Patents by Inventor Naoya Kobayashi

Naoya Kobayashi 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: 7919080
    Abstract: The present invention provides a cell line which can be substituted for ? cells in human mature pancreatic islets and express insulin in a glucose-concentration dependent manner, and enables the easy obtainment of the number of cells which meets the demand. The present invention also provides a therapeutical cell preparation for treating diabetes. The cell lines of the present invention can be obtained by integrating both a nucleotide sequence encoding tamoxifen-induced Cre recombinase and a nucleotide sequence encoding insulin regulated by glucose-sensitive promoter into the chromosome in a human immortalized hepatic cell line FERM BP-7498 containing the TERT gene inserted in between a pair of LoxP sequences.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: April 5, 2011
    Inventors: Naoya Kobayashi, Noriaki Tanaka, Teru Okitsu, Ji-Won Yoon, Hee-Sook Jun, Seungjin Shin
  • Patent number: 7914931
    Abstract: A separator for a rechargeable lithium battery, a rechargeable lithium battery including the same, and a method of manufacturing a rechargeable lithium battery. The separator includes a separating substrate; and an antistatic agent coated on the separating substrate.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: March 29, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Naoya Kobayashi, Yong-Beom Lee
  • Publication number: 20110038775
    Abstract: The present invention aims at providing a catalyst as a porous catalyst body for decomposing hydrocarbons which comprises at least magnesium, aluminum and nickel, wherein the catalyst has an excellent catalytic activity for decomposition and removal of hydrocarbons, an excellent anti-sulfur poisoning property, an excellent anti-coking property even under a low-steam condition, a sufficient strength capable of withstanding crushing and breakage even when coking occurs within the catalyst, and an excellent durability.
    Type: Application
    Filed: September 2, 2010
    Publication date: February 17, 2011
    Applicant: TODA KOGYO CORPORATION
    Inventors: Shinji TAKAHASHI, Naoya Kobayashi
  • Publication number: 20100323098
    Abstract: An electrode material for a rechargeable lithium battery, characterized in that said electrode material comprises a fine powder of a silicon-based material whose principal component is silicon element, said fine powder having an average particle size (R) in a range of 0.1 ?m?R<0.5 ?m. An electrode structural body for a rechargeable lithium battery, having an electrode material layer comprising said silicon-based material fine powder. A rechargeable lithium battery whose anode comprising said electrode structural body.
    Type: Application
    Filed: August 31, 2010
    Publication date: December 23, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Kosuzu, Soichiro Kawakami, Masaya Asao, Hidetoshi Tsuzuki, Takao Ogura, Naoya Kobayashi
  • Publication number: 20100298133
    Abstract: The present invention aims at providing a porous molded product comprising magnesium and aluminum which is satisfactory in both of a specific surface area and mechanical properties, can be suitably used as filters, drying agents, adsorbents, purifying agents, deodorants, carriers for catalysts, etc., includes a large amount of micropores, and has a large specific surface area and a high strength, as well as a process for producing the porous molded product. The porous molded product of the present invention comprises at least magnesium and aluminum, and having a magnesium content of 10 to 50% by weight in terms of a magnesium atom, an aluminum content of 5 to 35% by weight in terms of an aluminum atom, a pore volume of 0.01 to 0.5 cm3/g, an average pore diameter of not more than 300 ? and an average collapse strength of not less than 3 kg, and can be produced by molding hydrotalcite comprising at least magnesium and aluminum and then calcining the resulting molded product at a temperature of 500 to 1500° C.
    Type: Application
    Filed: December 25, 2008
    Publication date: November 25, 2010
    Inventors: Shinji Takahashi, Naoya Kobayashi
  • Publication number: 20100254892
    Abstract: The present invention relates to a catalyst for decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms, comprising magnesium, aluminum, nickel and cobalt as constitutional elements, and further comprising ruthenium and/or palladium, wherein the metallic ruthenium and/or metallic palladium in the form of fine particles have an average particle diameter of 0.5 to 20 nm, and a content of the metallic ruthenium and/or metallic palladium is 0.05 to 5.0% by weight based on the weight of the catalyst. The catalyst of the present invention is capable of efficiently decomposing hydrocarbons including hydrocarbons having 2 or more carbon atoms (C2 or more hydrocarbons), is less expensive, and exhibits an excellent catalytic activity for decomposition and removal of hydrocarbons, in particular, an excellent capability of decomposing propane, and an excellent anti-coking property.
    Type: Application
    Filed: July 18, 2008
    Publication date: October 7, 2010
    Inventors: Shinji Takahashi, Naoya Kobayashi
  • Patent number: 7803290
    Abstract: An electrode material for a rechargeable lithium battery, characterized in that said electrode material comprises a fine powder of a silicon-based material whose principal component is silicon element, said fine powder having an average particle size (R) in a range of 0.1 ?m?R<0.5 ?m. An electrode structural body for a rechargeable lithium battery, having an electrode material layer comprising said silicon-based material fine powder. A rechargeable lithium battery whose anode comprising said electrode structural body.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: September 28, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Kosuzu, Soichiro Kawakami, Masaya Asao, Hidetoshi Tsuzuki, Takao Ogura, Naoya Kobayashi
  • Publication number: 20100234511
    Abstract: In accordance with the present invention, the surface of hydrotalcite-based compound particles can be prevented from being attacked by chlorine ions desorbed from resins. The silicic acid-coated hydrotalcite-based compound particles obtained by coating the surface of Mg—Al-based or Mg—Zn—Al-based hydrotalcite-based compound particles with silicic acid in an amount of 0.25 to 25% by weight in terms of SiO2 based on the weight of the hydrotalcite-based compound particles, and drying the thus coated hydrotalcite-based compound particles at a temperature of 105 to 150° C. as well as the hydrotalcite-based compound particles obtained by heat-treating the silicic acid-coated hydrotalcite-based compound particles at a temperature of 150 to 350° C. are used as a stabilizer for chlorine-containing resin compositions.
    Type: Application
    Filed: August 24, 2007
    Publication date: September 16, 2010
    Inventors: Manabu Yamamoto, Naoya Kobayashi, Torayuki Honmyo
  • Publication number: 20100151326
    Abstract: Disclosed is a rechargeable lithium ion battery including a positive electrode including a positive active material and a negative electrode including a negative active material. The positive active material includes a lithium-manganese-based compound core and a heat resistant polymer disposed on the lithium-manganese-based compound core. The heat resistance polymer has a glass transition temperature (Tg) ranging from about 80 to about 400° C. The positive active material includes a lithium-manganese-based compound core and an inorganic metal compound as well as the heat resistant polymer with a glass transition temperature (Tg) ranging from about 80 to about 400° C. disposed on the lithium-manganese-based compound core.
    Type: Application
    Filed: November 25, 2009
    Publication date: June 17, 2010
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Won-Il JUNG, Akira Takamuku, Hideaki Maeda, Naoya Kobayashi
  • Publication number: 20100143800
    Abstract: The present invention relates to a negative active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery including the same. The negative active material for a lithium secondary battery includes a compound and a carbon composite represented by the following Chemical Formula 1. LiaVbMcO2+d ??[Chemical Formula 1] In the above Chemical Formula 1, a, b, c, and d represent a composition ratio, 0.1?a?2.5, 0.5?b?1.5, 0?c?0.5, 0?d?0.5, and M is Mg, Si, Sc, Cu, Zu, Nb, Y, or a combination thereof.
    Type: Application
    Filed: October 27, 2009
    Publication date: June 10, 2010
    Applicants: Samsung SDI Co., Ltd., TAYCA CORPORATION
    Inventors: Katsuya SAWADA, Takeshi Deguchi, Naoya Kobayashi, Toru Inagaki, Sung-Soo Kim
  • Publication number: 20100133475
    Abstract: The present invention relates to a catalyst for removing a metal carbonyl which comprises a nickel-containing catalyst component and copper, said copper being present in an amount of 0.001 to 250% by weight in terms of metallic copper on the basis of a weight of the nickel contained in the catalyst component. The catalyst may further contain, if required, zinc oxide, a clay mineral, or a clay mineral supporting at least one element having an average particle diameter of not more than 50 nm which is selected from the group consisting of ruthenium, rhodium, iridium, platinum, gold, silver, palladium, nickel, cobalt, copper, iron, zinc, vanadium and manganese. When using the catalyst, it is possible to produce a mixed reformed gas from hydrocarbons, and remove a metal carbonyl in a reforming reaction field.
    Type: Application
    Filed: January 27, 2010
    Publication date: June 3, 2010
    Applicant: TODA KOGYO CORPORATION
    Inventors: Naoya Kobayashi, Shinji Takahashi
  • Patent number: 7629168
    Abstract: A reversibly immortalized human pancreatic islet cell line containing an hTERT gene and an SV40T gene each interposed between a pair of LoxP sequences, characterized in that it is capable of producing insulin and enhancing expression of insulin after excising the hTERT gene and the SV40T gene, in particular, NAKT-13 (deposited with International Patent Organism Depository, National Institute of Advanced Industrial Science and Technology, address: AIST Tsukuba Central 6, 1-1, Higashi 1-Chome, Tsukuba-shi, Ibaraki-ken, 305-8566 Japan, deposited date: Sep. 4, 2003, accession number: FERM BP-08461) or a passage cell line thereof; a human pancreatic islet cell obtained by excising the hTERT gene and the SV40T gene from the reversibly immortalized human pancreatic islet cell line or passage cell line thereof; and use of these cells. By using the reversibly immortalized human pancreatic islet cell line of the invention insulin-producing cells can be easily and surely obtained in a number enough to meet the demand.
    Type: Grant
    Filed: November 10, 2003
    Date of Patent: December 8, 2009
    Assignees: Kuraray Medical Inc.
    Inventors: Noriaki Tanaka, Naoya Kobayashi, Michiki Narushima, Yoshihito Tanaka
  • Publication number: 20090221068
    Abstract: Provided is a cell cultivation method in which the cell is cultured using a peptide hydrogel as a scaffold, for carrying out high-dimensional culture of a cell such as porcine hepatocyte, human hepatocyte, porcine pancreatic islet or human pancreatic islet for a long period under conditions where cell survival, cell morphology and cell functions are maintained. Also provided are a cell culture including a cell and a peptide hydrogel obtained by the above-described cultivation method, a bioreactor including the cell culture, and a cell preparation including the cell culture.
    Type: Application
    Filed: September 29, 2006
    Publication date: September 3, 2009
    Inventors: Naoya Kobayashi, Noriaki Tanaka
  • Publication number: 20090209033
    Abstract: The present invention provides a cell line which can be substituted for ? cells in human mature pancreatic islets and express insulin in a glucose-concentration dependent manner, and enables the easy obtainment of the number of cells which meets the demand. The present invention also provides a therapeutical cell preparation for treating diabetes. The cell lines of the present invention can be obtained by integrating both a nucleotide sequence encoding tamoxifen-induced Cre recombinase and a nucleotide sequence encoding insulin regulated by glucose-sensitive promoter into the chromosome in a human immortalized hepatic cell line FERM BP-7498 containing the TERT gene inserted in between a pair of LoxP sequences.
    Type: Application
    Filed: November 13, 2007
    Publication date: August 20, 2009
    Inventors: Naoya Kobayashi, Noriaki Tanaka, Teru Okitsu, Ji-Won Yoon, Hee-Sook Jun, Seungjin Shin
  • Publication number: 20090148424
    Abstract: The present invention provides a reversibly immortalized mammalian liver cell line, especially CYNK-1 (deposited with International Patent Organism Depository, National Institute of Advanced Industrial Science and Technology, address: AIST Tsukuba Central 6, 1-1, Higashi 1-Chome, Tsukuba-shi, Ibaraki-ken, 305-8566 Japan, deposited date: Mar. 10, 2004, accession number: FERM BP-08657) comprising an immortalizing gene interposed between a pair of site-specific recombination sequences and a suicide gene in the outside of the pair of site-specific recombination sequences, characterized in that the suicide gene can exhibit its function after excision of the pair of site-specific recombination sequences, or passage cell line thereof; a mammalian liver cell obtained by excising the immortalizing gene from the reversibly immortalized mammalian liver cell line or passage cell line thereof; and use of these cells.
    Type: Application
    Filed: March 31, 2004
    Publication date: June 11, 2009
    Inventors: Naoya Kobayashi, Noriaki Tanaka, Michinori Kohara
  • Patent number: 7521234
    Abstract: The present invention provides a mammalian immortalized liver cell obtained by transferring a cell proliferation factor gene located between a pair of site-specific recombination sequences into a mammalian liver cell.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: April 21, 2009
    Inventors: Naoya Kobayashi, Philippe Leboulch, Noriaki Tanaka, Toshiyoshi Fujiwara, Toshinori Totsugawa
  • Patent number: 7491378
    Abstract: A powder material comprising a compound which electrochemically intercalates and deintercalates a lithium ion. The powder material is comprised mainly of a compound containing at least an oxygen element, a sulfur element and at least one transition metal element.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: February 17, 2009
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomoya Yamamoto, Soichiro Kawakami, Naoya Kobayashi
  • Publication number: 20090023070
    Abstract: The method of preparing a negative active material for a non-aqueous electrolyte rechargeable battery includes mixing a vanadium compound and a lithium compound and then subjecting the mixture to first firing to obtain Li1.0(VxMy)1.0O2 having a layered halite type structure (where 0.5?x?1.0, 0?y?0.5, x+y=1, and M is selected from the group consisting of group 2 to 15 elements of the periodic table and combinations thereof); and adding a lithium compound to the Li1.0(VxMy)1.0O2 and then subjecting the resultant to second firing. The negative active material for a non-aqueous electrolyte rechargeable battery prepared according to the preparing method has high crystallinity, excellent charge and discharge characteristics at a high rate, and excellent charge and discharge cycle characteristics.
    Type: Application
    Filed: July 3, 2008
    Publication date: January 22, 2009
    Inventors: Tetsuo Tokita, Hideaki Maeda, Naoya Kobayashi, Sung-Soo Kim
  • Publication number: 20080305397
    Abstract: The present invention relates to negative electrode materials for rechargeable lithium batteries and to rechargeable lithium batteries including the same. The negative electrode materials improve the capacity characteristics and cycle-life characteristics of the rechargeable lithium batteries. The negative electrode material includes a negative active material capable of intercalating and deintercalating lithium ions, and the negative active material includes an oxide particle represented by LixMyVzO2+d and having a full width at half maximum of a X-ray diffraction angle (2?) at a (003) plane of 0.2 degrees or more as measured by X-ray diffraction analysis using a CuK?ray.
    Type: Application
    Filed: June 6, 2008
    Publication date: December 11, 2008
    Inventors: Naoya Kobayashi, Sung-Soo Kim
  • Publication number: 20080241688
    Abstract: A negative electrode for a rechargeable lithium battery includes a current collector and a negative active mass disposed on the current collector. The negative active mass includes a negative active material including a lithium vanadium composite oxide and a crystalline structure aid for inhibiting deterioration of a crystalline structure. The negative active material can inhibit an irreversible crystalline structure change during charge and discharge, and does not incur decomposition of an electrolyte resulting in improvement of a cycle-life of a rechargeable lithium battery.
    Type: Application
    Filed: December 20, 2007
    Publication date: October 2, 2008
    Inventors: Tetsuo Tokita, Hideaki Maeda, Naoya Kobayashi, Sung-Soo Kim