Patents Assigned to Toto Ltd.
  • Patent number: 10566634
    Abstract: A fuel cell array comprises a plurality of serially connected fuel cell units. A respective fuel cell unit comprises a fuel cell and a cap capped on each end of the fuel cell. The fuel cell unit further comprises an electrically conductive terminal layer forming an outermost laminate of the fuel cell at one end of the fuel cell. The terminal layer is directly laminated on a fuel electrode layer and directly laminated on a solid electrolyte layer. The fuel cell unit further comprises a glass material forming a sealing layer circumferentially around the fuel cell to fill between the inner surface of the cap and the outer surface of the fuel cell. The plurality of fuel cell units are electrically connected in series through the electrically conductive terminal layer, not through the cap.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: February 18, 2020
    Assignee: TOTO LTD.
    Inventors: Yuya Takahashi, Hiroshi Shirahama, Masayuki Yamada, Riku Takeshita, Yasuo Kakinuma
  • Patent number: 10563388
    Abstract: According to one embodiment, a toilet device includes a flush toilet, a toilet seat, a sterilizer, a sprayer, and a controller. The flush toilet includes a bowl and a rim. The sterilizer generates sterilizing water. The sprayer sprays a mist of the sterilizing water onto the bowl, the rim, and the toilet seat. The controller controls the sprayer to cause an average wetting amount per unit area at the toilet seat and the amount per unit area at an upper surface of the rim each to be smaller than the amount per unit area at the bowl and smaller than the amount per unit area at an inner wall surface of the rim for one time of performing a mist mode to spray the mist of the sterilizing water onto the bowl, the rim, and the toilet seat.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: February 18, 2020
    Assignee: TOTO LTD.
    Inventors: Yusuke Nogoshi, Satoshi Matsunaka, Ryo Suzuki, Yuki Moriizumi
  • Patent number: 10538904
    Abstract: According to one embodiment, a sanitary washing device includes a main part, a toilet seat, and a radio wave sensor. The main part includes a toilet seat movable part including a metal. The toilet seat is supported by the toilet seat movable part to be rotatable. The radio wave sensor is provided in an interior of the main part and uses a radio wave to detect a user in front of the main part. The radio wave sensor includes a controller that determines a state of the user and outputs a signal relating to a determination result. The toilet seat movable part opens and closes the toilet seat based on the signal. The controller is positioned further rearward than the toilet seat movable part. At least a part of the controller overlaps at least a part of the toilet seat movable part in a frontward/rearward direction.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: January 21, 2020
    Assignee: TOTO LTD.
    Inventors: Masami Tsujita, Shoichi Tsuiki, Yuta Tanogashira, Takeshi Yasugata
  • Patent number: 10532945
    Abstract: An object of the present invention is to provide a matted object capable of achieving both a lower range of glossiness and an antifouling property. A matted object includes a substrate, and a glassy layer provided on the surface of the substrate. The surface of the glassy layer has a 60°-glossiness of 20 or less, a skewness Rsk of ?0.5 or more, and a maximum height roughness Rz more than 2.5 ?m and less than 5.7 ?m, the skewness Rsk and the maximum height roughness Rz being specified in JIS B0601 (2001).
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: January 14, 2020
    Assignee: TOTO LTD.
    Inventors: Satoshi Shimizu, Yukika Yamazawa
  • Patent number: 10526775
    Abstract: A toilet according to an embodiment includes a toilet body and a water drainage socket. The toilet body has a water drainage outlet on a back surface thereof. The water drainage socket connects the water drainage outlet and an inlet of a water drainage pipe that is provided on a wall surface. The back surface of the toilet body is provided with an opening and a guide part. The opening is provided to insert therethrough a tubular member that extends from the wall surface in a case where the toilet body is mounted on the wall surface. The guide part guides the tubular member that is provided in a state where it is inserted through the opening so as to move to an outer side of the water drainage socket in a case where the toilet body is mounted on the wall surface.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: January 7, 2020
    Assignee: TOTO LTD.
    Inventors: Kenichi Nakamura, Hiroshi Hashimoto, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi, Shinichi Urata, Isami Sakaba, Haruka Saito, Takumi Tsuchitani
  • Patent number: 10519640
    Abstract: A discharge valve operating device includes a first linking member and a second linking member, a rotary winding device, and an operation unit configured to rotationally operate the rotary winding device, wherein when the operation unit rotationally operates in a first direction, the operation unit is configured to perform toilet flushing in a full-flushing mode by pulling up the discharge valve by a first length by the rotary winding device winding the first linking member by the first length in the first direction, and when the operation unit rotationally operates in a second direction opposite to the first direction, the operation unit is configured to perform toilet flushing in a partial-flushing mode by pulling up the discharge valve by a second length by the rotary winding device winding the second linking member in the second direction by the second length which is the same as the first length.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: December 31, 2019
    Assignee: TOTO LTD.
    Inventors: Hideki Tanimoto, Tomoyoshi Taketani, Takashi Matsusaki
  • Patent number: 10499773
    Abstract: A bacteria removing water discharge device used for a water supply facility is provided. The device includes: a bacteria removing water generating part denaturing tap water to generate bacteria removing water; a bacteria removing water discharge part, the part including a water storage part storing the bacteria removing water temporally, a water discharge port discharging the bacteria removing water stored in the water storage part onto a water receiving part of the water supply facility; and a controller, the controller executing a bacteria removing mode discharging the bacteria removing water from the bacteria removing water discharge part to the water receiving part, and a residual water drain mode draining at least a portion of the bacteria removing water remained in the water storage part after executing the bacteria removing mode.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: December 10, 2019
    Assignee: TOTO LTD.
    Inventors: Masahiro Kuroishi, Takamasa Suzuki, Yusuke Nogoshi, Kenta Suzuki, Muneyuki Urata, Koki Nagano, Yukiko Yano, Yusuke Nakamura
  • Patent number: 10501922
    Abstract: A sanitary washing device including: a nozzle discharging water toward a human body private part; a water guide part including a pipe line reaching from a water supply source to the nozzle, and guiding water supplied from the water supply source to the nozzle; a vacuum breaker provided on a path of the water guide part, and taking air into the pipe line when water does not flow in the water guide part; and an ultraviolet irradiation part provided between the vacuum breaker and the nozzle on the path of the water guide part, and including a flow channel flowing water and a light emitting part irradiating ultraviolet rays to the water flowing in the flow channel is provided.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: December 10, 2019
    Assignee: TOTO LTD.
    Inventors: Toshinari Yaoka, Yoichi Murase, Hiroaki Amemori
  • Patent number: 10505212
    Abstract: A solid oxide fuel cell apparatus 1 has: multiple fuel cell units 16; a module case 8 housing multiple fuel cell units; a heat insulating material 7 disposed to cover the area around the module case 8; a reformer 20 for reforming raw fuel gas using steam, thereby producing fuel gas; a combustion chamber 18 for combusting residual fuel gas and heating the reformer 20; a heat exchanger 23 for exchanging heat between oxidant gas and exhaust gas; and a steam generator 25, disposed within the heat insulating material 7 and on the outside of the module case 8, for exchanging heat between exhaust gas and water immediately after heat is exchanged in the heat exchanger 23, thereby producing steam.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: December 10, 2019
    Assignee: TOTO LTD.
    Inventors: Yousuke Akagi, Fumio Tsuboi, Takeshi Saito, Takuya Matsuo
  • Patent number: 10497600
    Abstract: According to the embodiment, the first invention relates to an electrostatic chuck. The electrostatic chuck includes a ceramic dielectric substrate having a first major surface placing a suction object and a second major surface on an opposite side to the first major surface, a base plate supporting the ceramic dielectric substrate and including a gas introduction path, and a first porous part provided at a position between the base plate and the first major surface and being opposite to the gas introduction path. The first porous part includes sparse portions including pores and a dense portion having a density higher than a density of the sparse portions. Each of the sparse portions extends from the base plate toward the ceramic dielectric substrate. The dense portion is positioned between the sparse portions. The sparse portions include a wall portion provided between the pores and the pores.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: December 3, 2019
    Assignee: Toto Ltd.
    Inventors: Kosuke Yamaguchi, Jun Shiraishi, Ikuo Itakura, Yutaka Momiyama, Shuichiro Saigan
  • Patent number: 10487489
    Abstract: A flush toilet bowl includes a bowl part, a rim nozzle, and a rim water spout part. The bowl part has a rim part on an upper edge of a receiving surface with a bowl shape. The rim nozzle is provided on a rear part of the bowl part and spouts flush water. The rim water spout part is provided on the rim part and spouts flush water that is spouted from the rim nozzle toward the receiving surface. The rim water spout part includes a rim water guide channel that is formed inside the rim part in such a manner that a cross-sectional area of a lower half part of the rim water guide channel is less than a cross-sectional area of an upper half part and a rim water spout port that is formed to be continuous with the rim water guide channel and in a front side region of the bowl part.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: November 26, 2019
    Assignee: TOTO LTD.
    Inventors: Shu Kashirajima, Masaaki Momoe, Yuuki Shinohara
  • Patent number: 10480167
    Abstract: A float-position adjusting member is circumferentially rotatable around an axis thereof so that a relative position between an arm and a float is adjustable. A small-tank-position adjusting member is also circumferentially rotatable around an axis thereof so that a vertical position to which a small tank is supported is adjustable. These adjusting members are coaxially arranged. When the float-position adjusting member is rotated in one direction, a first contact part of the float-position adjusting member comes in contact with a first contact part of the small-tank-position adjusting member for their corotation. When the small-tank-position adjusting member is rotated in the other direction, second contact parts of the adjusting members come in contact with each other for their corotation. There is no corotation between the contact state of the first contact parts and the contact state of the second contact parts, whose rotational angle is 10 degrees or more.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: November 19, 2019
    Assignee: TOTO LTD.
    Inventors: Hideki Tanimoto, Kenji Hatama
  • Patent number: 10478027
    Abstract: According to one embodiment, a toilet seat device includes a toilet seat, and a Doppler sensor using radio waves. An opened state of the toilet seat is sensed when approach of a user to the toilet seat is sensed based on a sensing signal outputted by the Doppler sensor. It is regarded that use is in progress for urination by the user when the toilet seat is in the opened state. In a state of being regarded that use is in progress for urination, a post-use operation is performed after sensing leaving of the user from the toilet seat based on the sensing signal.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: November 19, 2019
    Assignee: TOTO LTD.
    Inventors: Masami Tsujita, Shoichi Tsuiki, Yuta Tanogashira
  • Patent number: 10465367
    Abstract: According to one embodiment, a sanitary washing device includes base and case plates, a case cover, a pivotally supporting unit, and a back cover. The base plate is fixed to a rear part of a toilet bowl. The case plate mounts a washing function part washing a private part of a human body. The case cover covers the washing function part and is fixed onto the case plate. The pivotally supporting unit includes first and second pivotally supporting parts and is fixed to the base plate. The back cover is provided backward the pivotally supporting unit. Front and rear parts of the base plate are fixed to the toilet bowl via first and second position adjusting unit. The case plate is fixed to the base plate via a third position adjusting unit. A fourth position adjusting unit is provided between the pivotally supporting unit and the back cover.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: November 5, 2019
    Assignee: TOTO LTD.
    Inventors: Takuya Ogawa, Yuta Shinden, Sho Kiyama, Nozomu Okada, Sachiko Niwano
  • Patent number: 10465364
    Abstract: A water discharge apparatus WD executes a water film formation step of ejecting running water and forming a water-splash suppression water film of the running water on a surface of a sterilization object, before executing a sterilization step of discharging sterilization water from a sterilization water ejection unit 20 toward the sterilization object.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: November 5, 2019
    Assignee: TOTO LTD.
    Inventors: Yusuke Nogoshi, Masahiro Kuroishi, Takamasa Suzuki, Kenta Suzuki, Yusuke Nakamura, Koki Nagano
  • Patent number: 10465369
    Abstract: A flush toilet includes a bowl including a rim formed on the top edge of a bowl-shaped waste receiving surface; and a rim spout portion disposed on the rim for forming a circulating flow by spouting flush water into the bowl. The bowl further includes a shelf between the top edge of the waste receiving surface and the bottom end of the rim, and a connecting surface for connecting the outside edge of this shelf and the bottom end of the rim with a curved surface. The connecting surface is arranged so that the curvature radius of its curved surface in the vertical direction is essentially constant from the bowl front portion across both the left and right sides, and so that its position rises toward the left and right sides from the front portion of the bowl.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: November 5, 2019
    Assignee: TOTO LTD.
    Inventors: Shu Kashirajima, Masaaki Momoe, Yuuki Shinohara
  • Patent number: 10461602
    Abstract: A flush water tank apparatus capable of stable operational control of a discharge valve apparatus, and stable flush water supply to a toilet for long term. The flush water tank apparatus of the present invention includes a power drive unit comprising a motor and an output shaft, being a power drive unit capable of electrically operating a drain valve on a drain valve mechanism; and a housing portion formed so as to surround the perimeter of the outlet on a drive unit internal air passage extending from the motor in the interior of the flush water tank; wherein an air passage communicating from the motor of the power drive unit through the housing portion to the exterior of the flush water tank is formed.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: October 29, 2019
    Assignee: TOTO LTD.
    Inventors: Tomoyoshi Taketani, Hideki Tanimoto, Takashi Matsusaki
  • Patent number: D866720
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: November 12, 2019
    Assignee: TOTO, Ltd.
    Inventors: Osamu Miura, Yuji Yoshioka
  • Patent number: D868220
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: November 26, 2019
    Assignee: TOTO, Ltd.
    Inventors: Osamu Miura, Yuji Yoshioka
  • Patent number: D868221
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: November 26, 2019
    Assignee: TOTO, Ltd.
    Inventors: Osamu Miura, Yuji Yoshioka