Patents by Inventor Takasi Otoi

Takasi Otoi 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).

  • Vaporizing pipe in gas chromatography
    Patent number: D487306
    Type: Grant
    Filed: February 5, 2003
    Date of Patent: March 2, 2004
    Assignee: Saika Technological Institute Foundation
    Inventors: Ryoichi Sasano, Kazuaki Kiji, Takasi Otoi, Motoaki Satoh
  • Vaporizing pipe in gas chromatography
    Patent number: D487307
    Type: Grant
    Filed: February 5, 2003
    Date of Patent: March 2, 2004
    Assignee: Saika Technological Institute Foundation
    Inventors: Ryoichi Sasano, Kazuaki Kiji, Takasi Otoi, Motoaki Satoh
  • Vaporizing pipe in gas chromatography
    Patent number: D493513
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: July 27, 2004
    Assignee: Saika Technological Institute Foundation
    Inventors: Ryoichi Sasano, Kazuaki Kiji, Takasi Otoi, Motoaki Satoh
  • Vaporizing pipe in gas chromatography
    Patent number: D493514
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: July 27, 2004
    Assignee: Saika Technological Institute Foundation
    Inventors: Ryoichi Sasano, Kazuaki Kiji, Takasi Otoi, Motoaki Satoh
  • Vaporizing pipe in gas chromatography
    Patent number: D493871
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: August 3, 2004
    Assignee: Saika Technological Institute Foundation
    Inventors: Ryoichi Sasano, Kazuaki Kiji, Takasi Otoi, Motoaki Satoh