Patents by Inventor Isato Hirasawa
Isato Hirasawa 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).
-
Patent number: 11344166Abstract: A toilet seat device includes a main body installed at an upper rear part of a toilet, a toilet seat attached to the main body, and a toilet lid. The toilet lid includes a toilet lid main body configured to cover the toilet seat; and a first shaft engagement part attached to the toilet lid main body and attachable to and detachable from a first shaft provided on the main body. The first shaft engagement part is configured to be switchable between an engaged state in which the first shaft engagement part is engaged with the first shaft and a non-engaged state in which the engagement with the first shaft is released and is switched to the non-engaged state when the toilet lid main body in the engagement state is pressed in a direction in which the toilet lid main body moves away from the toilet seat.Type: GrantFiled: March 19, 2019Date of Patent: May 31, 2022Assignee: LIXIL CorporationInventors: Isato Hirasawa, Saori Ichihara
-
Patent number: 11111662Abstract: 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: GrantFiled: February 16, 2017Date of Patent: September 7, 2021Assignee: LIXIL CorporationInventors: Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Takeya Ichiyanagi, Sou Okuizumi, Makoto Saruta
-
Publication number: 20210022568Abstract: A toilet seat device includes a main body installed at an upper rear part of a toilet, a toilet seat attached to the main body, and a toilet lid. The toilet lid includes a toilet lid main body configured to cover the toilet seat; and a first shaft engagement part attached to the toilet lid main body and attachable to and detachable from a first shaft provided on the main body. The first shaft engagement part is configured to be switchable between an engaged state in which the first shaft engagement part is engaged with the first shaft and a non-engaged state in which the engagement with the first shaft is released and is switched to the non-engaged state when the toilet lid main body in the engagement state is pressed in a direction in which the toilet lid main body moves away from the toilet seat.Type: ApplicationFiled: March 19, 2019Publication date: January 28, 2021Applicant: LIXIL CorporationInventors: Isato HIRASAWA, Saori ICHIHARA
-
Patent number: 10837162Abstract: A toilet device includes a toilet main body, a base plate-which is provided on an upper portion of the toilet main body and on which a functional unit is mounted, and a cover which covers the base plate from an upper side such that the functional unit is accommodated. The cover has a protrusion portion that protrudes further downward than the base plate and that is positioned closer to a toilet bowl of the toilet main body than the base plate. A recess portion, which communicates with the toilet bowl and is open to the upper side, is formed in the toilet main body. The base plate is arranged on the recess portion.Type: GrantFiled: March 27, 2017Date of Patent: November 17, 2020Assignee: LIXIL CorporationInventors: Isato Hirasawa, Saori Ichihara, Kentarou Tsuji, Hiroto Kutsuzawa, Tomoya Sasaki, Hiroaki Watanabe, Yuji Nakayama, Tsunaki Itou, Miyoko Tateishi
-
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
-
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
-
Publication number: 20190153712Abstract: 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: ApplicationFiled: February 16, 2017Publication date: May 23, 2019Applicant: LIXIL CorporationInventors: Saori ICHIHARA, Isato HIRASAWA, Tomoya SASAKI, Takeya ICHIYANAGI, Sou OKUIZUMI, Makoto SARUTA
-
Publication number: 20190112797Abstract: A toilet device includes a toilet main body, a base plate-which is provided on an upper portion of the toilet main body and on which a functional unit is mounted, and a cover which covers the base plate from an upper side such that the functional unit is accommodated. The cover has a protrusion portion that protrudes further downward than the base plate and that is positioned closer to a toilet bowl of the toilet main body than the base plate. A recess portion, which communicates with the toilet bowl and is open to the upper side, is formed in the toilet main body. The base plate is arranged on the recess portion.Type: ApplicationFiled: March 27, 2017Publication date: April 18, 2019Applicant: LIXIL CorporationInventors: Isato HIRASAWA, Saori ICHIHARA, Kentarou TSUJI, Hiroto KUTSUZAWA, Tomoya SASAKI, Hiroaki WATANABE, Yuji NAKAYAMA, Tsunaki ITOU, Miyoko TATEISHI
-
Publication number: 20190032319Abstract: 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: ApplicationFiled: January 6, 2017Publication date: January 31, 2019Applicant: LIXIL CorporationInventors: Saori ICHIHARA, Isato HIRASAWA, Tomoya SASAKI, Takeya ICHIYANAGI, Makoto SARUTA
-
Publication number: 20190000284Abstract: 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: ApplicationFiled: January 4, 2017Publication date: January 3, 2019Applicant: LIXIL CorporationInventors: Yudai MORIKAWA, Isato HIRASAWA
-
Patent number: 10136775Abstract: A toilet bowl apparatus includes: a toilet bowl main body; a functional part installed at an upper section of the toilet bowl main body; a seal member attached to at least one of the toilet bowl main body and the functional part and disposed in a gap between the toilet bowl main body and the functional part, and the seal member includes a soft seal body and an elastic body covered by the soft seal body.Type: GrantFiled: April 6, 2017Date of Patent: November 27, 2018Assignee: Lixil CorporationInventors: Saori Ichihara, Isato Hirasawa, Yasuhiro Kondo, Takeya Ichiyanagi
-
Publication number: 20170290475Abstract: A toilet bowl apparatus includes: a toilet bowl main body; a functional part installed at an upper section of the toilet bowl main body; a seal member attached to at least one of the toilet bowl main body and the functional part and disposed in a gap between the toilet bowl main body and the functional part, and the seal member includes a soft seal body and an elastic body covered by the soft seal body.Type: ApplicationFiled: April 6, 2017Publication date: October 12, 2017Inventors: Saori Ichihara, Isato Hirasawa, Yasuhiro Kondo, Takeya Ichiyanagi