Patents by Inventor Akira Ikeda

Akira Ikeda 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: 12147115
    Abstract: A display medium comprising: a multilayered substrate including a polarized light separation layer and a phase difference layer; and a first reflective layer provided on a surface of the multilayered substrate on a side with the polarized light separation layer, wherein: the polarized light separation layer can reflect circularly polarized light which has one rotation direction DA, and can transmit circularly polarized light which has an opposite rotation direction to the rotation direction DA; the first reflective layer can reflect circularly polarized light which has one rotation direction DB1, and can transmit circularly polarized light which has an opposite rotation direction to the rotation direction DB1; and the rotation direction DA of the circularly polarized light that the polarized light separation layer can reflect and the rotation direction DB1 of the circularly polarized light that the first reflective layer can reflect are the same as each other.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: November 19, 2024
    Assignee: ZEON CORPORATION
    Inventor: Akira Ikeda
  • Patent number: 12148979
    Abstract: Provided is a transparent antenna comprising a transparent base material, an antenna part, and a joint part electrically bonded to the antenna part, the antenna part and the joint part being arranged on the transparent base material, wherein the joint part has a first conductive pattern and a first opening part without the first conductive pattern formed thereon, the antenna part has a second conductive pattern and a second opening part without the second conductive pattern formed thereon, surface free energy E1 of the first conductive pattern is 60 mJ/m2 or less, and surface free energy E0 of the transparent base material at the first opening part is larger than the surface free energy E1.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: November 19, 2024
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Fujito Yamaguchi, Akira Ikeda
  • Patent number: 12020479
    Abstract: There is provided an identification method acquiring a first image, a pixel value of each of pixels of which represents a distance from a first position to an imaging target object including an identification target object, acquiring a second image captured from the first position or a second position different the first position, a pixel value of each of pixels of the second image representing at least luminance of reflected light from the imaging target object, identifying a type of the identification target object based on the second image, and calculating, based on the first image, an indicator value indicating a reliability degree of an identification result of the type of the identification target object based on the second image.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: June 25, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takumi Oike, Akira Ikeda
  • Publication number: 20240148287
    Abstract: A biological information measurement device includes: a light-emitting unit including a first light-emitting element that emits red light and a second light-emitting element that emits infrared light; a light-receiving unit configured to receive the red light emitted from the first light-emitting element and the infrared light emitted from the second light-emitting element and generate a first light-receiving signal based on the red light and a second light-receiving signal based on the infrared light; and a controller configured to calculate an oxygen saturation concentration. The controller is configured to calculate the oxygen saturation concentration using the first light-receiving signal and the second light-receiving signal, calculate correlation data using the first light-receiving signal and the second light-receiving signal, and determine the oxygen saturation concentration based on the correlation data.
    Type: Application
    Filed: November 8, 2023
    Publication date: May 9, 2024
    Inventors: Akira IKEDA, Atsushi MATSUO
  • Publication number: 20240148288
    Abstract: A controller of a biological information measurement device performs time-frequency analysis on a first light-receiving signal based on red light, a second light-receiving signal based on infrared light, and a third light-receiving signal based on green light, determines a pulsation band including a frequency of a pulse wave by the time-frequency analysis on the third light-receiving signal, detects a first light-receiving signal intensity of the pulsation band and a second light-receiving signal intensity of the pulsation band, and calculates a fluctuation component ratio between a red light transmitted amount and an infrared light transmitted amount by using the first light-receiving signal intensity and the second light-receiving signal intensity.
    Type: Application
    Filed: November 8, 2023
    Publication date: May 9, 2024
    Inventors: Akira IKEDA, Tsukasa EGUCHI
  • Publication number: 20230410773
    Abstract: An electronic musical instrument includes an input device that receives an input operation, a display, and a processor. The processor performs a first process upon duration of a detected continuation of the input operation being a reference time or longer. The processor performs a second process upon duration of a detected continuation of the input operation being less than the reference time. The processor causes the display to display a content from which it is determinable whether or not duration of a detected continuation of the input operation being the reference time or longer.
    Type: Application
    Filed: June 13, 2023
    Publication date: December 21, 2023
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Shingo OKANO, Akira IKEDA, Ken TERAO, Shinichi MORITANI, Tomoya KAJIKAWA, Osamu MORIYAMA
  • Publication number: 20230413403
    Abstract: An electronic musical instrument includes an operation receiver that receives an input operation and a processor. The operation receiver includes a rotating wheel. The rotating wheel includes a first light emitter that emits colored light. The processor causes, upon the rotating wheel receiving an input operation, the first light emitter to change an emission color from a color at a start of the input operation to a color corresponding to a rotation angle of the rotating wheel having received the input operation.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 21, 2023
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Shingo OKANO, Akira IKEDA, Ken TERAO, Osamu MORIYAMA, Tomoya KAJIKAWA, Yutaro ICHIMURA
  • Patent number: 11635863
    Abstract: An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 25, 2023
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeshi Kamijo, Kazuma Komatsu, Akira Ikeda, Sora Hida, Tetsuro Sugimoto
  • Patent number: 11620028
    Abstract: An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 4, 2023
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeshi Kamijo, Kazuma Komatsu, Akira Ikeda, Sora Hida, Tetsuro Sugimoto
  • Publication number: 20230056766
    Abstract: Provided is a transparent antenna comprising a transparent base material, an antenna part, and a joint part electrically bonded to the antenna part, the antenna part and the joint part being arranged on the transparent base material, wherein the joint part has a first conductive pattern and a first opening part without the first conductive pattern formed thereon, the antenna part has a second conductive pattern and a second opening part without the second conductive pattern formed thereon, surface free energy E1 of the first conductive pattern is 60 mJ/m2 or less, and surface free energy E0 of the transparent base material at the first opening part is larger than the surface free energy E1.
    Type: Application
    Filed: February 8, 2021
    Publication date: February 23, 2023
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Fujito YAMAGUCHI, Akira IKEDA
  • Patent number: 11520451
    Abstract: An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: December 6, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeshi Kamijo, Kazuma Komatsu, Akira Ikeda, Sora Hida, Tetsuro Sugimoto
  • Publication number: 20220357585
    Abstract: A display medium comprises a substrate having first and second surfaces, and a reflective layer on at least one of the first and second surfaces. The substrate includes a polarized light separation layer capable of reflecting circularly polarized light having one rotation direction DA and transmitting circularly polarized light having an opposite rotation direction to the rotation direction DA therethrough. The reflective layer contains first and second reflective pigments capable of reflecting circularly polarized light having rotation directions DBR and DBL, respectively, and transmitting circularly polarized light having opposite rotation directions to the rotation directions DBR and DBL, respectively, therethrough. The rotation directions DBR and DBL of the circularly polarized light that the first and second reflective pigments, respectively, can reflect are opposite to each other. Hues of the circularly polarized light that the first and second reflective pigments can reflect are differ from each other.
    Type: Application
    Filed: September 15, 2020
    Publication date: November 10, 2022
    Applicant: ZEON CORPORATION
    Inventor: Akira IKEDA
  • Publication number: 20220357814
    Abstract: An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 10, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeshi KAMIJO, Kazuma KOMATSU, Akira IKEDA, Sora HIDA, Tetsuro SUGIMOTO
  • Publication number: 20220357815
    Abstract: An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 10, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeshi KAMIJO, Kazuma KOMATSU, Akira IKEDA, Sora HIDA, Tetsuro SUGIMOTO
  • Publication number: 20220296109
    Abstract: A biological information acquisition device includes a light source configured to emit a laser beam; a light branching element configured to branch the laser beam into a first luminous flux and a second luminous flux; a first light receiving element configured to receive the first luminous flux; a second light receiving element configured to receive scattered light generated by scattering of the second luminous flux incident on an inspection site of a living body; a differential circuit to which the first light receiving element and the second light receiving element are coupled; a signal processing unit configured to obtain biological fluid information by processing a light detection signal output via the differential circuit; and a first light shielding part configured to reduce the scattered light incident on the first light receiving element.
    Type: Application
    Filed: March 17, 2022
    Publication date: September 22, 2022
    Inventors: Tsukasa EGUCHI, Hitoshi TSUCHIYA, Ayae SAWADO, Akira IKEDA
  • Publication number: 20220244595
    Abstract: A display medium comprising: a multilayered substrate including a polarized light separation layer and a phase difference layer; and a first reflective layer provided on a surface of the multilayered substrate on a side with the polarized light separation layer, wherein: the polarized light separation layer can reflect circularly polarized light which has one rotation direction DA, and can transmit circularly polarized light which has an opposite rotation direction to the rotation direction DA; the first reflective layer can reflect circularly polarized light which has one rotation direction DB1, and can transmit circularly polarized light which has an opposite rotation direction to the rotation direction DB1; and the rotation direction DA of the circularly polarized light that the polarized light separation layer can reflect and the rotation direction DB1 of the circularly polarized light that the first reflective layer can reflect are the same as each other.
    Type: Application
    Filed: July 2, 2020
    Publication date: August 4, 2022
    Applicant: ZEON CORPORATION
    Inventor: Akira IKEDA
  • Patent number: 11317873
    Abstract: A biological analysis device includes an average blood pressure calculation unit that calculates an average blood pressure index related to an average blood pressure of a biological body in accordance with a blood vessel diameter index related to a blood vessel diameter of the biological body and a blood flow index related to a blood flow of the biological body and calculated from an intensity spectrum related to a frequency of light reflected and received from an inside of the biological body through radiation of a laser beam.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: May 3, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kohei Yamada, Ayae Sawado, Akiko Yamada, Megumi Enari, Yuta Machida, Akira Ikeda, Masayasu Fukuoka, Akira Kitahara
  • Publication number: 20220129672
    Abstract: There is provided an identification method acquiring a first image, a pixel value of each of pixels of which represents a distance from a first position to an imaging target object including an identification target object, acquiring a second image captured from the first position or a second position different the first position, a pixel value of each of pixels of the second image representing at least luminance of reflected light from the imaging target object, identifying a type of the identification target object based on the second image, and calculating, based on the first image, an indicator value indicating a reliability degree of an identification result of the type of the identification target object based on the second image.
    Type: Application
    Filed: October 25, 2021
    Publication date: April 28, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takumi OIKE, Akira IKEDA
  • Publication number: 20220129690
    Abstract: There is provided an identification method including acquiring a first image, a pixel value of each of pixels of which represents a distance from a first position to a first imaging target object including a background object and an identification target object, acquiring a second image captured from the first position or a second position different the first position, a pixel value of each of pixels of the second image representing at least luminance of reflected light from the first imaging target object, specifying, based on the first image, a first region occupied by the identification target object in the first image, and identifying a type of the identification target object based on an image of a second region corresponding to the first region in the second image.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akira IKEDA, Takumi OIKE
  • Publication number: 20220113837
    Abstract: An object of the present invention is to provide a conductive film further improved in at least any of mechanical characteristics, electrical characteristics, and optical characteristics while enjoying improvement in transparency by the thinning of a fine metal wire, and a conductive film roll, an electronic paper, a touch panel, and a flat-panel display comprising the same.
    Type: Application
    Filed: July 30, 2019
    Publication date: April 14, 2022
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeshi KAMIJO, Kazuma KOMATSU, Akira IKEDA, Sora HIDA, Tetsuro SUGIMOTO