Patents by Inventor Kiyotake Ukigai

Kiyotake Ukigai 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: 11492790
    Abstract: A flush toilet deodorizing device includes an intake port part forming an intake port intaking air; an exhaust port part forming an exhaust port exhausting deodorized air; a fan device provided in a deodorizing air channel, the deodorizing air channel linking the intake port and the exhaust port and allowing air to flow; a water deodorizing part provided in the deodorizing air channel, the water deodorizing part using water to deodorize a suctioned air; and an oxidation catalyst provided in the deodorizing air channel.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: November 8, 2022
    Assignee: TOTO LTD.
    Inventors: Kiyotake Ukigai, Yuya Otowa, Shoko Uemoto, Shunichi Nakamichi, Kanako Isono
  • Patent number: 11105080
    Abstract: A toilet space deodorizing device includes an intake part forming an intake port; an exhaust part forming an exhaust port; a fan device intaking air through the intake port; a water deodorizing part provided inside a deodorizing air channel, the deodorizing air channel linking the intake port and the exhaust port and allowing air to flow, the water deodorizing part using water to deodorize the suctioned air; a water supply part supplying water to the water deodorizing part; and a drainage part forming a drainage port, the drainage port draining water from the water deodorizing part into a drainage receptacle. The drainage port is positioned between the water deodorizing part and the water supply part. The water supply part supplies the water to the water deodorizing part via the drainage port.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: August 31, 2021
    Assignee: TOTO LTD.
    Inventors: Kiyotake Ukigai, Yuya Otowa, Shoko Uemoto, Shunichi Nakamichi, Kanako Isono
  • Patent number: 11047121
    Abstract: A toilet space deodorizing device includes an intake port part forming an intake port, an exhaust port part forming an exhaust port, a fan device, a water collecting part provided inside a deodorizing air channel, a water supply part supplying water to the water collecting part, a drainage part forming a drainage port, a negative pressure generation device forming a negative pressure in the water collecting part, and a controller controlling a driving of the negative pressure generation device. The controller dries the negative pressure generation device to generate a negative pressure. The water supplied from the water supply part is collected in the water collecting part due to air flowing into the water collecting part and pushing on the water supplied from the water supply part by the negative pressure.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: June 29, 2021
    Assignee: TOTO LTD.
    Inventors: Kiyotake Ukigai, Yuya Otowa, Shoko Uemoto, Shunichi Nakamichi, Kanako Isono
  • Publication number: 20200123753
    Abstract: A toilet space deodorizing device includes an intake part forming an intake port; an exhaust part forming an exhaust port; a fan device intaking air through the intake port; a water deodorizing part provided inside a deodorizing air channel, the deodorizing air channel linking the intake port and the exhaust port and allowing air to flow, the water deodorizing part using water to deodorize the suctioned air; a water supply part supplying water to the water deodorizing part; and a drainage part forming a drainage port, the drainage port draining water from the water deodorizing part into a drainage receptacle. The drainage port is positioned between the water deodorizing part and the water supply part. The water supply part supplies the water to the water deodorizing part via the drainage port.
    Type: Application
    Filed: August 20, 2019
    Publication date: April 23, 2020
    Inventors: Kiyotake Ukigai, Yuya Otowa, Shoko Uemoto, Shunichi Nakamichi, Kanako Isono
  • Patent number: 10626584
    Abstract: Provided is a water discharge device for spraying water having transparency throughout a long distance. The present invention is a water discharge device (2) that sprays the supplied water, and includes a water discharge device body (6), a rectifying chamber (14a) which is provided in the water discharge device body, a plurality of rectifying members (18) that are disposed at intervals in the rectifying chamber and includes a number of fine holes (18a), so that water sequentially passes through the plurality of rectifying members, a water spray member (20) provided with spray nozzles (22b) for discharging the water passing through these rectifying members, and an air bubble discharge flow path (26) that is formed so that air bubbles present among the rectifying members bypass at least one of the rectifying members to reach the water spray member, and has a larger flow path sectional area than the fine holes.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: April 21, 2020
    Assignee: TOTO LTD.
    Inventors: Shunji Yoshino, Ryohei Yaita, Kiyotake Ukigai, Shumpei Mio
  • Publication number: 20200063421
    Abstract: A toilet space deodorizing device includes an intake port part forming an intake port, an exhaust port part forming an exhaust port, a fan device, a water collecting part provided inside a deodorizing air channel, a water supply part supplying water to the water collecting part, a drainage part forming a drainage port, a negative pressure generation device forming a negative pressure in the water collecting part, and a controller controlling a driving of the negative pressure generation device. The controller dries the negative pressure generation device to generate a negative pressure. The water supplied from the water supply part is collected in the water collecting part due to air flowing into the water collecting part and pushing on the water supplied from the water supply part by the negative pressure.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 27, 2020
    Inventors: Kiyotake Ukigai, Yuya Otowa, Shoko Uemoto, Shunichi Nakamichi, Kanako Isono
  • Publication number: 20200063422
    Abstract: A flush toilet deodorizing device includes an intake port part forming an intake port intaking air; an exhaust port part forming an exhaust port exhausting deodorized air; a fan device provided in a deodorizing air channel, the deodorizing air channel linking the intake port and the exhaust port and allowing air to flow; a water deodorizing part provided in the deodorizing air channel, the water deodorizing part using water to deodorize a suctioned air; and an oxidation catalyst provided in the deodorizing air channel.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 27, 2020
    Inventors: Kiyotake Ukigai, Yuya Otowa, Shoko Uemoto, Shunichi Nakamichi, Kanako Isono
  • Patent number: 10427175
    Abstract: The present invention is a spout apparatus (1), including: a shower head main body (2), and an oscillation inducing element (4) for discharging water while allowing it to oscillate reciprocally, wherein the oscillation inducing element includes: a water supply passageway (10a), a water collision portion (14) for generating vortexes of alternately mutually opposing circulations; a vortex street passageway (10b) for guiding and growing vortexes formed by the water collision portion; a discharge passageway (10c) for causing water guided by the vortex street passageway to be discharged; a bypass passageway (6b) for allowing water to detour the water collision portion and flow into the vortex street passageway; and a flow volume ratio adjusting member (8), capable of varying the flow volume ratio of water flowing into the vortex street passageway through the water collision portion to water flowing into the vortex street passageway through the bypass passageway.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: October 1, 2019
    Assignee: TOTO LTD.
    Inventors: Katsuya Nagata, Kiyotake Ukigai
  • Patent number: 10358803
    Abstract: The present invention is a spout apparatus including: a spout forming member configured to form a spout; a flow-guiding member provided inside the spout forming member, configured to guide water on an upstream side of the spout; an exposed flow-guiding member provided inside the spout forming member and on a spout side of the flow-guiding member, and exposed on a spout side of the exposed flow-guiding member; and a water channel configured to supply the water to an upstream side of the flow-guiding member. The exposed flow-guiding member and/or the spout forming member are configured to spout water from an outer periphery as an annular stream, among the water spouted from the spout. According to the above spout apparatus, the flow-guiding member can be effectively protected, and high guiding characteristics can be achieved in particular at an outer periphery of the spout.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: July 23, 2019
    Assignee: TOTO LTD.
    Inventors: Katsuya Nagata, Kiyotake Ukigai
  • Patent number: 10272450
    Abstract: The present invention is a spout apparatus (1) for discharging water, including a spouting apparatus main body (2) and an oscillation inducing element (4) for discharging water with reciprocating motion; wherein the oscillation inducing element has: a water supply passageway (10a); a water colliding portion (14) for generating vortexes of mutually opposing circulations at the downstream side thereof by the collision of hot or cold water; a vortex street passageway (10b) having a tapered part, placed on the downstream side of the water supply passageway, which narrows in flow path cross section toward the downstream side; a separating portion (12) for suppressing the Coanda effect acting on the flow of water along the wall surface of a vortex street passageway; and a flow-aligning passageway (10c) having an essentially fixed flow path cross section which aligns the flow of hot or cold water which has passed through the separating portion.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: April 30, 2019
    Assignee: TOTO LTD.
    Inventors: Katsuya Nagata, Kiyotake Ukigai
  • Patent number: 10272451
    Abstract: To provide a spout apparatus which is easily maintainable by a user even when, in a fluid device utilizing Karman vortices, scale adheres to the Karman vortex generating portion. A spout apparatus for discharging hot or cold water while causing it to reciprocally oscillate, having a spout apparatus body and an oscillating element; whereby the oscillating element has a water supply passage, a vortex generating passage, and a spout port passage; the spout port passage is formed of an elastically deformable soft member and is attached to the spout apparatus body so that a user can manipulate the spout port passage to deform it; and the vortex generating passage is formed of an elastically deformable soft member, and is integrally formed with the spout port passage so that deformations of the spout port passage can be transmitted to this vortex generating passage.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: April 30, 2019
    Assignee: TOTO LTD.
    Inventors: Kiyotake Ukigai, Katsuya Nagata, Masateru Miyazaki, Yutaka Aihara, Shuhei Hayata, Kei Watanabe, Nao Tanizaki, Hiroshi Nishijima
  • Patent number: 10071386
    Abstract: To provide a spout apparatus whereby expansion and deformation of the inner wall surface of the vortex generating portion such that a desired Karman vortex cannot be generated are prevented, even when the port portion is formed of an elastically deformable soft member. A spout apparatus for discharging hot or cold water with reciprocal motion, having a spout apparatus body and a vortex generating passage; whereby the oscillating element has a supply passage, a vortex generating passage, and a spout port passage, and the spout port passage is formed by an elastically deformable soft member, and is attached to the spout apparatus body so that a user can manipulate and deform the spout port passage, and the vortex generating passage is formed so as not to expand and deform even if internal pressure rises due to the supply of hot or cold water from the supply passage.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: September 11, 2018
    Assignee: TOTO LTD.
    Inventors: Kiyotake Ukigai, Katsuya Nagata, Masateru Miyazaki, Yutaka Aihara, Shuhei Hayata, Kei Watanabe, Nao Tanizaki, Hiroshi Nishijima
  • Publication number: 20180216326
    Abstract: Provided is a water discharge device for spraying water having transparency throughout a long distance. The present invention is a water discharge device (2) that sprays the supplied water, and includes a water discharge device body (6), a rectifying chamber (14a) which is provided in the water discharge device body, a plurality of rectifying members (18) that are disposed at intervals in the rectifying chamber and includes a number of fine holes (18a), so that water sequentially passes through the plurality of rectifying members, a water spray member (20) provided with spray nozzles (22b) for discharging the water passing through these rectifying members, and an air bubble discharge flow path (26) that is formed so that air bubbles present among the rectifying members bypass at least one of the rectifying members to reach the water spray member, and has a larger flow path sectional area than the fine holes.
    Type: Application
    Filed: January 24, 2018
    Publication date: August 2, 2018
    Inventors: Shunji YOSHINO, Ryohei YAITA, Kiyotake UKIGAI, Shumpei MIO
  • Publication number: 20180094414
    Abstract: The present invention is a spout apparatus including: a spout forming member configured to form a spout; a flow-guiding member provided inside the spout forming member, configured to guide water on an upstream side of the spout; an exposed flow-guiding member provided inside the spout forming member and on a spout side of the flow-guiding member, and exposed on a spout side of the exposed flow-guiding member; and a water channel configured to supply the water to an upstream side of the flow-guiding member. The exposed flow-guiding member and/or the spout forming member are configured to spout water from an outer periphery as an annular stream, among the water spouted from the spout. According to the above spout apparatus, the flow-guiding member can be effectively protected, and high guiding characteristics can be achieved in particular at an outer periphery of the spout.
    Type: Application
    Filed: September 25, 2017
    Publication date: April 5, 2018
    Inventors: Katsuya NAGATA, Kiyotake UKIGAI
  • Publication number: 20170165687
    Abstract: To provide a spout apparatus which is easily maintainable by a user even when, in a fluid device utilizing Karman vortices, scale adheres to the Karman vortex generating portion. A spout apparatus for discharging hot or cold water while causing it to reciprocally oscillate, having a spout apparatus body and an oscillating element; whereby the oscillating element has a water supply passage, a vortex generating passage, and a spout port passage; the spout port passage is formed of an elastically deformable soft member and is attached to the spout apparatus body so that a user can manipulate the spout port passage to deform it; and the vortex generating passage is formed of an elastically deformable soft member, and is integrally formed with the spout port passage so that deformations of the spout port passage can be transmitted to this vortex generating passage.
    Type: Application
    Filed: December 13, 2016
    Publication date: June 15, 2017
    Inventors: Kiyotake UKIGAI, Katsuya NAGATA, Masateru MIYAZAKI, Yutaka AIHARA, Shuhei HAYATA, Kei WATANABE, Nao TANIZAKI, Hiroshi NISHIJIMA
  • Publication number: 20170165688
    Abstract: To provide a spout apparatus whereby expansion and deformation of the inner wall surface of the vortex generating portion such that a desired Karman vortex cannot be generated are prevented, even when the port portion is formed of an elastically deformable soft member. A spout apparatus for discharging hot or cold water with reciprocal motion, having a spout apparatus body and a vortex generating passage; whereby the oscillating element has a supply passage, a vortex generating passage, and a spout port passage, and the spout port passage is formed by an elastically deformable soft member, and is attached to the spout apparatus body so that a user can manipulate and deform the spout port passage, and the vortex generating passage is formed so as not to expand and deform even if internal pressure rises due to the supply of hot or cold water from the supply passage.
    Type: Application
    Filed: December 13, 2016
    Publication date: June 15, 2017
    Inventors: Kiyotake UKIGAI, Katsuya NAGATA, Masateru MIYAZAKI, Yutaka AIHARA, Shuhei HAYATA, Kei WATANABE, Nao TANIZAKI, Hiroshi NISHIJIMA
  • Patent number: 9616433
    Abstract: In this shower apparatus, a part of an internal space thereof closer to the outer circumference thereof than an aeration unit is defined as a plurality of small spaces, and all of the small spaces have a uniform channel resistance.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: April 11, 2017
    Assignee: TOTO LTD.
    Inventors: Shuhei Hayata, Koji Takeda, Yasufumi Uemura, Kiyotake Ukigai, Katsuya Nagata
  • Patent number: 9616432
    Abstract: In this shower apparatus, a part of an internal space thereof closer to the outer circumference thereof than an aeration unit is defined as a plurality of small spaces, and all of the small spaces have a uniform channel resistance, and all of the small spaces have a uniform ratio between a channel cross-sectional area at an inlet portion of each of the small spaces and a total opening area of nozzle holes that communicate the small space with an external space such that backflow water CF that returns from the respective small spaces consistently has a uniform flow rate at any point in time among the streams of the backflow water CF.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: April 11, 2017
    Assignee: TOTO LTD.
    Inventors: Shuhei Hayata, Koji Takeda, Yasufumi Uemura, Kiyotake Ukigai, Katsuya Nagata
  • Publication number: 20170087570
    Abstract: The present invention is a spout apparatus (1) for spouting water, including: a spout apparatus main body (2) and an oscillation inducing element wherein the oscillation inducing element (4) has: a water supply conduit (10a), a water collision portion (14) disposed on the downstream end portion of the water supply passageway, for alternately generating oppositely circulating vortexes on that downstream side; a vortex street passageway (10b) for guiding vortexes formed by the water collision portion while causing them to grow; and a flow aligning pathway (10c) for aligning water including vortexes guided by the vortex street passageway, and causing it to be discharged; wherein a pair of opposing wall surfaces in the vortex street passageway is constituted so that the downstream side thereof is tapered over a longer area than the flow-aligning passageway, such that the flow path cross section thereof narrows toward the downstream side.
    Type: Application
    Filed: September 12, 2016
    Publication date: March 30, 2017
    Inventors: Kiyotake UKIGAI, Katsuya NAGATA
  • Publication number: 20170087568
    Abstract: The present invention is a spout apparatus (1) for spouting water, including: a spout apparatus main body (2) and an oscillation inducing element wherein the oscillation inducing element (4) has: a water supply conduit (10a), a water collision portion (14) disposed on the downstream end portion of the water supply passageway, for alternately generating oppositely circulating vortexes on that downstream side; a vortex street passageway (10b) for guiding vortexes formed by the water collision portion while causing them to grow; and a flow aligning pathway (10c) for aligning water including vortexes guided by the vortex street passageway, and causing it to be discharged; wherein a pair of opposing wall surfaces of the vortex street passageway are fully tapered so that a cross sectional area of flow path is narrowed towered a downstream side.
    Type: Application
    Filed: September 21, 2016
    Publication date: March 30, 2017
    Inventors: Katsuya NAGATA, Kiyotake UKIGAI