Patents by Inventor Kengo Saito

Kengo Saito 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: 11006839
    Abstract: A biometric information sensor includes a flexible substrate, an adhesive, a heartbeat signal detector, an electrocardiographic signal detector, a pulse wave detector, and a signal processor. The signal processor calculates an electrocardiographic peak estimated value resulting from estimating the wave of an electrocardiographic signal detected by the electrocardiographic signal detector from a heartbeat signal detected by the heartbeat signal detector based on the heartbeat signal and the electrocardiographic signal. The signal processor estimates a pulse wave transmit time based on the calculated electrocardiographic peak estimated value a photoplethysmographic signal detected by the pulse wave detector.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: May 18, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hirofumi Tsuchimoto, Kengo Saito
  • Patent number: 11001653
    Abstract: An object of the present invention is to provide an optical film having an optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. This optical film of the present invention is an optical film at least having an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and the optically anisotropic layer has a density of 1.20 g/cm3 or more and a crosslinking point density of 0.0016 mol/cm3 or more.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: May 11, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Ayako Muramatsu, Hiroshi Sato, Kengo Saito, Takashi Komiyama, Keita Takahashi
  • Patent number: 10991477
    Abstract: An insulated electrical cable includes: a conductor; and an insulating layer that is laminated on an outer peripheral surface of the conductor and includes a polyimide as a main component, wherein the insulating layer includes a plurality of pores, and wherein a porosity of the insulating layer is greater than or equal to 25% by volume and less than or equal to 60% by volume.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: April 27, 2021
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC WINTEC, INC.
    Inventors: Shinya Ota, Masaaki Yamauchi, Hideaki Saito, Shuhei Maeda, Yasushi Tamura, Kengo Yoshida
  • Publication number: 20210109270
    Abstract: An object of the present invention is to provide a polarizer with a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the polarizer has an array structure formed of the first dichroic material and an array structure formed of the second dichroic material.
    Type: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Wataru HOSHINO, Yoshiaki TAKADA, Yasuhiro ISHIWATA, Yuzo FUJIKI, Kengo SAITO
  • Publication number: 20210055604
    Abstract: An object of the present invention is to provide a polarizer having a high degree of alignment and an image display device including the polarizer. A polarizer of the present invention is a polarizer formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the polarizer has an array structure formed of the first dichroic material and the second dichroic material.
    Type: Application
    Filed: September 22, 2020
    Publication date: February 25, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Wataru HOSHINO, Yoshiaki TAKADA, Yuzo FUJIKI, Kengo SAITO, Yasuhiro ISHIWATA, Takashi KATOU, Keisuke USHIROGATA
  • Publication number: 20200318010
    Abstract: An object of the present invention is to provide a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a polymer liquid crystal compound and a dichroic material, in which the polymer liquid crystal compound is a thermotropic liquid crystal and a crystalline polymer, the polymer liquid crystal compound and the dichroic material are horizontally aligned, and crystallinity of the polymer liquid crystal compound in the polarizer-forming composition is higher than the crystallinity of the polymer liquid crystal compound alone.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 8, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Wataru HOSHINO, Yoshiaki TAKADA, Kengo SAITO
  • Patent number: 10692522
    Abstract: The magnetic recording medium has a non-magnetic support and a magnetic layer which is provided on the support and contains ferromagnetic powder and a binder, in which the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, the magnetic layer contains an abrasive, an intensity ratio (Int (110)/Int (114)) of a peak intensity Int (110) of a diffraction peak of (110) plane of a crystal structure of the hexagonal ferrite, determined by performing X-ray diffraction analysis on the magnetic layer by using an In-Plane method, to a peak intensity Int (114) of a diffraction peak of (114) plane of the crystal structure is equal to or higher than 0.5 and equal to or lower than 4.0, and a squareness ratio in a vertical direction is equal to or higher than 0.65 and equal to or lower than 1.00. The present invention also provides a method for manufacturing the magnetic recording medium.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: June 23, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Toshio Tada, Norihito Kasada, Masahito Oyanagi, Akinori Sugishima, Kengo Saito
  • Publication number: 20200161819
    Abstract: A rotary connector includes a fixed housing having an outer cylindrical section, a movable housing, having an inner cylindrical section, and rotatably connected to the fixed housing, a main cable accommodated inside an annular space formed between the outer cylindrical section and the inner cylindrical section, a sub cable having one end connected to one end of the main cable and the other end connected to an external terminal, and a lead block. The lead block has a first block, to which the one end of the main cable and the one end of the sub cable are fixed, and a second block, which is fixed at an arrangement angle crossing an angle at which the first block is arranged, and to which the other end of the sub cable and the external terminal are fixed.
    Type: Application
    Filed: January 27, 2020
    Publication date: May 21, 2020
    Inventors: Kengo SAITO, Toshiaki ASAKURA
  • Patent number: 10651617
    Abstract: A rotary connector includes a fixed housing having an outer cylindrical section, a movable housing, having an inner cylindrical section, and rotatably connected to the fixed housing, a main cable accommodated inside an annular space formed between the outer cylindrical section and the inner cylindrical section, a sub cable having one end connected to one end of the main cable and the other end connected to an external terminal, and a lead block. The lead block has a first block, to which the one end of the main cable and the one end of the sub cable are fixed, and a second block, which is fixed at an arrangement angle crossing an angle at which the first block is arranged, and to which the other end of the sub cable and the external terminal are fixed.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: May 12, 2020
    Assignee: ALPS ALPINE CO., LTD.
    Inventors: Kengo Saito, Toshiaki Asakura
  • Patent number: 10588522
    Abstract: A biological sensor capable of improving the signal to noise ratio of a detection signal obtained by a light-receiving element and amplified by an amplifier is provided. The biological sensor includes a microcontroller that generates a driving signal, a light-emitting element that emits light in accordance with the driving signal, a light-receiving element that outputs a current detection signal based on an intensity of received light, and an amplifying circuit that converts the current detection signal into a voltage detection signal, amplifies an alternating current component of the voltage detection signal, and outputs an amplified detection signal. Furthermore, the microcontroller generates an offset signal that is applied to an offset circuit to offset the direct current component of the voltage detection signal and to obtain biological information by processing the amplified detection signal.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: March 17, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hirofumi Tsuchimoto, Takanori Hayashi, Kengo Saito, Hiroyuki Nakaji
  • Patent number: 10554003
    Abstract: A rotor-side lead block integrally holds a plurality of external connection terminals electrically and directly connected to a connection land of a first sub FPC. The first sub FPC is housed and fixed in the rotor-side connector portion. The external connection terminals and the connection land of the first sub FPC are connected to each other via solder. The first holding member holds the connection land of the first sub FPC between the rotor-side lead block and the first holding member.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: February 4, 2020
    Assignee: ALPS ALPINE CO., LTD.
    Inventors: Kengo Saito, Toshiaki Asakura
  • Publication number: 20200018879
    Abstract: An object of the invention is to provide an anisotropic light absorption film having both a high alignment degree and high light resistance, and a laminate provided using the anisotropic light absorption film. An anisotropic light absorption film according to the embodiment of the invention is formed from a composition having a first dichroic azo dye, a second dichroic azo dye, and a compound represented by Formula (I) or a polymer thereof, the first dichroic azo dye has a solution absorption maximum wavelength of 400 nm or greater and less than 550 nm, the second dichroic azo dye has a solution absorption maximum wavelength of 550 nm or greater and 750 nm or less, and the film has an arrangement structure of the first dichroic azo dye or an arrangement structure of the second dichroic azo dye therein.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yumi KATOU, Shinichi MORISHIMA, Wataru HOSHINO, Jun TAKEDA, Kengo SAITO, Yuzo FUJIKI
  • Publication number: 20190097372
    Abstract: A rotor-side lead block integrally holds a plurality of external connection terminals electrically and directly connected to a connection land of a first sub FPC. The first sub FPC is housed and fixed in the rotor-side connector portion. The external connection terminals and the connection land of the first sub FPC are connected to each other via solder. The first holding member holds the connection land of the first sub FPC between the rotor-side lead block and the first holding member.
    Type: Application
    Filed: November 26, 2018
    Publication date: March 28, 2019
    Inventors: Kengo Saito, Toshiaki Asakura
  • Publication number: 20180201701
    Abstract: An object of the present invention is to provide an optical film having an optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. This optical film of the present invention is an optical film at least having an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and the optically anisotropic layer has a density of 1.20 g/cm3 or more and a crosslinking point density of 0.0016 mol/cm3 or more.
    Type: Application
    Filed: March 15, 2018
    Publication date: July 19, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Ayako MURAMATSU, Hiroshi SATO, Kengo SAITO, Takashi KOMIYAMA, Keita TAKAHASHI
  • Publication number: 20180082710
    Abstract: The magnetic recording medium has a non-magnetic support and a magnetic layer which is provided on the support and contains ferromagnetic powder and a binder, in which the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, the magnetic layer contains an abrasive, an intensity ratio (Int (110)/Int (114)) of a peak intensity Int (110) of a diffraction peak of (110) plane of a crystal structure of the hexagonal ferrite, determined by performing X-ray diffraction analysis on the magnetic layer by using an In-Plane method, to a peak intensity Int (114) of a diffraction peak of (114) plane of the crystal structure is equal to or higher than 0.5 and equal to or lower than 4.0, and a squareness ratio in a vertical direction is equal to or higher than 0.65 and equal to or lower than 1.00. The present invention also provides a method for manufacturing the magnetic recording medium.
    Type: Application
    Filed: September 15, 2017
    Publication date: March 22, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Toshio TADA, Norihito KASADA, Masahito OYANAGI, Akinori SUGISHIMA, Kengo SAITO
  • Publication number: 20170368015
    Abstract: An object of the invention is to provide a compound that can be utilized as an antiviral agent, in particular as an anti-RNA viral agent, and especially as an anti-RS viral agent. The invention provides a compound indicated by Formula (1), wherein R1 each independently represent hydrogen, halogen, hydroxyl, amino, carboxyl, C1-C6 alkyl, C1-C6 alkoxyl, C1-C6 halogenoalkyl, C1-C6 alkoxycarbonyl, C1-C6 alkylamino, C2-C5 alkenyl, C3-C6 cycloalkyl, or optionally substituted aryl; R2 each independently represent hydrogen, C1-C6 alkyl, C1-C6 halogenoalkyl, C2-C5 alkenyl, C3-C6 cycloalkyl, optionally substituted aryl or heterocyclic group; and one or more R1 may be present in the same ring, an isomer thereof, a pharmaceutically acceptable salt thereof, or a mixture of these. The compounds provided by the invention are useful as drugs for the prevention or treatment of infectious diseases by virus, especially RS virus, and in particular infectious diseases in the lower airways (e.g., bronchiolitis, pneumonia, etc.).
    Type: Application
    Filed: December 25, 2015
    Publication date: December 28, 2017
    Applicant: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Hiroshi SHIRASAWA, Takayoshi ARAI, Yutaka TAMURA, Kengo SAITO, Akiko SUGANAMI, Yoshifumi OHNO, Akira YANAGISAWA, Shoji MATSUMOTO, Tetsuhiro NEMOTO, Ouji WATANABE
  • Publication number: 20170150891
    Abstract: A biometric information sensor includes a flexible substrate, an adhesive, a heartbeat signal detector, an electrocardiographic signal detector, a pulse wave detector, and a signal processor. The signal processor calculates an electrocardiographic peak estimated value resulting from estimating the wave of an electrocardiographic signal detected by the electrocardiographic signal detector from a heartbeat signal detected by the heartbeat signal detector based on the heartbeat signal and the electrocardiographic signal. The signal processor estimates a pulse wave transmit time based on the calculated electrocardiographic peak estimated value a photoplethysmographic signal detected by the pulse wave detector.
    Type: Application
    Filed: February 14, 2017
    Publication date: June 1, 2017
    Inventors: Hirofumi TSUCHIMOTO, Kengo SAITO
  • Publication number: 20160143549
    Abstract: A biological sensor capable of improving the signal to noise ratio of a detection signal obtained by a light-receiving element and amplified by an amplifier is provided. The biological sensor includes a microcontroller that generates a driving signal, a light-emitting element that emits light in accordance with the driving signal, a light-receiving element that outputs a current detection signal based on an intensity of received light, and an amplifying circuit that converts the current detection signal into a voltage detection signal, amplifies an alternating current component of the voltage detection signal, and outputs an amplified detection signal. Furthermore, the microcontroller generates an offset signal that is applied to an offset circuit to offset the direct current component of the voltage detection signal and to obtain biological information by processing the amplified detection signal.
    Type: Application
    Filed: February 2, 2016
    Publication date: May 26, 2016
    Inventors: Hirofumi Tsuchimoto, Takanori Hayashi, Kengo Saito, Hiroyuki Nakaji
  • Patent number: 9158242
    Abstract: An image forming apparatus, including: an image bearing member; a transfer member to which a transfer voltage is applied to transfer the toner image on the image bearing member to a recording medium; a transfer voltage applying unit configured to apply the transfer voltage to the transfer member to make a value of a current flowing through the transfer member into a set current value; and a control unit configured to control the transfer voltage applying unit by changing stepwise the set current value according to a resistance of the transfer member, wherein the control unit sets a set current value smaller than a target current value when a target voltage value is larger than a preset threshold voltage value, the target current value being set according to the resistance of the transfer member, the target voltage value being applied to flow a current of the target current value.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: October 13, 2015
    Assignee: Canon Finetech Inc.
    Inventor: Kengo Saito
  • Patent number: 6297920
    Abstract: An information reproduction apparatus uses a block storer to store blocks read by a reproduction head tip, and uses an error detector to detect errors in the blocks. The information reproduction apparatus also uses an information corrector to perform information correction, and a multiblock simultaneous reproducer to reduce block restoration time. The information reproduction apparatus uses an output timing adjuster to output information units at a predetermined cycle and in a predetermined order, whereby original information is restored.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: October 2, 2001
    Assignee: Sony Corporation
    Inventors: Kengo Saito, Kuniko Yamamoto