Patents by Inventor Kazuo Nagai

Kazuo Nagai 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: 10112501
    Abstract: A power storage device includes a power storage unit including one or a plurality of cells, a first controller for performing control relating to the power storage unit, a first power line for supplying a first power to be output from the power storage unit to a load, a second power line for supplying a second power smaller than the first power to a second controller included in an external device, and a communication line used by the first and second controllers to communicate with each other.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: October 30, 2018
    Assignee: SONY CORPORATION
    Inventors: Yoshihito Ishibashi, Kazuo Nagai, Rui Kamada, Junichi Sawada, Kazuhiro Toma
  • Publication number: 20160200214
    Abstract: A battery apparatus and an electric vehicle including the battery apparatus are provided. The battery apparatus including a first battery module and a second battery module that are connected in parallel and have different characteristics, wherein a first maximum output voltage of the first battery module is set to be larger than a second maximum output voltage of the second battery module, and a first use range of the first battery module is set to differ from a second use range of the second battery module.
    Type: Application
    Filed: July 30, 2014
    Publication date: July 14, 2016
    Inventors: Yoshihito ISHIBASHI, Rui KAMADA, Kazuo NAGAI
  • Publication number: 20160059730
    Abstract: A power storage device includes a power storage unit including one or a plurality of cells, a first controller for performing control relating to the power storage unit, a first power line for supplying a first power to be output from the power storage unit to a load, a second power line for supplying a second power smaller than the first power to a second controller included in an external device, and a communication line used by the first and second controllers to communicate with each other.
    Type: Application
    Filed: January 16, 2014
    Publication date: March 3, 2016
    Inventors: Yoshihito ISHIBASHI, Kazuo NAGAI, Rui KAMADA, Junichi SAWADA, Kazuhiro TOMA
  • Patent number: 8822705
    Abstract: The present invention provides a highly safe pharmaceutical composition for preventing and/or treating bone disease, a pharmaceutical preparation comprising thereof, a health food comprising thereof, a functional food comprising thereof. Since the present invention comprises the arylheptanoid compound shown in the following formula (I) and the derivatives thereof, it enables to prevent and/or treat the bone disease. (In the formula (I), R1 and R5 are a functional group selected from the group consisting of a hydrogen atom, alkyl group having carbon numbers 1 to 3, monosaccharide and disaccharide; R2, R3, and R4 are a functional group selected from the group consisting of a hydrogen atom, an oxygen atom, alkyl group having carbon numbers 1 to 3, monosaccharide and disaccharide; R5 may be bound on meta-position against heptylene group of another aryl group to form a ring.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: September 2, 2014
    Inventors: Je-Tae Woo, Masato Ohta, Takayuki Yonezama, Toshiaki Teruya, Byung-Yoon Cha, Kazuo Nagai, Toshihiro Akihisa, Hiroyuki Akazawa
  • Publication number: 20140212478
    Abstract: The present invention provides a pharmaceutical composition for preventing and/or treating periodontal disease comprising at least one having dental root-periodontal tissue formation promotion effect selected from the group consisting of a compound shown in a following formula (I). (In the formula, R1 and R2 are independently functional groups selected from a group consisting of a substituted or non-substituted group of a linear alkyl group, a branched alkyl group, a linear alkenyl group and a branched alkenyl group with having the carbon number of 3 to 5. R?1 and R?2 are independently a hydrogen atom, hydroxyl group, or alkoxy group having the carbon number of 1 to 3.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Inventor: Kazuo NAGAI
  • Patent number: 8729279
    Abstract: Agents or pharmaceutical compositions for promoting osteoblast differentiation include purified auraptene or coumarin analogs thereof represented by the following formula 1: wherein R1 represents a hydrogen, a hydroxy, a methoxy, a methyl, an ethyl, a propyl, a carboxyl, a carboxymethyl, or a carboxyethyl; R2 represents a hydrogen, a hydroxy, a methoxy, a methyl, an ethyl, a propyl, a carboxyl, a carboxymethyl, a carboxyethyl or a coumarinyl; R3 represents a hydrogen, a hydroxy, a methoxy, a methyl, an ethyl, a propyl, a carboxyl, a carboxymethyl or a carboxyethyl; and R4 represents a hydrogen, a C1-C15 liner or branched alkyl, an alkenyl, an alkadienyl or an alkatrienyl.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: May 20, 2014
    Assignee: Erina Co., Inc.
    Inventors: Je-Tae Woo, Ayaka Hibino, Takayuki Yonezawa, Midori Asai, Toshiaki Teruya, Byung-Yoon Cha, Kazuo Nagai
  • Publication number: 20130253048
    Abstract: Provided is a composition that, even when used in a very small amount, has the effect of improving bone density and promoting bone growth, and has few side effects, and also provided are a pharmaceutical preparation for promoting bone growth, functional food product, and health food product containing the composition as an active ingredient. The composition can be obtained from any plant part selected from the group consisting of the bud, leaf, bark or wood of a plant belonging to the family Magnoliaceae. The composition comprises at least one selected from the group consisting of fargesin and physiologically acceptable salts, hydrates, and glycosides thereof. The pharmaceutical preparation, functional food product, and health food product comprising this composition as an active ingredient sufficiently improve bone density and promote bone growth, even when used in small amounts, and therefore realize preventive and/or therapeutic effects against bone disease etc. such as osteoporosis.
    Type: Application
    Filed: January 11, 2013
    Publication date: September 26, 2013
    Applicant: ERINA CO., INC.
    Inventors: Midori ASAI, Young-Sil Lee, Naomi MASE, Bong-Keun CHOI, Byung-Yoon CHA, Takayuki YONEZAWA, Toshiaki TERUYA, Kazuo NAGAI, Je-Tae WOO
  • Publication number: 20130102796
    Abstract: Agents or pharmaceutical compositions for promoting osteoblast differentiation include purified auraptene or coumarin analogs thereof represented by the following formula 1: wherein R1 represents a hydrogen, a hydroxy, a methoxy, a methyl, an ethyl, a propyl, a carboxyl, a carboxymethyl, or a carboxyethyl; R2 represents a hydrogen, a hydroxy, a methoxy, a methyl, an ethyl, a propyl, a carboxyl, a carboxymethyl, a carboxyethyl or a coumarinyl; R3 represents a hydrogen, a hydroxy, a methoxy, a methyl, an ethyl, a propyl, a carboxyl, a carboxymethyl or a carboxyethyl; and R4 represents a hydrogen, a C1-C15 liner or branched alkyl, an alkenyl, an alkadienyl or an alkatrienyl.
    Type: Application
    Filed: February 28, 2011
    Publication date: April 25, 2013
    Applicant: ERINA CO., INC.
    Inventors: Je-Tae Woo, Ayaka Hibino, Takayuki Yonezawa, Midori Asai, Toshiaki Teruya, Byung-Yoon Cha, Kazuo Nagai
  • Publication number: 20120196927
    Abstract: A method for screening a substance for treating visceral adiposity syndrome comprises: (1) extracting a total RNA fraction from skeletal muscle collected from non-human mammals of a group to which a predetermined amount of the test substance has been administered and from non-human mammals of a group to which the test substance has not been administered; (2) quantifying the expression quantity of mRNA in the total RNA fraction extracted that encodes a glucose transporter gene by a specific method; and (3) comparing and analyzing the quantity of the test substance ingested, the body weight gain, and the expression quantity of RNA encoding the glucose transporter gene during the administration period for the non-human mammals of the test substance-administered group to these quantities for the non-human mammals that constitute the test substance-unadministered group to thereby determine the effect of the test substance on the metabolic syndrome.
    Type: Application
    Filed: November 15, 2011
    Publication date: August 2, 2012
    Applicant: ERINA CO., INC.
    Inventors: Young-Sil Lee, Byung-Yoon Cha, Xiao-Xing Wang, Sun-Sil Choi, Bong-Keun Choi, Hiroshi Yamakawa, Kiyoto Saito, Takayuki Yonezawa, Toshiaki Teruya, Kazuo Nagai, Je-Tae Woo
  • Patent number: 7803844
    Abstract: The present invention provides the pharmaceutical compositions, the pharmaceutical preparations thereof as an active ingredient, the health food, the food with health-promoting benefits and the like. The present invention provides the above-mentioned pharmaceutical preparations and the like comprising at least one of the compound shown in the following formula (I), physiologically acceptable salt thereof, or hydrate thereof. (wherein, R?1, R?2, and R?3 are independently a hydrogen atom, OH, or alkoxy group having C1 to C3, respectively. R1, R2, and R3 are independently a hydrogen atom or alkenyl group having C3 to C5, respectively).
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: September 28, 2010
    Assignee: Erina Co. Inc.
    Inventors: Kun-Hyung Lee, Byung-Yoon Cha, Takayuki Yonezawa, Shinichi Hasegawa, Je-Tae Woo, Kazuo Nagai
  • Publication number: 20100130622
    Abstract: The present invention provides a pharmaceutical composition for preventing and/or treating periodontal disease comprising at least one having dental root-periodontal tissue formation promotion effect selected from the group consisting of a compound shown in a following formula (I). (In the formula, R1 and R2 are independently functional groups selected from a group consisting of a substituted or non-substituted group of a linear alkyl group, a branched alkyl group, a linear alkenyl group and a branched alkenyl group with having the carbon number of 3 to 5. R?1 and R?2 are independently a hydrogen atom, hydroxyl group, or alkoxy group having the carbon number of 1 to 3.
    Type: Application
    Filed: November 21, 2008
    Publication date: May 27, 2010
    Inventors: Je-Tae WOO, Masato Ohta, Takayuki Yonezawa, Toshiaki Teruya, Byung-Yoon Cha, Kazuo Nagai
  • Patent number: 7709537
    Abstract: This invention relates to drinks and foods having osteogenetic function, each of which comprises as an active ingredient an effective amount of a culture of a propionic acid bacterium and/or a lactic acid bacterium, said culture containing 2-amino-3-carboxy-1,4-naphthoquinone; and preventives and/or remedies for metabolic bone diseases, each of which comprises as an active ingredient a naphthoquinone compound selected from the group consisting of 2-amino-3-carboxy-1,4-naphthoquinone, 1,4-naphthoquinone, 2-hydroxy-1,4-naphthoquinone, 2,3-dichloro-1,4-naphthoquinone, 5-hydroxy-1,4-naphthoquinone, 8-hydroxy-1,4-naphthoquinone, 2-(?-hydroxy-?-methylpentenyl)-5,8-dihydroxy-1,4-naphthoquinone and salts thereof. These cultures and naphthoquinones promote bone metabolism and increase bone mass and bone strength.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: May 4, 2010
    Assignee: Meiji Dairiese Corporation
    Inventors: Kazuo Nagai, Jetae Woo, Yoshiro Sato, Kouichiro Hashimoto, Naoki Taketomo, Nobuo Yoda, Hiroshi Tsuchida
  • Publication number: 20090227527
    Abstract: The present invention provides a highly safe pharmaceutical composition for preventing and/or treating bone disease, a pharmaceutical preparation comprising thereof, a health food comprising thereof, a functional food comprising thereof. Since the present invention comprises the arylheptanoid compound shown in the following formula (I) and the derivatives thereof, it enables to prevent and/or treat the bone disease. (In the formula (I), R1 and R5 are a functional group selected from the group consisting of a hydrogen atom, alkyl group having carbon numbers 1 to 3, monosaccharide and disaccharide; R2, R3, and R4 are a functional group selected from the group consisting of a hydrogen atom, an oxygen atom, alkyl group having carbon numbers 1 to 3, monosaccharide and disaccharide; R5 may be bound on meta-position against heptylene group of another aryl group to form a ring.
    Type: Application
    Filed: January 30, 2009
    Publication date: September 10, 2009
    Inventors: Je-Tae Woo, Masato Ohta, Takayuki Yonezama, Toshiaki Teruya, Byung-Yoon Cha, Kazuo Nagai, Toshihiro Akihisa, Hiroyuki Akazawa
  • Publication number: 20070232703
    Abstract: The present invention provides the pharmaceutical compositions, the pharmaceutical preparations thereof as an active ingredient, the health food, the food with health-promoting benefits and the like. The present invention provides the above-mentioned pharmaceutical preparations and the like comprising at least one of the compound shown in the following formula (I), physiologically acceptable salt thereof, or hydrate thereof. (wherein, R?1, R?2, and R?3 are independently a hydrogen atom, OH, or alkoxy group having C1 to C3, respectively. R1, R2, and R3 are independently a hydrogen atom or alkenyl group having C3 to C5, respectively).
    Type: Application
    Filed: February 20, 2007
    Publication date: October 4, 2007
    Applicant: ERINA CO. INC.
    Inventors: Kun-Hyung Lee, Byung-Yoon Cha, Takayuki Yonezawa, Shinichi Hasegawa, Je-Tae Woo, Kazuo Nagai
  • Patent number: 7223587
    Abstract: The present invention relates to a protein having an activity of giving a lysozyme insensitivity to a lysozyme-sensitive microorganism belonging to Corynebacterium glutamicum; DNA which codes for the protein; a recombinant vector containing the DNA; a transformant obtained by introducing the recombinant vector into a host cell; a bacterium having a lysozyme sensitivity in which the activity of the protein is inactivated; and a method for producing an amino acid using the bacterium.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: May 29, 2007
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Kazuo Nagai, Masaaki Wachi
  • Publication number: 20060173069
    Abstract: The present invention has an object to provide a novel therapeutic agent for hypercalcemia and bone diseases, and a novel compound capable of being used as an active ingredient of the therapeutic agent. The present invention is a therapeutic agent for hypercalcemia or bone diseases, comprising as an active ingredient a reveromycin A derivative represented by the general formula (I) or a pharmaceutically acceptable salt thereof. (R represents a hydroxyl-protecting group releasable under acidic conditions.
    Type: Application
    Filed: July 15, 2004
    Publication date: August 3, 2006
    Applicant: RIKEN
    Inventors: Hiroyuki Osada, Kiyotaka Machida, Takeshi Shimizu, Tadashi Nakata, Toshimasa Shinki, Je-Tae Woo, Kazuo Nagai
  • Publication number: 20060093651
    Abstract: This invention relates to drinks and foods having osteogenetic function, each of which comprises as an active ingredient an effective amount of a culture of a propionic acid bacterium and/or a lactic acid bacterium, said culture containing 2-amino-3-carboxy-1,4-naphthoquinone; and preventives and/or remedies for metabolic bone diseases, each of which comprises as an active ingredient a naphthoquinone compound selected from the group consisting of 2-amino-3-carboxy-1,4-naphthoquinone, 1,4-naphthoquinone, 2-hydroxy-1,4-naphthoquinone, 2,3-dichloro-1,4-naphthoquinone, 5-hydroxy-1,4-naphthoquinone, 8-hydroxy-1,4-naphthoquinone, 2-(?-hydroxy-?-methylpentenyl)-5,8-dihydroxy-1,4-naphthoquinone and salts thereof. These cultures and naphthoquinones promote bone metabolism and increase bone mass and bone strength.
    Type: Application
    Filed: December 7, 2005
    Publication date: May 4, 2006
    Applicant: MEIJI DAIRIES CORPORATION
    Inventors: Kazuo Nagai, Jetae Woo, Yoshiro Sato, Kouichiro Hashimoto, Naoki Taketomo, Nobuo Yoda, Hiroshi Tsuchida
  • Patent number: 7033802
    Abstract: The present invention relates to a penicillin binding protein, DNA encoding the protein and methods of producing L-glutamic acid in Corynebacterium glutamicum, which has a reduction of penicillin binding protein activity.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: April 25, 2006
    Assignee: Ajinomoto Co., Inc.
    Inventors: Masaaki Wachi, Kazuo Nagai
  • Patent number: 6911326
    Abstract: The present invention relates to a polypeptide having the activity of N-acetylglucosamine-1-phosphate uridyltransferase (hereinafter referred to as GlmU), a DNA coding for the polypeptide, a recombinant DNA containing the DNA, a transformant carrying the recombinant DNA, a method of culturing the transformant for producing the GlmU polypeptide, and a method of culturing the transformant for producing uridine 5?-diphosphate-N-acetylglucosamine. According to the present invention, mass-scale production of the GlmU polypeptide derived from microorganisms belonging to the genus Corynebacterium glutamicum has been enabled by genetic recombinant technology. By using the enzyme, uridine 5?-diphosphate-N-acetylglucosamine can be produced efficiently.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: June 28, 2005
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Kazuo Nagai, Masaaki Wachi
  • Publication number: 20050054062
    Abstract: The present invention relates to a protein having an activity of giving a lysozyme insensitivity to a lysozyme-sensitive microorganism belonging to Corynebacterium glutamicum; DNA which codes for the protein; a recombinant vector containing the DNA; a transformant obtained by introducing the recombinant vector into a host cell; a bacterium having a lysozyme sensitivity in which the activity of the protein is inactivated; and a method for producing an amino acid using the bacterium.
    Type: Application
    Filed: September 16, 2004
    Publication date: March 10, 2005
    Inventors: Kazuo Nagai, Masaaki Wachi