Patents Assigned to LIXIL Corporation
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Patent number: 10550274Abstract: 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: GrantFiled: June 28, 2016Date of Patent: February 4, 2020Assignee: Lixil CorporationInventors: Yoichi Watanabe, Hiroshi Kakehi, Yuki Shuto
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Publication number: 20200029758Abstract: 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: ApplicationFiled: January 17, 2018Publication date: January 30, 2020Applicant: LIXIL CorporationInventors: Hideki KATSURAYAMA, Nobuyuki MATSUDA, Haruka UE, Taku OKAWA, Yohei YUKITAKE, Yoshitaka KOUNO
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Publication number: 20200011041Abstract: 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: ApplicationFiled: September 19, 2019Publication date: January 9, 2020Applicant: LIXIL CorporationInventors: Akiya SAEKI, Hiroaki WATANABE, Tomoya SASAKI, Ryuichi YOKOI
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Publication number: 20200008627Abstract: 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: ApplicationFiled: December 9, 2017Publication date: January 9, 2020Applicant: LIXIL CorporationInventor: Shingo MORI
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Publication number: 20200002928Abstract: 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: ApplicationFiled: June 28, 2019Publication date: January 2, 2020Applicant: LIXIL CorporationInventors: Yu KUROKI, Takumi DOMAE, Tomohisa ASHIDA, Sho ITO, Kouji FUKUYA, Reo SEIKE, Takaomi ASAI
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Publication number: 20190390449Abstract: 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: ApplicationFiled: June 17, 2019Publication date: December 26, 2019Applicant: LIXIL CorporationInventors: Hiroshi KOBAYASHI, Toshinori MORI, Kazuo TAKEUCHI, Shunzou IWASAKI, Isao YOSHINAGA, Hiroyuki MIYAMOTO, Tadashi ASHIZAWA, Hideaki SAWADA, Jaehoon CHOI, Shuji KAWAI
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Publication number: 20190389780Abstract: 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: ApplicationFiled: June 17, 2019Publication date: December 26, 2019Applicant: LIXIL CorporationInventors: Toshinori MORI, Kazuo TAKEUCHI, Shunzou IWASAKI, Isao YOSHINAGA, Hiroyuki MIYAMOTO, Tadashi ASHIZAWA, Hideaki SAWADA, Jaehoon CHOI, Shuji KAWAI
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Publication number: 20190345708Abstract: 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: ApplicationFiled: November 6, 2017Publication date: November 14, 2019Applicant: LIXIL CorporationInventor: Yu KUROKI
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Publication number: 20190345707Abstract: 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: ApplicationFiled: November 6, 2017Publication date: November 14, 2019Applicant: LIXIL CorporationInventors: Yu KUROKI, Yoshiro HONJO
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Patent number: 10463208Abstract: 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: GrantFiled: January 4, 2017Date of Patent: November 5, 2019Assignee: LIXIL CorporationInventors: Yudai Morikawa, Isato Hirasawa
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Publication number: 20190330832Abstract: 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: ApplicationFiled: November 7, 2017Publication date: October 31, 2019Applicant: LIXIL CorporationInventors: TingJian GONG, Toshihiko KOMATSU, Masashi KONNO, Motoki KAGAWA, Masato WAKABAYASHI, Tomoya SASAKI, YinTao LIU, Atsushi WAKAMATSU
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Publication number: 20190330830Abstract: 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: ApplicationFiled: April 25, 2019Publication date: October 31, 2019Applicant: LIXIL CorporationInventors: Ken HIGUCHI, Masafumi FUKAGAWA, Shuhei HAMADA, Kazuhiko HARITAKE, Kazuya YASHIMA, Yuki NISHIO, Gousuke SAKAKIBARA, Junpei YAMAGUCHI
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Publication number: 20190330477Abstract: 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: ApplicationFiled: November 1, 2016Publication date: October 31, 2019Applicant: LIXIL CORPORATIONInventors: Yasuhiro ITODA, Hiroshi KAKEHI, Yoichi WATANABE
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Publication number: 20190330833Abstract: 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: ApplicationFiled: April 26, 2019Publication date: October 31, 2019Applicant: LIXIL CorporationInventors: Takashi MARUYAMA, Takumi UEDA
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Publication number: 20190323216Abstract: 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: ApplicationFiled: December 1, 2017Publication date: October 24, 2019Applicant: LIXIL CorporationInventors: Yoshihiro YOSHIZAWA, Mamoru SAIDA, Tsutomu KOJIMA
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Publication number: 20190323880Abstract: 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: ApplicationFiled: January 4, 2018Publication date: October 24, 2019Applicant: LIXIL CorporationInventors: Hirokazu SHIMASAKI, Hiroaki WATANABE, Tsunaki ITOU, Tomoya SASAKI, Hideya KOIKE
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Patent number: 10450735Abstract: 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: GrantFiled: January 6, 2017Date of Patent: October 22, 2019Assignee: LIXIL CorporationInventors: Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Takeya Ichiyanagi, Makoto Saruta
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Patent number: 10441118Abstract: Provided is a method of manufacturing a toilet seat that is formed by joining together a seat front member and a seat rear member. The method includes a cutting step of forming a processed surface of a joint part between the seat front member and the seat rear member by cutting the joint part between the seat front member and the seat rear member with a cutting tool having a curved cutting blade part such that the shape of the processed surface is formed in a curved shape in which the seat rear member side thereof protrudes outward in a cross section perpendicular to the direction in which the joint part extends.Type: GrantFiled: August 23, 2016Date of Patent: October 15, 2019Assignee: LIXIL CorporationInventors: Akitaka Hamajima, Yudai Morikawa, Motoki Kagawa, Toshiaki Ikeda, Ryuichi Yokoi, Kouta Higuchi, Ryosuke Nakamura, Ryosuke Suzuki
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Publication number: 20190309504Abstract: 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. On a lower surface side of the wash bowl portion, each of recessed grooves is formed in a connecting portion between an outer peripheral surface of the outer lateral portion and the wash bowl portion.Type: ApplicationFiled: December 1, 2017Publication date: October 10, 2019Applicant: LIXIL CorporationInventors: Yoshihiro YOSHIZAWA, Mamoru SAIDA, Tsutomu KOJIMA
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Patent number: D870866Type: GrantFiled: October 23, 2018Date of Patent: December 24, 2019Assignee: LIXIL CORPORATIONInventors: Hidehiro Nakashima, Daisuke Matsumoto