Patents by Inventor Yoshio Kitada

Yoshio Kitada 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: 12085551
    Abstract: A water quality analyzer includes: a sample reservoir (20) including a first storage container (22) configured to temporarily store sample water supplied from a sample water source, and a discharge mechanism (24) configured to discharge the sample water to an outside of the first storage container (22); at least one second storage container (32) provided as a container different from the first storage container (22) for storing the sample water; a measurement device (10) including a measurement cell (12) for accommodating sample water, the measurement device (12) being configured to obtain a measured value of a physical quantity related to the sample water accommodated in the measurement cell (12); a pump (2) configured to suction and discharge a liquid, wherein the pump (2) is fluidly connected to any one of the first storage container (22), the second storage container (32), and the measurement cell (12) selectively; a switching device (4;6) configured to switch fluidly connection of the pump (2) with the f
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: September 10, 2024
    Assignee: SHIMADZU CORPORATION
    Inventor: Yoshio Kitada
  • Publication number: 20220065839
    Abstract: A water quality analyzer includes: a sample reservoir (20) including a first storage container (22) configured to temporarily store sample water supplied from a sample water source, and a discharge mechanism (24) configured to discharge the sample water to an outside of the first storage container (22); at least one second storage container (32) provided as a container different from the first storage container (22) for storing the sample water; a measurement device (10) including a measurement cell (12) for accommodating sample water, the measurement device (12) being configured to obtain a measured value of a physical quantity related to the sample water accommodated in the measurement cell (12); a pump (2) configured to suction and discharge a liquid, wherein the pump (2) is fluidly connected to any one of the first storage container (22), the second storage container (32), and the measurement cell (12) selectively; a switching device (4;6) configured to switch fluidly connection of the pump (2) with the f
    Type: Application
    Filed: October 3, 2019
    Publication date: March 3, 2022
    Applicant: SHIMADZU CORPORATION
    Inventor: Yoshio KITADA
  • Patent number: 10627384
    Abstract: The invention provides a water quality analyzer with which an abnormality in the collection of water can be determined by detecting whether or not a predetermined amount of a liquid sample has been fed into a sample container. The analyzer is formed of: a sample container 53 into which a liquid sample can be introduced through a liquid sample introduction port 53e formed in a lower portion of the container 53; a light source unit 51 for irradiating the container 53 with light; and a detection unit 52 for detecting light that has passed through the container 53, and further includes a determination unit for determining whether or not a predetermined amount of the liquid sample has been contained in the container 53 on the basis of the change in the light intensity detected by the detection unit 52 when the liquid sample is fed into the container 53.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: April 21, 2020
    Assignee: SHIMADZU CORPORATION
    Inventor: Yoshio Kitada
  • Patent number: 6703468
    Abstract: A composition comprising a polymer containing a compound represented by Formula (1) or a salt thereof as a constituent monomer, or a polymer containing a structure represented by Formula (9) as a partial structure is used for protecting or improving skin. In the formula, R1, R2 and R3 each independently represent hydrogen atom, an alkyl group, an alkoxyl group, or an alkylamino group; R4 represents an amino acid residue, a polyamine residue, or an aminoalcohol residue; and X represents oxygen atom or a group represented as NH. In the formula, R1, R2 and R3 each independently represent hydrogen atom, an alkyl group, an alkoxyl group, or an alkylamino group; R4 represents an amino acid residue, a polyamine residue, or an aminoalcohol residue; and X represents oxygen atom or a group represented as NH.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: March 9, 2004
    Assignee: Pola Chemical Industries Inc.
    Inventors: Michi Otiai, Takao Hattori, Yoshio Kitada, Hideo Kuroda, Midori Oyobikawa, Satoshi Ichinomiya
  • Patent number: 6495524
    Abstract: To provide an external agent for thee skin that not only exhibits excellent effects of prevention and amelioration of skin pigmentation but also has no fear of giving adverse influences to the skin and can be used safely, there is added to an external agent for the skin one or more compound(s) selected from compounds represented by formula (I) below: (wherein R1, R2, R3, R4, and R5, independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and R represents a hydrogen atom, an acyl group, or a sugar residue).
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: December 17, 2002
    Assignee: Pola Chemical Industries Inc.
    Inventors: Takao Hattori, Takayuki Katagiri, Yoshio Kitada, Takashi Yoshida, Hideyuki Ito
  • Patent number: 5952308
    Abstract: A mineral absorption promoting agent containing oligouronic acid, e. g. oligogalacturonic acid or oligomannuronic acid ?degree of polymerization (n)=1 to 9! is described. Since this oligouronic acid ?polymerization degree (n)=1 to 9! forms a complex with mineral, it promotes absorption of minerals into living organisms by simply adding it to foods, drinks or pharmacentical compositions for oral use. Since the agent has no problem with safety, the agent is suitable for repeated eating, drinking or taking, and the agent is very effective.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: September 14, 1999
    Assignee: Pola Chemical Industries Inc.
    Inventors: Noboru Nakanishi, Yoshio Kitada
  • Patent number: 5565207
    Abstract: A scalp-moisturizer or external skin preparation containing as essential active ingredients the following: (a) steroid glycoside and/or triterpenoid glycoside, (b) sphingo glycolipid and (c) steroid hormone, the content of (a) and (b) being 0.01-10% by weight of the total, the (a)/(b) ratio by weight being 85/15-30/70 and (c) being incorporated in effective amounts of not more than 0.1% by weight of the total.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: October 15, 1996
    Assignee: Pola Kasei Kogyo Kabushiki Kaisha
    Inventors: Nobuo Kashibuchi, Kenkichi Matsubara, Yoshio Kitada, Hiroyuki Suzuki