Patents by Inventor Daigo Asano
Daigo Asano 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).
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Publication number: 20250082771Abstract: The present disclosure relates to the field of pharmaceutical preparations, dosage regimens, and administration of an antibody-drug conjugate (ADC). More specifically, the ADC is composed of an anti-cadherin-6 (CDH6) antibody connected via a linker to an anticancer agent, such as topoisomerase I inhibitor.Type: ApplicationFiled: November 22, 2024Publication date: March 13, 2025Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Robert Mcleod, Yusuke Myobatake, Tomomichi Ishizaka, Yumi Nishiya, Chiemi Saito, Hirokazu Suzuki, Shotaro Nagase, Thuy Vu Craveiro, Kulandayan Subramanian, Jie Lin, Daigo Asano, Felipe Kellermann Hurtado
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Patent number: 9095600Abstract: The present invention relates to a novel preventive and/or therapeutic drug for myocardial infarction. The present invention provides a preventive and/or therapeutic drug for myocardial infarction or myocardial ischemia-reperfusion injury, the drug containing a lipid membrane structure retaining adenosine.Type: GrantFiled: September 18, 2009Date of Patent: August 4, 2015Assignees: OSAKA UNIVERSITY, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER, DAIICHI SANKYO COMPANY, LIMITEDInventors: Tetsuo Minamino, Masafumi Kitakaze, Masatsugu Hori, Hiroyuki Takahama, Hiroshi Kikuchi, Kouichi Hashimoto, Hideo Kobayashi, Ayako Iijima, Daigo Asano
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Patent number: 8920832Abstract: The invention provides a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates an effective nucleic acid transfection into a cell, and which improves expression of the nucleic acid in the cell. The composition for transfecting a nucleic acid into a cell, contains a di(C12-16 alkyl)dimethylammonium halide and a phospholipid.Type: GrantFiled: September 29, 2011Date of Patent: December 30, 2014Assignee: Hokkaido System Science Co., Ltd.Inventors: Hiroshi Kikuchi, Hideo Kobayashi, Kouichi Hashimoto, Ayako Iijima, Daigo Asano, Junko Yasuda
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Patent number: 8685981Abstract: Compounds exhibiting an osteogenesis-promoting action having the general formula (I) or a pharmacologically acceptable salt thereof: wherein A is selected from among a 3- to 10-membered heterocyclyl group, B is selected from among an amino group, and X is selected from N and CH.Type: GrantFiled: July 14, 2011Date of Patent: April 1, 2014Assignee: Daiichi Sankyo Company, LimitedInventors: Osamu Kanno, Katsuyoshi Nakajima, Kazumasa Aoki, Ryoichi Tanaka, Shimpei Hirano, Kiyoshi Oizumi, Daigo Asano
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Publication number: 20130149369Abstract: The invention provides a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates an effective nucleic acid transfection into a cell, and which improves expression of the nucleic acid in the cell. The composition for transfecting a nucleic acid into a cell, contains a di(C12-16 alkyl)dimethylammonium halide and a phospholipid.Type: ApplicationFiled: September 29, 2011Publication date: June 13, 2013Applicants: DAIICHI FINE CHEMICAL CO., LTD., HOKKAIDO SYSTEM SCIENCE CO., LTD.Inventors: Hiroshi KIKUCHI, Hideo Kobayashi, Kouichi Hashimoto, Ayako Iijima, Daigo Asano, Junko Yasuda
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Patent number: 8227248Abstract: To provide a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates a nucleic acid transfection into cells, and which improves expression of the nucleic acid in the cells. The invention provides a composition for transfecting a nucleic acid into a cell, including a compound represented by the following formula (I) (wherein each of R1 and R2, which are identical to or different from each other, represents a saturated or unsaturated hydrocarbon group; R3 represents a C1-6 alkyl group or a C1-6 hydroxyalkyl group; m is an integer from 1 to 10; and X represents a halogen atom), and a phospholipid.Type: GrantFiled: June 29, 2007Date of Patent: July 24, 2012Assignee: Hokkaido System Science Co., Ltd.Inventors: Hiroshi Kikuchi, Hideo Kobayashi, Kouichi Hashimoto, Ayako Iijima, Daigo Asano
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Publication number: 20110269746Abstract: Compounds exhibiting an osteogenesis-promoting action having the general formula (I) or a pharmacologically acceptable salt thereof: wherein A is selected from among a 3- to 10-membered heterocyclyl group, B is selected from among an amino group, and X is selected from N and CH.Type: ApplicationFiled: July 14, 2011Publication date: November 3, 2011Applicant: Daiichi Sankyo Company, LimitedInventors: Osamu Kanno, Katsuyoshi Nakajima, Kazumasa Aoki, Ryoichi Tanaka, Shimpei Hirano, Kiyoshi Oizumi, Daigo Asano
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Publication number: 20100098753Abstract: The present invention relates to a novel preventive and/or therapeutic drug for myocardial infarction. The present invention provides a preventive and/or therapeutic drug for myocardial infarction or myocardial ischemia-reperfusion injury, the drug containing a lipid membrane structure retaining adenosine.Type: ApplicationFiled: September 18, 2009Publication date: April 22, 2010Applicants: Osaka University, JAPAN AS REP. BY THE PRES. OF NAT'L. CARDIO. CENTR, DAIICHI SANKYO COMPANY, LIMITEDInventors: Tetsuo MINAMINO, Masafumi Kitakaze, Masatsugu Hori, Hiroyuki Takahama, Hiroshi Kikuchi, Kouichi Hashimoto, Hideo Kobayashi, Ayako IIJIMA, Daigo Asano
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Publication number: 20100055684Abstract: The invention provides a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates an effective nucleic acid transfection into a cell, and which improves expression of the nucleic acid in the cell. The composition for transfecting a nucleic acid into a cell, contains a di(C12-16 alkyl)dimethylammonium halide and a phospholipid.Type: ApplicationFiled: June 29, 2007Publication date: March 4, 2010Applicants: HOKKAIDO SYSTEM SCIENCE CO., LTD., DAIICHI FINE CHEMICAL CO., LTD.Inventors: Hiroshi Kikuchi, Hideo Kobayashi, Kouichi Hashimoto, Ayako Iijima, Daigo Asano, Junko Yasuda
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Publication number: 20090239222Abstract: To provide a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates a nucleic acid transfection into cells, and which improves expression of the nucleic acid in the cells. The invention provides a composition for transfecting a nucleic acid into a cell, including a compound represented by the following formula (I) (wherein each of R1 and R2, which are identical to or different from each other, represents a saturated or unsaturated hydrocarbon group; R3 represents a C1-6 alkyl group or a C1-6 hydroxyalkyl group; m is an integer from 1 to 10; and X represents a halogen atom), and a phospholipid.Type: ApplicationFiled: June 29, 2007Publication date: September 24, 2009Inventors: Hiroshi Kikuchi, Hideo Kobayashi, Kouichi Hashimoto, Ayako Iijima, Daigo Asano
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Publication number: 20090233366Abstract: Composition with weak cytotoxicity for introducing a nucleic acid, such as a short oligonucleotide or a gene, into a cell for expression of the gene in the cell. The composition includes a lipid and a compound represented by a formula (I): (R1)n-R2-R3??(I) wherein (R1)n represents a polyamino acid residue consisting of a total of n amino acid residues, which are identical to or different from one another, the n residues being selected from an arginine residue, a lysine residue, and a histidine residue, and n being an integer of from 4 to 16; R2 represents a single bond or an amino acid residue; and R3 represents a phospholipid residue with 1 or 2 identical or different unsaturated fatty acid residues having from 12 to 20 carbon atoms. The composition is administered or supplied to a cell together with a nucleic acid.Type: ApplicationFiled: April 29, 2009Publication date: September 17, 2009Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Hiroshi Kikuchi, Kouichi Hashimoto, Hideo Kobayashi, Ayako Iijima, Daigo Asano