Patents by Inventor Teiji TOMINAGA
Teiji TOMINAGA 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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Patent number: 11850232Abstract: A drug used for treating or preventing cerebral hemorrhage, the drug including, as an active ingredient, a compound represented by the following Formula (I) or a pharmaceutically acceptable salt, ester, or solvate thereof:Type: GrantFiled: November 30, 2020Date of Patent: December 26, 2023Assignee: BIOGEN MA INC.Inventors: Teiji Tominaga, Kuniyasu Niizuma
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Publication number: 20230046302Abstract: A blood flow field estimation apparatus is provided, including an estimation unit that uses a learned model obtained in advance by performing machine learning to learn a relationship between organ tissue three-dimensional structure data including image data of a plurality of organ cross-sectional images serving as cross-sectional images of an organ and having each pixel provided with two or more bit depths and image position information serving as information indicating a position of an image reflected on each of the organ cross-sectional images in the organ, and a blood flow field in the organ, and estimates the blood flow field in the organ of an estimation target, based on the organ tissue three-dimensional structure data of the organ of the estimation target, and an output unit that outputs an estimation result of the estimation unit.Type: ApplicationFiled: February 22, 2021Publication date: February 16, 2023Inventors: Hitomi ANZAI, Kazuhiro WATANABE, Gaoyang LI, Makoto OHTA, Teiji TOMINAGA, Kuniyasu NIIZUMA, Shinichiro SUGIYAMA
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Publication number: 20220395536Abstract: An object is to provide a cell product for treating and/or preventing vascular dementia. The present invention provides a cell product for treating or preventing vascular dementia, containing a SSEA-3-positive pluripotent stem cell (Muse cell) derived from a mesenchymal tissue in a living body or a SSEA-3-positive pluripotent stem cell derived from a cultured mesenchymal cell.Type: ApplicationFiled: August 7, 2020Publication date: December 15, 2022Applicants: TOHOKU UNIVERSITY, LIFE SCIENCE INSTITUTE, INC.Inventors: Kuniyasu NIIZUMA, Teiji TOMINAGA
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Publication number: 20210322381Abstract: A drug used for treating or preventing cerebral hemorrhage, the drug including, as an active ingredient, a compound represented by the following Formula (I) or a pharmaceutically acceptable salt, ester, or solvate thereof:Type: ApplicationFiled: November 30, 2020Publication date: October 21, 2021Inventors: Teiji TOMINAGA, Kuniyasu NIIZUMA
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Patent number: 10993966Abstract: An object of the present invention is to provide a novel medical application to regenerative medicine that uses pluripotent stem cells (Muse cells). The present invention provides a cell preparation for treating cerebral infarction and sequelae associated therewith that contains SSEA-3-positive pluripotent stem cells isolated from mesenchymal tissue in the body or cultured mesenchymal cells. The cell preparation of the present invention is based on a brain tissue regeneration mechanism by which Muse cells differentiate into nerve cells and the like in damaged brain tissue by administering Muse cells into cerebral parenchyma.Type: GrantFiled: January 23, 2017Date of Patent: May 4, 2021Assignees: LIFE SCIENCE INSTITUTE, INC., TOHOKU UNIVERSITYInventors: Masanori Yoshida, Mari Dezawa, Teiji Tominaga
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Patent number: 10758484Abstract: The present invention discloses a method for administering SN-38-loaded polymeric micelles into the central nervous system of a human subject via a convection-enhanced delivery system. The convection-enhanced delivery is achieved by using an osmotic pump or an infusion pump. Further, SN-38-loaded polymeric micelles are administered into a target region of the brain of the subject.Type: GrantFiled: August 24, 2015Date of Patent: September 1, 2020Assignee: Nippon Kayaku Co., Ltd.Inventors: Ryuta Saito, Teiji Tominaga
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Patent number: 10463647Abstract: The present invention provides an erythropoietin expression-enhancing agent that can cancel the suppression of erythropoietin production or promote erythropoietin production, and a therapeutic or preventive drug for anemia, a liver function-improving agent, an ischemic injury-improving agent, a renal protective agent, and an insulin secretagogue comprising the erythropoietin expression-enhancing agent. The erythropoietin expression-enhancing agent of the present invention comprises one or more compounds selected from the group consisting of compounds represented by the following general formulas (I), (II), and (III) and pharmaceutically acceptable salts thereof when R3 is OH.Type: GrantFiled: June 25, 2018Date of Patent: November 5, 2019Assignee: TOHOKU UNIVERSITYInventors: Takaaki Abe, Teiji Tominaga, Kenichiro Hayashi, Hitoshi Osaka
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Publication number: 20190099100Abstract: An object of the present invention is to provide a composite material that may be easily delivered and mounted in the living body. The object can be solved by a coated composite material characterized in that a composite material, in which a porous body is bounded to a substrate, is coated with at least one soluble component selected from a group consisting of a water-soluble compound, a temperature-sensitive soluble compound, and a pH sensitive soluble compound.Type: ApplicationFiled: March 30, 2017Publication date: April 4, 2019Applicant: TOHOKU UNIVERSITYInventors: Matsuhiko NISHIZAWA, Kuniaki NAGAMINE, Teiji TOMINAGA, Toru NAKAZAWA, Masaki IWASAKI, Atsuhiro NAKAGAWA, Tomohiro KAWAGUCHI, Ayako TOKUE, Hitoshi NIIKURA, Yoshikatsu SAIKI
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Publication number: 20180353475Abstract: The present invention provides an erythropoietin expression-enhancing agent that can cancel the suppression of erythropoietin production or promote erythropoietin production, and a therapeutic or preventive drug for anemia, a liver function-improving agent, an ischemic injury-improving agent, a renal protective agent, and an insulin secretagogue comprising the erythropoietin expression-enhancing agent. The erythropoietin expression-enhancing agent of the present invention comprises one or more compounds selected from the group consisting of compounds represented by the following general formulas (I), (II), and (III) and pharmaceutically acceptable salts thereof when R3 is OH.Type: ApplicationFiled: June 25, 2018Publication date: December 13, 2018Inventors: Takaaki ABE, Teiji TOMINAGA, Kenichiro HAYASHI, Hitoshi OSAKA
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Publication number: 20180214375Abstract: The present invention discloses a method for administering SN-38-loaded polymeric micelles into the central nervous system of a human subject via a convection-enhanced delivery system. The convection-enhanced delivery is achieved by using an osmotic pump or an infusion pump. Further, SN-38-loaded polymeric micelles are administered into a target region of the brain of the subject.Type: ApplicationFiled: August 24, 2015Publication date: August 2, 2018Applicant: Nippon Kayaku Co., Ltd.Inventors: Ryuta Saito, Teiji Tominaga
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Patent number: 10028766Abstract: A jet stream generating device that generates a jet stream of liquid includes: a cylindrical liquid chamber; a nozzle configured to open an end part of the liquid chamber and inject liquid F in the liquid chamber to outside; a liquid supply path configured to supply liquid F into the liquid chamber; a laser beam irradiation part configured to irradiate a pulse laser beam into the liquid chamber, and vaporize the liquid F in the liquid chamber; and a laser oscillator configured to control laser beam intensity and laser beam pulse width independently. An inner surface of the liquid chamber has a mirror plane for reflecting and guiding the pulse laser beam emitted from the laser beam irradiation part to the end part of the liquid chamber, and an adjusting part configured to adjust a distance between the nozzle and the laser beam irradiation part is included.Type: GrantFiled: December 17, 2014Date of Patent: July 24, 2018Assignee: Tohoku UniversityInventors: Atsuhiro Nakagawa, Teiji Tominaga, Michihiro Kaneda
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Patent number: 10004718Abstract: The present invention provides an erythropoietin expression-enhancing agent that can cancel the suppression of erythropoietin production or promote erythropoietin production, and a therapeutic or preventive drug for anemia, a liver function-improving agent, an ischemic injury-improving agent, a renal protective agent, and an insulin secretagogue comprising the erythropoietin expression-enhancing agent. The erythropoietin expression-enhancing agent of the present invention comprises one or more compounds selected from the group consisting of compounds represented by the following general formulas (I), (II), and (III) and pharmaceutically acceptable salts thereof when R3 is OH.Type: GrantFiled: November 25, 2013Date of Patent: June 26, 2018Assignees: Tohoku University, Kake Education Institution, Kanagawa Prefectural Hospital Organization Kanagawa Children's Medical CenterInventors: Takaaki Abe, Teiji Tominaga, Kenichiro Hayashi, Hitoshi Osaka
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Publication number: 20170128494Abstract: An object of the present invention is to provide a novel medical application to regenerative medicine that uses pluripotent stem cells (Muse cells). The present invention provides a cell preparation for treating cerebral infarction and sequelae associated therewith that contains SSEA-3-positive pluripotent stem cells isolated from mesenchymal tissue in the body or cultured mesenchymal cells. The cell preparation of the present invention is based on a brain tissue regeneration mechanism by which Muse cells differentiate into nerve cells and the like in damaged brain tissue by administering Muse cells into cerebral parenchyma.Type: ApplicationFiled: January 23, 2017Publication date: May 11, 2017Applicants: CLIO, INC., TOHOKU UNIVERSITYInventors: Masanori Yoshida, Mari Dezawa, Teiji Tominaga
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Publication number: 20170056042Abstract: A jet stream generating device that generates a jet stream of liquid includes: a cylindrical liquid chamber; a nozzle configured to open an end part of the liquid chamber and inject liquid F in the liquid chamber to outside; a liquid supply path configured to supply liquid F into the liquid chamber; a laser beam irradiation part configured to irradiate a pulse laser beam into the liquid chamber, and vaporize the liquid F in the liquid chamber; and a laser oscillator configured to control laser beam intensity and laser beam pulse width independently. An inner surface of the liquid chamber has a mirror plane for reflecting and guiding the pulse laser beam emitted from the laser beam irradiation part to the end part of the liquid chamber, and an adjusting part configured to adjust a distance between the nozzle and the laser beam irradiation part is included.Type: ApplicationFiled: December 17, 2014Publication date: March 2, 2017Applicant: Tohoku UniversityInventors: Atsuhiro Nakagawa, Teiji Tominaga, Michihiro Kaneda
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Publication number: 20170014149Abstract: A liquid ejection device that suppresses scatter of the living tissue, such as cells excised, fragmentated, or otherwise separated by ejected pulsed flow is provided. The liquid ejection device ejects, through a nozzle 4, first liquid 12 in the form of pulses supplied through an ejection tube 3 and includes a supply tube 23, through which second liquid 31 is supplied to a region in the vicinity of the nozzle 4. The liquid ejection device further includes a suction port 15, which is located in the vicinity of the nozzle 4, and a suction pump 18, which is connected to the suction port 15 via a suction tube 14 and sucks the first liquid 12 and the second liquid 31.Type: ApplicationFiled: March 2, 2015Publication date: January 19, 2017Inventors: Atsushi Nakayashiki, Motohiko Sato, Atsuhiro Nakagawa, Teiji Tominaga, Hideki Kojima
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Publication number: 20160082048Abstract: An object of the present invention is to provide a novel medical application to regenerative medicine that uses pluripotent stem cells (Muse cells). The present invention provides a cell preparation for treating cerebral infarction and sequelae associated therewith that contains SSEA-3-positive pluripotent stem cells isolated from mesenchymal tissue in the body or cultured mesenchymal cells. The cell preparation of the present invention is based on a brain tissue regeneration mechanism by which Muse cells differentiate into nerve cells and the like in damaged brain tissue by administering Muse cells into cerebral parenchyma.Type: ApplicationFiled: April 24, 2015Publication date: March 24, 2016Inventors: Masanori Yoshida, Mari Dezawa, Teiji Tominaga
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Publication number: 20150353489Abstract: The present invention provides an erythropoietin expression-enhancing agent that can cancel the suppression of erythropoietin production or promote erythropoietin production, and a therapeutic or preventive drug for anemia, a liver function-improving agent, an ischemic injury-improving agent, a renal protective agent, and an insulin secretagogue comprising the erythropoietin expression-enhancing agent. The erythropoietin expression-enhancing agent of the present invention comprises one or more compounds selected from the group consisting of compounds represented by the following general formulas (I), (II), and (III) and pharmaceutically acceptable salts thereof when R3 is OH.Type: ApplicationFiled: November 25, 2013Publication date: December 10, 2015Inventors: Takaaki ABE, Teiji TOMINAGA, Kenichiro HAYASHI, Hitoshi OSAKA
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Publication number: 20150283320Abstract: Occlusion of a blood vessel is improved by a medical treatment system including a ejection device that includes an insertion section insertable into a tissue of an animal and is capable of ejecting first liquid as a pulsating flow from a distal end of the insertion section and a control apparatus configured to bring the distal end of the insertion section close to a blood vessel in the tissue, which is a medical treatment target, and eject the first liquid as the pulsating flow from the distal end of the insertion section in a state in which second liquid is interposed in a region covering the blood vessel.Type: ApplicationFiled: April 2, 2015Publication date: October 8, 2015Inventors: Hiroshi KUNIKATA, Yuji TANAKA, Toru NAKAZAWA, Atsuhiro NAKAGAWA, Teiji TOMINAGA, Hideki KOJIMA