Patents by Inventor Takayuki Mamiya

Takayuki Mamiya 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).

  • Total nitrogen measurement apparatus
    Patent number: 9588050
    Abstract: A total nitrogen measurement apparatus comprising an ultraviolet lamp comprising: a light emission section and a holding section for holding the light emission section, the holding section being formed of a material not including iron; a reaction vessel having a space where the light emission section is to be inserted and a sample water is to be contained around the light emission section for converting nitrogen compounds in the sample water contained in the reaction vessel into nitrate ions by oxidative decomposition using ultraviolet rays from the light emission section; and a measurement section configured to perform absorbance measurement on the sample water including the nitrate ions.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: March 7, 2017
    Assignee: SHIMADZU CORPORATION
    Inventors: Yoshihito Yahata, Yoshizou Ishida, Takao Shimotani, Satoshi Takemura, Takayuki Mamiya
  • TOTAL NITROGEN MEASUREMENT APPARATUS
    Publication number: 20160054228
    Abstract: A total nitrogen measurement apparatus comprising an ultraviolet lamp comprising: a light emission section and a holding section for holding the light emission section, the holding section being formed of a material not including iron; a reaction vessel having a space where the light emission section is to be inserted and a sample water is to be contained around the light emission section for converting nitrogen compounds in the sample water contained in the reaction vessel into nitrate ions by oxidative decomposition using ultraviolet rays from the light emission section; and a measurement section configured to perform absorbance measurement on the sample water including the nitrate ions.
    Type: Application
    Filed: February 17, 2012
    Publication date: February 25, 2016
    Applicant: SHIMADZU CORPORATION
    Inventors: Yoshihito Yahata, Yoshizou Ishida, Takao Shimotani, Satoshi Takemura, Takayuki Mamiya