Patents by Inventor Toshiro Tsukamoto

Toshiro Tsukamoto 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).

  • Green fluorescent proteins and blue fluorescent proteins
    Patent number: 7198916
    Abstract: This invention relates to novel fluorescent GFPs and BFPs. A novel BFP according to this invention has an F64L mutation as well as a L236R mutation and is provided with improved fluorescence. Furthermore, another BFP has the F64L mutation with the characteristics as described above and other mutations, V163A and S175G, and it possesses markedly improved characteristics in the expression at 37 ° C. in addition to those as described above.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: April 3, 2007
    Inventors: Takashi Osumi, Toshiro Tsukamoto, Noriyo Tsukamoto, Masatoshi Yamasaki
  • Green fluorescent proteins and blue fluorescent proteins
    Publication number: 20040235131
    Abstract: This invention relates to novel fluorescent GFPs and BFPs. A novel BFP according to this invention has an F64L mutation as well as a L236R mutation and is provided with improved fluorescence. Furthermore, another BFP has the F64L mutation with the characteristics as described above and other mutations, V163A and S175G, and it possesses markedly improved characteristics in the expression at 37 ° C. in addition to those as described above.
    Type: Application
    Filed: January 9, 2004
    Publication date: November 25, 2004
    Applicant: Takashi Osumi
    Inventors: Takashi Osumi, Toshiro Tsukamoto, Noriyo Tsukamoto, Masatoshi Yamasaki
  • Green fluorescent proteins and blue fluorescent proteins
    Publication number: 20020099170
    Abstract: This invention relates to novel fluorescent GFPs and BFPS. A novel BFP according to this invention has an F64L mutation as well as a L236R mutation and is provided with improved fluorescence. Furthermore, another BFP has the F64L mutation with the characteristics as described above and other mutations, V163A and S175G, and it possesses markedly improved characteristics in the expression at 37 ° C. in addition to those as described above.
    Type: Application
    Filed: May 10, 2001
    Publication date: July 25, 2002
    Applicant: Takashi Osumi
    Inventors: Takashi Osumi, Toshiro Tsukamoto, Noriyo Tsukamoto, Masatoshi Yamasaki
  • Green fluorescent proteins and blue fluorescent proteins
    Patent number: 6194548
    Abstract: This invention relates to novel fluorescent GFPs and BFPs. A novel BFP according to this invention has an F64L mutation as well as a L236R mutation and is provided with improved fluorescence. Furthermore, another BFP has the F64L mutation with the characteristics as described above and other mutations, V163A and S175G, and it possesses markedly improved characteristics in the expression at 37° C. in addition to those as described above.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: February 27, 2001
    Assignee: Takashi Osumi
    Inventors: Takashi Osumi, Toshiro Tsukamoto, Noriyo Tsukamoto, Masatoshi Yamasaki