Patents by Inventor Hiroshi Kurumado

Hiroshi Kurumado 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).

  • POLYMERIZATION INHIBITING SYSTEM AND POLYMERIZATION INHIBITING METHOD
    Publication number: 20180297916
    Abstract: A polymerization inhibiting system includes a measuring apparatus, a supplying apparatus and a control apparatus. The measuring apparatus is configured to continuously measure a concentration of an oligomer that is included in at least one of a raw material containing monomer as a main component and an intermediate product from the raw material in a manufacturing process for producing a product from the raw material. The supplying apparatus is configured to supply a polymerization inhibitor in the manufacturing process. The control apparatus is configured to control a supply rate of the polymerization inhibitor by the supplying apparatus, based on a measurement result of the measurement made by the measuring apparatus.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 18, 2018
    Applicant: Yokogawa Electric Corporation
    Inventors: Akihiro MURATA, Ken MITSUMOTO, Takashi INOUE, Hiroshi KURUMADO
  • Method for measuring concentration of stable free radical compound
    Patent number: 6740528
    Abstract: In a process of treating a radical polymerizable compound containing a stable free radical compound, there is provided a method for measuring the concentration of the stable free radical compound rapidly and with high precision, from the absorption intensity of electron spin resonance.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: May 25, 2004
    Assignee: Hakuto Co., Ltd.
    Inventors: Norihiko Onishi, Hiroshi Kurumado, Yoshiharu Yamaguchi
  • Method for measuring concentration of stable free radical compound
    Publication number: 20020048820
    Abstract: In a process of treating a radical polymerizable compound containing a stable free radical compound, there is provided a method for measuring the concentration of the stable free radical compound rapidly and with high precision, from the absorption intensity of electron spin resonance.
    Type: Application
    Filed: August 30, 2001
    Publication date: April 25, 2002
    Applicant: HAKUTO CO., LTD.
    Inventors: Norihiko Onishi, Hiroshi Kurumado, Yoshiharu Yamaguchi