Patents by Inventor Yuta Sakai

Yuta 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: 12158366
    Abstract: This liquid surface detection device comprises: a liquid retention part in which hydrogen peroxide water is retained, the hydrogen peroxide water to be atomized by a vibrating plate in which a through-hole is provided; a float positioned inside the liquid retention part; and a sensor that detects, via the float, the arrival of the liquid surface of the hydrogen peroxide water retained in the liquid retention device at a prescribed position.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: December 3, 2024
    Assignee: PHC HOLDINGS CORPORATION
    Inventors: Yuta Sakai, Masaki Yoshida, Kousuke Honda, Akito Sawai, Megumi Onda
  • Publication number: 20240326341
    Abstract: A three-dimensional shaping device includes: a dispensing unit including a plasticizing unit that includes a first heater and plasticizes a material to generate a plasticizing material, and a nozzle that dispenses the plasticizing material; a stage on which the plasticizing material is stacked; a heating unit including a second heater that heats the plasticizing material stacked on the stage; a drive unit configured to change a relative position between the nozzle and the heating unit; and a control unit configured to control the drive unit. A tip end of the nozzle is positioned below the heating unit during shaping of a three-dimensional shaped object, and the control unit controls the drive unit to set a distance between the tip end of the nozzle and the heating unit based on at least one of a temperature of the dispensing unit, a temperature of the heating unit, and a distance between the stage and the tip end of the nozzle.
    Type: Application
    Filed: March 26, 2024
    Publication date: October 3, 2024
    Inventors: Takafumi SAMESHIMA, Yuta SAKAI, Taki HASHIMOTO
  • Patent number: 12019061
    Abstract: A toilet seat apparatus according to an embodiment includes: a toilet seat on which a user sits; a light emitting unit including a light emitting element that emits light; a light receiving unit including a light receiving element that receives light; and a control unit that controls energization of the light emitting element and application of voltage to the light receiving element, in which the control unit performs light reception control including transmitting a control instruction to open an electronic shutter to the light receiving element and energizing the light emitting element so as to permit reception of the reflected light from feces, and performs control of setting an interval from a start of execution of one light reception control to execution of light reception control subsequent to the one light reception control, to 0.2 milliseconds or more.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: June 25, 2024
    Assignee: TOTO LTD.
    Inventors: Masayuki Nagaishi, Yuta Sakai, Satoko Kizuka, Ryo Oi, Takeshi Takaki, Naoya Takeuchi, Hitoaki Higuchi, Masamichi Tosaki
  • Publication number: 20240197124
    Abstract: A toilet seat device according to an embodiment is a toilet seat device configured to be attached to an upper part of a closet bowl on which a bowl part for receiving excrement is formed, and includes: a toilet seat upper plate constituting a seating surface on which a user sits; a toilet seat bottom plate joined with the toilet seat upper plate to be opposed to an upper part of the closet bowl; a heating device disposed between the toilet seat upper plate and the toilet seat bottom plate to heat the toilet seat upper plate; and a detection device disposed on the toilet seat to optically detect the excrement. The detection device is arranged in a non-contact manner with respect to the heating device.
    Type: Application
    Filed: February 29, 2024
    Publication date: June 20, 2024
    Inventors: Takeshi Takaki, Satoko Kizuka, Yuta Sakai, Hirotomo Suyama, Hitoaki Higuchi, Naoya Takeuchi, Haruna Kawasaki, Ryo Oi, Yusuke Motoda, Yo Morotomi
  • Patent number: 11992988
    Abstract: An injection molding apparatus includes a support that supports a molding die including an upper die and a lower die, and an injection unit that injects a molding material toward a cavity defined by the upper die and the lower die. In the state in which the molding die is supported by the support, the injection unit, the upper die, and the lower die are arranged sequentially from above in the vertical direction. The injection unit includes a rotating flat screw having a groove forming surface in which a groove is formed, a barrel having a flat screw facing surface facing the groove forming surface and having a communication hole into which the molding material flows, and a heater that heats a material supplied to the space between the groove forming surface and the flat screw facing surface, plasticizes at least part of the material through the rotation of the flat screw and the heat produced by the heater to produce the molding material, and delivers the molding material to the communication hole.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: May 28, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hidenobu Maruyama, Kazuyuki Harayama, Yuta Sakai
  • Publication number: 20240141276
    Abstract: A light emitting diode (LED) module includes: an LED that emits an ultraviolet ray; a metallic cylindrical body in which the LED is accommodated; and a metallic coupling for fixing the metallic cylindrical body to a culture apparatus by being engaged with an engaged portion fixed to the culture apparatus, in which the metallic cylindrical body and the metallic coupling dissipate heat generated by the LED to the engaged portion.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Hiroki HIRAI, Nobuo HORIMOTO, Kenichi HORIUCHI, Kousuke HONDA, Taiki OSHIMOTO, Yuta SAKAI, Kaori YOSHIDA
  • Publication number: 20240141277
    Abstract: A culture apparatus includes a box and a light emitting diode (LED) module detachably attached to the box and configured to emit an ultraviolet ray inside the box.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Hiroki HIRAI, Nobuo HORIMOTO, Kenichi HORIUCHI, Kousuke HONDA, Taiki OSHIMOTO, Yuta SAKAI, Kaori YOSHIDA
  • Publication number: 20240141267
    Abstract: A light emitting diode (LED) module includes: an LED that emits an ultraviolet ray; an information holding apparatus; and a module-side connector electrically connected to the LED and the information holding apparatus.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Kenichi HORIUCHI, Kousuke HONDA, Nobuo HORIMOTO, Hiroki HIRAI, Taiki OSHIMOTO, Yuta SAKAI, Kaori YOSHIDA
  • Publication number: 20240087114
    Abstract: An information processing system according to an embodiment is an information processing system that has a detection unit that has a sensor that is mounted on a toilet where a bowl part that receives excrement is formed where a plurality of elements are linearly arranged to detect dropping feces, a feces image acquisition unit that acquires a feces image that is based on information that is acquired in time series by the detection unit, and a determination unit that determines an amount of feces from the feces image, wherein the determination unit determines an amount of feces based on a length of feces in a dropping direction thereof on the feces image and a property of feces.
    Type: Application
    Filed: March 9, 2022
    Publication date: March 14, 2024
    Inventors: Takeshi Takaki, Masamichi Tosaki, Satoko Kizuka, Yuta Sakai, Shota Fujino, Hitoaki Higuchi
  • Publication number: 20240052584
    Abstract: Provided is a block compactor equipped with a brake mechanism capable of securely locking rollers with a simple structure and stably maintaining a locked state and an unlocked state even when exposed to vibration. A brake pad 12 is fixed to a lower end portion of a brake shaft 11 and is configured to be rotatable together with the brake shaft 11 between two rollers 5 adjacent in the front and rear. By rotating a brake lever 13, the brake pad 12 can be switched between an unlocked state in which the brake pad 12 does not contact with the outer circumferential surfaces of the rollers 5, and the rollers 5 are free to rotate, and a locked state in which the brake pad 12 contacts with the outer circumferential surfaces of the rollers 5, and the rollers 5 cannot rotate with the friction force.
    Type: Application
    Filed: February 6, 2023
    Publication date: February 15, 2024
    Inventors: Kenichi NAGASAWA, Masaya SEKIGUCHI, Yuichi NAKAGOMI, Yuta SAKAI
  • Publication number: 20240033999
    Abstract: A plasticizing device plasticizes a material to generate a plasticized material. The plasticizing device includes a screw having a groove forming surface on which a groove is formed, a barrel having a facing surface that faces the groove forming surface and formed with a communication hole through which the plasticized material flows outside, a first heating unit disposed in the barrel and configured to heat the material supplied to the groove, and a first detection unit that is disposed in the barrel and configured to detect a temperature of the groove. The barrel is formed with a first hole for accommodating the first heating unit and a second hole for accommodating the first detection unit. A direction in which the first hole extends coincides with a direction in which the second hole extends. The first heating unit and the first detection unit are coupled to each other via a fixing member.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 1, 2024
    Inventors: Yuta SAKAI, Kazuhide NAKAMURA, Masayuki GOZU, Masaaki OGIHARA
  • Patent number: 11802830
    Abstract: A toilet seat apparatus according to an embodiment is a toilet seat apparatus to be placed on an upper part of a toilet bowl having a bowl unit that receives excrement, the toilet seat apparatus including: a toilet seat on which a user sits; a light emitting unit including one or more light emitting elements that emit light in a front direction; a light receiving unit including a light receiving element that receives light; and a housing in which the light emitting unit and the light receiving unit are arranged, in which the one or more light emitting elements are arranged in parallel with the light receiving unit or in front of the light receiving unit in a side view or a top view of the housing.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: October 31, 2023
    Assignee: TOTO LTD.
    Inventors: Ryo Oi, Takeshi Takaki, Naoya Takeuchi, Hitoaki Higuchi, Masamichi Tosaki, Masayuki Nagaishi, Yuta Sakai, Satoko Kizuka
  • Publication number: 20230009654
    Abstract: An excrement management system according to an embodiment includes: a closet bowl in which a bowl part for receiving excrement is formed; a light emitting unit configured to emit light toward an inner part of the closet bowl; a light receiving unit comprising an image sensor configured to receive light; a cloud server and an edge server configured to analyze light reception data received by the light receiving unit; a first communication device configured to transmit the light reception data to the cloud server; and a second communication device configured to transmit the light reception data to the edge server. The cloud server analyzes the light reception data to determine a characteristic of excrement, and the edge server analyzes the light reception data to determine whether to transmit the light reception data to the cloud server by the first communication device.
    Type: Application
    Filed: August 31, 2020
    Publication date: January 12, 2023
    Inventors: Takeshi Takaki, Satoko Kizuka, Yuta Sakai, Hirotomo Suyama, Hitoaki Higuchi, Haruna Matsui, Tetsuhiro Wasada, Ryo Oi
  • Publication number: 20220371248
    Abstract: An injection molding apparatus includes a support that supports a molding die including an upper die and a lower die, and an injection unit that injects a molding material toward a cavity defined by the upper die and the lower die. In the state in which the molding die is supported by the support, the injection unit, the upper die, and the lower die are arranged sequentially from above in the vertical direction. The injection unit includes a rotating flat screw having a groove forming surface in which a groove is formed, a barrel having a flat screw facing surface facing the groove forming surface and having a communication hole into which the molding material flows, and a heater that heats a material supplied to the space between the groove forming surface and the flat screw facing surface, plasticizes at least part of the material through the rotation of the flat screw and the heat produced by the heater to produce the molding material, and delivers the molding material to the communication hole.
    Type: Application
    Filed: May 23, 2022
    Publication date: November 24, 2022
    Inventors: Hidenobu MARUYAMA, Kazuyuki HARAYAMA, Yuta SAKAI
  • Publication number: 20220357269
    Abstract: A toilet seat apparatus according to an embodiment is a toilet seat apparatus to be placed on an upper part of a toilet bowl having a bowl unit that receives excrement, the toilet seat apparatus including: a toilet seat on which a user sits; a light emitting unit including one or more light emitting elements that emit light in a front direction; a light receiving unit including a light receiving element that receives light; and a housing in which the light emitting unit and the light receiving unit are arranged, in which the one or more light emitting elements are arranged in parallel with the light receiving unit or in front of the light receiving unit in a side view or a top view of the housing.
    Type: Application
    Filed: August 28, 2020
    Publication date: November 10, 2022
    Inventors: Ryo Oi, Takeshi Takaki, Naoya Takeuchi, Hitoaki Higuchi, Masamichi Tosaki, Masayuki Nagaishi, Yuta Sakai, Satoko Kizuka
  • Patent number: 11478114
    Abstract: A toilet seat apparatus according to an embodiment is a toilet seat apparatus to be placed on an upper part of a toilet bowl, the toilet seat apparatus including: a toilet seat on which a user sits; a light emitting unit that emits light; and a light receiving unit that receives light; first memory that stores data received by the light receiving unit; and an arithmetic processing device that executes transfer of data received by the light receiving unit to the first memory, and analysis and deletion of data stored in the first memory, in which the arithmetic processing device transfers the data received by the light receiving unit to the first memory, and deletes the data temporarily stored in the first memory when the data has been analyzed to be data that is not data based on the reflected light from falling feces.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: October 25, 2022
    Assignee: TOTO LTD.
    Inventors: Yuta Sakai, Satoko Kizuka, Ryo Oi, Takeshi Takaki, Naoya Takeuchi, Hitoaki Higuchi, Masamichi Tosaki, Masayuki Nagaishi
  • Patent number: 11426342
    Abstract: The present invention relates to a hair cosmetic containing the following components (A) to (C): (A) a compound represented by the following general formula (1) or a salt thereof: wherein a broken line represents the presence or absence of a ? bond; R1 represents a hydroxy group or an acetoxy group; R2 represents a hydrogen atom or —COOR (R is a hydrogen atom, a methyl group, or an ethyl group); and R3 represents a hydrogen atom, an acetyl group, a methyl group, or an ethyl group; (B) a cationic polymer; and (C) an ampholytic polymer having a predetermined cationic structural unit and an anionic structural unit, a mass ratio of the component (C) to the component (A) [(C)/(A)] being 0.7 or more and 10 or less.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: August 30, 2022
    Assignee: KAO CORPORATION
    Inventors: Yuta Sakai, Hiroshi Yoshida, Hiroki Fujinaga
  • Publication number: 20220252445
    Abstract: This liquid surface detection device comprises: a liquid retention part in which hydrogen peroxide water is retained, the hydrogen peroxide water to be atomized by a vibrating plate in which a through-hole is provided; a float positioned inside the liquid retention part; and a sensor that detects, via the float, the arrival of the liquid surface of the hydrogen peroxide water retained in the liquid retention device at a prescribed position.
    Type: Application
    Filed: April 19, 2022
    Publication date: August 11, 2022
    Inventors: Yuta SAKAI, Masaki YOSHIDA, Kousuke HONDA, Akito SAWAI, Megumi ONDA
  • Publication number: 20220243166
    Abstract: An atomization device according to the present invention is provided with: a main body part which has a container space that contains a hydrogen peroxide solution; and a diaphragm which is provided with through holes where the hydrogen peroxide solution contained in the container space passes, and which atomizes the hydrogen peroxide solution passing through the through holes.
    Type: Application
    Filed: April 19, 2022
    Publication date: August 4, 2022
    Inventors: Yuta SAKAI, Hironobu SEKINE, Hikaru AOKI, Hiroki HIRAI
  • Patent number: 11383760
    Abstract: A steering system includes: a steering member; a steering operation mechanism; a reaction force motor; a steering motor; a steering torque sensor; a command value setting circuit; a reaction force command value calculation circuit configured to calculate a reaction force command value; a steering operation command value calculation circuit configured to calculate a steering operation command value based on a steering operation steering angle command value and a manual steering angle command value; a reaction force control circuit configured to cause a rotation angle of the reaction force motor to follow the reaction force command value; and a steered angle control circuit configured to cause a rotation angle of the steering motor to follow the steering operation command value.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: July 12, 2022
    Assignee: JTEKT CORPORATION
    Inventors: Tomohiro Nakade, Yuta Sakai, Robert Fuchs, Naoki Shoji