Patents Assigned to Chiba University
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Publication number: 20240382436Abstract: Provided is a novel compound having rapid and long-lasting therapeutic effects on diseases exhibiting depressive symptoms. Specifically, provided are an agent for prevention and/or treatment of a depressive symptom, consisting of R(?)-ketamine or a pharmacologically acceptable salt thereof, and a pharmaceutical composition for prevention and/or treatment of a depressive symptom, comprising R(?)-ketamine or a pharmacologically acceptable salt thereof in an effective amount for reducing a depressive symptom, and being substantially free of S(+)-ketamine, and a pharmacologically acceptable salt thereof.Type: ApplicationFiled: December 19, 2023Publication date: November 21, 2024Applicant: National University Corporation Chiba UniversityInventor: Kenji HASHIMOTO
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Patent number: 11980595Abstract: This preventive or therapeutic agent for inflammatory diseases or bone diseases, and this pharmaceutical composition for preventing or treating inflammatory diseases or bone diseases include, as effective components, a compound represented by formula (1) or a pharmaceutically acceptable salt thereof. [In formula (1), X is a hydrogen atom, a halogen atom, or a C1-C10 alkyl group that may be substituted; R1 is a C1-C10 alkyl group that may be substituted, a C1-C10 alkenyl group that may be substituted, or a C6-C14 aryl group that may be substituted; and one or more hydrogen atoms may be substituted with deuterium atoms.Type: GrantFiled: February 14, 2019Date of Patent: May 14, 2024Assignee: National University Corporation Chiba UniversityInventor: Kenji Hashimoto
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Patent number: 11948740Abstract: To provide an electrode for an electricity storage device, which electrode employs a porous conductor having conductive nanostructures formed on its surface and makes it possible to provide a less expensive electricity storage device having a high discharge capacity and high charge/discharge cycle resistance. A porous conductor which is used as an electrode for an electricity storage device has a plurality of conductive nanostructures on a surface of the porous conductor.Type: GrantFiled: September 19, 2018Date of Patent: April 2, 2024Assignees: National University Corporation Chiba University, TOMOEGAWA CORPORATIONInventors: Katsuyoshi Hoshino, Yousuke Sugawara, Rio Yamada, Aoi Magori, Nobuyuki Aoki, Keiichiro Haji, Daisuke Muramatsu
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Patent number: 11782061Abstract: The present inventors have surprisingly found that a deoxyhypusine synthase (DHPS) gene, which was previously reported to correlate with prostate cancer and cervical cancer, is highly responsive to arteriosclerosis or digestive system cancer, whereby the gene can be used as a desired marker for arteriosclerosis or digestive system cancer. The present invention has been accomplished on the basis of this finding. Specifically, the present invention provides a method for determining arteriosclerosis or digestive system cancer, which method includes detecting expression of a deoxyhypusine synthase gene in a test sample (preferably a blood sample), and determining arteriosclerosis or digestive system cancer of a test subject from which the test sample has been obtained, on the basis of an increase in the gene expression as an index.Type: GrantFiled: November 5, 2015Date of Patent: October 10, 2023Assignees: FUJIKURA KASEI CO., LTD., National University Corporation Chiba UniversityInventors: Rika Nakamura, Hideyuki Kuroda, Go Tomiyoshi, Takaki Hiwasa, Masaki Takiguchi, Naokatsu Saeki
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Publication number: 20230030814Abstract: The problem that differences among lots in components and amounts of growth factors and the like in platelet-rich plasmas derived from an autologous plasma and the freeze-dried preparations thereof are large, and the effects of the lots are not kept constant is solved. Specifically, a freeze-dried preparation comprising megakaryocytes and platelets induced to differentiate from stem cells, a pharmaceutical composition comprising the freeze-dried preparation, and the like are provided.Type: ApplicationFiled: December 11, 2020Publication date: February 2, 2023Applicants: National University Corporation Chiba University, Kyoto UniversityInventors: Seiji Ohtori, Yasuhiro Shiga, Kentaro Kosaka, Koji Eto
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Patent number: 11479769Abstract: Provided is a novel technique for treating cancer using structurally-reinforced S-TuD. Provided are: a composition for the prevention or treatment of tumors, said composition comprising an miRNA inhibitory complex including RNA of analog thereof; and a method for preventing or treating tumors using said composition. The miRNA inhibitory complex preferably includes at least one double-stranded structure and an miRNA-binding sequence. Two strands of the miRNA binding sequence preferably bind individually to two strands on at least one end of the double-stranded structure. According to some of the aspects of the present invention, there is provided a delivery system for delivering such an miRNA inhibitory complex.Type: GrantFiled: March 16, 2018Date of Patent: October 25, 2022Assignees: National University Corporation Chiba University, GeneDesign, Inc., NOF CorporationInventors: Hideo Iba, Takeshi Haraguchi, Hirokazu Nankai, Hideaki Sato
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Patent number: 11467784Abstract: An information processing apparatus includes circuitry and a memory, the circuitry performing perceptual image conversion of converting two image data generated from one color image data respectively into perceptual images based on human visual characteristics, collation of determining whether the two perceptual images converted by the perceptual image conversion are same, and comparison result outputting of outputting the comparison result by the collation.Type: GrantFiled: September 8, 2021Date of Patent: October 11, 2022Assignees: Ricoh Company, Ltd., National University Corporation Chiba UniversityInventors: Takahiko Horiuchi, Ren Nakamura, Midori Tanaka, Shoko Imaizumi, Tsuyoshi Sakamoto, Tatsuroh Yoshioka, Kazuhiro Miyabe
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Patent number: 11393596Abstract: A medical information providing system 1 includes a medication examination information extracting unit 21d and a database management unit 21e in a medication examination DB server 20. The medication examination information extracting unit 21d extracts information on clinical examination relating to a medication that requires clinical examination when it is prescribed from at least one of package insert data and prescription guideline data concerning functional decline of internal organs, for plural types of medications. In addition, the medication examination information extracting unit 21d generates a medication examination database in which the extracted clinical examination information on the medication and the medication are stored in association with each other.Type: GrantFiled: February 28, 2017Date of Patent: July 19, 2022Assignees: National University Corporation Chiba University, Medipharm Co., Ltd, Higashi-Nihon Medicom Co., Ltd.Inventors: Itsuko Ishii, Iichiro Yokoyama, Masanori Ogawa, Tadashi Nomoto
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Patent number: 11391745Abstract: Objects of the present invention are to find a marker by which progression of arteriosclerosis can be directly grasped, to thereby provide motivation for prevention or treatment of arteriosclerosis itself, and to provide means for accurately grasping condition of arteriosclerosis-related disease including arteriosclerotic disease. The invention provides a method for acquiring data on progression of arteriosclerosis, the method including determining a level of an antibody against SH3BP5 protein or a part thereof in a body fluid sample collected from a biological body, and a data acquisition kit for performing the data acquisition method.Type: GrantFiled: November 10, 2017Date of Patent: July 19, 2022Assignees: FUJIKURA KASEI CO., LTD., National University Corporation Chiba UniversityInventors: Hideyuki Kuroda, Rika Nakamura, Go Tomiyoshi, Takaki Hiwasa
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Publication number: 20220127415Abstract: A liquid composition includes a thiophene polymer; and at least one polymerization component selected from the group including a monomer and an oligomer.Type: ApplicationFiled: September 28, 2021Publication date: April 28, 2022Applicants: FUJIFILM Business Innovation Corp., National University Corporation Chiba UniversityInventors: Wataru YAMADA, Satoya SUGIURA, Natsumi KANEKO, Katsuyoshi HOSHINO
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Publication number: 20220075573Abstract: An information processing apparatus includes circuitry and a memory, the circuitry performing perceptual image conversion of converting two image data generated from one color image data respectively into perceptual images based on human visual characteristics, collation of determining whether the two perceptual images converted by the perceptual image conversion are same, and comparison result outputting of outputting the comparison result by the collation.Type: ApplicationFiled: September 8, 2021Publication date: March 10, 2022Applicants: Ricoh Company, Ltd., National University Corporation Chiba UniversityInventors: Takahiko Horiuchi, Ren Nakamura, Midori Tanaka, Shoko Imaizumi, Tsuyoshi Sakamoto, Tatsuroh Yoshioka, Kazuhiro Miyabe
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Publication number: 20220071929Abstract: Provided is a novel compound having rapid and long-lasting therapeutic effects on diseases exhibiting depressive symptoms. Specifically, provided are an agent for prevention and/or treatment of a depressive symptom, consisting of R(?)-ketamine or a pharmacologically acceptable salt thereof, and a pharmaceutical composition for prevention and/or treatment of a depressive symptom, comprising R(?)-ketamine or a pharmacologically acceptable salt thereof in an effective amount for reducing a depressive symptom, and being substantially free of S(+)-ketamine, and a pharmacologically acceptable salt thereof.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Applicant: National University Corporation Chiba UniversityInventor: Kenji HASHIMOTO
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Patent number: 11207279Abstract: Provided is a novel compound having rapid and long-lasting therapeutic effects on diseases exhibiting depressive symptoms. Specifically, provided are an agent for prevention and/or treatment of a depressive symptom, consisting of R(?)-ketamine or a pharmacologically acceptable salt thereof, and a pharmaceutical composition for prevention and/or treatment of a depressive symptom, comprising R(?)-ketamine or a pharmacologically acceptable salt thereof in an effective amount for reducing a depressive symptom, and being substantially free of S(+)-ketamine, and a pharmacologically acceptable salt thereof.Type: GrantFiled: July 26, 2019Date of Patent: December 28, 2021Assignee: National University Corporation Chiba UniversityInventor: Kenji Hashimoto
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Patent number: 11193948Abstract: Provided is a method for quantifying vitamin D, with the vitamin D contained in a biological sample being derivatized with a derivatization reagent and being measured with a mass spectrometer, the method including, a derivatization step of derivatizing n number of samples by using n types of 4-(4?-dimethylaminophenyl)-1,2,4-triazoline-3,5-dione (DAPTAD) isotopologues respectively as derivatization reagents, a mixing step of mixing the n types of derivatization samples obtained in the derivatization step, and a quantitative analysis step of subjecting each of the n types of vitamin D derivatives contained in the mixed sample obtained in the mixing step to quantitative analysis using a mass spectrometer.Type: GrantFiled: November 15, 2017Date of Patent: December 7, 2021Assignees: Tokyo University of Science, National University Corporation Chiba University, JEOL Ltd.Inventors: Tatsuya Higashi, Shoujiro Ogawa, Fumio Nomura, Mamoru Satoh, Masaki Takiwaki
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Publication number: 20210170058Abstract: The present invention relates to a labeling technique which can facilitate the metabolism in the liver after administration to patients without the reduction in the antibody function, thereby reducing accumulation of radionuclides in an organ such as the liver, and provides a modified antibody containing an IgG antibody and an IgG-binding peptide bound to the IgG antibody. The IgG-binding peptide has an amino acid sequence consisting of 13 to 17 amino acid residues, such as GPDCAYH(Xaa1)GELVWCTFH wherein Xaa1 represents a lysine residue, a cysteine residue, an aspartic acid residue, a glutamic acid residue, 2-aminosuberic acid, or diaminopropionic acid, and a compound represented by the following formula (II-1) is linked at a position of the lysine residue via a modification linker to the N terminus of the IgG-binding peptide.Type: ApplicationFiled: April 15, 2019Publication date: June 10, 2021Applicants: NIHON MEDI-PHYSICS CO., LTD., National University Corporation Kagoshima University, National University Corporation Chiba UniversityInventors: Shota KOMOTO, Yu OGAWA, Yoshinari SHOYAMA, Tadashi HATANO, Yuji ITO, Yasushi ARANO, Hiroyuki SUZUKI, Tomoya UEHARA
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Publication number: 20210106612Abstract: The present invention provides a target gene transcriptional repression inhibitor that can be designed in a sequence-specific manner, a composition containing the same, and use thereof. More specifically, the present invention provides a composition for use in inhibiting repression of gene expression by DNA methylation in a living subject, comprising pyrrole imidazole polyamide or a conjugate of pyrrole imidazole polyamide and a histone modifying enzyme inhibitor, wherein the pyrrole imidazole polyamide or the conjugate of pyrrole imidazole polyamide and a histone modifying enzyme inhibitor is designed so as to bind in a sequence-specific manner to a minor groove of promoter region DNA of the gene.Type: ApplicationFiled: February 1, 2017Publication date: April 15, 2021Applicant: National University Corporation Chiba UniversityInventors: Atsushi KANEDA, Ken-ichi SHINOHARA, Tetsuhiro NEMOTO
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Patent number: 10865247Abstract: The present invention provides an antibody that specifically binds to human CD69, has an activity to suppress allergic inflammation, and has cross-reactivity with mouse CD69. In addition, the present invention provides an antibody having high binding affinity for human CD69 and an activity to suppress allergic inflammations. The antibody of the present invention can be a human antibody.Type: GrantFiled: February 20, 2020Date of Patent: December 15, 2020Assignees: GeneFrontier Corporation, National University Corporation Chiba UniversityInventors: Kanehisa Kojoh, Akira Miyakoshi, Shizue Katoh, Kumiko Tsuihiji, Yuki Hayami, Mikiko Nakamura, Toshinori Nakayama, Chiaki Iwamura
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Patent number: 10759749Abstract: A nobel therapeutic agent for diabetes which can suppress occurrence of side effects such as persistent hypoglycemia is provided. The active ingredient is a derivative of 1,1-diphenylsemicarbazide or 1,1-diphenylthiosemicarbazide. In particular, the active ingredient is a derivative of 1,1-diphenyl-4-cyclohexyl-semicarbazide or 1,1-diphenyl-4-cyclohexyl-thiosemicarbazide exhibiting hypoglycemic action when orally administered.Type: GrantFiled: August 28, 2017Date of Patent: September 1, 2020Assignees: JCR Pharmaceuticals Co., Ltd., National University Corporation Kone University, National University Corporation Chiba UniversityInventors: Susumu Seino, Kenji Sugawara, Ichiro Mori, Akio Matsumoto, Yoshie Reien
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Patent number: 10761102Abstract: Provided is a method for derivatizing an s-cis-diene compound with a Cookson-type derivatization reagent, the method including adding, in a reaction stopping step of stopping a derivatization reaction of the s-cis-diene compound, a decomposition inhibitor to inhibit decomposition of a derivative to be obtained.Type: GrantFiled: September 28, 2017Date of Patent: September 1, 2020Assignees: Tokyo University of Science, National University Corporation Chiba University, JEOL Ltd.Inventors: Tatsuya Higashi, Shoujiro Ogawa, Fumio Nomura, Mamoru Satoh, Masaki Takiwaki
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Publication number: 20200199235Abstract: The present invention provides an antibody that specifically binds to human CD69, has an activity to suppress allergic inflammation, and has cross-reactivity with mouse CD69. In addition, the present invention provides an antibody having high binding affinity for human CD69 and an activity to suppress allergic inflammations. The antibody of the present invention can be a human antibody.Type: ApplicationFiled: February 20, 2020Publication date: June 25, 2020Applicants: GeneFrontier Corporation, National University Corporation Chiba UniversityInventors: Kanehisa Kojoh, Akira Miyakoshi, Shizue Katoh, Kumiko Tsuihiji, Yuki Hayami, Mikiko Nakamura, Toshinori Nakayama, Chiaki Iwamura