Patents Assigned to LIXIL Corporation
  • Publication number: 20210383628
    Abstract: A space management device includes: a space information retaining unit that retains information regarding a living space including a building or premises where a person lives, lodges, or stays; a condition retaining unit that retains a condition regarding a position of a person or a movable body in the living space; a position information acquirer that acquires, from a detection device for detecting identification information and position information of a person or a movable body present in the living space, the identification information and position information; and a determination unit that refers to a condition retained in the condition retaining unit to determine whether or not a person or a movable body present in the living space is allowed to stay at the position or move to another position, based on the identification information and position information acquired by the position information acquirer.
    Type: Application
    Filed: June 5, 2020
    Publication date: December 9, 2021
    Applicant: LIXIL Corporation
    Inventors: Susumu ISHIDA, Hiroaki KIKUHARA, Tomoko HASEGAWA, Masaki YAMAZAKI, Yasunobu MASU, Katsuo ONO, Mikihiro OIDA, Masahiro MOTOMURA
  • Patent number: 11193266
    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: Grant
    Filed: September 19, 2019
    Date of Patent: December 7, 2021
    Assignee: LIXIL Corporation
    Inventors: Akiya Saeki, Hiroaki Watanabe, Tomoya Sasaki, Ryuichi Yokoi
  • Publication number: 20210341154
    Abstract: A hot water supply system includes a water supply pipe for supplying cold water, a hot water supply pipe for supplying hot water heated by a hot water supply device, a drain pipe for draining wastewater, a heat exchange device for heating cold water supplied from the water supply pipe using the wastewater, and a flow control mechanism for controlling, when supplying warm water obtained by mixing cold water heated by the heat exchange device and hot water heated by the hot water supply device, the flow rate of the cold water and the flow rate of the hot water so as to maintain the temperature of the warm water. The heat exchange device is a double-pipe, multi-pipe, coil, or spiral heat exchanger.
    Type: Application
    Filed: May 10, 2019
    Publication date: November 4, 2021
    Applicant: LIXIL Corporation
    Inventor: Satoshi YOSHIDA
  • Patent number: 11111662
    Abstract: A flush toilet includes: a toilet main body; a rim which is provided on an upper portion of a toilet bowl of the toilet main body and which flows a flush water into the toilet bowl; and a water level detection sensor which is provided inside the rim.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: September 7, 2021
    Assignee: LIXIL Corporation
    Inventors: Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Takeya Ichiyanagi, Sou Okuizumi, Makoto Saruta
  • Publication number: 20210230855
    Abstract: The present disclosure is intended to provide a nozzle for a sanitary cleaning device, the nozzle being configured such that the positioning of a channel-forming member can be easily performed in an axial direction of a nozzle cover. The nozzle is for used for a sanitary cleaning device, and includes: a nozzle cover made of ceramic and having a nozzle cover-side water ejection opening; a distal-side channel-forming component disposed in the nozzle cover and having a channel-side water ejection opening which communicates with the nozzle cover-side water ejection opening; and a rear-side channel-forming components connected to a rear portion of the distal-side channel-forming component in an axial direction of the nozzle cover, and capable of being adjusted in position in the axial direction of the nozzle cover with respect to the distal-side channel-forming component.
    Type: Application
    Filed: January 25, 2021
    Publication date: July 29, 2021
    Applicant: LIXIL Corporation
    Inventor: Hideki TAMURA
  • Publication number: 20210164204
    Abstract: Provided is a water spout control device that has a target object detector configured to: detect whether a target object exists in a first detection region and to determine a position of the target object when the target exists in the first detection region according to an image information of a regional image; a holding object detector configured to detect whether a holding object holding the detection target exists in a second detection region different from the first detection region and to determine a position of the holding object when the holding object exists in the second detection region; and a controller configured to control water discharging according to a detection result by the target object detector and a detection result by the holding object detector, wherein water spout conditions in the plurality of detection regions for controlling the water discharging from a faucet spout are different from each other.
    Type: Application
    Filed: March 8, 2019
    Publication date: June 3, 2021
    Applicant: LIXIL Corporation
    Inventors: Nobuhiro TAKI, Yuki SHIRAI
  • Patent number: 11013377
    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: Grant
    Filed: January 17, 2018
    Date of Patent: May 25, 2021
    Assignee: LIXIL Corporation
    Inventors: Hideki Katsurayama, Nobuyuki Matsuda, Haruka Ue, Taku Okawa, Yohei Yukitake, Yoshitaka Kouno
  • Patent number: 10988917
    Abstract: A toilet flushing device includes a first rim water pipe within which is formed a first water passage through which water flows to a first rim discharge hole, through which water is discharged to a rim part of a toilet bowl. The first rim water pipe extends from the first rim discharge hole toward a rear part of the toilet bowl, and the rear part side of the first rim water pipe is positioned lower than the first rim discharge hole.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: April 27, 2021
    Assignee: LIXIL Corporation
    Inventors: Ken Higuchi, Takeya Ichiyanagi, Yasuhiro Kondo
  • Publication number: 20210108402
    Abstract: A toilet remote controller includes a main body, an electrostatic switch provided on a front surface of the main body, and a control unit that is provided in the main body and transmits an operation signal corresponding to an operation of the electrostatic switch to a toilet device.
    Type: Application
    Filed: September 22, 2020
    Publication date: April 15, 2021
    Applicant: LIXIL Corporation
    Inventors: Ryuhei YAMASAKI, Hideyuki AKASAKI, Nobuyasu MIZUNO, Keiko NAKAGAWA, Tomokazu TOYA
  • Publication number: 20210108403
    Abstract: This toilet device has a water supply portion configured to supply flush water to a toilet bowl, a vacuum breaker provided in the water supply portion; and a connection pipe connected to the vacuum breaker, wherein the connection pipe is configured to drain the water overflowing from the vacuum breaker when malfunction occurs in the vacuum breaker as a drainage channel, and the connection pipe is configured to prevent backflow of sewage in the toilet bowl as a suction channel at the time of applying negative pressure.
    Type: Application
    Filed: October 13, 2020
    Publication date: April 15, 2021
    Applicant: LIXIL Corporation
    Inventors: Shinichi KATO, Kouji FUKUYA, Masafumi FUKAGAWA
  • Publication number: 20210093131
    Abstract: A toilet device includes a toilet body that has a toilet bowl, a toilet seat that is attached to the toilet body and has a bowl facing surface facing an inner surface of the toilet bowl in the up-and-down direction and provided on a back surface thereof, a discharge part that can discharge a cleaning liquid so that the cleaning liquid runs along a bowl facing surface, and a guide that can guide a part of the cleaning liquid so that the cleaning liquid runs along an inner peripheral side portion of the bowl facing surface.
    Type: Application
    Filed: January 31, 2019
    Publication date: April 1, 2021
    Applicant: LIXIL Corporation
    Inventors: Hideki TAMURA, Hiroshi KOBAYASHI, Shinichi GOMITA, Kojiro WATARI, Keisuke SAKAKIBARA
  • Patent number: 10934699
    Abstract: The toilet device is provided with a toilet device including a relay coil that has a first coil connected to one end of a connecting line and a second coil connected to the other end of the connecting line and a power reception coil. The first coil is configured to output the power received from a power supply coil by utilizing magnetic resonance to the second coil via the connecting line. The second coil is configured to supply the power received via the connecting line to the power reception coil by utilizing magnetic resonance.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: March 2, 2021
    Assignee: LIXIL Corporation
    Inventors: Hiroshi Matsuda, Naohisa Oota, Shunsuke Takahashi
  • Patent number: D913432
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: March 16, 2021
    Assignee: LIXIL Corporation
    Inventor: Yoshihiko Ando
  • Patent number: D914152
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: March 23, 2021
    Assignee: LIXIL Corporation
    Inventors: Yoshihiko Ando, Youichirou Tomioka
  • Patent number: D922529
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: June 15, 2021
    Assignee: LIXIL Corporation
    Inventor: Yoshihiko Ando
  • Patent number: D925699
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: July 20, 2021
    Assignee: LIXIL Corporation
    Inventor: Yuichiro Komatsu
  • Patent number: D926288
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: July 27, 2021
    Assignee: LIXIL Corporation
    Inventor: Yuichiro Komatsu
  • Patent number: D936616
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: November 23, 2021
    Assignee: LIXIL Corporation
    Inventors: Sho Horinoe, Hideaki Tsuzuki
  • Patent number: D936797
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: November 23, 2021
    Assignee: LIXIL Corporation
    Inventor: Yoshihiko Ando
  • Patent number: D937996
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: December 7, 2021
    Assignee: LIXIL Corporation
    Inventors: Yoshihiko Ando, Hiroshi Kobayashi