Patents by Inventor Chieko Ejima

Chieko Ejima 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).

  • Phenylalanine derivatives
    Patent number: 7160874
    Abstract: Specified phenylalanine derivatives and analogues thereof have an antagonistic activity to ?4 integrin. They are used as therapeutic agents for various diseases concerning ?4 integrin.
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: January 9, 2007
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yasuhiro Tanaka, Toshihiko Yoshimura, Hiroyuki Izawa, Chieko Ejima, Mitsuhiko Kojima, Yuko Satake, Eiji Nakanishi, Nobuyasu Suzuki, Shingo Makino, Manabu Suzuki, Masahiro Murata
  • Phenylalanine derivatives
    Publication number: 20050070485
    Abstract: Specified phenylalanine derivatives and analogues thereof have an antagonistic activity to ?4 integrin. They are used as therapeutic agents for various diseases concerning ?4 integrin.
    Type: Application
    Filed: November 15, 2004
    Publication date: March 31, 2005
    Applicant: Ajinomoto Co., Inc.
    Inventors: Yasuhiro Tanaka, Toshihiko Yoshimura, Hiroyuki Izawa, Chieko Ejima, Mitsuhiko Kojima, Yuko Satake, Eiji Nakanishi, Nobuyasu Suzuki, Shingo Makino, Manabu Suzuki, Masahiro Murata
  • Phenylalanine derivatives
    Patent number: 6855706
    Abstract: Specified phenylalanine derivatives and analogues thereof have an antagonistic activity to ? 4 integrin. They are used as therapeutic agents for various diseases concerning ? 4 integrin.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: February 15, 2005
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yasuhiro Tanaka, Toshihiko Yoshimura, Hiroyuki Izawa, Chieko Ejima, Mitsuhiko Kojima, Yuko Satake, Eiji Nakanishi, Nobuyasu Suzuki, Shingo Makino, Manabu Suzuki, Masahiro Murata
  • Modified physiologically active proteins and medicinal compositions containing the same
    Patent number: 6620916
    Abstract: The present invention relates to a modified physiologically active protein, modified physiologically active proteins produced by the process and pharmaceutical compositions containing the same.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: September 16, 2003
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yoshiyuki Takahara, Haruya Sato, Eiko Hayashi, Masanobu Yatagai, Manabu Suzuki, Tomoyuki Tabata, Chieko Ejima
  • Phenylalanine derivatives
    Patent number: 6610710
    Abstract: Phenylalanine derivatives of the following formula and analogues thereof have an antagonistic activity to &agr;4&bgr;7 integrin and a selectivity toward &agr;4&bgr;1 integrin. They are used as therapeutic agents for various diseases to which &agr;4&bgr;7 integrin relates.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: August 26, 2003
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yasuhiro Tanaka, Toshihiko Yoshimura, Chieko Ejima, Mitsuhiko Kojima, Eiji Nakanishi, Hiroyuki Izawa, Yuko Satake, Nobuyasu Suzuki, Manabu Suzuki, Masahiro Murata
  • Phenylalanine derivatives
    Publication number: 20030149083
    Abstract: Specified phenylalanine derivatives and analogues thereof have an antagonistic activity to &agr; 4 integrin. They are used as therapeutic agents for various diseases concerning &agr; 4 integrin.
    Type: Application
    Filed: May 20, 2002
    Publication date: August 7, 2003
    Applicant: AJINOMOTO CO. INC
    Inventors: Yasuhiro Tanaka, Toshihiko Yoshimura, Hiroyuki Izawa, Chieko Ejima, Mitsuhiko Kojima, Yuko Satake, Eiji Nakanishi, Nobuyasu Suzuki, Shingo Makino, Manabu Suzuki, Masahiro Murata
  • New phenylalanine derivatives
    Publication number: 20030114490
    Abstract: Phenylalanine derivatives of the following formula and analogues thereof have an antagonistic activity to &agr;4&bgr;7 integrin and a selectivity toward &agr;4&bgr;1 integrin. They are used as therapeutic agents for various diseases to which &agr;4&bgr;7 integrin relates.
    Type: Application
    Filed: June 28, 2002
    Publication date: June 19, 2003
    Applicant: AJINOMOTO CO. INC
    Inventors: Yasuhiro Tanaka, Toshihiko Yoshimura, Chieko Ejima, Mitsuhiko Kojima, Eiji Nakanishi, Hiroyuki Izawa, Yuko Satake, Nobuyasu Suzuki, Manabu Suzuki, Masahiro Murata