Patents by Inventor Yoshikatsu Hirai
Yoshikatsu Hirai 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).
-
Patent number: 6107465Abstract: A homogeneous interleukin 1.beta. (IL-1.beta.), its derivative having a modified amino acid sequence of IL-1.beta., a gene coding for said derivative, medical composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.beta. and the derivative.Type: GrantFiled: March 10, 1987Date of Patent: August 22, 2000Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
-
Patent number: 5849282Abstract: This invention provides an anti-tumor agent and a method for treating a tumor wherein gamma-interferon and interleukin-1 are used as active ingredients.Type: GrantFiled: December 23, 1993Date of Patent: December 15, 1998Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Kazuyoshi Kawai, Yasue Konishi, Satoru Nakai, Yoshikatsu Hirai
-
Patent number: 5847098Abstract: A homogeneous interleukin 1.beta. (IL-1.beta.), its derivative having a modified amino acid sequence of IL-1.beta., a gene coding for said derivative, medical composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.beta. and the derivative.Type: GrantFiled: June 7, 1995Date of Patent: December 8, 1998Assignee: Otsuka Pharmaceutcal Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
-
Patent number: 5837230Abstract: This invention provides medical uses of a M-CSF, particularly a method and composition for treating inflammatory disease and allergy using natural M-CSF or recombinant M-CSF or the derivatives thereof.Type: GrantFiled: June 5, 1995Date of Patent: November 17, 1998Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Masayuki Takahashi, Hiroyuki Ichikawa, Yoshikatsu Hirai
-
Patent number: 5756675Abstract: The present invention provides a medicament for treating thrombocytopenia comprising as an active component at least one polypeptide selected from IL-1 and derivative thereof and a Il-1.alpha. derivative having an amino acid sequence of the formula (.alpha.) which is so modified as to fulfill at least one of the requirements of: deletion of the 16-position Arg; replacement of the 16-position Arg by another amino acid residue; deletion of the sequence of the 1-position Ser to the 14-position Phe and deletion of the amino acid sequence of the 1-position Ser to the 15-position Met.Type: GrantFiled: June 6, 1994Date of Patent: May 26, 1998Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Yoshikatsu Hirai, Satoru Nakai, Koutoku Aihara, Kazuyoshi Kawai, Mayumi Kaneta, Takashi Kamogashira, Yoshihiro Masui
-
Patent number: 5702698Abstract: Methods are disclosed for promoting production of colony stimulating factor and inhibiting growth of Meth A tumor cells comprising administering a pharmaceutically effective amount of modified IL-1.alpha. to a subject.Type: GrantFiled: June 5, 1995Date of Patent: December 30, 1997Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
-
Patent number: 5650297Abstract: This invention relates to a biologically active recombinant human M-CSF obtained by expressing a human M-CSF gene coding for the amino acid sequence of the formula (1) in its entirety or devoid of a portion thereof; a process for preparing the recombinant human M-CSF; an expression plasmid containing the human M-CSF gene defined above; and a transformant haboring the above expression plasmid.Type: GrantFiled: July 27, 1994Date of Patent: July 22, 1997Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Masayuki Takahashi, Tohru Hirato, Satoru Nakai, Yeong-Man Hong, Naomi Kouno, Yoshikatsu Hirai
-
Patent number: 5543140Abstract: Methods for stimulating immunity, inhibiting tumor growth, promoting production of a cytokine, and preventing or inhibiting radiation injury by administration of Interleukin-1.alpha. (IL-1.alpha.) derivatives, are disclosed.Type: GrantFiled: June 1, 1994Date of Patent: August 6, 1996Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
-
Patent number: 5371204Abstract: An interleukin-1.alpha. (IL-1.alpha.) derivative having a modified amino acid sequence of IL-1.alpha., a gene coding for said derivative, medicinal composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.alpha..Type: GrantFiled: January 22, 1991Date of Patent: December 6, 1994Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
-
Patent number: 5348858Abstract: The present invention provides a monoclonal antibody characterized in that the antibody has specific reactivity on human IL-1.beta., and a process for producing the antibody. The invention also provides a method for detection of biologically active human IL-1.beta..Type: GrantFiled: January 6, 1992Date of Patent: September 20, 1994Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Setsuyoshi Uetsuki, Osamu Sato, Yasuo Nakayama, Yoshikatsu Hirai
-
Patent number: 5342615Abstract: Interleukin-1.alpha. (IL-1-.alpha.) and derivatives, and their pharmaceutical compositions for use in treating arthritis or inflammation.Type: GrantFiled: July 30, 1990Date of Patent: August 30, 1994Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Yoshikatsu Hirai
-
Patent number: 5342614Abstract: Interleukin-1.beta. (IL-1.beta.) and derivatives, and their pharmaceutical compositions for use in treating arthritis or inflammation.Type: GrantFiled: March 26, 1990Date of Patent: August 30, 1994Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Yoshikatsu Hirai
-
Patent number: 5217714Abstract: A method for testing the inducibility of the hypothalamus to effect the secretion of andrenocorticotropic hormone comprising the steps of:(a) administering to a test subject a pharmaceutically effective amount of a derivative of human IL-1.beta. selected from the group consisting of human IL-1.beta. [7-153], human IL-1.beta. [1-148], human IL-1.beta. [Gly.sup.4 ], human IL-1.beta. [Leu.sup.93 ] and human IL-1.beta. [des Arg.sup.98]; and(b) measuring an increase in blood levels of at least one of adrenocorticotropic hormone, cortisol and corticotropin-releasing hormone,wherein the degree of increase in said blood levels of at least one of adrenocorticotropic hormone, cortisol and corticotropin-releasing hormone, corresponds to the degree of inducibility of the hypothalamus and is not substantially due to the induction of fever.Type: GrantFiled: September 19, 1989Date of Patent: June 8, 1993Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Hiroo Imura, Junichi Fukata, Yoshikatsu Hirai
-
Patent number: 5120534Abstract: The present invention provides a medicament for treating thrombocytopenia comprising as an active component at least one polypeptide selected from IL-1 and derivative thereof and a IL-1.alpha. derivative having an amino acid sequence of the formula (.alpha.) which is so modified as to fulfill at least one of the requirements of: deletion of the 16-position Arg; replacement of the 16-position Arg by another amino acid residue; deletion of the sequence of the 1-position Ser to the 14-position Phe and deletion of the amino acid sequence of the 1-position Ser to the 15-position Met.Type: GrantFiled: July 28, 1989Date of Patent: June 9, 1992Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Yoshikatsu Hirai, Satoru Nakai, Koutoku Aihara, Kazuyoshi Kawai, Mayumi Kaneta, Takashi Kamogashira, Yoshihiro Masui
-
Patent number: 5008374Abstract: An interleukin-1.alpha. (IL-1.alpha.) derivative having a modified amino acid sequence of IL-1.alpha., a gene coding for said derivative, medicinal composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.alpha..Type: GrantFiled: March 9, 1987Date of Patent: April 16, 1991Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
-
Patent number: 4898818Abstract: This invention provides an antitumor active substance GIF, a process for preparing the same, an antitumor composition containing the substance, a gene coding for GIF, a vector containing the gene and a recombinant microorganism, the substance GIF comprises as its component protein polypeptide A of the following primary structure. ##STR1## wherein X is Cys or Ser and Z is H or a peptide represented by the amino acid sequence ##STR2## or a peptide having the above sequence wherein at least one amino acid is removed from the N terminal or an amino acid.Type: GrantFiled: December 19, 1985Date of Patent: February 6, 1990Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
-
Patent number: 4675291Abstract: This invention provides a novel cultured cell line which is derived from human T leukemic cells and which produces a colony-stimulating factor (CSF). This invention also provides a process for preparing such human cultured cell line, and a process of producing a CSF from such cell line.Type: GrantFiled: March 6, 1984Date of Patent: June 23, 1987Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Yuichi Yamamura, Tadamitsu Kishimoto, Satoru Nakai, Yoshikatsu Hirai