Patents by Inventor Mayu Okubo
Mayu Okubo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11967415Abstract: An excrement judgement system according to the embodiment including: an acquisition unit that acquires image information on an image in which excrement excreted in a defecation action per time is captured; a determination unit that determines properties of a plurality of stools included in the image information and stool amounts corresponding to the properties of the plurality of stools; and an outputting unit that associates the properties of the plurality of stools and the stool amounts corresponding to the properties of the plurality of stools that are determined by the determination unit, and outputs the associated properties and stool amounts to a device to be displayed.Type: GrantFiled: February 28, 2022Date of Patent: April 23, 2024Assignee: TOTO LTD.Inventors: Katsunori Ishii, Mayu Okubo
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Publication number: 20230274815Abstract: An excrement judgement system according to the embodiment including: an acquisition unit that acquires image information on an image in which excrement excreted in a defecation action per time is captured; a determination unit that determines properties of a plurality of stools included in the image information and stool amounts corresponding to the properties of the plurality of stools; and an outputting unit that associates the properties of the plurality of stools and the stool amounts corresponding to the properties of the plurality of stools that are determined by the determination unit, and outputs the associated properties and stool amounts to a device to be displayed.Type: ApplicationFiled: February 28, 2022Publication date: August 31, 2023Inventors: Katsunori Ishii, Mayu Okubo
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Patent number: 10526775Abstract: 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: GrantFiled: January 9, 2018Date of Patent: January 7, 2020Assignee: TOTO LTD.Inventors: Kenichi Nakamura, Hiroshi Hashimoto, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi, Shinichi Urata, Isami Sakaba, Haruka Saito, Takumi Tsuchitani
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Patent number: 10428507Abstract: A flush toilet according to an embodiment includes a main water guide channel, a bending water guide channel, a rim water guide channel, and a retention part. The bending water guide channel bends a flow direction of washing water supplied from the main water guide channel. The rim water guide channel causes the washing water to flow toward and to be spouted from a water spout part. The retention part is formed in at least the bending water guide channel. An upper part of the retention part is formed into an opened concave shape and the retention part retains a part of the washing water. Furthermore, the retention part is formed in such a manner that an upper end thereof on a downstream side is horizontal to a bottom surface of the water spout part or higher than the bottom surface of the water spout part.Type: GrantFiled: January 4, 2018Date of Patent: October 1, 2019Assignee: TOTO LTD.Inventors: Hiroshi Hashimoto, Shinichi Urata, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi, Daisuke Yamamoto, Kenichi Nakamura, Takumi Tsuchitani
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Patent number: 10344464Abstract: The present invention is a flush toilet (1) including: a bowl portion (8) having a bowl-shaped waste receiving surface (16), a rim portion (18), and a well portion (20) formed at the bottom of the waste receiving surface; a discharge trap pipe (12) connected to the bottom portion of the well portion; a flush water guide portion (40b) disposed on the waste receiving surface at the rear of the well portion so that flush water is directed toward the side wall surface inside the well portion; and a liquid membrane spouting portion (24) disposed on the rim portion, wherein this liquid membrane spouting portion induces a vertical circulating flow in the well portion, produced when discharged flush water assumes a liquid membrane form and collides with a flush water guide portion, and the colliding flush water drops along the side wall surface of the well portion.Type: GrantFiled: September 7, 2017Date of Patent: July 9, 2019Assignee: TOTO LTD.Inventors: Hiroshi Hashimoto, Shinichi Urata, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi, Daisuke Yamamoto, Kenichi Nakamura, Takumi Tsuchitani
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Patent number: 10323400Abstract: A wash-out type toilet according to an embodiment includes a bowl that receives waste and a drainage water trap. The drainage water trap includes an inlet that is connected to a lower part of the bowl, a rise pipeline that is connected to the inlet and extends upward toward its own top part, a fall pipeline that extends downward toward an inlet of a drainage water pipe that is arranged on a floor surface, and an intermediate pipeline with an upstream-side portion that is connected to the rise pipeline and a downstream-side portion that is connected to the fall pipeline. Furthermore, the intermediate pipeline includes a retention surface that is formed to slope downward from an upstream side to a downstream side and temporarily retains waste at a time of toilet washing.Type: GrantFiled: January 9, 2018Date of Patent: June 18, 2019Assignee: TOTO LTD.Inventors: Hiroshi Hashimoto, Shinichi Urata, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi, Daisuke Yamamoto, Kenichi Nakamura, Takumi Tsuchitani
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Patent number: 10081936Abstract: A flush toilet apparatus includes: a toilet main body portion, a reservoir tank portion, a discharge valve apparatus including a valve body for opening and closing a discharge opening in the reservoir tank portion, and an automatic flush drive unit for driving the discharge valve apparatus portion to open and close the valve body; wherein the drive unit includes a drive unit main body portion including an actuator for electrically driving the discharge valve apparatus portion, and an elongated operating member for connecting a discharge valve apparatus portion and a drive unit main body portion and operating the opening and closing action of a valve body by driving an electrically powered drive portion; and wherein the toilet main body includes an attaching portion disposed on the back surface side thereof, to which the drive unit main body portion is attached.Type: GrantFiled: August 6, 2015Date of Patent: September 25, 2018Assignee: TOTO LTD.Inventors: Mayu Okubo, Yoshitaka Tsuru
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Publication number: 20180202140Abstract: 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: ApplicationFiled: January 9, 2018Publication date: July 19, 2018Inventors: Kenichi Nakamura, Hiroshi Hashimoto, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi, Shinichi Urata, Isami Sakaba, Haruka Saito, Takumi Tsuchitani
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Publication number: 20180195261Abstract: A flush toilet according to an embodiment includes a main water guide channel, a bending water guide channel, a rim water guide channel, and a retention part. The bending water guide channel bends a flow direction of washing water supplied from the main water guide channel. The rim water guide channel causes the washing water to flow toward and to be spouted from a water spout part. The retention part is formed in at least the bending water guide channel. An upper part of the retention part is formed into an opened concave shape and the retention part retains a part of the washing water. Furthermore, the retention part is formed in such a manner that an upper end thereof on a downstream side is horizontal to a bottom surface of the water spout part or higher than the bottom surface of the water spout part.Type: ApplicationFiled: January 4, 2018Publication date: July 12, 2018Inventors: Hiroshi Hashimoto, Shinichi Urata, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi, Daisuke Yamamoto, Kenichi Nakamura, Takumi Tsuchitani
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Publication number: 20180195262Abstract: A wash-out type toilet according to an embodiment includes a bowl that receives waste and a drainage water trap. The drainage water trap includes an inlet that is connected to a lower part of the bowl, a rise pipeline that is connected to the inlet and extends upward toward its own top part, a fall pipeline that extends downward toward an inlet of a drainage water pipe that is arranged on a floor surface, and an intermediate pipeline with an upstream-side portion that is connected to the rise pipeline and a downstream-side portion that is connected to the fall pipeline. Furthermore, the intermediate pipeline includes a retention surface that is formed to slope downward from an upstream side to a downstream side and temporarily retains waste at a time of toilet washing.Type: ApplicationFiled: January 9, 2018Publication date: July 12, 2018Inventors: Hiroshi Hashimoto, Shinichi Urata, Shuichi Nagashima, Mayu Okubo, Shoko Imaizumi, Daisuke Yamamoto, Kenichi Nakamura, Takumi Tsuchitani
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Patent number: 10017929Abstract: A discharge valve apparatus includes a discharge main body, disposed above a flush water tank discharge port, for opening and closing the flush water tank discharge port by the up and down motion of a valve body disposed inside a casing; wherein the discharge main body includes an attachment portion allowing an operating wire extending from a wire pull-up operating apparatus to detachably attach to a valve body portion.Type: GrantFiled: March 11, 2016Date of Patent: July 10, 2018Assignee: TOTO LTD.Inventors: Koki Shinohara, Hideki Tanimoto, Mayu Okubo, Yoshitaka Tsuru, Makoto Abe, Yukinori Kubozono
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Publication number: 20180080208Abstract: The present invention is a flush toilet (1) including: a bowl portion (8) having a bowl-shaped waste receiving surface (16), a rim portion (18), and a well portion (20) formed at the bottom of the waste receiving surface; a discharge trap pipe (12) connected to the bottom portion of the well portion; a flush water guide portion (40b) disposed on the waste receiving surface at the rear of the well portion so that flush water is directed toward the side wall surface inside the well portion; and a liquid membrane spouting portion (24) disposed on the rim portion, wherein this liquid membrane spouting portion induces a vertical circulating flow in the well portion, produced when discharged flush water assumes a liquid membrane form and collides with a flush water guide portion, and the colliding flush water drops along the side wall surface of the well portion.Type: ApplicationFiled: September 7, 2017Publication date: March 22, 2018Applicant: TOTO LTD.Inventors: Hiroshi HASHIMOTO, Shinichi URATA, Shuichi NAGASHIMA, Mayu OKUBO, Shoko IMAIZUMI, Daisuke YAMAMOTO, Kenichi NAKAMURA, Takumi TSUCHITANI
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Publication number: 20160273202Abstract: A discharge valve apparatus includes a discharge main body, disposed above a flush water tank discharge port, for opening and closing the flush water tank discharge port by the up and down motion of a valve body disposed inside a casing; wherein the discharge main body includes an attachment portion allowing an operating wire extending from a wire pull-up operating apparatus to detachably attach to a valve body portion.Type: ApplicationFiled: March 11, 2016Publication date: September 22, 2016Applicant: TOTO LTD.Inventors: Koki SHINOHARA, Hideki TANIMOTO, Mayu OKUBO, Yoshitaka TSURU, Makoto ABE, Yukinori KUBOZONO
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Publication number: 20160069057Abstract: A flush toilet apparatus includes: a toilet main body portion, a reservoir tank portion, a discharge valve apparatus including a valve body for opening and closing a discharge opening in the reservoir tank portion, and an automatic flush drive unit for driving the discharge valve apparatus portion to open and close the valve body; wherein the drive unit includes a drive unit main body portion including an actuator for electrically driving the discharge valve apparatus portion, and an elongated operating member for connecting a discharge valve apparatus portion and a drive unit main body portion and operating the opening and closing action of a valve body by driving an electrically powered drive portion; and wherein the toilet main body includes an attaching portion disposed on the back surface side thereof, to which the drive unit main body portion is attached.Type: ApplicationFiled: August 6, 2015Publication date: March 10, 2016Applicant: TOTO LTD.Inventors: Mayu OKUBO, Yoshitaka TSURU
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Patent number: 9062444Abstract: A flush toilet having a toilet main unit cleaned by flush water is disclosed. The flush toilet comprises a reservoir tank for storing therein flush water; a bowl portion having a waste-receiving surface and a rim section; a drainage passage for expelling waste therethrough by means of siphon action; a rim water spouting port provided in the rim section at a position corresponding to a lateral region of the bowl portion; a jet water spouting port for spouting flush water toward an inlet of the drainage passage; a rim water guide passage for guiding flush water to the rim water spouting port; a jet water guide passage for guiding flush water to the jet water spouting port; and a flow dividing chamber for dividing and distributing flush water to the rim water guide passage and the jet water guide passage, wherein the flow dividing chamber, the rim water guide passage and the rim water spouting port are formed approximately along the same straight line.Type: GrantFiled: May 10, 2012Date of Patent: June 23, 2015Assignee: TOTO LTD.Inventors: Shigehisa Shirakawa, Mayu Okubo, Toshifumi Yoneda
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Patent number: 8544123Abstract: A flush toilet device has a toilet body having a bowl section, rim water discharge opening, a jet water discharge opening, and a discharge water trap conduit. A pressurizing pump is provided for pressurizing flush water contained in a cistern to supply it to the jet water discharge opening. A pump controller regulates the operation and rotation speed of the pressurizing pump to regulate the flow speed and flow rate of flush water discharged from the jet water discharge opening so that flush water at a first flow rate for generating a siphon effect is discharged and then at a second flow rate is discharged at the end of the siphon effect generated by the first flow rate. The second flow rate having a flow speed that can carry away human wastes and causes the siphon effect to continue by closing the cross section of any portion of the discharge water trap conduit.Type: GrantFiled: December 25, 2007Date of Patent: October 1, 2013Assignee: Toto Ltd.Inventors: Mayu Okubo, Yoshikazu Ushijima, Yuichi Sato, Yoshinobu Kato, Ryosuke Hayashi, Shinji Shibata
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Patent number: 8418277Abstract: A flush toilet in which an appropriate amount of water is supplied and that can be installed in an area where water pressure is low.Type: GrantFiled: August 29, 2007Date of Patent: April 16, 2013Assignee: Toto Ltd.Inventors: Mayu Okubo, Yoshikazu Ushijima, Yuichi Sato, Yoshinobu Kato, Ryosuke Hayashi, Ayako Harada
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Publication number: 20120284910Abstract: A flush toilet having a reservoir tank for storing therein flush water; a bowl portion having a waste-receiving surface and a rim section; a drainage passage for expelling waste therethrough by means of siphon action; a rim water spouting port provided in the rim section at a position corresponding to a lateral region of the bowl portion; a jet water spouting port for spouting flush water toward an inlet of the drainage passage; a rim water guide passage for guiding flush water to the rim water spouting port; a jet water guide passage for guiding flush water to the jet water spouting port; and a flow dividing chamber for dividing and distributing flush water to the rim water guide passage and the jet water guide passage, wherein the flow dividing chamber, the rim water guide passage and the rim water spouting port are formed approximately along the same straight line.Type: ApplicationFiled: May 10, 2012Publication date: November 15, 2012Applicant: TOTO LTD.Inventors: Shigehisa SHIRAKAWA, Mayu OKUBO, Toshifumi YONEDA
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Patent number: 8281424Abstract: A flush toilet for prevention of reverse flow and uses a reduced number of parts. The flush toilet includes a toilet body having a bowl, a rim water outlet, a jet water outlet, and a discharge water trap piping; a water storage tank. A flush water supply mechanism is provided for supplying flush water to the rim water outlet and the water storage tank and a pressurizing pump pressurizes the flush water in the water storage tank. A jet-side water supply path supplies the pressurized flush water to the jet water outlet. An overflow path is provided having a lower end connected to the downstream side of the highest position of the jet-side water supply path and an upper end opened in the upper part in the water storage tank with a flapper valve provided in the overflow path.Type: GrantFiled: June 27, 2008Date of Patent: October 9, 2012Assignee: Toto Ltd.Inventors: Mayu Okubo, Yoshikazu Ushijima, Yuichi Sato, Yoshinobu Kato, Ryosuke Hayashi
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Publication number: 20100132105Abstract: The present invention provides a flush toilet for simplifying structures used for backflow prevention and the like, and for reducing the number of parts.Type: ApplicationFiled: June 27, 2008Publication date: June 3, 2010Applicant: TOTO Ltd.Inventors: Mayu Okubo, Yoshikazu Ushijima, Yuichi Sato, Yoshinobu Kato, Ryosuke Hayashi