公开(公告)号：US12258744B2

公开(公告)日：2025-03-25

申请号：US18121770

申请日：2023-03-15

Applicant: TOTO LTD.

Inventor： Yuta Kondo ,  Koichiro Hiwa ,  Yuki Shimokawa ,  Kenji Hatama ,  Haruki Matsuda

IPC: E03D1/14 ,  E03D1/34

Abstract: The present invention is a flush water tank device including a flush water tank main body, a water supply valve, and a discharge valve, in which during a flush of the flush toilet, the discharge valve is opened until a water level in the flush water tank main body is lowered from a predetermined full water level to a predetermined dead water level, a lowering speed of the water level in the flush water tank main body changes at a predetermined inflection water level between the full water level and the dead water level, and the lowering speed of the water level between the inflection water level and the dead water level is faster than the lowering speed of the water level between the full water level and the inflection water level.

公开(公告)号：US20250079130A1

公开(公告)日：2025-03-06

申请号：US18816038

申请日：2024-08-27

Applicant: TOTO LTD.

Inventor： Ryunosuke NAKAGAWA ,  Tatsuya KOGA

IPC: H01J37/32 ,  C23C24/04

Abstract: A structural member 10 includes a base material 100 and a protective film 200 covering a surface 110 of the base material 100. A particle 300 that is harder than the protective film 200 is dispersedly arranged inside the protective film 200.

公开(公告)号：US20250072777A1

公开(公告)日：2025-03-06

申请号：US18814624

申请日：2024-08-26

Applicant: TOTO LTD.

Inventor： Masaya Nakata ,  Motoki Kobayashi ,  Shotaro Wada ,  Yoshiyuki Kaneko

IPC: A61B5/026 ,  A61B5/00 ,  E03D9/00

Abstract: A sensor device includes a laser blood flow sensor and a control device. The laser blood flow sensor is provided in a toilet room and acquires biological information that includes blood flow information of a user. The control device controls the laser blood flow sensor. The control device determines presence or absence of a human body, based on information that is acquired by the laser blood flow sensor.

公开(公告)号：US20250072776A1

公开(公告)日：2025-03-06

申请号：US18786673

申请日：2024-07-29

Applicant: TOTO LTD.

Inventor： Masaya Nakata ,  Yoshiyuki Kaneko ,  Shotaro Wada ,  Motoki Kobayashi ,  Yusuke Motoda

IPC: A61B5/026 ,  A61B5/00

Abstract: A sensor unit includes a light emitting element that emits light toward an object, two light receiving elements that receive light from the object, and a transmissive window that is disposed between the light emitting element and the object and transmits light emitted from the light emitting element. The two light receiving elements are disposed so as to be positioned on a circle concentric with the light emitting element and to be positioned in a range of less than 180 degrees around the light emitting element.

公开(公告)号：USD1065472S1

公开(公告)日：2025-03-04

申请号：US29890729

申请日：2023-04-26

Applicant: TOTO Ltd.

Designer： Kumiko Tomiya ,  Takanori Shimazoe ,  Tomohiro Miyazaki ,  Yuji Yoshioka ,  Takahiro Ago

公开(公告)号：US20250043559A1

公开(公告)日：2025-02-06

申请号：US18783541

申请日：2024-07-25

Applicant: TOTO LTD.

Inventor： Kenichi NAKAMURA ,  Hiroshi HASHIMOTO ,  Shinichi URATA ,  Takumi TSUCHITANI ,  Chisato SONE ,  Jing CHEN ,  Wataru ISHIMI ,  Naoki ABE ,  Daisuke YAMAMOTO

IPC: E03D11/08

Abstract: A flush toilet includes a reservoir tank, a bowl, a rim spout port, a discharge trap conduit, a jet spout port configured to spout flush water toward an inlet of the discharge trap conduit, a jet water conduit configured to supply the flush water from the reservoir tank to the jet spout port, and a discharge device configured to supply or stop supplying the flush water to the jet water conduit, wherein the flush water is spouted at a first flow rate from the jet spout port when the discharge device is driven and the flush water in the reservoir tank flows into the jet water conduit and, after spouting of the first flow rate ends, the flush water is spouted at a second flow rate from the jet spout port due to the flush water retained in the jet water conduit flowing toward the jet spout port.

公开(公告)号：US20250006540A1

公开(公告)日：2025-01-02

申请号：US18753835

申请日：2024-06-25

Applicant: TOTO LTD.

Inventor： Tetsuro ITOYAMA ,  Jumpei UEFUJI ,  Tomoki UMETSU

IPC: H01L21/683 ,  C23C16/458

Abstract: An electrostatic chuck includes a dielectric substrate, a base plate which is a metallic member joined to the dielectric substrate and in which a gas hole is formed, and a vent plug arranged inside the gas hole. The vent plug has a porous section which is a section made of a porous ceramic with air permeability, and a dense section which is a section made of a dense ceramic without air permeability, and which surrounds a whole circumference of the porous section from an outer circumference side. The porous section and the dense section are formed together into one piece by sintering without sandwiching a joining material made of a material other than a ceramic.

公开(公告)号：US12156617B2

公开(公告)日：2024-12-03

申请号：US18160505

申请日：2023-01-27

Applicant: TOTO LTD.

Inventor： Mitsuhiro Shimada ,  Hinako Kurashima ,  Daisuke Suzawa ,  Katsumi Yamanaka

IPC: A47K13/24

Abstract: A toilet apparatus includes: a toilet seat disposed above a toilet bowl; an image sensor photographing an inside of a bowl of the toilet bowl; and a control unit controlling the image sensor to execute an automatic photographing mode of automatically photographing the inside of the bowl. When acquiring a user's photographing intention information indicating whether or not the user has an intention to photograph the inside of the bowl, the control unit switches between executing and stopping of the automatic photographing mode based on the acquired photographing intention information.

公开(公告)号：US20240339351A1

公开(公告)日：2024-10-10

申请号：US18745262

申请日：2024-06-17

Applicant: TOTO LTD.

Inventor： Yutaka MOMIYAMA ,  Hitoshi SASAKI

IPC: H01L21/683 ,  B32B7/12 ,  B32B9/00 ,  B32B9/04 ,  B32B15/04 ,  B32B15/08 ,  C23C14/06 ,  C23C14/08

CPC classification number: H01L21/6833 ,  B32B7/12 ,  B32B9/005 ,  B32B9/041 ,  B32B9/045 ,  B32B15/04 ,  B32B15/08 ,  C23C14/0635 ,  C23C14/0641 ,  C23C14/08 ,  B32B2307/54 ,  B32B2307/542

Abstract: According to one embodiment, an electrostatic chuck includes a ceramic dielectric substrate, a base plate, and a bonding layer provided between the ceramic dielectric substrate and the base plate. At least one of the following first to sixth conditions is satisfied: First condition: An elongation percentage α1 is not less than 120%; Second condition: A ratio α1/α2 of the elongation percentage is not less than 0.60; Third condition: A bonding strength β1 is not less than 0.4 MPa and not more than 10 MPa; Fourth condition: A ratio β1/β2 of the bonding strength is not less than 0.6 and not more than 10; Fifth condition: An elastic modulus γ1 is not less than 0.1 MPa and not more than 10 MPa; Sixth condition: A ratio γ1/γ2 of the elastic modulus is not less than 0.6 and not more than 30.

公开(公告)号：US20240330617A1

公开(公告)日：2024-10-03

申请号：US18596797

申请日：2024-03-06

Applicant: TOTO LTD.

Inventor： Shimpei ARAKI ,  Sachiko NIWANO

IPC: G06K7/10 ,  G06K7/14

CPC classification number: G06K7/10297 ,  G06K7/1417

Abstract: A toilet device includes a wireless communication part and a controller. The wireless communication part is configured to communicate with a personal digital assistant. The controller is configured to control the wireless communication part. The wireless communication part includes a first identification information that is unique and a second identification information that is modifiable. The controller stores the second identification information when it receives a write signal of the second identification information transmitted from the personal digital assistant.