Patents Assigned to Tokyo University of Science
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Publication number: 20140135520Abstract: A method that manufacturers an optically active carboxylic acid ester at high yield and high enantioselectivity is provided. An optically active carboxylic acid ester is manufactured at high yield and high enantioselectivity by reacting a racemic carboxylic acid and a specific alcohol or phenol derivatives in a polar solvent having a dipole moment of 3.0 or higher in the presence of an acid anhydride and an asymmetric catalyst, esterifying one enantiomer of the racemic carboxylic acid at high selectivity, and increasing the amount of esterified carboxylic acid by racemizing the optically active carboxylic acid which is the other enantiomer not used in esterification.Type: ApplicationFiled: June 7, 2012Publication date: May 15, 2014Applicant: Tokyo University of Science Educational Foundation Administration OrganizationInventors: Isamu Shiina, Kenya Nakata, Keisuke Ono
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Patent number: 8658735Abstract: The graft copolymer comprises a polymerizable monomer (A1) represented by general formula (III) and a polymerizable monomer (B1) containing a pyridyl group, and a ligand can be bonded via the functional group at the terminus of R3a. In the formula, R1a represents a polymerizable group, R2a represents an alkylene group having a carbon number of 2-5, R3a represents an organic group having at a terminus a functional group selected from among an azide group, a phenyl azide group, a carboxyl group, a primary to quaternary amino group, an acetal group, an aldehyde group, a thiol group, a disulfide group, an active ester group, a trialkoxysilyl group, and a polymerizable group, and n represents any integer from 5 to 20,000.Type: GrantFiled: August 28, 2009Date of Patent: February 25, 2014Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Hidenori Otsuka, Masayuki Fukaishi, Takashi Ishiduka
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Publication number: 20140045965Abstract: An active ray-curable composition characterized by containing a photobase generator, a double bond-containing compound, and a ?-dicarbonyl compound.Type: ApplicationFiled: July 31, 2013Publication date: February 13, 2014Applicants: Tokyo University of Science Foundation, RICOH COMPANY, LTD.Inventors: Soh Noguchi, Okitoshi Kimura, Koji Arimitsu
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Publication number: 20130338304Abstract: The present invention provides a method of producing a nanoparticle dispersion liquid, including: altering a surface of a nanoparticle in the presence of an ion by contacting a complex that includes the nanoparticle and a solid material present around the nanoparticle with a surface altering agent-containing liquid, that includes a surface altering agent for altering the surface of the nanoparticle and a solvent for dissolving the solid material and that has a viscosity of 1.10 mPa·s or more at 25° C.; and a dispersing step of dispersing the surface-altered nanoparticle in the solvent.Type: ApplicationFiled: March 3, 2011Publication date: December 19, 2013Applicant: Tokyo University of Science FoundationInventors: Kohei Soga, Hiroshi Hyoda
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Patent number: 8552215Abstract: Disclosed is a method for producing an optically active 2-hydroxy ester, comprising selectively esterifying one enantiomer of a racemic 2-hydroxy ester in a solvent containing a catalyst such as tetramisole or benzotetramisole, and a carboxylic acid anhydride, or a carboxylic acid anhydride and a carboxylic acid. In particular, in the case where the solvent contains a carboxylic acid anhydride, but does not contain a carboxylic acid, as the carboxylic acid anhydride, a carboxylic acid anhydride containing a tertiary or quaternary carbon atom in the a-position is used. On the other hand, in the case where the solvent contains a carboxylic acid anhydride and a carboxylic acid, as the carboxylic acid, a carboxylic acid containing a tertiary or quaternary carbon atom in the a-position is used.Type: GrantFiled: March 8, 2010Date of Patent: October 8, 2013Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Isamu Shiina, Kenya Nakata
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Patent number: 8536242Abstract: The present invention provides a photocurable composition which contains a photobase generator capable of generating a satisfactory amount of a base in a high quantum yield when irradiated even with a small quantity of light for a short time, and contains a curable compound that is rapidly cured by the generated base such that the composition is cured into a cured product. The photocurable composition comprises: a photobase generator (A) which is a salt of a carboxylic acid (a1-1) represented by the following formula (1-1) with a basic compound (a2), and a curable compound (B) which has, in one molecule thereof, at least two functional groups selected from among epoxy group, (meth)acryloyl group, isocyanato group, acid anhydride group, and alkoxysilyl group, where R1 to R7 in the above formula (1-1) each are hydrogen or an organic group, R1 to R7 may be the same or different, and two of R1 to R7 may be bonded to each other to form a ring structure.Type: GrantFiled: July 23, 2008Date of Patent: September 17, 2013Assignees: Sekisui Chemical Co., Ltd., Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Hiroji Fukui, Shunsuke Kondo, Koji Arimitsu
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Patent number: 8532422Abstract: A simple and practical image restoring device capable of improving the performance of image restoration. An image restoring device (100) is provided with a first restoration processing unit (160a) and estimates original image information from the degraded image information into which information unnecessary for the original image information is incorporated. A correlation calculating section (164) calculates the correlation value of the estimation error of when the state amount of a system at time n+1 including the original image information is estimated by information up to time n or the time n+1 with respect to the degraded image information of only the time n.Type: GrantFiled: August 6, 2009Date of Patent: September 10, 2013Assignee: Tokyo University of Science Educational Foundation Administration OrganizationInventors: Nari Tanabe, Toshihiro Furukawa, Shunichi Kitahara
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Patent number: 8529785Abstract: Provided is a piezoelectric material excellent in piezoelectricity. The piezoelectric material includes a perovskite-type complex oxide represented by the following General Formula (1). A(ZnxTi(1-x))yM(1-y)O3??(1) wherein A represents at least one kind of element containing at least a Bi element and selected from a trivalent metal element; M represents at least one kind of element of Fe, Al, Sc, Mn, Y, Ga, and Yb; x represents a numerical value satisfying 0.4?x?0.6; and y represents a numerical value satisfying 0.1?y?0.9.Type: GrantFiled: July 24, 2009Date of Patent: September 10, 2013Assignees: Canon Kabushiki Kaisha, Kyoto University, Tokyo Institute of Technology, Sophia University, University of Yamanashi, National Institute of Advanced Industrial Science and Technology, Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Makoto Kubota, Kaoru Miura, Toshihiro Ifuku, Jumpei Hayashi, Masaki Azuma, Olga Alexandrovna Smirnova, Hiroshi Funakubo, Hiroshi Uchida, Nobuhiro Kumada, Satoshi Wada, Takashi Iijima, Soichiro Okamura
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Patent number: 8527266Abstract: Disclosed is a noise suppression device capable of better noise suppression by means of a simpler structure and with a lighter computational load. A noise suppression device (100) has a noise suppression processor (150) to estimate the required information only from the observed information, which is the required information corrupted by noise. A correlator (154) calculates the correlation of the estimation error when the state quantity, which contains the required information, of the system at time n+1 was estimated from the information until time n or time n+1 for the observed information at only time n.Type: GrantFiled: March 18, 2009Date of Patent: September 3, 2013Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Nari Tanabe, Toshihiro Furukawa
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Publication number: 20130172402Abstract: An object of the present invention is to provide an oligonucleotide useful as a therapeutic agent for dyslipidemia that has excellent binding affinity to the PCSK9 gene as well as stability and safety. The oligonucleotide of the present invention contains a sugar-modified nucleoside, the sugar-modified nucleoside has a bridging structure between 4?-position and 2?-position, and the oligonucleotide can bind to the human PCSK9 gene. Also, the present invention provides a therapeutic agent for dyslipidemia containing the oligonucleotide as an active ingredient, and the therapeutic agent preferably contains a bioabsorbable material as a carrier. The bioabsorbable material is preferably atelocollagen or peptide gel.Type: ApplicationFiled: August 31, 2011Publication date: July 4, 2013Applicants: Osaka University, Tokyo University of Science Educational Foundation Administrative Organization, National Cerebral and Cardiovascular CenterInventors: Satoshi Obika, Takeshi Imanishi, Tsuyoshi Yamamoto, Keisuke Narukawa, Mariko Shiba, Tetsuji Yamaoka, Hidetaka Torigoe, Atsushi Yamashita, Yoichi Tachibana, Sachiro Kakinoki, Kiyomi Sasaki
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Patent number: 8420212Abstract: Silane coupling agents which are high in heat resistance, and which are high in durability, releasability, and antifouling properties. The silane coupling agents have a biphenylalkyl group and are represented by the following general formula (1).Type: GrantFiled: March 6, 2008Date of Patent: April 16, 2013Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventor: Norio Yoshino
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Patent number: 8362027Abstract: The present invention is to provide means to treat breast cancer and/or mastitis by topically administering a non-steroidal antiinflammatory analgetic agent and/or an anticancer agent and allowing them efficiently to arrive into the mammary gland. The present invention provides an iontophoretic preparation for treating breast cancer and/or mastitis which contains a non-steroidal antiinflammatory analgetic agent and/or an anticancer agent as an active ingredient and has a donor to be applied on a nipple part for topical administration of the active ingredient from the nipple part to the mammary gland by application of electric potential.Type: GrantFiled: August 8, 2011Date of Patent: January 29, 2013Assignees: Kowa Co., Ltd., Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Toshio Inagi, Makoto Kanebako, Hiroshi Terada, Kimiko Makino, Masakazu Toi
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Patent number: 8343551Abstract: Nanocomposite particles having good solubility and redispersibility in water are provided. The nanocomposite particles include a sugar material and nanoparticles containing a drug to be delivered and a biodegradable polymer, the sugar material being disaccharide, and a mass ratio of the nanoparticles to the disaccharide being within the range of from 40:60 to 60:40.Type: GrantFiled: March 16, 2007Date of Patent: January 1, 2013Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Kimiko Makino, Hiroshi Terada, Takehisa Nakajima, Keishiro Tomoda
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Patent number: 8328371Abstract: An anti-reflection structure body comprises a base member which is made of glassy carbon and at a surface of which is formed an anti-reflection structure including a cluster of minute projections each having a diameter that contracts towards a tip thereof. The minute projections preferably have an average height of from 200 nm to 3000 nm and an average maximum diameter of from 50 nm to 300 nm, and an average pitch of from 50 nm to 300 nm. An anti-reflection structure body which is easily produced, capable of achieving an anti-reflection effect near to non-reflection, and capable of providing the minute structure even to a member having a high melting point such as quartz glass or the like by transfer or the like can be provided.Type: GrantFiled: August 9, 2007Date of Patent: December 11, 2012Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventor: Jun Taniguchi
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Publication number: 20120212962Abstract: Provided is a light-emitting glass which is applicable to, e.g., white illuminators including a light-emitting diode as a light source, and which emits light of a warm white color when irradiated with near ultraviolet light and combines long-term weatherability with high heat resistance. Also provided are a light-emitting device equipped with the light-emitting glass and a process for producing the light-emitting glass. The light-emitting glass includes, as the base glass, borosilicate or silicate glass having a separated-phase structure, whereby the base glass is efficiently doped with, for example, transition metal ion clusters which emit light of a warm white color upon irradiation with near ultraviolet light. With this glass, it is possible to attain increases in excitation wavelength and emission wavelength. The glass thus emits, based on a multiple scattering effect, high-intensity light of a warm white color upon irradiation with near ultraviolet light.Type: ApplicationFiled: October 22, 2010Publication date: August 23, 2012Applicant: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Atsuo Yasumori, Tetsuo Kishi, Naoko Matsui
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Publication number: 20120214192Abstract: The present invention provides a method for producing an antigen-specific B cell population comprising IgG-positive B cells specific to a specific antigen, the method comprising: culturing IgG-positive B cells together with the specific antigen in the presence of IL-21, while conferring stimulation to the IgG-positive B cells via CD40, a BAFF receptor and Fas; and screening for antigen-specific B cells specific to the specific antigen to obtain an antigen-specific B cell population comprising the IgG-positive B cells specific to the specific antigen.Type: ApplicationFiled: October 25, 2010Publication date: August 23, 2012Applicant: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Daisuke Kitamura, Takuya Nojima
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Patent number: 8232329Abstract: An inkjet ink that prevents paper deformation such as curling, and also exhibits favorable pigment dispersibility. The inkjet ink includes at least a pigment, water, a water-soluble organic solvent having an ? value of not more than 65, and a dispersant, wherein the dispersant is a copolymer having a unit A represented by general formula (a) shown below and a unit B represented by general formula (b) shown below, and the mass ratio between the water-soluble organic solvent and the water satisfies (water-soluble organic solvent)/water=5/5 to 8/2. [In general formula (a), R1 represents a hydrogen atom or a lower alkyl group, and m represents an integer of 1 to 3.] [In general formula (b), R2 and R3 each represents a hydrogen atom or a lower alkyl group, wherein R2 and R3 may be the same or different, and n represents an integer of 1 to 250.Type: GrantFiled: August 27, 2009Date of Patent: July 31, 2012Assignees: Tokyo University of Science Educational Foundation Administrative Organization, Riso Kagaku CorporationInventors: Hidenori Otsuka, Masayuki Fukaishi, Takashi Ishizuka, Koji Ueno, Yoshihiro Saito, Teruaki Okawa, Naofumi Ezaki
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Patent number: 8216858Abstract: Provided are a ferroelectric material having good ferroelectricity and good insulation property, and a ferroelectric device using the ferroelectric material. In the present invention, the ferroelectric material includes a metal oxide having a perovskite-type crystal structure, in which: the metal oxide contains bismuth ferrite whose iron is substituted by manganese, and at least one of a copper oxide and a nickel oxide; the bismuth ferrite is substituted by manganese at a substitution ratio of 0.5 at. % or more to 20 at. % or less with respect to a total amount of iron and manganese; and at least one of the copper oxide and the nickel oxide is added in an amount of 0.5 mol % or more to 20 mol % or less with respect to the bismuth ferrite whose iron is substituted by manganese.Type: GrantFiled: February 4, 2010Date of Patent: July 10, 2012Assignees: Canon Kabushiki Kaisha, Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Kenji Takashima, Makoto Kubota, Soichiro Okamura, Takashi Nakajima, Tomosato Okubo, Yosuke Inoue
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Patent number: 8193394Abstract: Disclosed is a novel process for production of lasofoxifene, nafoxidine or an analogue thereof, which comprises reduced number of reaction steps, has a high efficiency, and is practically advantageous. For the production of lasofoxifene or an analogue thereof, a compound represented by the formula (4) is used as an intermediate. The compound represented by the formula (4) can be produced using compounds represented by the formulae (1) to (3) as starting compounds by performing the coupling of the three components in one step.Type: GrantFiled: January 25, 2007Date of Patent: June 5, 2012Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventors: Isamu Shiina, Yoshiyuki Sano, Kenya Nakata
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Patent number: 8183235Abstract: Disclosed is a compound represented by the formula (I) below as a dihydronaphthalene compound having a chemical structure which is excellent in production efficiency when compared with lasofoxifene and nafoxidine. This compound is useful as a proteasome inhibitor and/or an antitumor agent.Type: GrantFiled: September 11, 2008Date of Patent: May 22, 2012Assignee: Tokyo University of Science Educational Foundation Administrative OrganizationInventor: Isamu Shiina