Patents by Inventor Shinjiro Tamagawa

Shinjiro Tamagawa 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).

  • Aluminum hydroxide gel particle and production method thereof
    Patent number: 8815206
    Abstract: An aluminum hydroxide gel particle having high purity and extremely high acid reactivity and a production method thereof. The aluminum hydroxide gel particle has an iron (Fe) content of 1 to 10 ppm.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: August 26, 2014
    Assignee: Kyowa Chemical Industry Co., Ltd.
    Inventors: Takafumi Suzuki, Shinjiro Tamagawa
  • Aluminum hydroxide gel particle and production method thereof
    Patent number: 8524192
    Abstract: An aluminum hydroxide gel particle having high purity and extremely high acid reactivity and a production method thereof. The aluminum hydroxide gel particle has an iron (Fe) content of 1 to 10 ppm.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: September 3, 2013
    Assignee: Kyowa Chemical Industry Co., Ltd.
    Inventors: Takafumi Suzuki, Shinjiro Tamagawa
  • ALUMINUM HYDROXIDE GEL PARTICLE AND PRODUCTION METHOD THEREOF
    Publication number: 20110142749
    Abstract: An aluminum hydroxide gel particle having high purity and extremely high acid reactivity and a production method thereof. The aluminum hydroxide gel particle has an iron (Fe) content of 1 to 10 ppm.
    Type: Application
    Filed: August 7, 2009
    Publication date: June 16, 2011
    Inventors: Takafumi Suzuki, Shinjiro Tamagawa