Patents Assigned to Chiba University
  • Patent number: 8476258
    Abstract: A novel compound having NMDA receptor channel blocking activity, is provided. A pharmaceutical agent comprising the compound is also provided. The pharmaceutical agent can be used for the treatment or prevention of a disease caused by overexcitation of an NMDA receptor, and can comprise a compound having NMDA receptor channel blocking activity and represented by the formula (1), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: July 2, 2013
    Assignee: National University Corporation Chiba University
    Inventors: Kazuei Igarashi, Hiromitsu Takayama
  • Patent number: 8470846
    Abstract: A medicinal preparation for preventing and/or treating psychoneurotic diseases such as integration dysfunction and Alzheimer's disease which contains tropisetron or its pharmaceutically acceptable salt as the active ingredient.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: June 25, 2013
    Assignee: National University Corporation Chiba University
    Inventors: Kenji Hashimoto, Masaomi Iyo, Kaori Koike
  • Publication number: 20130146645
    Abstract: [Object] The object is to provide a functional composite material which is adaptable to environmental changes. [Means for Achieving the Object] The present invention provides a method for producing a functional composite material comprising a step wherein an insert layer is formed on a first metal substrate having a groove; a step wherein a piezoelectric fiber having a metal core is placed on the first metal substrate; and a step wherein a second metal substrate and the first metal substrate are hot-pressed. The present invention can provide a functional composite material which is adaptable to environmental changes.
    Type: Application
    Filed: February 5, 2013
    Publication date: June 13, 2013
    Applicant: National University Corporation Chiba University
    Inventor: National University Corporation Chiba University
  • Patent number: 8462419
    Abstract: There is provided a composition for electrochromic devices which clearly present only two states, a white-colored state and a decolored state. The composition for electrochromic devices contains (A) a specific quaternary ammonium salt, (B) a supporting electrolyte containing bromide ion, and (C) a solvent containing water as an essential component, and (A) is soluble in (C).
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: June 11, 2013
    Assignees: National University Corporation Chiba University, JNC Corporation
    Inventors: Katsuyoshi Hoshino, Yosuke Oikawa, Mai Ando, Ryota Nakajima, Katsuyuki Murashiro, Toshiki Komatsu
  • Patent number: 8440195
    Abstract: A method of treating or reducing at least one inflammatory condition or the susceptibility to at least one inflammatory condition is provided involving administering at least one CD69 antagonist to a subject, wherein the subject has been diagnosed with at least one inflammatory condition, or a susceptibility to the same. CD69 antagonists can include one or more of an anti-CD69 antibody, an anti-CD69 aptamer, a CD69 mRNA antagonist, and a small molecule pharmaceutical.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: May 14, 2013
    Assignees: National University Corporation Chiba University, National University Corporation Yamaguchi University
    Inventors: Toshinori Nakayama, Akihiro Hasegawa, Mutsunori Shirai
  • Patent number: 8358375
    Abstract: To solve the problems in the prior art, the present invention provides a method for measuring a time difference between digital video signals and digital audio signals, wherein said method comprises the steps of extracting respective time series data from respective frequency domains of said digital video signals and said digital audio signals; statistically identifying the cross-correlation of said time series data in said frequency domains, thereby measuring the time difference between said digital video signals and said digital audio signals.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: January 22, 2013
    Assignee: National University Corporation Chiba University
    Inventors: Hiroaki Ikeda, Reiko Iwai
  • Patent number: 8343759
    Abstract: The present invention is directed to a unique mammalian cell line expressing inducible c-Src, and, particularly, a unique human cell line overexpressing c-Src in an inducible manner.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: January 1, 2013
    Assignee: National University Corporation Chiba University
    Inventor: Naoto Yamaguchi
  • Patent number: 8333924
    Abstract: Provided is a high-strength and high-toughness magnesium alloy which has practical level of both the strength and the toughness for expanded applications of the magnesium alloys, and is a method for manufacturing thereof. The high-strength and high-toughness magnesium alloy of the present invention contains: a atom % in total of at least one metal of Cu, Ni, and Co; and b atom % in total of at least one element selected from the group consisting of Y, Dy, Er, Ho, Gd, Tb, and Tm, while a and b satisfying the following formulae (1) to (3), 0.2?a?10??(1) 0.2?b?10??(2) 2/3a?2/3<b.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: December 18, 2012
    Assignees: National University Corporation Kumamoto University, Chiba University
    Inventors: Yoshihito Kawamura, Michiaki Yamasaki, Takaomi Itoi, Mitsuji Hirohashi
  • Patent number: 8268075
    Abstract: A method of producing a zinc oxide-based semiconductor crystal, including: introducing at least zinc and oxygen on a surface of a substrate; and growing a zinc oxide-based semiconductor crystal on the substrate, wherein a total or partial portion of the zinc is ionized in a vacuum atmosphere of 1×10?4 Torr or less and is introduced to the surface of the substrate to grow the ZnO based semiconductor crystal. As a result, it is possible to provide a method of producing a zinc oxide based semiconductor crystal capable of growing a zinc oxide semiconductor crystal having excellent surface flatness and crystallinity and including an extremely small amount of impurities at a high growth rate.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: September 18, 2012
    Assignees: Fujikura Ltd., Chiba University
    Inventors: Koji Omichi, Yoshikazu Kaifuchi, Munehisa Fujimaki, Akihiko Yoshikawa
  • Patent number: 8247428
    Abstract: Indole alkaloid derivatives having an opioid receptor agonistic effect, their synthesis, and therapeutic compositions containing these derivatives, and methods of treating conditions with these compounds and therapeutic compositions, are provided.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: August 21, 2012
    Assignees: National University Corporation Chiba University, Josai University Corporation
    Inventors: Hiromitsu Takayama, Mariko Kitajima, Kenjiro Matsumoto, Syunji Horie
  • Patent number: 8248312
    Abstract: The present invention provides an antenna that is small in size and has band frequencies corresponding to multibands, and a wireless communication apparatus including the antenna. The antenna according to the present invention has two radiation elements 12a and 12b connected to a ground plate 11 via a shorting pin. The two radiation elements 12a and 12b each have a lower arm and an upper arm that are formed through bending. The lower arm is connected to the shorting pin and is located closer to the ground plate 11 than the upper arm is. At least one of the lower arm and the upper arm has a meandered structure.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: August 21, 2012
    Assignees: Fujikura Ltd., Chiba University
    Inventors: Ning Guan, Koichi Ito
  • Patent number: 8227263
    Abstract: A process for producing polymer particles having an antigen or an antibody introduced into the surface thereof, by carrying out miniemulsion polymerization using a monomer, a radical polymerization initiator, an emulsifier, and a hydrophobe in the presence of the antigen or antibody to thereby produce the polymer particles, is disclosed. According to the process, it is possible to provide a reagent for immunological analysis having an excellent detection sensitivity and capable of avoiding a nonspecific reaction which occurs in conventional methods.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: July 24, 2012
    Assignees: Mitsubishi Chemical Medience Corporation, National University Corporation Chiba University
    Inventors: Tatsuo Taniguchi, Akihiro Mizuno, Tokio Sawai, Hiroyuki Tsubota
  • Publication number: 20120121503
    Abstract: A method of treating or reducing at least one inflammatory condition or the susceptibility to at least one inflammatory condition is provided involving administering at least one CD69 antagonist to a subject, wherein the subject has been diagnosed with at least one inflammatory condition, or a susceptibility to the same. CD69 antagonists can include one or more of an anti-CD69 antibody, an anti-CD69 aptamer, a CD69 mRNA antagonist, and a small molecule pharmaceutical.
    Type: Application
    Filed: November 12, 2010
    Publication date: May 17, 2012
    Applicants: National University Corporation Yamaguchi University, National University Corporation Chiba University
    Inventors: Toshinori Nakayama, Akihiro Hasegawa, Mutsunori Shirai
  • Patent number: 8148144
    Abstract: A vector developed to transform fungi can be used to study the expression of a gene of interest. The vector can provide for the expression of signal proteins in fungi that can be observed and/or monitored. The vector can be used to investigate the effects of RNA interference on a gene of interest in pathogenic fungi. Systems and methods of using the vector are provided.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: April 3, 2012
    Assignee: National University Corporation Chiba University
    Inventors: Jon Ander Ochoa de Eribe Casas, Susumu Kawamoto
  • Patent number: 8106726
    Abstract: A surface acoustic wave device includes a pair of reflectors and an interdigital transducer having a cross electrode having a interdigitated portion and a dummy portion and a dummy electrode. The dummy electrode has a length different from the length of the dummy portion of the cross electrode arranged adjacent to the dummy electrode.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: January 31, 2012
    Assignee: National University Corporation Chiba University
    Inventors: Kenya Hashimoto, Masatsune Yamaguchi, Tatsuya Omori, Naofumi Yokoyama, Kenji Matsuda
  • Publication number: 20120014977
    Abstract: [PROBLEM TO BE SOLVED] An object of the present invention is to provide a novel tumor marker and use thereof. In more detail, the present invention provides a novel tumor marker, a method for measuring said tumor marker and a measurement kit, a method for detecting cancer using the same, a kit for detecting cancer, a method for screening a preventive and/or therapeutic agent for cancer, as well as a medicament such as cancer vaccine. [SOLUTION] According to the present invention, a method for measuring an alternative splicing variant of OATP1B3 mRNA in a sample to be examined is provided. Said measurement method comprises measuring mRNA comprising a nucleotide sequence represented by SEQ ID NO: 1 in the sequence listing table in a sample to be examined isolated from living organism with differentiation from a mRNA comprising a nucleotide sequence represented by SEQ ID NO: 2. Said measurement method is useful for detecting cancer or screening a preventive and/or therapeutic agent. [SELECTED DRAWING] FIG. 5.
    Type: Application
    Filed: February 18, 2011
    Publication date: January 19, 2012
    Applicant: National University Corporation Chiba University
    Inventors: Tomomi Furihata, Sayaka Matsumoto, Miki Nagai, Kan Chiba
  • Patent number: 8076480
    Abstract: Disclosed is a process of preparing an optically active allyl compound, e.g., as represented by formula (III): comprising asymmetrically coupling an allyl compound with an organic nucleophilic compound in the presence of a catalyst. The catalyst is preferably a transition metal complex compound having a phosphine ligand. The phosphine ligand is preferably a 2,3-bis(dialkylphosphino)pyrazine derivative. The pyrazine derivative is preferably a quinoxaline derivative. The transition metal is preferably palladium.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: December 13, 2011
    Assignees: National University Corporation Chiba University, Nippon Chemical Industrial Co., Ltd.
    Inventors: Tsuneo Imamoto, Kazuhiro Yoshida, Miwako Nishimura, Aya Koide
  • Publication number: 20110287955
    Abstract: Disclosed are: a polypeptide marker for diagnosing arteriosclerosis; a gene marker for diagnosing arteriosclerosis; an antibody; a probe for detecting an arteriosclerosis marker gene; a DNA microarray or a DNA chip for detecting an arteriosclerosis marker gene; a method for detecting arteriosclerosis; and a kit for diagnosing arteriosclerosis; with which an arteriosclerotic lesion can be detected with much improved accuracy.
    Type: Application
    Filed: August 14, 2009
    Publication date: November 24, 2011
    Applicants: National UNiversity Corporation Chiba University, Fujikura Kasei Co., Ltd.
    Inventors: Rika Nakamura, Hideyuki Kuroda, Go Tomiyoshi, Takaki Hiwasa, Masaki Takiguchi, Naokatsu Saeki, Toshio Machida
  • Publication number: 20110255145
    Abstract: An electrophoretic liquid includes a first electrophoretic particle, a second electrophoretic particle having a polarity opposite to that of the first electrophoretic particle, a non-electrophoretic particle, and a transparent dispersion medium. In the electrophoretic liquid, the first, second, and non-electrophoretic particles are dispersed in the transparent dispersion medium.
    Type: Application
    Filed: November 26, 2009
    Publication date: October 20, 2011
    Applicants: Chiba University, RICOH COMPANY, LTD.
    Inventors: Masahiro Masuzawa, Takashi Kitamura, Yoshitaku Yoshimatsu
  • Patent number: 7998693
    Abstract: The present invention provides a new additional identification of a gene related to cancer expression and a diagnostic kit using the same.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: August 16, 2011
    Assignee: National University Corporation Chiba University
    Inventors: Hideaki Shimada, Takeshi Tomonaga, Kazuyuki Matsushita, Takenori Ochiai, Fumio Nomura