Patents by Inventor Hiroshi Sakai

Hiroshi Sakai 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: 12135842
    Abstract: A pen-type controller includes a pen portion having a pen shape, a grip portion that intersects an axis direction of the pen portion, and a first light emitting part disposed at an end part of the grip portion, wherein the end part is closer to the axis of the pen portion than another end part of the grip portion.
    Type: Grant
    Filed: September 21, 2023
    Date of Patent: November 5, 2024
    Assignee: Wacom Co., Ltd.
    Inventors: Hiroshi Munakata, Jun Hasegawa, Futa Imata, Hiroshi Fujioka, Yuta Sato, Kiyokazu Sakai, Ryoichi Kikuchi
  • Patent number: 12124118
    Abstract: An SLM includes a modulation unit and a driving circuit. The modulation unit includes a plurality of pixels, and modulates a phase or an intensity of incident light in each pixel according to an amplitude of a drive signal changing periodically with time. The driving circuit provides the drive signal to the modulation unit. The driving circuit performs control such that a phase of the drive signal V1(t) provided to a first pixel group in the plurality of pixels and a phase of the drive signal V2(t) provided to a second pixel group in the plurality of pixels are mutually inverted.
    Type: Grant
    Filed: September 13, 2023
    Date of Patent: October 22, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Hiroto Sakai, Munenori Takumi, Hiroshi Tanaka
  • Patent number: 12116285
    Abstract: A silica that is superior in terms of fluidity, oil absorption ability, and compression moldability to conventional silica used as a pharmaceutical additive, and is suitable as an additive for formulations such as pharmaceuticals. A porous silica particle composition having the following properties: (1) a BET specific surface area from 250 to 1,000 m2/g; (2) an average particle diameter from 1 to 150 ?m; (3) a pore volume from 0.1 to 8.0 cm3/g; and (4) an oil absorption capacity from 2.2 to 5.0 mL/g.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: October 15, 2024
    Assignee: FUJI CHEMICAL INDUSTRIES CO., LTD.
    Inventors: Koji Hoda, Hiroshi Kawaguchi, Teppei Shibata, Tadashi Fukami, Tadashi Yoshigai, Tatsuki Ueno, Yo Nakashima, Tetsuya Oonuki, Hitoshi Sakai
  • Publication number: 20240332629
    Abstract: The present invention provides a method for producing a solid electrolyte sheet with less surface roughness. The method for producing a solid electrolyte sheet according to the present invention comprises a step of applying a solid electrolyte-containing slurry to inside and upper part of a three-dimensional structure to form a second uncured product of the slurry; and a step of drying the second uncured product present inside and on the upper part of the three-dimensional structure to form a second solid electrolyte layer inside and on the upper part of the three-dimensional structure, so as to obtain a solid electrolyte sheet with the second solid electrolyte layer filling inside of the three-dimensional structure.
    Type: Application
    Filed: February 29, 2024
    Publication date: October 3, 2024
    Inventors: Takehiro Fukushima, Hiroshi Sakai, Sanshiro Sakamoto
  • Publication number: 20240323575
    Abstract: A control device including a collection unit that acquires, at a predetermined cycle, cooperation information, which is information indicating a communication state between a communication system that includes a wireless station including an antenna and an allocation device that allocates a wavelength, and a terminal to be communicated, an analysis unit that analyzes the communication state in the communication system on the basis of the cooperation information, and an allocation control unit that controls execution of wavelength allocation by the allocation device on the basis of an analysis result of the analysis unit.
    Type: Application
    Filed: October 4, 2021
    Publication date: September 26, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Karin UMEDA, Kota ASAKA, Hiroko NOMURA, Hiroshi O, Yoshihito SAKAI, Hirotaka UJIKAWA, Kenji MIYAMOTO, Yuka OKAMOTO, Tatsuya SHIMADA
  • Publication number: 20240322409
    Abstract: A battery module including a battery cell stack in which a plurality of battery cells is stacked, a container filled with a liquid and containing the battery cell stack, and a pressurizer for pressurizing the liquid that is filled in the container. The battery cells are solid-state battery cells. The battery cell stack is packaged with a packaging material. The liquid contains an oil and a heat-absorbing material. The heat-absorbing material has an endothermic reaction initiation temperature of 80° C. or greater and 190° C. or less.
    Type: Application
    Filed: February 23, 2024
    Publication date: September 26, 2024
    Inventors: Wataru SHIMIZU, Hiroshi SAKAI, Masataka FURUYAMA, Takafumi NAGAI, Wataru HOSHIKAWA
  • Publication number: 20240304961
    Abstract: A lithium secondary battery of the present invention comprises: a positive electrode comprising a positive electrode current collector and a positive electrode material mixture layer, a negative electrode comprising a negative electrode current collector and a lithium metal foil, and a separator, and further comprises a thermally deformable separator disposed in the vicinity of the positive electrode material mixture layer on the surface of the positive electrode current collector, and an extension portion that extends from the lithium metal foil so as to be in contact with the thermally deformable separator; the thermally deformable separator having a melting point of 80° C. or higher, which is equal to or lower than the melting point of lithium metal; and when a thermally deformable separator 31 thermally deforms, the extension portion comes into contact with the positive electrode current collector, resulting in a short circuit of the positive electrode and the negative electrode.
    Type: Application
    Filed: February 26, 2024
    Publication date: September 12, 2024
    Inventors: Hiroshi SAKAI, Hiroshi OGASA, Wataru SHIMIZU
  • Publication number: 20240287974
    Abstract: A linear motor for a compressor having asymmetric load characteristics in both directions of a stroke, improves the service life of a bearing, and reduces a total length of a system. The linear motor includes a movable element having a magnetic pole frame and a plurality of field element poles, and a plurality of magnetic pole teeth around which windings are wound and that are provided so as to sandwich the movable element, and the movable element and the magnetic pole teeth are relatively displaced. The plurality of field element poles include primary magnets arranged between the plurality of magnetic pole teeth and secondary magnets arranged externally relative to spaces between the plurality of magnetic pole teeth in either direction of the relative displacement. A neck part of the magnetic pole frame connected to a bearing is arranged externally in the other direction of the relative displacement direction.
    Type: Application
    Filed: May 18, 2022
    Publication date: August 29, 2024
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Junnosuke NAKATSUGAWA, Masaki KOYAMA, Hiroshi SAKAI, Kan KOBAYASHI, Yoshinori KAWAI
  • Publication number: 20240279739
    Abstract: This invention provides a method for detecting pancreatic cancer by analyzing a gene whose expression changes in relation to pancreatic cancer and by measuring CA19-9 in a biological sample. It provides a method for assisting detection of pancreatic cancer based on a pancreatic cancer-specific expression level of 56 genes in a 56-gene set A and a measured value of CA19-9 in a subject.
    Type: Application
    Filed: September 5, 2022
    Publication date: August 22, 2024
    Applicant: KUBIX INC.
    Inventors: Shuichi KANEKO, Yoshio SAKAI, Hiroshi TANNO, Takashi SENOURA
  • Publication number: 20240278536
    Abstract: Provided is a bismaleimide composition including: a bismaleimide resin (A) having a structure derived from an aromatic tetracarboxylic acid (a1), a dimer diamine (a2), and a maleic anhydride (a3); and silica particles (B) surface-treated with phenylaminosilane, in which the silica particles (B) have an average particle diameter of 100 nm or less, the silica particles (B) have an maximum aggregation particle size of 20 ?m or less, and a content of the silica particles (B) is 15% by mass or less based on a total solid content of the composition.
    Type: Application
    Filed: June 15, 2021
    Publication date: August 22, 2024
    Inventors: Kitaru SATO, Takaaki SAKAI, Kenji FURUYA, Hideyuki MAEDA, Hiroshi KODAIRA
  • Publication number: 20240261814
    Abstract: A substrate processing method includes a liquid film forming step of forming a liquid film, a liquid film heat retaining step of keeping the liquid film warm, a gas phase layer forming step of forming a gas phase layer which holds the processing liquid on a center portion of the liquid film, an opening forming step of forming an opening in the center portion of the liquid film by excluding the processing liquid held by the gas phase layer, a substrate rotating step of rotating the substrate around a rotation axis, and an opening expanding step of expanding the opening, while a state in which the gas phase layer is formed on an inner circumferential edge of the liquid film is maintained, by moving the irradiation region toward a circumferential edge portion of the substrate while the liquid film heat retaining step and the substrate rotating step are performed.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 8, 2024
    Applicant: SCREEN Holdings Co., Ltd.
    Inventors: Hiroshi ABE, Takashi OTA, Takaaki ISHIZU, Kenji KOBAYASHI, Ryo MURAMOTO, Sei NEGORO, Manabu OKUTANI, Wataru SAKAI
  • Patent number: 12055742
    Abstract: A polarization diffraction element comprising including a film including a liquid crystalline material having photosensitivity, the film having at least one hologram recorded therein, and thereby having a property as a fork-shaped polarization grating having an anisotropic structure in which an optical axis continuously rotates toward a direction of a grating vector.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: August 6, 2024
    Assignees: HAYASHI TELEMPU CORPORATION, NAGAOKA UNIVERSITY OF TECHNOLOGY, UNIVERSITY OF HYOGO
    Inventors: Takeya Sakai, Moritsugu Sakamoto, Hiroshi Ono, Nobuhiro Kawatsuki
  • Patent number: 12042813
    Abstract: A substrate processing method includes a liquid film forming step of forming a liquid film, a liquid film heat retaining step of keeping the liquid film warm, a gas phase layer forming step of forming a gas phase layer which holds the processing liquid on a center portion of the liquid film, an opening forming step of forming an opening in the center portion of the liquid film by excluding the processing liquid held by the gas phase layer, a substrate rotating step of rotating the substrate around a rotation axis, and an opening expanding step of expanding the opening, while a state in which the gas phase layer is formed on an inner circumferential edge of the liquid film is maintained, by moving the irradiation region toward a circumferential edge portion of the substrate while the liquid film heat retaining step and the substrate rotating step are performed.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: July 23, 2024
    Assignee: SCREEN Holdings Co., Ltd.
    Inventors: Hiroshi Abe, Takashi Ota, Takaaki Ishizu, Kenji Kobayashi, Ryo Muramoto, Sei Negoro, Manabu Okutani, Wataru Sakai
  • Publication number: 20240167398
    Abstract: A sound reducing device (30) for an internal combustion engine (1, 101) comprises a chamber forming member (33) defining a sound reducing chamber (32) having a prescribed column length jointly with a belt cover, and the sound reducing chamber communicates with the belt chamber via an opening (31), and the opening opposes a part of a timing belt passed around the cam pulley.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 23, 2024
    Inventors: Yuta URUSHIBARA, Hiroshi SAKAI, Tetsuya HIRAIDE, Tomohiko NOZAKI
  • Patent number: 11987698
    Abstract: The resin composition for plating of the present invention includes: a graft copolymer (A) in which a monomer component (a) including specific amounts of an aromatic vinyl compound (a1), a vinyl cyanide compound (a2), and another vinyl compound (a3) is graft-polymerized on a rubbery polymer; and a polycarbonate resin (P), wherein an amount of resin (P) is 40 to 70% by mass, based on a total mass of the resin composition, a rubber content (X) in copolymer (A) is more than 40% by mass, based on a total mass of copolymer (A), a graft ratio (Y) of copolymer (A) satisfies formula (1): 793e?0.041X?Y?515e?0.041X (1), and a rubber content (Z) in the resin composition is 10 to 18% by mass, based on a total mass of the resin composition.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: May 21, 2024
    Assignee: TECHNO-UMG CO., LTD.
    Inventors: Shinji Yamashita, Hiroshi Sakai, Hideichiro Kawaguchi
  • Patent number: 11933543
    Abstract: A heat sink includes: a container having a cavity inside and a first surface and a second surface opposite the first surface; a working fluid encapsulated in the cavity; and a steam flow path in the cavity where the working fluid in a gas phase flows, the first surface having a flat part and a protruding part projecting from the flat part in an external direction, causing the container to have a flat portion and a protruding portion projecting from the flat portion in the external direction, an inner space of the protruding portion of the container being in communication with an inner space of the flat portion, causing the cavity to be formed, and a first heat radiating fin being provided on an exterior of the flat part of the first surface and a second heat radiating fin being provided on an exterior of the second surface.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: March 19, 2024
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kenya Kawabata, Masahiro Meguro, Ryo Tsubata, Hirofumi Aoki, Yoshikatsu Inagaki, Hiroshi Sakai, Hideaki Kawabata
  • Publication number: 20230264489
    Abstract: A recording device includes a recording head including a nozzle row configured to discharge ink droplets that are to be cured when irradiated with light onto a recording medium, a drive unit configured to cause the recording head and the recording medium to move relative to each other, a plurality of irradiation parts configured to irradiate the recording medium with the light, a reception unit configured to receive an input of irradiation range data indicating an irradiation range of the light, and a control unit configured to control turning ON and OFF of the plurality of irradiation parts, to irradiate the recording medium with the light in accordance with the irradiation range, based on the irradiation range data.
    Type: Application
    Filed: February 21, 2023
    Publication date: August 24, 2023
    Inventors: Hiroshi SAKAI, Kazuya TOSHIMA, Masakazu OKAJIMA
  • Patent number: 11725883
    Abstract: Provided herein is an example heat sink including a heat dissipation unit including a plurality of heat dissipation fin groups including a plurality of heat dissipation fins, the plurality of heat dissipation fin groups forming a laminated structure and a plurality of heat pipes, one end portions of which are thermally connected to a heating element and other end portions of which are inserted into a space provided between the plurality of heat dissipation fin groups forming the laminated structure and thermally connected to the heat dissipation unit.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: August 15, 2023
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Yasuyuki Tochigi, Masahiro Meguro, Hiroshi Sakai, Kenya Kawabata
  • Publication number: 20230236148
    Abstract: To accurately detect the moving state of secondary atomic ions at the time of targeted voltage application and the moving state of secondary atomic ions due to diffusion. An ion movement measuring device includes a test specimen and a detector. The test specimen has a first electrode, a second electrode, and an electrolyte disposed between them. The first electrode and the second electrode each have a layer of an identical element, and have the identical potential in a state where no voltage is applied from outside the test specimen. At least the first electrode contains second atoms being isotopes of first atoms at an abundance ratio higher than a natural abundance ratio of the second atoms, the first atoms being present at a highest natural abundance ratio in the element. The detector detects some of ions of the first atoms and the second atoms, which are discharged from the electrolyte.
    Type: Application
    Filed: January 18, 2023
    Publication date: July 27, 2023
    Inventors: Tatsuya HATTORI, Yuji ISOGAI, Hideki SAKAI, Hiroshi SAKAI, Atsushi SAKURAI
  • Publication number: 20230106794
    Abstract: A heat sink includes: a container having a cavity inside and a first surface and a second surface opposite the first surface; a working fluid encapsulated in the cavity; and a steam flow path in the cavity where the working fluid in a gas phase flows, the first surface having a flat part and a protruding part projecting from the flat part in an external direction, causing the container to have a flat portion and a protruding portion projecting from the flat portion in the external direction, an inner space of the protruding portion of the container being in communication with an inner space of the flat portion, causing the cavity to be formed, and a first heat radiating fin being provided on an exterior of the flat part of the first surface and a second heat radiating fin being provided on an exterior of the second surface.
    Type: Application
    Filed: October 21, 2022
    Publication date: April 6, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kenya Kawabata, Masahiro Meguro, Ryo Tsubata, Hirofumi Aoki, Yoshikatsu Inagaki, Hiroshi Sakai, Hideaki Kawabata