Patents by Inventor Yoko Masuzawa

Yoko Masuzawa 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: 9192624
    Abstract: The present invention aims to provide a medical material which is safe for the live body, has high biocompatibility and is useful for promotion of cell differentiation. The present invention produces a medical material for promoting cell differentiation, which contains polyamino acid as a main component, wherein the polyamino acid contains at least one kind of amino acid residue selected from the group consisting of an alanine residue, a valine residue, a leucine residue, an isoleucine residue, a phenylalanine residue, a glycine residue, a glutamine residue, an aspartic acid residue optionally containing a protecting group in the side chain, a tyrosine residue optionally containing a protecting group in the side chain, a tryptophan residue optionally containing a protecting group in the side chain, a lysine residue optionally containing a protecting group in the side chain, and a glutamic acid residue optionally containing a protecting group in the side chain.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: November 24, 2015
    Assignee: AJINOMOTO CO., INC.
    Inventors: Manabu Kitazawa, Satoru Ohashi, Yoko Masuzawa, Kousaku Ohkawa, Yasuhiko Tabata
  • Publication number: 20130266620
    Abstract: The present invention aims to provide a medical material which is safe for the live body, has high biocompatibility and is useful for promotion of cell differentiation. The present invention produces a medical material for promoting cell differentiation, which contains polyamino acid as a main component, wherein the polyamino acid contains at least one kind of amino acid residue selected from the group consisting of an alanine residue, a valine residue, a leucine residue, an isoleucine residue, a phenylalanine residue, a glycine residue, a glutamine residue, an aspartic acid residue optionally containing a protecting group in the side chain, a tyrosine residue optionally containing a protecting group in the side chain, a tryptophan residue optionally containing a protecting group in the side chain, a lysine residue optionally containing a protecting group in the side chain, and a glutamic acid residue optionally containing a protecting group in the side chain.
    Type: Application
    Filed: June 6, 2013
    Publication date: October 10, 2013
    Inventors: Manabu Kitazawa, Satoru Ohashi, Yoko Masuzawa, Kousaku Ohkawa, Yasuhiko Tabata
  • Patent number: 8299064
    Abstract: The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes. wherein R represents an alkoxy group, R? represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R? represent a hydrogen atom.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: October 30, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Ryusuke Hirama, Seiji Niwa, Hideyuki Tanaka, Toshihiro Hatanaka, Yoko Masuzawa, Akiyo Yamazaki, Takao Ikenoue, Nobuo Kondo, Wataru Miyanaga, Masaru Takayanagi
  • Publication number: 20110160191
    Abstract: The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes. wherein R represents an alkoxy group, R? represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R? represent a hydrogen atom.
    Type: Application
    Filed: March 4, 2011
    Publication date: June 30, 2011
    Applicant: Ajinomoto Co., Inc.
    Inventors: Ryusuke HIRAMA, Seiji Niwa, Hideyuki Tanaka, Toshihiro Hatanaka, Yoko Masuzawa, Akiyo Yamazaki, Takao Ikenoue, Nobuo Kondo, Wataru Miyanaga, Masaru Takayanagi
  • Patent number: 7928101
    Abstract: The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes. wherein R represents an alkoxy group, R? represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R? represent a hydrogen atom.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: April 19, 2011
    Assignee: Ajinomoto Co., Inc.
    Inventors: Ryusuke Hirama, Seiji Niwa, Hideyuki Tanaka, Toshihiro Hatanaka, Yoko Masuzawa, Akiyo Yamazaki, Takao Ikenoue, Nobuo Kondo, Wataru Miyanaga, Masaru Takayanagi
  • Patent number: 7632830
    Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: December 15, 2009
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yukio Iino, Takao Ikenoue, Nobuo Kondo, Hiroyuki Matsueda, Toshihiro Hatanaka, Ryusuke Hirama, Yoko Masuzawa, Fumio Ohta, Akiyo Yamazaki, Seiji Niwa, Takashi Yamamoto
  • Patent number: 7402696
    Abstract: The present invention provides novel benzene compounds presented by the following formulas, and analogs thereof, that exert an ACC activity-inhibiting effect that is effective in the treatment of obesity, hyperlipemia, fatty liver, hyperglycemia, impaired glucose tolerance, diabetes, diabetic complications (diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, and diabetic macroangiopathy, hypertension, arteriosclerosis), hypertension, and arteriosclerosis.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: July 22, 2008
    Assignee: Ajinomoto Co., Inc.
    Inventors: Nobuyasu Suzuki, Yukio Nihei, Hidehiro Ichinose, Hideyuki Tanaka, Noriko Yasa, Toshihiro Hatanaka, Yoko Masuzawa, Eiji Nakanishi, Nobuo Kondo
  • Publication number: 20080096862
    Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.
    Type: Application
    Filed: November 30, 2007
    Publication date: April 24, 2008
    Applicant: Ajinomoto Co., Inc.
    Inventors: Yukio IINO, Takao Ikenoue, Nobuo Kondo, Hiroyuki Matsueda, Toshihiro Hatanaka, Ryusuke Hirama, Yoko Masuzawa, Fumio Ohta, Akiyo Yamazaki, Seiji Niwa, Takashi Yamamoto
  • Patent number: 7326701
    Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: February 5, 2008
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yukio Iino, Takao Ikenoue, Nobuo Kondo, Hiroyuki Matsueda, Toshihiro Hatanaka, Ryusuke Hirama, Yoko Masuzawa, Fumio Ohta, Akiyo Yamazaki, Seiji Niwa, Takashi Yamamoto
  • Patent number: 7247645
    Abstract: Compounds having a selective N-type calcium channel antagonistic activity are provided. Dihydropyridine derivatives represented by the following formula: analogs thereof and pharmaceutically acceptable salts thereof have an activity of selectively inhibiting the action of N-type calcium channel, and they are used as therapeutic agents for various diseases relating to N-type calcium channel.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: July 24, 2007
    Assignee: Ajinomoto Co., Inc.
    Inventors: Chika Nakanishi, Yoko Masuzawa, Masako Hagihara, Takashi Yamamoto, Hiroyuki Matsueda, Seiji Ohno, Seiji Niwa, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Yuki Kajigaya, Hajime Koganei
  • Publication number: 20070105899
    Abstract: The present invention provides novel benzene compounds presented by the following formulas, and analogs thereof, that exert an ACC activity-inhibiting effect that is effective in the treatment of obesity, hyperlipemia, fatty liver, hyperglycemia, impaired glucose tolerance, diabetes, diabetic complications (diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, and diabetic macroangiopathy, hypertension, arteriosclerosis), hypertension, and arteriosclerosis.
    Type: Application
    Filed: October 13, 2006
    Publication date: May 10, 2007
    Inventors: Nobuyasu SUZUKI, Yukio Nihei, Hidehiro Ichinose, Hideyuki Tanaka, Noriko Yasa, Toshihiro Hatanaka, Yoko Masuzawa, Eiji Nakanishi, Nobuo Kondo
  • Patent number: 7153850
    Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: December 26, 2006
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yukio Iino, Takao Ikenoue, Nobuo Kondo, Hiroyuki Matsueda, Toshihiro Hatanaka, Ryusuke Hirama, Yoko Masuzawa, Fumio Ohta, Akiyo Yamazaki, Seiji Niwa, Takashi Yamamoto
  • Publication number: 20060194789
    Abstract: The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes. wherein R represents an alkoxy group, R? represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R? represent a hydrogen atom.
    Type: Application
    Filed: May 1, 2006
    Publication date: August 31, 2006
    Applicant: Ajinomoto Co., Inc.
    Inventors: Ryusuke Hirama, Seiji Niwa, Hideyuki Tanaka, Toshihiro Hatanaka, Yoko Masuzawa, Akiyo Yamazaki, Takao Ikenoue, Nobuo Kondo, Wataru Miyanaga, Masaru Takayanagi
  • Publication number: 20060189597
    Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.
    Type: Application
    Filed: April 6, 2006
    Publication date: August 24, 2006
    Applicant: Ajinomoto Co., Inc.
    Inventors: Yukio Ilno, Takao Ikenoue, Nobuo Kondo, Hiroyuki Matsueda, Toshihiro Hatanaka, Ryusuke Hirama, Yoko Masuzawa, Fumio Ohta, Akiyo Yamazaki, Seiji Niwa, Takashi Yamamoto
  • Publication number: 20040048847
    Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.
    Type: Application
    Filed: June 2, 2003
    Publication date: March 11, 2004
    Applicant: AJINOMOTO CO. INC
    Inventors: Yukio Iino, Takao Ikenoue, Nobuo Kondo, Hiroyuki Matsueda, Toshihiro Hatanaka, Ryusuke Hirama, Yoko Masuzawa, Fumio Ohta, Akiyo Yamazaki
  • Publication number: 20020147222
    Abstract: Compounds having a selective N-type calcium channel antagonistic activity are provided.
    Type: Application
    Filed: December 20, 2001
    Publication date: October 10, 2002
    Applicant: AJINOMOTO CO. INC
    Inventors: Chika Nakanishi, Yoko Masuzawa, Masako Hagihara, Takashi Yamamoto, Hiroyuki Matsueda, Seiji Ohno, Seiji Niwa, Morikazu Kito, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Yuki Kajigaya, Hajime Koganei