that is in contact with the thin film structural body. The laminate includes a half cut section. The second retention film contains a UV-curable resin.
    Type: Application
    Filed: October 30, 2019
    Publication date: December 9, 2021
    Applicant: Dexerials Corporation
    Inventors: Hiroshi SUGATA, Hiroshi TAZAWA, Shunichi KAJIYA
  • Patent number: 11194135
    Abstract: The present technology relates to, for example, a lens attached substrate including a substrate which has a through-hole formed therein and a light shielding film formed on a side wall of the through-hole and a lens resin portion which is formed inside the through-hole of the substrate. The present technology can be applied to, for example, a lens attached substrate, a layered lens structure, a camera module, a manufacturing apparatus, a manufacturing method, an electronic device, a computer, a program, a storage medium, a system, and the like.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: December 7, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yusuke Moriya, Masanori Iwasaki, Takashi Oinoue, Yoshiya Hagimoto, Hiroyasu Matsugai, Hiroyuki Itou, Suguru Saito, Keiji Ohshima, Nobutoshi Fujii, Hiroshi Tazawa, Toshiaki Shiraiwa, Minoru Ishida
  • Patent number: 11177244
    Abstract: [Object] To provide a display apparatus that makes it possible to improve visibility. [Solution] A display apparatus according to an embodiment of the present disclosure includes: a display body device including a plurality of pixels, the plurality of pixels each including a plurality of light-emitting elements as light source elements; and an irregular structure formed on a front surface of the display body device.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: November 16, 2021
    Assignee: SONY CORPORATION
    Inventors: Hiroshi Tazawa, Kotaro Shima
  • Patent number: 11130299
    Abstract: To suppress occurrence of contamination or damage to a lens. In the present technology, for example, a manufacturing apparatus allows a spacer which is thicker than a height of a lens resin portion protruded from a substrate to be adhered to the substrate. In addition, for example, in the present technology, the manufacturing apparatus molds the lens resin portion inside a through-hole formed in the substrate by using a mold frame configured with two layers of molds and, after molding the lens resin portion, in the state that one mold is adhered to the substrate, the manufacturing apparatus demolds the substrate from the other mold. The present technology can be applied to, for example, a lens-attached substrate, a stacked lens structure, a camera module, a manufacturing apparatus, a manufacturing method, an electronic apparatus, a computer, a program, a storage medium, a system, or the like.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: September 28, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Hiroshi Tazawa, Toshihiro Kurobe, Sotetsu Saito, Hiroyasu Matsugai, Hiroyuki Itou, Suguru Saito, Keiji Ohshima, Nobutoshi Fujii, Toshiaki Shiraiwa, Minoru Ishida
  • Publication number: 20210197504
    Abstract: Provided are a resin laminated optical body, a light source unit, an optical unit, a light irradiation device, an image display device, and a method for manufacturing a resin laminated optical body that are novel and improved, by which an optical apparatus can be reduced in size, and the light emission quality can be improved. To achieve the above object, according to an aspect of the present invention, a resin laminated optical body is provided including an optical base material having a curved surface, and a resin layer provided on the curved surface of the optical base material, in which a light diffusing structure is formed in a surface of the resin layer.
    Type: Application
    Filed: May 16, 2019
    Publication date: July 1, 2021
    Applicant: DEXERIALS CORPORATION
    Inventors: Hiroshi TAZAWA, Mitsuo ARIMA, Koji SASAKI
  • Publication number: 20210094220
    Abstract: There is provided a novel and improved resin laminated optical body and a method for manufacturing the same that can easily adjust an optical property other than an optical property derived from a micro concave-convex structure, and eventually can reduce manufacturing costs of an optical device. The resin laminated optical body includes: an optical base material having a curved surface; and a resin layer provided on the curved surface of the optical base material. A micro concave-convex structure is formed in a surface of the resin layer, and the resin laminated optical body has a first optical property derived from the micro concave-convex structure and a second optical property derived from a property of the resin layer other than the micro concave-convex structure, the second optical property being different from an optical property of the optical base material.
    Type: Application
    Filed: February 27, 2019
    Publication date: April 1, 2021
    Applicant: DEXERIALS CORPORATION
    Inventor: Hiroshi TAZAWA