Patents by Inventor Hironori Matsunaga

Hironori Matsunaga 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).

  • Publication number: 20240115720
    Abstract: The present invention provides a novel anti-DLL3 antibody-pyrrolodiazepine derivative and a novel anti-DLL3 anti-body-pyrrolodiazepine derivative conjugate using the same.
    Type: Application
    Filed: January 13, 2022
    Publication date: April 11, 2024
    Applicants: MEMORIAL SLOAN KETTERING CANCER CENTER, TRI-INSTITUTIONAL THERAPEUTICS DISCOVERY INSTITUTE, DAIICHI SANKYO COMPANY, LIMITED
    Inventors: John T. POIRIER, Charles RUDIN, Jason LEWIS, Abdul KHAN, David ANDREW, Xinlei CHEN, Ivo LORENZ, Hironori MATSUNAGA
  • Publication number: 20240115721
    Abstract: It is an object of the present invention to provide an antibody-drug conjugate of an antibody binding to DLL3 and a drug having antitumor activity, a pharmaceutical composition comprising the antibody-drug conjugate and having therapeutic effects on a tumor, a method for treating a tumor using the antibody-drug conjugate or the pharmaceutical composition, and the like. The present invention provides an antibody-drug conjugate of an antibody binding to DLL3 and a drug having antitumor activity, a pharmaceutical composition comprising the antibody or the antibody-drug conjugate, and a method for treating a tumor.
    Type: Application
    Filed: January 13, 2022
    Publication date: April 11, 2024
    Applicants: MEMORIAL SLOAN KETTERING CANCER CENTER, TRI-INSTITUTIONAL THERAPEUTICS DISCOVERY INSTITUTE, DAIICHI SANKYO COMPANY, LIMITED
    Inventors: John T. POIRIER, Charles RUDIN, Jason LEWIS, Abdul KHAN, David ANDREW, Xinlei CHEN, Ivo LORENZ, Hironori MATSUNAGA
  • Patent number: 10040791
    Abstract: It has been found that a compound of the general formula (I) having an isoxazole skeleton has excellent inhibitory activity against mutant IDH1 protein and inhibits the production of 2-HG by this protein, while the compound is also capable of effectively inhibiting the growth of various tumors expressing the protein. In the formula, R1, R2, R3, Y, and Z are as defined in claim 1.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: August 7, 2018
    Assignees: Daiichi Sankyo Company, Limited, National Cancer Center
    Inventors: Shoichi Saito, Masao Itoh, Tetsunori Fujisawa, Hironao Saito, Yohei Kiyotsuka, Hideaki Watanabe, Hironori Matsunaga, Yoshiko Kagoshima, Tetsuya Suzuki, Yoko Ogawara, Kazuo Kitabayashi
  • Publication number: 20170313696
    Abstract: It has been found that a compound of the general formula (I) having an isoxazole skeleton has excellent inhibitory activity against mutant IDH1 protein and inhibits the production of 2-HG by this protein, while the compound is also capable of effectively inhibiting the growth of various tumors expressing the protein. In the formula, R1, R2, R3, Y, and Z are as defined in claim 1.
    Type: Application
    Filed: October 1, 2015
    Publication date: November 2, 2017
    Applicants: Daiichi Sankyo Company, Limited, National Cancer Center
    Inventors: Shoichi Saito, Masao Itoh, Tetsunori Fujisawa, Hironao Saito, Yohei Kiyotsuka, Hideaki Watanabe, Hironori Matsunaga, Yoshiko Kagoshima, Tetsuya Suzuki, Yoko Ogawara, Kazuo Kitabayashi
  • Patent number: 8785438
    Abstract: A compound represented by formula (I) having mTOR inhibitory activity or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: July 22, 2014
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Masami Ohtsuka, Noriyasu Haginoya, Masanori Ichikawa, Hironori Matsunaga, Hironao Saito, Yoshihiro Shibata, Tomoyuki Tsunemi
  • Patent number: 8436012
    Abstract: A compound represented by formula (I) having mTOR inhibitory activity or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: May 7, 2013
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Masami Ohtsuka, Noriyasu Haginoya, Masanori Ichikawa, Hironori Matsunaga, Hironao Saito, Yoshihiro Shibata, Tomoyuki Tsunemi
  • Publication number: 20110082138
    Abstract: A compound represented by formula (I) having mTOR inhibitory activity or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: November 24, 2010
    Publication date: April 7, 2011
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Masami Ohtsuka, Noriyasu Haginoya, Masanori Ichikawa, Hironori Matsunaga, Hironao Saito, Yoshihiro Shibata, Tomoyuki Tsunemi
  • Patent number: 6440591
    Abstract: A ferroelectric thin film coated substrate is obtained by a producing method of forming a metal oxide buffer layer on a substrate, forming a first crystalline ferroelectric thin film thereon by means of a MOCVD method and forming a second ferroelectric thin film with a film thickness thicker than that of the first ferroelectric thin film thereon by means of the MOCVD method at a temperature lower than that of the first ferroelectric thin film. This producing method makes it possible to produce a ferroelectric thin film, where its surface is dense and even, a leakage current properties are excellent and sufficiently large remanent spontaneous polarization is shown, at a lower temperature.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: August 27, 2002
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hironori Matsunaga, Takeshi Kijima, Sakiko Satoh, Masayoshi Koba
  • Patent number: 6307225
    Abstract: A bismuth silicate film (insulating film) 3 of Bi2SiO5 oriented predominantly in the direction of (100) is formed on a Si substrate 2 and a ferroelectric thin film 4 is formed on the bismuth silicate film 3 to create an MFIS structure having a c-axis-oriented ferroelectric thin film 4 formed with good reproducibility. A highly reliable thin film device is produced by applying the MFIS structure to a FET.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: October 23, 2001
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takeshi Kijima, Hironori Matsunaga
  • Patent number: 6232167
    Abstract: A ferroelectric thin film coated substrate is obtained by a producing method of forming a crystalline thin film on a substrate by means of a MOCVD method at a substrate temperature at which crystal grows and of forming a ferroelectric thin film on the crystalline thin film by means of the MOCVD method at a film forming temperature, which is lower than the film forming temperature of the crystalline thin film. This producing method makes it possible to produce a ferroelectric thin film, where a surface of the thin film is dense and even, leakage current properties are excellent and sufficiently large remanent spontaneous polarization is shown, at a lower temperature.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: May 15, 2001
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Sakiko Satoh, Takeshi Kijima, Hironori Matsunaga, Masayoshi Koba
  • Patent number: 6197600
    Abstract: A ferroelectric thin film includes: a bismuth oxide polycrystal thin film constituting a buffer layer, and a bismuth-based layered compound thin film represented by the formula: Bi2Am-1BmO3m+3 wherein A is an atom selected from the group consisting of Na, K, Pb, Ca, Sr, Ba and Bi; B is an atom selected from the group consisting of Fe, Ti, Nb, Ta, W and Mo; and m is an integer of 1 or more. The bismuth oxide polycrystal thin film and the bismuth-based layered compound thin film are formed into a single-phase.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: March 6, 2001
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takeshi Kijima, Maho Ushikubo, Hironori Matsunaga
  • Patent number: 6165622
    Abstract: A ferroelectric thin film includes a ferroelectric crystal containing Bi, Ti and O as constituent elements, wherein the composition ratio of Bi/Ti in the ferroelectric thin film is shifted from a stoichiometric composition. Also, a substrate provided with a ferroelectric thin film, a device having a capacitor structure used for a ferroelectric memory device, a pyroelectric sensor device, a piezoelectric device or the like, and a method for manufacturing a ferroelectric thin film are disclosed.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: December 26, 2000
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takeshi Kijima, Hironori Matsunaga
  • Patent number: 6162293
    Abstract: A method for manufacturing a ferroelectric thin film having a layered perovskite crystal structure of the general formula: Bi.sub.2 A.sub.m-1 B.sub.m O.sub.3m+3, wherein A is selected from the group consisting of Na.sup.1+, K.sup.1+, Pb.sup.2+, Ca.sup.2+, Sr.sup.2+, Ba.sup.2+ and Bi.sup.3+, B is selected from the group consisting of Fe.sup.3+, Ti.sup.4+, Nb.sup.5+, Ta.sup.5+, W.sup.6+ and Mo.sup.6+, and m represents an integer of 1 or larger, which comprises introducing into a film formation chamber where a substrate is set, gaseous starting materials inclusive of oxygen gas for forming the ferroelectric thin film in which the flow rate of oxygen gas as one component of the gaseous starting materials is controlled to an arbitrary value necessary for the formation of the ferroelectric thin film having a desired orientation while the pressure inside the film formation chamber and the total flow rate of the gaseous starting materials and an optionally introduced carrier gas are maintained constant.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: December 19, 2000
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takeshi Kijima, Akira Okutoh, Maho Ushikubo, Hironori Matsunaga
  • Patent number: 5851841
    Abstract: A method for producing a ferroelectric element having a lower electrode layer, a ferroelectric film and an upper electrode layer provided in sequence on the substrate is disclosed. The method comprising the step of applying a metal-contained precursor solution to the surface of the lower electrode layer formed on the substrate, the step of drying the applied precursor solution to remove the solution alone by heating it, a first heat treatment step for heating the dried precursor to form a ferroelectric film, and a second heat treatment step for heating the formed film element in a gas-pressurized atmosphere of lower than 1 atmosphere after forming an upper electrode layer on the ferroelectric film.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: December 22, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Maho Ushikubo, Yasuyuki Ito, Seiichi Yokoyama, Hironori Matsunaga, Masayoshi Koba
  • Patent number: 5821005
    Abstract: A ferroelectrics thin-film coated substrate is manufactured in a low-temperature process by using a ferroelectrics having a dense and even surface and exhibiting a large residual spontaneous polarization. A ferroelectrics thin-film coated substrate has a structure with a buffer layer, a growth layer allowing a ferroelectrics thin-film to grow, and a ferroelectrics thin-film made of a ferroelectric material having a layered crystalline structure expressed in the chemical formula Bi.sub.2 A.sub.m-1 B.sub.m O.sub.3m+3 (A is selected from Na.sup.1+, K.sup.1+, Pb.sup.2+, Ca.sup.2+, Sr.sup.2+, Ba.sup.2+, Bi.sup.3+ and the like, B is selected from Fe.sup.3+, Ti.sup.4+, Nb.sup.5+, Ta.sup.5+, W.sup.6+ and Mo.sup.6+, and m is an integer not less than 1) formed in succession.
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: October 13, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takeshi Kijima, Sakiko Satoh, Hironori Matsunaga, Masayoshi Koba
  • Patent number: 5811181
    Abstract: A close a-axis orientating film having a smooth surface and excellent ferroelectric characteristics is manufactured at a low temperature with preferable reproducibility to apply ferroelectric Bi.sub.4 Ti.sub.3 O.sub.12 to development of various kinds of devices such as a ferroelectric non-volatile memory, a pyroelectric sensor, etc. A ferroelectric Bi.sub.4 Ti.sub.3 O.sub.12 thin film is formed on a substrate through a titanium oxide buffer layer so that closeness and surface smoothness of the Bi.sub.4 Ti.sub.3 O.sub.12 thin film manufactured on the titanium oxide buffer layer can be improved.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: September 22, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takeshi Kijima, Sakiko Satoh, Hironori Matsunaga, Masayoshi Koba, Noboru Ohtani
  • Patent number: 5757061
    Abstract: A ferroelectric thin film coated substrate is obtained by a producing method of forming a crystalline thin film on a substrate by means of a MOCVD method at a substrate temperature at which crystal grows and of forming a ferroelectric thin film on the crystalline thin film by means of the MOCVD method at a film forming temperature, which is lower than the film forming temperature of the crystalline thin film. This producing method makes it possible to produce a ferroelectric thin film, where a surface of the thin film is dense and even, leakage current properties are excellent and sufficiently large remanent spontaneous polarization is shown, at a lower temperature.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: May 26, 1998
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Sakiko Satoh, Takeshi Kijima, Hironori Matsunaga, Masayoshi Koba
  • Patent number: 5576564
    Abstract: The present invention provides a substrate providing a ferroelectric crystal thin film which includes an electrode formed on a semiconductor single crystal substrate and a ferroelectric crystal thin film of Bi.sub.4 Ti.sub.3 O.sub.12 formed on the electrode through the intermediary of a buffer layer.
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: November 19, 1996
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Sakiko Satoh, Hironori Matsunaga, Kenji Nakanishi, Yoshiyuki Masuda, Masayoshi Koba
  • Patent number: 5128007
    Abstract: A method for evaluating a lithium niobate thin film includes measuring an absorption edge wavelength of a lithium niobate thin film and evaluating a lithium-to-niobium composition ratio of the thin film, and an apparatus for preparing a thin film including a thin film-forming body capable of controlling the lithium-to-niobium composition ratio of a lithium niobate thin film being formed and an evaluation device for evaluating the lithium-to-niobium composition ratio, the evaluation device being provided with a monitor substrate, an optical path for spectrometry, an ultraviolet ray source and a measurement part for measuring an absorption edge wavelength of the thin film.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: July 7, 1992
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hironori Matsunaga, Hirotaka Ohno, Yasunari Okamoto
  • Patent number: 4981714
    Abstract: A method of producing a ferroelectric thin film comprising the steps of evaporating metal Li or an oxide thereof as a Li source, metal Nb or an oxide thereof as a Nb source and metal Ta or an oxide thereof as a Ta source in a substantially oxygen gas plasma atmosphere while controlling the respective heating temperatures independently from each other and simultaneously depositing the Li, Nb and Ta on a substrate so as to obtain an LiNb.sub.1-x Ta.sub.x O.sub.3 (0<x<1) thin film which shows ferroelectricity.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: January 1, 1991
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hirotaka Ohno, Hironori Matsunaga, Yasunari Okamoto, Yoshiharu Nakajima