Patents by Inventor Yoshihiro Kiyofuji

Yoshihiro Kiyofuji 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: 11761551
    Abstract: 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: Grant
    Filed: June 10, 2019
    Date of Patent: September 19, 2023
    Assignee: TOTO LTD.
    Inventors: Yukito Tsuruda, Kenji Kido, Takafumi Inoue, Masanobu Kanashiro, Makoto Hatakeyama, Daisuke Kazaoka, Yoshihiro Kiyofuji
  • Publication number: 20190376608
    Abstract: 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: Application
    Filed: June 10, 2019
    Publication date: December 12, 2019
    Inventors: Yukito TSURUDA, Kenji KIDO, Takafumi INOUE, Masanobu KANASHIRO, Makoto HATAKEYAMA, Daisuke KAZAOKA, Yoshihiro KIYOFUJI
  • Patent number: 10378674
    Abstract: The hot and cold water mixing valve device includes a hot and cold water mixing valve unit; a flow control valve unit; a valve device main body; a hot and cold water mixing valve housing; and a flow control valve housing; and wherein the valve device main body includes: a hot water passageway permitting communication between only the hot water inlet of the valve device main body and the hot water inlet of the hot and cold water mixing valve unit; and a cold water passageway permitting communication between only the cold water inlet of the valve device main body and the cold water inlet of the hot and cold water mixing valve unit are formed on the interior of the valve device main body.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: August 13, 2019
    Assignee: TOTO LTD.
    Inventors: Masaki Hanazono, Takafumi Miyagi, Emiko Sumimoto, Yoshihiro Kiyofuji
  • Publication number: 20170277208
    Abstract: The hot and cold water mixing valve device includes a hot and cold water mixing valve unit; a flow control valve unit; a valve device main body; a hot and cold water mixing valve housing; and a flow control valve housing; and wherein the valve device main body includes: a hot water passageway permitting communication between only the hot water inlet of the valve device main body and the hot water inlet of the hot and cold water mixing valve unit; and a cold water passageway permitting communication between only the cold water inlet of the valve device main body and the cold water inlet of the hot and cold water mixing valve unit are formed on the interior of the valve device main body.
    Type: Application
    Filed: March 9, 2017
    Publication date: September 28, 2017
    Inventors: Masaki HANAZONO, Takafumi MIYAGI, Emiko SUMIMOTO, Yoshihiro KIYOFUJI
  • Patent number: 7748649
    Abstract: It is an object to provide a novel water discharging apparatus capable of rapidly enhancing an outer appearance and a cleaning property and enjoying a plurality of water discharging configurations.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: July 6, 2010
    Assignee: Toto Ltd.
    Inventors: Makoto Fujii, Shoji Miura, Yoshihiro Kiyofuji
  • Publication number: 20050103895
    Abstract: It is an object to provide a novel water discharging apparatus capable of rapidly enhancing an outer appearance and a cleaning property and enjoying a plurality of water discharging configurations.
    Type: Application
    Filed: February 6, 2003
    Publication date: May 19, 2005
    Inventors: Makoto Fujii, Shoji Miura, Yoshihiro Kiyofuji