Patents by Inventor Kenji Fukunaga

Kenji Fukunaga 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: 8137821
    Abstract: A substituted ethynyl gold-nitrogen containing heterocyclic carbene complex of formula (1): wherein L represents a nitrogen containing heterocyclic carbene ligand; X represents an alkyl, a cycloalkyl, an aryl, an aralkyl or a heterocyclic group; in which one or more hydrogen atoms on the carbon atom(s) of X may be replaced by a halogen atom, an alkyl, a cycloalkyl, an alkenyl, an aryl, an aralkyl, an alkoxy, an aryloxy, a dialkylamino, an acyl or an arylcarbonyl group; and, when more than one hydrogen atom on the carbon atom(s) of X is replaced by the alkyl, the alkenyl, the aryl, the aralkyl, the alkoxy, the aryloxy, the dialkylamino, the acyl or the arylcarbonyl group, the adjacent groups may be bonded together to form a ring, a method for preparing the same, and an organic electroluminescent device containing the same in at least one organic compound thin layer.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: March 20, 2012
    Assignee: UBE Industries, Ltd.
    Inventors: Osamu Fujimura, Kenji Fukunaga, Takashi Honma, Toshikazu Machida, Takeshi Takahashi
  • Patent number: 8129377
    Abstract: A compound represented by the formula (I), an optically active isomer thereof, or a pharmaceutical acceptable salt thereof: wherein R1 represents a C1-C12 alkyl; R2 represents a hydrogen atom or the like; R3 represents a halogen or the like; q represents an integer of 1 to 7; R4 represents a halogen or the like; p represents 0 or an integer of 1 to 5; R5 represents a C6-C10 aryl, a heterocycle or the like; and X represents oxygen, NH, or the like, which is used for preventive and/or therapeutic treatment of a disease caused by tau protein kinase 1 hyperactivity such as a neurodegenerative diseases (e.g. Alzheimer disease).
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: March 6, 2012
    Assignees: Mitsubishi Tanabe Pharma Corporation, Sanofi-Aventis
    Inventors: Kazutoshi Watanabe, Kenji Fukunaga, Toshiyuki Kohara, Fumiaki Uehara, Shinsuke Hiki, Satoshi Yokoshima
  • Publication number: 20120031831
    Abstract: In a hollow fiber element constituting a separation membrane module for separating an organic vapor, at least one end part of a fiber bundle consisting of multiple hollow fiber membranes having a selective permeability is fixed and bound with a tube sheet formed by a cured material, in which an epoxy composition (A) has been cured by using a hardener (B). A glass transition temperature of said cured material is not less than 160° C., a minimum elongation at break thereof is not less than 7.0%, and an elution ratio thereof is less than 5%. For this reason, the hollow fiber element has enough endurance to retain a gas-tightness of an internal space of the hollow fiber membrane and an external space of the hollow fiber membrane even in use under organic vapor with an elevated temperature and high pressure.
    Type: Application
    Filed: March 31, 2010
    Publication date: February 9, 2012
    Applicant: UBE Industries, Ltd.
    Inventors: Tomonori Kanougi, Yuma Irisa, Kenji Fukunaga
  • Patent number: 8106045
    Abstract: A compound represented by the formula (I), an optically active isomer thereof, or a pharmaceutical acceptable salt thereof: wherein X represents CH or N; represents a C1-C12 alkyl; R2 represents a hydrogen atom, or the like; R? represents a C1-C6 alkyl or the like; q represents 0 or an integer of 1 to 7; Y represents a C1-C6 alkyl or the like; p represents 0 or an integer of 1 to 5; R represents a 2,3-dihydroindolyl or the like, which is used for preventive and/or therapeutic treatment of a disease caused by tau protein kinase 1 hyperactivity such as a neurodegenerative diseases (e.g. Alzheimer disease).
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: January 31, 2012
    Assignees: Mitsubishi Tanabe Pharma Corporation, Sanofi-Aventis
    Inventors: Kazutoshi Watanabe, Fumiaki Uehara, Shinsuke Hiki, Toshiyuki Kohara, Kenji Fukunaga, Satoshi Yokoshima
  • Patent number: 8086770
    Abstract: In a communication apparatus, a write controller writes received data in a temporary memory which serves as short-time storage. A read controller reads data out of the temporary memory. A discard controller controls discard operation of the data read out of the temporary memory.
    Type: Grant
    Filed: January 28, 2009
    Date of Patent: December 27, 2011
    Assignee: Fujitsu Limited
    Inventors: Takanori Yasui, Hideki Shiono, Hirofumi Fujiyama, Satoshi Tomie, Kenji Fukunaga, Tamotsu Matsuo
  • Patent number: 8075824
    Abstract: A polyimide film made of a multicomponent polyimide comprising two or more different polyimide components including (A) a polyimide component A being raw materials of a polyimide A and/or a polyimidation product of the raw materials and (B) a polyimide component B being raw materials of a polyimide B and/or a polyimidation product of the raw materials. The polyimide components A and B are different, for example, such that the absolute difference between solubility parameter SPA of the polyimide A and solubility parameter SPB of the polyimide B, |SPB-SPA|, is 0.5 MPa1/2 or more. The polyimide film has markedly modified surface properties as compared with a polyimide film in which all the same raw materials as used in the film of the invention are randomly bonded to one another.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: December 13, 2011
    Assignee: UBE Industries, Ltd.
    Inventors: Toshimune Yoshinaga, Kenji Fukunaga, Harutoshi Hoshino
  • Publication number: 20110232484
    Abstract: There is disclosed an asymmetric gas separation membrane exhibiting both improved gas separation performance and improved mechanical properties, which is made of a soluble aromatic polyimide comprised of a repeating unit represented by general formula (1): wherein B in general formula (1) B comprises 10 to 70 mol % of tetravalent unit B1 represented by general formula (B1) and 90 to 30 mol % of tetravalent unit B2 represented by general formula (B2), and A in general formula (1) comprises 10 to 50 mol % of bivalent unit A1 represented by general formula (A1a) or the like and 90 to 30 mol % of bivalent unit A2 represented by general formula (A2a) or the like.
    Type: Application
    Filed: September 30, 2009
    Publication date: September 29, 2011
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Toshimune Yoshinaga, Makoto Nakamura, Tomonori Kanougi, Yoji Kase, Kenji Fukunaga
  • Patent number: 7985392
    Abstract: An easily dispersible cake of precipitated silica, wherein the precipitated silica has a BET specific surface area of at least 220 m2/g. When the cake is dispersed in ion-exchange water to provide an aqueous dispersion of the silica of 5% by weight in concentration and further diluted to reduce the silica concentration to 1.5% by weight, the dispersion has a light-scattering index (n-value) of at least 2. The easily dispersible cake can be obtained by simultaneously adding an alkali silicate and a mineral acid to a reaction liquid whose pH is being maintained at a fixed value within a range of 7.5-11.5 and whose temperature is being maintained at 92-98° C., thus forming precipitated silica through their reaction, and separating the precipitated silica from the reaction liquid in wet state.
    Type: Grant
    Filed: July 4, 2003
    Date of Patent: July 26, 2011
    Assignee: Tokuyama Corporation
    Inventors: Hirokatsu Hayashi, Kenji Fukunaga, Kentaro Fukuda
  • Patent number: 7959728
    Abstract: A process for wet pulverizing mesoporous silica particles while a surfactant exists in mesopores, and mesoporous silica particles having an average particle diameter of 1 ?m or less, wherein the volume of mesopores having a diameter of 2 to 50 nm is 0.7 mL/g or more and the geometric standard deviation of a mesopore distribution is 2.0 or less. Mesoporous silica particles having a particle diameter in a submicron order can be obtained at a high yield without causing the marked collapse of mesopores and can be produced efficiently by using an ordinary pulverizer and safely by using an aqueous medium. The mesoporous silica particles having an average particle diameter of 1 ?m or less are useful as an ink absorbent for ink jet recording paper, low-dielectric film, catalyst support, separating agent, adsorbent and medical carrier for medicines.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: June 14, 2011
    Assignee: Tokuyama Corporation
    Inventors: Kentaro Fukuda, Kenji Fukunaga, Hiroya Yamashita
  • Patent number: 7955662
    Abstract: An aligned metal-particle film, in which metal particles are aligned in a polymer as a layer with a certain interval in parallel with a substrate is disclosed. The aligned metal-particle film is manufactured by forming a polymer film containing a metal component on a reflecting substrate; and irradiating the polymer film with light at a particular wavelength, whereby metal particles are aligned in parallel with the substrate in the polymer.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: June 7, 2011
    Assignees: The University of Tokyo, UBE Industries, Ltd.
    Inventors: Hisashi Ohsaki, Akihiro Matsubayashi, Kikuo Ataka, Kenji Fukunaga, Tetsurou Tsuji
  • Patent number: 7932398
    Abstract: The present invention is directed to a substituted phenylethynylgold-nitrogen-containing heterocyclic carbene complex represented by the formula (1) or (2): wherein L represents a nitrogen-containing heterocyclic carbene ligand, and X represents an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylmercapto group, an arylmercapto group or a substituted amino group; and one or a plural number of hydrogen atoms on the carbon atom(s) of X are independently optionally replaced by a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylmercapto group, an arylmercapto group or a substituted amino group.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: April 26, 2011
    Assignee: Ube Industries, Ltd.
    Inventors: Osamu Fujimura, Kenji Fukunaga, Takashi Honma, Toshikazu Machida
  • Patent number: 7907632
    Abstract: A data communication apparatus has a data retainer, a retain state manager, a guaranteed bandwidth manager, a surplus bandwidth manager managing outputting of output data having a destination retained in the data retainer to an output line on a per-destination basis when the output data is outputted to the output line with the use of a surplus bandwidth that is a surplus over a sum of guaranteed bandwidths, and a scheduler scheduling outputting of data retained in the data retainer to the output line, based on results of managements by the guaranteed bandwidth manager and the surplus bandwidth manager and a retain state managed by the retain state manager. The apparatus manages the bandwidth with improved accuracy at the time of communication using a surplus bandwidth.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: March 15, 2011
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Urano, Toshihiro Koji, Masayuki Ogawa, Kenji Fukunaga, Tamotsu Matsuo
  • Publication number: 20110048229
    Abstract: An asymmetric hollow fiber gas separation membrane obtained by subjecting an asymmetric hollow fiber polyimide membrane to a heat treatment having a maximum temperature of from 350 to 450° C., wherein the asymmetric hollow fiber polyimide membrane is formed with a polyimide essentially having a repeating unit represented by a general formula (1); is excellent in a solvent resistance and a thermal stability, and as well has such a mechanical strength that a tensile elongation at break is not less than 10% as a hollow fiber membrane.
    Type: Application
    Filed: January 19, 2009
    Publication date: March 3, 2011
    Applicant: UBE Industries, Ltd.
    Inventors: Harutoshi Hoshino, Tomonori Kanougi, Toshimune Yoshinaga, Yoji Kase, Kenji Fukunaga
  • Publication number: 20110021773
    Abstract: A compound represented by the formula (I) or a pharmaceutically acceptable salt thereof: which is used for preventive and/or therapeutic treatment of a disease caused by abnormal activity of tau protein kinase 1 such as a neurodegenerative diseases (e.g. Alzheimer disease).
    Type: Application
    Filed: September 12, 2008
    Publication date: January 27, 2011
    Applicants: MITSUBISHI TANABE PHARMA CORPORATION, SANOFI-AVENTIS
    Inventors: Kenji Fukunaga, Kazutoshi Watanabe, Pascal Barneoud, Jesus Benavides, Jeremy Pratt
  • Publication number: 20110000367
    Abstract: Disclosed are a gas separation membrane and a gas separation method in which at least one species of organic vapor is separated and recovered from an organic vapor mixture using the gas separation membrane. The gas separation membrane is made of an aromatic polyimide composed of a tetracarboxylic acid component consisting of an aromatic ring-containing tetracarboxylic acid and a diamine component comprising 10 to 90 mol % of a combination of (B1) 3,4?-diaminodiphenyl ether and (B2) 4,4?-diaminodiphenyl ether at a B1 to B2 molar ratio, B1/B2, ranging from 10/1 to 1/10, and 10 to 90 mol % of other aromatic diamine.
    Type: Application
    Filed: February 4, 2009
    Publication date: January 6, 2011
    Applicant: UBE INDUSSTRIES, LTD.
    Inventors: Tomonori Kanougi, Harutoshi Hoshino, Toshimune Yoshinaga, Yoji Kase, Kenji Fukunaga
  • Patent number: 7833313
    Abstract: A process of producing an asymmetric membrane of multicomponent polyimide. The process includes the steps of (1) preparing a multicomponent polyimide blend solution by mixing a polyimide component A having a number-averaged polymerization index NA and a polyimide component B having a number-averaged polymerization index NB, wherein NA and NB satisfies equation 1: 2.35×NA?2.09<NB<450×NA?1.12??1 (2) subjecting the multicomponent polyimide blend solution to further polymerization and imidation reaction, and (3) causing a phase inversion in the resulting multicomponent polyimide blend solution to form an asymmetric membrane. The polyimide component A is raw materials of polyimide A containing a fluorine atom in the chemical structure thereof and/or a polymerization and imidation reaction product of the raw materials. The polyimide component B is raw materials of polyimide B and/or a polymerization and imidation reaction product of the raw materials.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: November 16, 2010
    Assignee: Ube Industries, Ltd.
    Inventors: Toshimune Yoshinaga, Kenji Fukunaga, Yoji Kase
  • Patent number: 7803214
    Abstract: The present invention relates to an asymmetric hollow-fiber gas separation membrane made of a polyimide having a specific repeating unit, an improved tensile elongation at break of 15% or more as a hollow-fiber membrane itself, an oxygen gas permeation rate (P?O2) of 4.0×10?5 cm3(STP)/cm2·sec·cmHg or more and a gas ratio of permeation rate of oxygen to nitrogen (P?O2/P?N2) of 4 or more that are measured at 50° C., a gas separation method and a gas separation membrane module using the asymmetric hollow-fiber gas separation membrane. In addition, the present invention relates to an asymmetric hollow-fiber gas separation membrane obtained by heat-treating the asymmetric hollow-fiber gas separation membrane at a maximum temperature of from 350 to 450° C. The asymmetric hollow-fiber gas separation membrane has sufficient mechanical strength even after the heat-treatment at a maximum temperature of from 350 to 450° C.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: September 28, 2010
    Assignee: UBE Industries, Ltd.
    Inventors: Yoji Kase, Toshimune Yoshinaga, Kenji Fukunaga, Harutoshi Hoshino
  • Publication number: 20100237770
    Abstract: The present invention is to provide a gold complex represented by the formula (1): wherein L represents a nitrogen-containing heterocyclic carbene ligand, and X represents an alkyl group, cycloalkyl group, alkoxycarbonyl group, aryloxycarbonyl group, alkylaminocarbonyl group, arylaminocarbonyl group, arylalkylaminocarbonyl group, alkylmercaptocarbonyl group, arylmercaptocarbonyl group, alkylsulfonyl group or arylsulfonyl group, provided that one or a plural number of hydrogen atoms on the carbon atom(s) of X may be substituted by a halogen atom, alkyl group, cycloalkyl group, aryl group, aralkyl group, alkoxy group, aryloxy group, alkylmercapto group, arylmercapto group or substituted amino group, a process for preparing the same, and an organic ultraviolet electroluminescent device using said gold complex.
    Type: Application
    Filed: October 23, 2007
    Publication date: September 23, 2010
    Inventors: Osamu Fujimura, Kenji Fukunaga, Takashi Honma, Toshikazu Machida
  • Patent number: 7771518
    Abstract: An asymmetric hollow-fiber gas separation membrane is made of a soluble aromatic polyimide that is composed of a specific repeating unit. The tetracarboxylic acid component of the unit has a diphenylhexafluoropropane structure and a biphenyl structure. The diamine component of the unit essentially contains diaminobenzoic acids and any of diaminodibenzothiophenes, diaminodibenzothiophene=5,5-dioxides, diaminothioxanthene-10,10-diones, and diaminothioxanthene-9,10,10-triones.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: August 10, 2010
    Assignee: Ube Industries, Ltd.
    Inventors: Toshimune Yoshinaga, Kenji Fukunaga, Yutaka Kanetsuki, Hiroshi Uchida, Minoru Shigemura, Nozomu Tanihara
  • Publication number: 20100116131
    Abstract: A process of producing an asymmetric membrane of multicomponent polyimide. The process includes the steps of (1) preparing a multicomponent polyimide blend solution by mixing a polyimide component A having a number-averaged polymerization index NA and a polyimide component B having a number-averaged polymerization index NB, wherein NA and NB satisfies equation 1: 2.35×NA?2.09<NB<450×NA?1.12??1 (2) subjecting the multicomponent polyimide blend solution to further polymerization and imidation reaction, and (3) causing a phase inversion in the resulting multicomponent polyimide blend solution to form an asymmetric membrane. The polyimide component A is raw materials of polyimide A containing a fluorine atom in the chemical structure thereof and/or a polymerization and imidation reaction product of the raw materials. The polyimide component B is raw materials of polyimide B and/or a polymerization and imidation reaction product of the raw materials.
    Type: Application
    Filed: October 27, 2009
    Publication date: May 13, 2010
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Toshimune YOSHINAGA, Kenji FUKUNAGA, Yoji KASE