Patents by Inventor Yasuhiko Masuho
Yasuhiko Masuho 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).
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Publication number: 20190367630Abstract: The present inventors generated modified antibodies in which several Fc domains are linked in tandem to the C terminus of the heavy chain, and modified antibodies in which Fc domains are linked in tandem via spacers, and measured the affinity for Fc receptors, CDC activity, and ADCC activity. A previous report indicated that CDC activity is not enhanced by linking multiple Fcs. However, the modified antibodies of the preset invention exhibited enhanced ADCC activity. The methods of the present invention enable provision of antibody pharmaceuticals having a marked therapeutic effect.Type: ApplicationFiled: August 12, 2019Publication date: December 5, 2019Applicants: KM Biologics Co., Ltd., Teijin Pharma LimitedInventors: Yasuhiko Masuho, Hiroaki Nagashima
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Publication number: 20090311748Abstract: Novel full-length cDNAs are provided. cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: ApplicationFiled: July 13, 2009Publication date: December 17, 2009Applicant: Acceleron Pharma Inc.Inventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Publication number: 20090304715Abstract: The present inventors generated modified antibodies in which several Fc domains are linked in tandem to the C terminus of the heavy chain, and modified antibodies in which Fc domains are linked in tandem via spacers, and measured the affinity for Fc receptors, CDC activity, and ADCC activity. A previous report indicated that CDC activity is not enhanced by linking multiple Fcs. However, the modified antibodies of the present invention exhibited enhanced ADCC activity. The methods of the present invention enable provision of antibody pharmaceuticals having a marked therapeutic effect.Type: ApplicationFiled: March 2, 2007Publication date: December 10, 2009Applicant: TOKYO UNIVERSITY OF SCIENCEInventors: Yasuhiko Masuho, Hiroaki Nagashima
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Patent number: 7560541Abstract: Novel full-length cDNAs are provided. cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: GrantFiled: June 25, 2007Date of Patent: July 14, 2009Assignee: Acceleron Pharma, Inc.Inventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Publication number: 20080171353Abstract: The clone PLACE6002312 having a structure characteristic of G protein-coupled receptor was isolated from a human placental full-length cDNA library prepared by the oligo-capping method. Database search revealed that PLACE6002312 had the highest homology to HISTAMINE H2 RECEPTOR. Analysis for the expression of PLACE6002312 gene in human tissues revealed that the gene was expressed in various tissues, such as heart, liver, and ovary. In addition, histamine was found to be one of ligands for PLACE 6002312 by ligand-binding assay. Furthermore, a full-length cDNA for the mouse homolog of PLACE6002312 was isolated and the deduced amino acid sequence was revealed to comprise a structure characteristic of G protein-coupled receptor. PLACE6002312 can be used to screen for agonists and antagonists useful as pharmaceuticals and to diagnose various diseases caused by the abnormal activity or expression of the polypeptide.Type: ApplicationFiled: August 7, 2007Publication date: July 17, 2008Applicant: Astellas Pharma Inc.Inventors: Tomoyasu SUGIYAMA, Noriyuki Morikawa, Ai Wakamatsu, Tamaki Oda, Ryotaro Irie, Takao Isogai, Yasuhiko Masuho
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Publication number: 20080032304Abstract: cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: ApplicationFiled: June 25, 2007Publication date: February 7, 2008Inventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Patent number: 7193069Abstract: Novel full-length cDNAs are provided. 2443 cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: GrantFiled: March 28, 2002Date of Patent: March 20, 2007Assignee: Research Association for BiotechnologyInventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Publication number: 20070015163Abstract: Novel full-length cDNAs are provided. 1639 cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: ApplicationFiled: June 27, 2005Publication date: January 18, 2007Inventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Publication number: 20060105376Abstract: Novel full-length cDNAs are provided. 2443 cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: ApplicationFiled: December 5, 2005Publication date: May 18, 2006Inventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Publication number: 20060029945Abstract: Novel full-length cDNAs are provided. 1970 cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: ApplicationFiled: March 7, 2005Publication date: February 9, 2006Inventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Patent number: 6979557Abstract: Novel full-length cDNAs are provided. 1639 cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: GrantFiled: March 12, 2002Date of Patent: December 27, 2005Assignee: Research Association for BiotechnologyInventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Patent number: 6943241Abstract: Novel full-length cDNAs are provided. 1970 cDNA derived from human have been isolated. The full-length nucleotide sequences of the cDNA and amino acid sequences encoded by the nucleotide sequences have been determined. Because the cDNA of the present invention are full-length and contain the translation start site, they provide information useful for analyzing the functions of the polypeptide.Type: GrantFiled: March 25, 2002Date of Patent: September 13, 2005Assignee: Research Association for BiotechnologyInventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Publication number: 20040147720Abstract: The clone PLACE6002312 having a structure characteristic of G protein-coupled receptor was isolated from a human placental full-length cDNA library prepared by the oligo-capping method. Database search revealed that PLACE6002312 had the highest homology to HISTAMINE H2 RECEPTOR. Analysis for the expression of PLACE6002312 gene in human tissues revealed that the gene was expressed in various tissues, such as heart, liver, and ovary. In addition, histamine was found to be one of ligands for PLACE 6002312 by ligand-binding assay. Furthermore, a full-length cDNA for the mouse homolog of PLACE6002312 was isolated, and the deduced amino acid sequence was revealed to comprise a structure characteristic of G protein-coupled receptor. PLACE6002312 can be used to screen for agonists and antagonists useful as pharmaceuticals and to diagnose various diseases caused by the abnormal activity or expression of the polypeptide.Type: ApplicationFiled: February 9, 2004Publication date: July 29, 2004Inventors: Tomoyasu Sugiyama, Noriyuki Morikawa, Ai Wakamatsu, Tamaki Oda, Ryotaro Irie, Takao Isogai, Yasuhiko Masuho
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Publication number: 20040005560Abstract: Novel full-length cDNAs are provided.Type: ApplicationFiled: March 28, 2002Publication date: January 8, 2004Applicant: Helix Research InstituteInventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-Ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Publication number: 20030236392Abstract: Novel full-length cDNAs are provided.Type: ApplicationFiled: March 25, 2002Publication date: December 25, 2003Applicant: Helix Research InstituteInventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-lchi Yamamoto, Yuuko lsono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro lrie, lchiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Publication number: 20030219741Abstract: Novel full-length cDNAs are provided.Type: ApplicationFiled: March 12, 2002Publication date: November 27, 2003Applicant: Helix Research InstituteInventors: Takao Isogai, Tomoyasu Sugiyama, Tetsuji Otsuki, Ai Wakamatsu, Hiroyuki Sato, Shizuko Ishii, Jun-Ichi Yamamoto, Yuuko Isono, Yuri Hio, Kaoru Otsuka, Keiichi Nagai, Ryotaro Irie, Ichiro Tamechika, Naohiko Seki, Tsutomu Yoshikawa, Motoyuki Otsuka, Kenji Nagahari, Yasuhiko Masuho
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Patent number: 5783670Abstract: Human monoclonal antibodies which belong to the IgGl subclass and are specific for HIV are described. The monoclonal antibodies have potential for use in the diagnosis, prevention and therapy of HIV infection.Type: GrantFiled: June 7, 1995Date of Patent: July 21, 1998Assignees: The University of Arizona, Department of Internal Medicine, Section of Hematology and Oncology, Teijin LimitedInventors: Yasuhiko Masuho, Toru Sugano, Yoh-ichi Matsumoto, Takashi Kawamura, Evan Hersh, Eskild Petersen, Douglas Lake
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Patent number: 5695927Abstract: Human monoclonal antibodies which belong to the IgG1 subclass and are specific for HIV are described. The monoclonal antibodies have potential for use in the diagnosis, prevention and therapy of HIV infection.Type: GrantFiled: July 1, 1994Date of Patent: December 9, 1997Assignees: The University of Arizona, Department of Internal Medicine, Section of Hematology and Oncology, Teijin LimitedInventors: Yasuhiko Masuho, Toru Sugano, Yoh-ichi Matsumoto, Takashi Kawamura, Evan Hersh, Eskild Petersen, Douglas Lake
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Patent number: 5681707Abstract: A method of immunologically assaying intact human osteocalcin in a human assay sample is provided by using an antibody having an epitope in a region of an amino acid sequence 1 to 20 on the N-terminal side of human osteocalcinand an antibody having an epitope in a region of an amino acid sequence 36 to 49 on the C-terminal side of human osteocalcin. Furthermore, a method of immunologically assaying the total amount of human intact osteocalcin in a human assay sample is provided. A reagent and a kit therefor are also described, as well as a monclonal antibody and a polyclonal antibody used for the assay a process for producing these antibodies; and a process for use of these antibodies.Type: GrantFiled: June 5, 1995Date of Patent: October 28, 1997Assignee: Teijin LimitedInventors: Kenji Hosoda, Hitomi Honda, Takaharu Kubota, Yasuhiko Masuho
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Patent number: 5650319Abstract: The human monoclonal antibody to the glycoprotein gpIII of varicella zoster virus (VZV), and hybridoma producing same, are provided. The hybridoma is obtained by immunizing human lymphocytes with gpIII antigen in the presence of a mitogen, and selecting a monoclonal antibody which reacts with a cell monolayer ELISA plate but substantially does not react with a cell homogenate ELISA plate.Type: GrantFiled: July 12, 1993Date of Patent: July 22, 1997Assignee: Teijin LimitedInventors: Yasuhiko Masuho, Toru Sugano, Takami Tomiyama, Satoshi Sasaki, Tsuyoshi Kimura, Takashi Kawamura, Yohichi Matsumoto