Patents by Inventor Tsunehisa KAKU

Tsunehisa KAKU 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).

  • Method of detecting colorectal cancer of stages 0 to I
    Patent number: 9134313
    Abstract: A tumor marker comprising diacetylspermine, and a method of evaluating the state of a tumor, comprising reacting an antibody to diacetylspermine with a biological sample to thereby detect diacetylspermine and evaluating the state of the tumor using the obtained detection results as an indicator.
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: September 15, 2015
    Assignees: Tokyo Metropolitan Organization For Medical Research, CRC Inc., Tokyo Metropolitan Government, Trans Genic Inc.
    Inventors: Masao Kawakita, Kyoko Hiramatsu, Keiichi Takahashi, Naotaka Hamasaki, Koji Yamaguchi, Tsunehisa Kaku, Koichiro Muta, Munechika Enjoji, Seiji Naito, Jun Hayashi, Shoshu Mitsuyama, Hiroyuki Yamashita, Toru Inoue, Masato Kato
  • N1, N12-DIACETYLSPERMINE AS TUMOR MARKER
    Publication number: 20090298098
    Abstract: A tumor marker comprising diacetylspermine, and a method of evaluating the state of a tumor, comprising reacting an antibody to diacetylspermine with a biological sample to thereby detect diacetylspermine and evaluating the state of the tumor using the obtained detection results as an indicator.
    Type: Application
    Filed: June 9, 2009
    Publication date: December 3, 2009
    Applicants: TOKYO METROPOLITAN ORGANIZATION FOR MEDICAL RESEARCH, CRC Inc., Tokyo Metropolitan Government, Trans Genic Inc.
    Inventors: Masao KAWAKITA, Kyoko HIRAMATSU, Keiichi TAKAHASHI, Naotaka HAMASAKI, Koji YAMAGUCHI, Tsunehisa KAKU, Koichiro MUTA, Munechika ENJOJI, Seiji NAITO, Jun HAYASHI, Shoshu MITSUYAMA, Hiroyuki YAMASHITA, Toru INOUE, Masato KATO
  • N1,n12-diacetylspermine as tumor marker
    Publication number: 20070161059
    Abstract: A tumor marker comprising diacetylspermine, and a method of evaluating the state of a tumor, comprising reacting an antibody to diacetylspermine with a biological sample to thereby detect diacetylspermine and evaluating the state of the tumor using the obtained detection results as an indicator.
    Type: Application
    Filed: March 11, 2004
    Publication date: July 12, 2007
    Applicant: Trans Genic Inc.
    Inventors: Masao Kawakita, Kyoko Hiramatsu, Keiichi Takahashi, Naotaka Hamasaki, Koji Yamaguchi, Tsunehisa Kaku, Koichiro Muta, Munechika Enjoji, Seiji Naito, Jun Hayashi, Shoshu Mitsuyama, Hiroyuki Yamashita, Toru Inoue, Masato Kato