Patents by Inventor Yuko Kikuchi

Yuko Kikuchi 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).

  • Mixing valve
    Patent number: 12571477
    Abstract: A mixing valve 1 includes: a housing 2 with a valve chamber 6 formed therein; and a rotor 4 rotatably inserted into the valve chamber 6, the housing 2 includes, in a first peripheral wall 12, a first inlet port 14 opening at a first opening 20 to the valve chamber 6 and a second inlet port 16 opening at a second opening 22 to the valve chamber 6, a first fluid F1 flowing into the first inlet port 14, a second fluid F2 flowing into the second inlet port 16, the rotor 4 includes, in a second peripheral wall 28, a first inflow pipe 30 and a second inflow pipe 32, and a housing 2 includes, in the first peripheral wall 12, a discharge port 18 discharging the first fluid F1 and/or the second fluid F2 flowing into the valve chamber 6 without passing through the first inflow pipe 30 and/or the second inflow pipe 32 of the rotor 4, respectively, as a discharge fluid DF to the outside of the housing 2, and includes an outlet port 26 communicating with a mixing flow path 24.
    Type: Grant
    Filed: July 1, 2024
    Date of Patent: March 10, 2026
    Assignee: MIKUNI CORPORATION
    Inventors: Hiroshi Kato, Hideaki Kashiwagura, Satoshi Ando, Yuko Kikuchi
  • MIXING VALVE
    Publication number: 20250012367
    Abstract: A mixing valve 1 includes: a housing 2 with a valve chamber 6 formed therein; and a rotor 4 rotatably inserted into the valve chamber 6, the housing 2 includes, in a first peripheral wall 12, a first inlet port 14 opening at a first opening 20 to the valve chamber 6 and a second inlet port 16 opening at a second opening 22 to the valve chamber 6, a first fluid F1 flowing into the first inlet port 14, a second fluid F2 flowing into the second inlet port 16, the rotor 4 includes, in a second peripheral wall 28, a first inflow pipe 30 and a second inflow pipe 32, and a housing 2 includes, in the first peripheral wall 12, a discharge port 18 discharging the first fluid F1 and/or the second fluid F2 flowing into the valve chamber 6 without passing through the first inflow pipe 30 and/or the second inflow pipe 32 of the rotor 4, respectively, as a discharge fluid DF to the outside of the housing 2, and includes an outlet port 26 communicating with a mixing flow path 24.
    Type: Application
    Filed: July 1, 2024
    Publication date: January 9, 2025
    Applicant: MIKUNI CORPORATION
    Inventors: Hiroshi KATO, Hideaki KASHIWAGURA, Satoshi ANDO, Yuko KIKUCHI
  • Stable liquid preparation of complex vitamin for internal use
    Patent number: 5578600
    Abstract: Described is a stable liquid preparation of complex vitamin for internal use. The preparation containing vitamin B.sub.1 and vitamin B.sub.12, and as a sweetening agent, a sugar alcohol. The pH of the preparation has been adjusted to 3.5 to 4.5.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: November 26, 1996
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Yutaka Murata, Yuko Kikuchi, Tomohiko Ohsugi, Noriko Aoki, Teiji Murata, Toshiaki Kurazumi, Akira Iwasa