Patents Assigned to LIXIL Corporation
  • Patent number: 10563067
    Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive func
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: February 18, 2020
    Assignees: Lixil Corporation, Nippon Paint Automotive Coatings Co., Ltd.
    Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
  • Publication number: 20200048888
    Abstract: A flush toilet includes a toilet bowl part structured to have a bowl-like waste receiving surface, a rim part structured to form an upper end side portion of the toilet bowl part, and a water discharge part structured to discharge flush water into the toilet bowl part to form a swirling flow, wherein one surface part out of a front surface part and a rear surface part of the toilet bowl part is provided with one end part of a front-rear direction of the toilet bowl part, and the flush toilet further comprises an upper guide part structured to be provided on a flush water path from the water discharge part to the one end part and guide at least a part of the flush water upward.
    Type: Application
    Filed: August 13, 2019
    Publication date: February 13, 2020
    Applicant: LIXIL Corporation
    Inventors: Takamasa INA, Takuma SATO, Naoto YONEDU, Maiko NAKAGAWA, Hidekazu MIYAKE
  • Patent number: 10550274
    Abstract: The purpose of the present invention is to provide an antibacterial/antiviral coating agent capable of forming an antibacterial/antiviral coating film that can maintain an excellent appearance. This antibacterial/antiviral coating agent includes acrylic melamine paint, a quaternary ammonium salt, polyvalent carboxylic acid, and phosphoric acid; the quaternary ammonium salt is included at over 3.0 parts by weight and under 5.0 parts by weight to 100 parts by weight of acrylic melamine paint solids, and the phosphoric acid is included at a mole ratio of 0.5-3.5 to the quaternary ammonium salt.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: February 4, 2020
    Assignee: Lixil Corporation
    Inventors: Yoichi Watanabe, Hiroshi Kakehi, Yuki Shuto
  • Publication number: 20200029758
    Abstract: Provided is a toilet system that can provide more detailed information about a use state of a toilet. The toilet system includes: a detection unit (a door lock sensor, a seating sensor, a rotation sensor, a toilet washing switch, etc.) which detects a situation inside a toilet stall; and a control unit which determines, based on a detection result of the detection unit, that the toilet stall is in a vacant state or in an used state, and further makes at least one of a determination that the toilet stall in the used state is in a state immediately after a start of use and a determination that the toilet stall in the used state is in a state immediately before an end of use, and outputs a signal including determination results.
    Type: Application
    Filed: January 17, 2018
    Publication date: January 30, 2020
    Applicant: LIXIL Corporation
    Inventors: Hideki KATSURAYAMA, Nobuyuki MATSUDA, Haruka UE, Taku OKAWA, Yohei YUKITAKE, Yoshitaka KOUNO
  • Publication number: 20200008627
    Abstract: With regard to a first rectangle with a minimum area whose four sides circumscribe the shower hole forming surface, the respective dimensions of a first longitudinal side and a first lateral side that are adjacent to each other are denoted as a and b, respectively; and with regard to a second rectangle whose four sides circumscribe the group of points at which the respective central axis lines of the plurality of shower holes pass through the virtual plane and that has a second longitudinal side and a second lateral side, the respective dimensions of the second longitudinal side and the second lateral side are denoted as c and d, respectively, the water spray part is formed such that the following conditions (1) to (3) are satisfied.
    Type: Application
    Filed: December 9, 2017
    Publication date: January 9, 2020
    Applicant: LIXIL Corporation
    Inventor: Shingo MORI
  • Publication number: 20200011041
    Abstract: A flush toilet is provided with a toilet main unit and a functional unit. The toilet main unit has a toilet bowl and an upper surface portion on which a recessed portion is formed. The functional unit is provided on the rear side of the toilet bowl and offers a function different from a function for washing the toilet bowl. The functional unit is able to move between an entering position where at least a portion of the functional unit is located inside the recessed portion and a retreating position where the entire functional unit is located outside the recessed portion.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Applicant: LIXIL Corporation
    Inventors: Akiya SAEKI, Hiroaki WATANABE, Tomoya SASAKI, Ryuichi YOKOI
  • Publication number: 20200002928
    Abstract: To provide a toilet bowl device allowing bubbles to be discharged with ease even in a case where a bowl is supplied with the bubbles. In a toilet bowl device, a control unit executes a pre-jet washing step for bubbles of supplying wash water to a bowl via a jet discharge port and a pre-rim washing step for bubbles of supplying wash water to the bowl via a rim discharge port after the pre-jet washing step for bubbles is initiated in a case where bubbles are present on a stored water surface.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 2, 2020
    Applicant: LIXIL Corporation
    Inventors: Yu KUROKI, Takumi DOMAE, Tomohisa ASHIDA, Sho ITO, Kouji FUKUYA, Reo SEIKE, Takaomi ASAI
  • Publication number: 20190389780
    Abstract: Sanitary ware, including a ceramic base material, an upper glaze layer positioned on a surface of the ceramic base material, and an intermediate layer positioned between the ceramic base material and the upper glaze layer, wherein the sanitary ware satisfies at least one of the following conditions: a pore area ratio of 3% or less in terms of a ratio of an area of pores present in a cut surface obtained by cutting the upper glaze layer along the thickness direction thereof, relative to an area of the cut surface, an average pore size of 50 ?m or less as measured with respect to the cut surface obtained by cutting the upper glaze layer along the thickness direction thereof, and a difference of 50 ?m or less between the maximum and minimum values of the thickness of the upper glaze layer.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 26, 2019
    Applicant: LIXIL Corporation
    Inventors: Toshinori MORI, Kazuo TAKEUCHI, Shunzou IWASAKI, Isao YOSHINAGA, Hiroyuki MIYAMOTO, Tadashi ASHIZAWA, Hideaki SAWADA, Jaehoon CHOI, Shuji KAWAI
  • Publication number: 20190390449
    Abstract: The washbowl includes a bowl recessed downward, and comprising a ceramics base material, an intermediate layer disposed on a surface side of the ceramics base, and an upper glaze layer disposed on a surface side of the intermediate layer, the upper glaze layer being more transparent than the intermediate layer; and a drainage port. The bowl includes an inclined surface formed on a surface of the bowl and continuously recessed downward, the inclined surface formed at a position at least on a front side of the surface of the bowl when a user uses the bowl, the position being configured to be seen by the user, and the inclined surface is formed such that a tangent to the inclined surface is formed at 5 degrees to 75 degrees with respect to a horizontal plane.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 26, 2019
    Applicant: LIXIL Corporation
    Inventors: Hiroshi KOBAYASHI, Toshinori MORI, Kazuo TAKEUCHI, Shunzou IWASAKI, Isao YOSHINAGA, Hiroyuki MIYAMOTO, Tadashi ASHIZAWA, Hideaki SAWADA, Jaehoon CHOI, Shuji KAWAI
  • Publication number: 20190345707
    Abstract: Provided is a flush toilet capable of suppressing a decrease in water force of flush water and effectively exhibiting the excrement discharge performance. The flush toilet includes: a toilet bowl having a bowl surface part and a recessed part formed below the bowl surface part and continued to a drain pipe; and a water discharge port for discharging flush water into the toilet bowl. The flush water forms at least two water streams and flows into the recessed part.
    Type: Application
    Filed: November 6, 2017
    Publication date: November 14, 2019
    Applicant: LIXIL Corporation
    Inventors: Yu KUROKI, Yoshiro HONJO
  • Publication number: 20190345708
    Abstract: There is provided a flush toilet which can prevent scattering of flush water to the outside of a toilet bowl. The flush toilet includes: a toilet bowl having an erected surface part formed extending in a vertical direction at an upper end part of the toilet bowl and a bowl surface part formed below the lower end of the erected surface part to an inner circumferential side, and a water discharge port opened in the erected surface part and intended to discharge flush water into the toilet bowl. The flush water flows so as to form at least two water streams: a main stream flowing in a peripheral edge of the toilet bowl along the erected surface part and a branch stream branching from the main stream and running down to the bowl surface part side.
    Type: Application
    Filed: November 6, 2017
    Publication date: November 14, 2019
    Applicant: LIXIL Corporation
    Inventor: Yu KUROKI
  • Patent number: 10463208
    Abstract: A toilet seat/toilet lid device includes a toilet seat and a toilet lid that are provided to be pivotable with respect to a toilet between an erected state and a laid state; a toilet seat drive device that is configured to cause the toilet seat to pivot; a toilet seat pivot shaft that extends from the toilet seat drive device to one side of the toilet in a width direction, pivotably supports the toilet seat and supports the toilet lid; a toilet lid drive device that is configured to cause the toilet lid to pivot; and a toilet lid pivot shaft that extends from the toilet lid drive device to the other side of the toilet in the width direction, pivotably supports the toilet lid, and supports the toilet seat.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: November 5, 2019
    Assignee: LIXIL Corporation
    Inventors: Yudai Morikawa, Isato Hirasawa
  • Publication number: 20190330832
    Abstract: The purpose of the present invention is to provide a deodorizer in which spray, etc. can be prevented or inhibited from entering the interior. A private part washing device 3 functioning as a deodorizer device, provided with: a case 7 provided to the rear part of a toilet bowl 4 provided to a main toilet body 2, the case having an opening part 9 opening onto the toilet bowl 4; an air duct 24 having a blowout port 28 from which airflow is blown out, the blowout port 28 opening from the opening part 9 to the outside of the case 7; and a shutter 10 for opening/closing the opening part 9, the shutter 10 forming an air outlet 38 between the shutter 10 and the case 7 when the opening part 9 is closed. When the opening part 9 is closed by the shutter 10, airflow is guided in a first direction from the air outlet 38 into the toilet bowl 4, and when the opening part 9 is opened by the shutter 10, airflow is guided in a direction different from the first direction.
    Type: Application
    Filed: November 7, 2017
    Publication date: October 31, 2019
    Applicant: LIXIL Corporation
    Inventors: TingJian GONG, Toshihiko KOMATSU, Masashi KONNO, Motoki KAGAWA, Masato WAKABAYASHI, Tomoya SASAKI, YinTao LIU, Atsushi WAKAMATSU
  • Publication number: 20190330830
    Abstract: A toilet bowl device includes a toilet bowl main body, a toilet bowl washing tank disposed on an upper surface of the toilet bowl main body, and a tank cover covering the toilet bowl washing tank. A tank volume of the toilet bowl washing tank is 3 L or more. A relationship of Db?Da/5 is satisfied when a horizontal distance from a foremost end of the tank cover to a rearmost end of the tank cover is Da and a horizontal distance from a foremost end of the tank cover to the rearmost end of the tank cover is Db.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 31, 2019
    Applicant: LIXIL Corporation
    Inventors: Ken HIGUCHI, Masafumi FUKAGAWA, Shuhei HAMADA, Kazuhiko HARITAKE, Kazuya YASHIMA, Yuki NISHIO, Gousuke SAKAKIBARA, Junpei YAMAGUCHI
  • Publication number: 20190330477
    Abstract: It is an object of the present invention to fix a silane-based coating in a highly durable state on a resinous base. A coating material for a primer fixes a silane-based coating on a resinous base. The coating material contains a polyacrylic acid, and an alkoxysilane having two or more alkoxy groups in its molecule and/or a hydrolysis product thereof. The use of the coating material for a primer of the present invention makes it possible to form a coating for imparting an effect of suppressing slime deposition on the resinous base.
    Type: Application
    Filed: November 1, 2016
    Publication date: October 31, 2019
    Applicant: LIXIL CORPORATION
    Inventors: Yasuhiro ITODA, Hiroshi KAKEHI, Yoichi WATANABE
  • Publication number: 20190330833
    Abstract: A toilet body includes a toilet bowl part which has a bowl-shaped waste receiving surface and a water reservoir part, and a first water discharge part, in which the waste receiving surface has a shelf surface for guiding the flush water discharged from the water discharge hole into one side of the toilet bowl part in a circumferential direction, the shelf surface is structured so that a shape in a surface cut along a radial direction of the toilet bowl part is a flat surface, and a slope in the radial direction of the shelf surface in the rear region is set to be larger than a slope in the radial direction of the shelf surface in a lateral region of the waste receiving surface located on either the left or right side of the water reservoir part.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Applicant: LIXIL Corporation
    Inventors: Takashi MARUYAMA, Takumi UEDA
  • Publication number: 20190323216
    Abstract: A wash-basin includes a wash bowl portion and an outer lateral portion that is connected to an outer peripheral portion of the wash bowl portion and has a lower end portion mounted on the supporting member. A step portion having a shape, in which a mounting portion side is recessed toward an outer lateral surface side of the wash bowl portion from an outer peripheral surface, is formed at a connection portion between the outer peripheral surface of the outer lateral portion and a peripheral edge of the mounting portion, which is mounted on the supporting member, of outer lateral portion. The step portion has a size that allows caulking work between the supporting member and the step portion.
    Type: Application
    Filed: December 1, 2017
    Publication date: October 24, 2019
    Applicant: LIXIL Corporation
    Inventors: Yoshihiro YOSHIZAWA, Mamoru SAIDA, Tsutomu KOJIMA
  • Publication number: 20190323880
    Abstract: The present invention provides a measuring device which is configured to measure a body weight of a user sitting on a toilet seat, which is installed on a toilet bowl, and on which the toilet seat is installed, the device including a plurality of load measuring units that are configured to measure a load of the user acting on the toilet seat and that are disposed to protrude upward from an upper surface. The toilet seat includes a plurality of leg portions disposed to protrude downward from a lower surface, a height from the upper surface to upper ends of the load measuring units is greater than a height from the lower surface of the toilet seat to lower ends of the leg portions, and the load measuring units are disposed at different positions from the leg portions as seen in plan view.
    Type: Application
    Filed: January 4, 2018
    Publication date: October 24, 2019
    Applicant: LIXIL Corporation
    Inventors: Hirokazu SHIMASAKI, Hiroaki WATANABE, Tsunaki ITOU, Tomoya SASAKI, Hideya KOIKE
  • Patent number: 10450735
    Abstract: In a flush toilet, a base plate, in which a function unit is installed, is provided on a recessed portion formed on a rear upper surface of a toilet bowl of a toilet main body. Hole portions that are open downward are provided in the recessed portion. The base plate is provided with bottomed protrusion portions fitted into the hole portions and accommodates a part of the function unit. Flow channels are provided between the base plate and the recessed portion, so that water inside the toilet bowl is discharged to a floor surface from the flow channels from the hole portions before the water overflows.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: October 22, 2019
    Assignee: LIXIL Corporation
    Inventors: Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Takeya Ichiyanagi, Makoto Saruta
  • Patent number: D870866
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: December 24, 2019
    Assignee: LIXIL CORPORATION
    Inventors: Hidehiro Nakashima, Daisuke Matsumoto