Patents by Inventor Masanobu KANASHIRO
Masanobu KANASHIRO 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: 11852251Abstract: The cylinder body is affected by a rotational operation of the first operation part in such a manner that a rotational position of the cylinder body is changed while an axial position of the cylinder body is not changed, and is affected by a rotational operation of the second operation part in such a manner that the axial position of the cylinder body is changed while the rotational position of the cylinder body is not changed. A communication amount between the cold water supply channel and the cold water inlet hole, a communication amount between the hot water supply channel and the hot water inlet hole, and/or a communication amount between the mixed water outlet hole and the mixed water outlet channel are/is changed depending on the axial position and the rotational position of the cylinder body in order to achieve both a temperature regulation and a flow rate regulation.Type: GrantFiled: September 17, 2021Date of Patent: December 26, 2023Assignee: TOTO LTD.Inventors: Kenichi Hashimoto, Makoto Hatakeyama, Masanobu Kanashiro
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Patent number: 11761551Abstract: A faucet device includes: a base member; an outer shell member; a metallic casing member that is inserted in a columnar section of the outer shell member and whose one end is fixed to the base member; a hot-water supply pipe and a cold-water supply pipe that supply hot water and cold water, respectively; a single lever cartridge provided at the other end of the casing member; connecting members provided inside the casing member, connecting the hot-water supply pipe and the cold-water supply pipe to the single lever cartridge; a fixing member fixing the single lever cartridge to the connecting members; and mechanical engagement pins. The casing member is formed of a metallic plate or pipe with a size that allows the casing member to be insertable into the columnar section of the outer shell member, and capable of retaining the connecting member in accordance with the mechanical engagement means.Type: GrantFiled: June 10, 2019Date of Patent: September 19, 2023Assignee: TOTO LTD.Inventors: Yukito Tsuruda, Kenji Kido, Takafumi Inoue, Masanobu Kanashiro, Makoto Hatakeyama, Daisuke Kazaoka, Yoshihiro Kiyofuji
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Patent number: 11648572Abstract: The present invention is a shower head for which a plurality of spout modes can be switched. The shower head includes: a storage chamber configured to store water supplied from a water supply source; a secondary-side flow-path member provided on a spout-surface side with respect to the storage chamber, the secondary-side flow-path member having a plurality of flow paths, each of which corresponds to each of the plurality of spout modes; and a plurality of diaphragm valves, each of which is configured to control a communicated/blocked state between each of the plurality of flow paths and the storage chamber.Type: GrantFiled: September 12, 2019Date of Patent: May 16, 2023Assignee: TOTO LTD.Inventors: Hideyuki Matsui, Masanobu Kanashiro
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Publication number: 20220099198Abstract: The cylinder body is affected by a rotational operation of the first operation part in such a manner that a rotational position of the cylinder body is changed while an axial position of the cylinder body is not changed, and is affected by a rotational operation of the second operation part in such a manner that the axial position of the cylinder body is changed while the rotational position of the cylinder body is not changed. A communication amount between the cold water supply channel and the cold water inlet hole, a communication amount between the hot water supply channel and the hot water inlet hole, and/or a communication amount between the mixed water outlet hole and the mixed water outlet channel are/is changed depending on the axial position and the rotational position of the cylinder body in order to achieve both a temperature regulation and a flow rate regulation.Type: ApplicationFiled: September 17, 2021Publication date: March 31, 2022Inventors: Kenichi HASHIMOTO, Makoto HATAKEYAMA, Masanobu KANASHIRO
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Patent number: 10795381Abstract: The present invention is a flow-rate adjustable valve for adjusting a flow rate of liquid flowing through a flow path. The flow-rate adjustable valve includes: a main valve body; a back pressure chamber; an inlet hole; an outlet hole; a pilot valve body for opening and closing an end of the outlet hole on a side of the back pressure chamber; an elongated member holding the pilot valve body; and a lifter rotatable and also movable in the axial direction of the elongated member by the rotation of the rotatable member. The lifter and the elongated member are integrally movable in the axial direction. The elongated member is connected to the lifter under a condition in which the elongated member is biased to the lifter in a one-way direction of the axial direction by a biasing-connecting member.Type: GrantFiled: April 18, 2017Date of Patent: October 6, 2020Assignee: TOTO LTD.Inventors: Kenichi Hashimoto, Hideyuki Matsui, Makoto Hatakeyama, Kohei Kawana, Tetsuro Kamiyoshi, Masanobu Kanashiro
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Patent number: 10767765Abstract: The present invention is a flow-rate adjustable valve for adjusting a flow rate of liquid flowing through a flow path. The flow-rate adjustable valve includes: a rotatable member; a lifter linearly movable by a rotation of the rotatable member; a valve body linearly movable by a linear movement of the lifter; a stopper configured to restrict a movable range of the lifter in a fixed state of the stopper in which a position of the stopper is not able to be changed; and a stopper-holding member configured to hold the stopper selectively in the fixed state or in a provisional fixed state in which the position of the stopper is able to be changed.Type: GrantFiled: April 18, 2017Date of Patent: September 8, 2020Assignee: TOTO LTD.Inventors: Kenichi Hashimoto, Hideyuki Matsui, Makoto Hatakeyama, Kohei Kawana, Tetsuro Kamiyoshi, Masanobu Kanashiro
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Patent number: 10753489Abstract: An electronic faucet device includes a water discharge port for discharging water mixed at a faucet main body; a valve for electrically opening and closing a passage on an upstream side of the water discharge port; a first operation unit and a second operation unit for opening and closing the valve; and a control unit for controlling the valve based on an electrical signal transmitted from each of the first and second operation units, in a case where a water discharge and stop operation is performed on one operation unit among the first operation unit and the second operation unit in a state where the water discharge and stop operation is performed on the other operation unit, the control unit controls the valve by prioritizing an electrical signal transmitted from the one operation unit so as to enable discharge and stopping of water at the water discharge port.Type: GrantFiled: September 20, 2018Date of Patent: August 25, 2020Assignee: TOTO LTD.Inventors: Makoto Hatakeyama, Hideyuki Matsui, Masanobu Kanashiro
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Publication number: 20200086333Abstract: The present invention is a shower head for which a plurality of spout modes can be switched. The shower head includes: a storage chamber configured to store water supplied from a water supply source; a secondary-side flow-path member provided on a spout-surface side with respect to the storage chamber, the secondary-side flow-path member having a plurality of flow paths, each of which corresponds to each of the plurality of spout modes; and a plurality of diaphragm valves, each of which is configured to control a communicated/blocked state between each of the plurality of flow paths and the storage chamber.Type: ApplicationFiled: September 12, 2019Publication date: March 19, 2020Inventors: Hideyuki Matsui, Masanobu Kanashiro
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Patent number: 10571031Abstract: The present invention is a flow-rate adjustable valve for adjusting a flow rate of liquid flowing through a flow path. The flow-rate adjustable valve includes: a main valve body movably supported in the flow path via a diaphragm membrane; a back pressure chamber; a plurality of inlet holes communicating the upstream side of the flow path with the back pressure chamber; an outlet hole communicating a downstream side of the flow path with the back pressure chamber; and a pilot valve body for opening and closing the outlet hole, wherein moments acting on the main valve body based on the liquid flowing into the back pressure chamber through the plurality of inlet holes are canceled by each other in total, under a condition in which the pilot valve body opens the outlet hole.Type: GrantFiled: April 18, 2017Date of Patent: February 25, 2020Assignee: TOTO LTD.Inventors: Kenichi Hashimoto, Hideyuki Matsui, Makoto Hatakeyama, Kohei Kawana, Tetsuro Kamiyoshi, Masanobu Kanashiro
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Publication number: 20190376608Abstract: A faucet device includes: a base member; an outer shell member; a metallic casing member that is inserted in a columnar section of the outer shell member and whose one end is fixed to the base member; a hot-water supply pipe and a cold-water supply pipe that supply hot water and cold water, respectively; a single lever cartridge provided at the other end of the casing member; connecting members provided inside the casing member, connecting the hot-water supply pipe and the cold-water supply pipe to the single lever cartridge; a fixing member fixing the single lever cartridge to the connecting members; and mechanical engagement pins. The casing member is formed of a metallic plate or pipe with a size that allows the casing member to be insertable into the columnar section of the outer shell member, and capable of retaining the connecting member in accordance with the mechanical engagement means.Type: ApplicationFiled: June 10, 2019Publication date: December 12, 2019Inventors: Yukito TSURUDA, Kenji KIDO, Takafumi INOUE, Masanobu KANASHIRO, Makoto HATAKEYAMA, Daisuke KAZAOKA, Yoshihiro KIYOFUJI
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Patent number: 10273668Abstract: An automatic water faucet device 1 for automatically discharging water when an object to be detected is detected has: a sensor 14 that detects the object; a first water discharge part 12 that performs foamy water discharge; a second water discharge part 13 that performs spray water discharge; and a controller 40 that performs control for switching between the foamy water discharge from the first water discharge part 12 and the spray water discharge from the second water discharge part 13, wherein the controller 40 performs the foamy water discharge from the first water discharge part 12 while the sensor 14 detects the object, and when the sensor 14 no longer detects the object, the controller 40 stops this foamy water discharge, and thereafter performs spray water discharge from the second water discharge part 13 for a predetermined period.Type: GrantFiled: November 20, 2015Date of Patent: April 30, 2019Assignee: Toto Ltd.Inventors: Kensuke Murata, Hitoshi Nakao, Naoto Tomiyama, Tatsuya Fukutomi, Masanobu Kanashiro
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Publication number: 20190101219Abstract: An electronic faucet device includes a water discharge port for discharging water mixed at a faucet main body; a valve for electrically opening and closing a passage on an upstream side of the water discharge port; a first operation unit and a second operation unit for opening and closing the valve; and a control unit for controlling the valve based on an electrical signal transmitted from each of the first and second operation units, in a case where a water discharge and stop operation is performed on one operation unit among the first operation unit and the second operation unit in a state where the water discharge and stop operation is performed on the other operation unit, the control unit controls the valve by prioritizing an electrical signal transmitted from the one operation unit so as to enable discharge and stopping of water at the water discharge port.Type: ApplicationFiled: September 20, 2018Publication date: April 4, 2019Inventors: Makoto HATAKEYAMA, Hideyuki MATSUI, Masanobu KANASHIRO
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Patent number: 10060107Abstract: An automatic water faucet device 1 includes: an electrolysis tank 37 that electrolyzes water to generate electrolyzed water; a second water discharge part 13 for discharging the electrolyzed water, a second flow path 18 that extends from the electrolysis tank 37 to the second water discharge part 13; a second solenoid valve 28 that switches between supply and blocking of normal water with respect to the electrolysis tank 37, and a controller 40 that controls the electrolysis tank 37 and the second solenoid valve 28. The controller 40 energizes the electrolysis tank 37 to discharge the electrolyzed water and thereafter stops the energization of the electrolysis tank 37 and maintains an open state of the second solenoid valve 28, to stop the supply of the electrolyzed water to the second flow path 18 and to supply normal water to the second flow path 18.Type: GrantFiled: November 20, 2015Date of Patent: August 28, 2018Assignee: TOTO LTD.Inventors: Kensuke Murata, Hitoshi Nakao, Hiroshi Mizoguchi, Naoto Tomiyama, Masanobu Kanashiro
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Publication number: 20180044898Abstract: A water discharging device 2 that is installed so as to secure a predetermined opened space between a bowl 3 and the water discharging device 2, and discharges water toward this bowl 3, the water discharging device having a water discharge part 13 that jets waterdrops so as to spread the waterdrops at a predetermined angle ? from a water discharge port 13a, and is set so as to discharge water at a predetermined flow rate, wherein an average flow speed X (m/sec) and an average particle size Y (?m) of the waterdrops jetted from the water discharge part 13 satisfy a conditional expression of “Y?9300×X(?1.5)”.Type: ApplicationFiled: November 20, 2015Publication date: February 15, 2018Inventors: Yutaro OHARA, Kensuke MURATA, Masanobu KANASHIRO, Hitoshi NAKAO
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Publication number: 20170328046Abstract: An automatic water faucet device 1 for automatically discharging water when an object to be detected is detected has: a sensor 14 that detects the object; a first water discharge part 12 that performs foamy water discharge; a second water discharge part 13 that performs spray water discharge; and a controller 40 that performs control for switching between the foamy water discharge from the first water discharge part 12 and the spray water discharge from the second water discharge part 13, wherein the controller 40 performs the foamy water discharge from the first water discharge part 12 while the sensor 14 detects the object, and when the sensor 14 no longer detects the object, the controller 40 stops this foamy water discharge, and thereafter performs spray water discharge from the second water discharge part 13 for a predetermined period.Type: ApplicationFiled: November 20, 2015Publication date: November 16, 2017Applicant: TOTO LTD.Inventors: Kensuke MURATA, Hitoshi NAKAO, Naoto TOMIYAMA, Tatsuya FUKUTOMI, Masanobu KANASHIRO
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Publication number: 20170328047Abstract: An automatic water faucet device 1 includes: an electrolysis tank 37 that electrolyzes water to generate electrolyzed water; a second water discharge part 13 for discharging the electrolyzed water, a second flow path 18 that extends from the electrolysis tank 37 to the second water discharge part 13; a second solenoid valve 28 that switches between supply and blocking of normal water with respect to the electrolysis tank 37, and a controller 40 that controls the electrolysis tank 37 and the second solenoid valve 28. The controller 40 energizes the electrolysis tank 37 to discharge the electrolyzed water and thereafter stops the energization of the electrolysis tank 37 and maintains an open state of the second solenoid valve 28, to stop the supply of the electrolyzed water to the second flow path 18 and to supply normal water to the second flow path 18.Type: ApplicationFiled: November 20, 2015Publication date: November 16, 2017Applicant: TOTO LTD.Inventors: Kensuke MURATA, Hitoshi NAKAO, Hiroshi MIZOGUCHI, Naoto TOMIYAMA, Masanobu KANASHIRO
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Publication number: 20170321811Abstract: The present invention is a flow-rate adjustable valve for adjusting a flow rate of liquid flowing through a flow path. The flow-rate adjustable valve includes: a main valve body movably supported in the flow path via a diaphragm membrane; a back pressure chamber; a plurality of inlet holes communicating the upstream side of the flow path with the back pressure chamber; an outlet hole communicating a downstream side of the flow path with the back pressure chamber; and a pilot valve body for opening and closing the outlet hole, wherein moments acting on the main valve body based on the liquid flowing into the back pressure chamber through the plurality of inlet holes are canceled by each other in total, under a condition in which the pilot valve body opens the outlet hole.Type: ApplicationFiled: April 18, 2017Publication date: November 9, 2017Inventors: Kenichi HASHIMOTO, Hideyuki MATSUI, Makoto HATAKEYAMA, Kohei KAWANA, Tetsuro KAMIYOSHI, Masanobu KANASHIRO
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Publication number: 20170321809Abstract: The present invention is a flow-rate adjustable valve for adjusting a flow rate of liquid flowing through a flow path. The flow-rate adjustable valve includes: a rotatable member; a lifter linearly movable by a rotation of the rotatable member; a valve body linearly movable by a linear movement of the lifter; a stopper configured to restrict a movable range of the lifter in a fixed state of the stopper in which a position of the stopper is not able to be changed; and a stopper-holding member configured to hold the stopper selectively in the fixed state or in a provisional fixed state in which the position of the stopper is able to be changed.Type: ApplicationFiled: April 18, 2017Publication date: November 9, 2017Inventors: Kenichi HASHIMOTO, Hideyuki MATSUI, Makoto HATAKEYAMA, Kohei KAWANA, Tetsuro KAMIYOSHI, Masanobu KANASHIRO
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Publication number: 20170322565Abstract: The present invention is a flow-rate adjustable valve for adjusting a flow rate of liquid flowing through a flow path. The flow-rate adjustable valve includes: a main valve body; a back pressure chamber; an inlet hole; an outlet hole; a pilot valve body for opening and closing an end of the outlet hole on a side of the back pressure chamber; an elongated member holding the pilot valve body; and a lifter rotatable and also movable in the axial direction of the elongated member by the rotation of the rotatable member. The lifter and the elongated member are integrally movable in the axial direction. The elongated member is connected to the lifter under a condition in which the elongated member is biased to the lifter in a one-way direction of the axial direction by a biasing-connecting member.Type: ApplicationFiled: April 18, 2017Publication date: November 9, 2017Inventors: Kenichi HASHIMOTO, Hideyuki MATSUI, Makoto HATAKEYAMA, Kohei KAWANA, Tetsuro KAMIYOSHI, Masanobu KANASHIRO