Patents by Inventor Masaki Sudo
Masaki Sudo 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: 12660590Abstract: A semiconductor device includes: a first control electrode and a second control electrode for switching that are formed in a first main surface and a second main surface, respectively, of a semiconductor substrate; a first control electrode pad electrically connected to the first control electrode; a first through-via penetrating the semiconductor substrate in a thickness direction and including a conductor electrically connecting the first main surface to the second main surface; and a second control electrode pad formed on the first main surface and electrically connected to the second control electrode through the first through-via.Type: GrantFiled: September 21, 2023Date of Patent: June 16, 2026Assignee: Mitsubishi Electric CorporationInventors: Masanori Tsukuda, Akihisa Yamamoto, Tatsuya Kawase, Masaki Sudo, Shinya Soneda, Hidenori Fujii, Tomohide Terashima, Takaya Noguchi
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Publication number: 20260146036Abstract: A process for preparing (R)-N-((S)-1-(4-(3,3-dimethyl-2-oxoindolin-1-yl)piperidin-1-yl)-1-oxo-4-phenylbutan-2-yl)piperidine-3-carboxamide HCl-salt Crystalline Form A, wherein the HCl-salt Crystalline Form A is characterized by an X-ray powder diffraction (XRPD) pattern obtained by irradiation with copper K-alpha (Cu K?) radiation comprising peaks at 14.7±0.2 and 17.5±0.2 degrees two-theta, which comprises the step of crystallizing the crystalline form from a solvent.Type: ApplicationFiled: January 14, 2026Publication date: May 28, 2026Applicant: RaQualia Pharma Inc.Inventors: Hideyuki AOYAMA, Toyoharu NUMATA, Masaki SUDO, Yasuhiro IWATA
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Publication number: 20260129889Abstract: A semiconductor device includes a collector electrode, a collector-side element trench structure, a collector-side gate pad, and a collector-side terminal trench structure. A side surface of the semiconductor substrate and the collector electrode surround the collector-side gate pad in a planar view, and the collector-side terminal trench structure penetrates the collector layer on the side surface side of the semiconductor substrate with respect to the connecting portion between the collector electrode and the collector layer in a cross-sectional view.Type: ApplicationFiled: October 23, 2025Publication date: May 7, 2026Applicant: Mitsubishi Electric CorporationInventors: Masaki SUDO, Masanori TSUKUDA, Takuya YOSHIDA, Shunsuke SAKAMOTO, Yosuke NAKANISHI
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Patent number: 12552776Abstract: The present invention relates to novel crystalline forms of (R)—N—((S)-1-(4-(3,3-dimethyl-2-oxoindolin-1-yl)piperidin-1-yl)-1-oxo-4-phenylbutan-2-yl)piperidine-3-carboxamide hydrochloride (HCl-salt), and to pharmaceutical compositions thereof, process for preparation or isolation of such crystalline forms and compositions, and to methods of using such crystalline forms and compositions in the treatment of various diseases or disorders which are mediated by motilin receptor activity.Type: GrantFiled: August 1, 2022Date of Patent: February 17, 2026Assignee: RaQualia Pharma Inc.Inventors: Hideyuki Aoyama, Toyoharu Numata, Masaki Sudo, Yasuhiro Iwata
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Publication number: 20260032937Abstract: An object of the present disclosure is to suppress carrier injection in a termination region even with a malfunction in a back gate operation, in a semiconductor device with a double-sided gate structure. A semiconductor device with the double-sided gate structure includes: a buffer layer of a first conductivity type on a back surface of a drift layer; and a collector layer of a second conductivity type between the buffer layer and a collector electrode in an element region. A termination region does not include the collector layer between the collector electrode and the buffer layer, or the termination region includes the collector layer between the collector electrode and the buffer layer such that the collector layer in the termination region is less in total impurity quantity of the second conductivity type per unit area than the collector layer in the element region.Type: ApplicationFiled: May 6, 2025Publication date: January 29, 2026Applicant: Mitsubishi Electric CorporationInventors: Masaki SUDO, Masanori TSUKUDA
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Publication number: 20250374572Abstract: A semiconductor device includes: a first main surface-side gate structure provided in a first main surface to control a first conductive channel in a base layer; and a second main surface-side gate structure provided in a second main surface to control a second conductive channel in a first collector layer, and a first dense region in which three or more consecutive second main surface-side gate structures are arranged and a first sparse region in which three or more consecutive second main surface-side gate structures are arranged at a density lower than that in the first dense region are defined.Type: ApplicationFiled: February 28, 2025Publication date: December 4, 2025Applicant: Mitsubishi Electric CorporationInventors: Masanori TSUKUDA, Masaki SUDO, Kakeru OTSUKA, Yosuke NAKATA, Kazuya KONISHI
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Publication number: 20250081545Abstract: A semiconductor device includes a semiconductor substrate, a plurality of element trenches, and a plurality of termination trenches. The semiconductor substrate includes an element region and a termination region. The element trench has a depth larger than the thickness of a second diffusion layer. The termination trench has a depth larger than the thickness of a first diffusion layer. An interval between the plurality of element trenches is a first trench interval L1. An interval between the element trench included in the plurality of element trenches and situated closest to the termination region and the termination trench included in the plurality of termination trenches and situated closest to the element region is a second trench interval L2. In this case, the first trench interval L1 and the second trench interval L2 are in a relation of L1?L2?1.5×L1.Type: ApplicationFiled: January 31, 2022Publication date: March 6, 2025Applicant: Mitsubishi Electric CorporationInventors: Masaki SUDO, Hiroto ADACHI
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Publication number: 20240379661Abstract: An object is to provide a technique that can improve the accuracy of detecting the current in the main IGBT region using the current in the sense IGBT region. The semiconductor device includes a first IGBT region, a diode region, and a second IGBT region. The first IGBT region and the second IGBT region include a single collector layer having a first conductivity type, the diode region includes a cathode layer adjacent to the collector layer in the first IGBT region and having a second conductivity type, and the second IGBT region further includes an impurity layer adjacent to the collector layer in the second IGBT region and having the second conductivity type.Type: ApplicationFiled: September 8, 2021Publication date: November 14, 2024Applicant: Mitsubishi Electric CorporationInventors: Masaki SUDO, Tomohito KUDO
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Publication number: 20240351998Abstract: The present invention relates to novel crystalline forms of (R)—N—((S)-1-(4-(3,3-dimethyl-2-oxoindolin-1-yl)piperidin-1-yl)-1-oxo-4-phenylbutan-2-yl)piperidine-3-carboxamide hydrochloride (HCl-salt), and to pharmaceutical compositions thereof, process for preparation or isolation of such crystalline forms and compositions, and to methods of using such crystalline forms and compositions in the treatment of various diseases or disorders which are mediated by motilin receptor activity.Type: ApplicationFiled: August 1, 2022Publication date: October 24, 2024Applicant: RaQualia Pharma Inc.Inventors: Hideyuki AOYAMA, Toyoharu NUMATA, Masaki SUDO, Yasuhiro IWATA
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Publication number: 20240203830Abstract: A semiconductor device includes: a first control electrode and a second control electrode for switching that are formed in a first main surface and a second main surface, respectively, of a semiconductor substrate; a first control electrode pad electrically connected to the first control electrode; a first through-via penetrating the semiconductor substrate in a thickness direction and including a conductor electrically connecting the first main surface to the second main surface; and a second control electrode pad formed on the first main surface and electrically connected to the second control electrode through the first through-via.Type: ApplicationFiled: September 21, 2023Publication date: June 20, 2024Applicant: Mitsubishi Electric CorporationInventors: Masanori TSUKUDA, Akihisa YAMAMOTO, Tatsuya KAWASE, Masaki SUDO, Shinya SONEDA, Hidenori FUJII, Tomohide TERASHIMA, Takaya NOGUCHI
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Patent number: 11543404Abstract: The present invention provides a nerve cell device in which early observation of nerve activity (spikes, bursts, and the like) is made possible and the measured electric strength is increased by cultivating neurons upon a cell scaffold. By using this nerve cell device, imaging of intracellular signaling is also possible.Type: GrantFiled: November 15, 2018Date of Patent: January 3, 2023Assignee: STEM CELL & DEVICE LABORATORY, INC.Inventors: Kazuhiro Aiba, Norie Tooi, Kosuke Hori, Masaki Sudo
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Publication number: 20210179613Abstract: The present invention relates to use of a compound of the present invention or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt, for the manufacture of a medicament for the treatment of cachexia. The invention also relates to a method for the treatment of cachexia, comprising administering the compound of the present invention or a pharmaceutical composition comprising the same to a human or an animal. The invention further relates to use of said compound, or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt, in combination with one or more second active agents. Moreover, the invention relates to a pharmaceutical composition and a kit comprising the compound of the present invention or a pharmaceutically acceptable salt thereof, for the treatment of said disease.Type: ApplicationFiled: March 2, 2021Publication date: June 17, 2021Applicant: RaQualia Pharma Inc.Inventors: Kaoru SHIMADA, Masaki SUDO, Masaomi TAJIMI, Nobuyuki TAKAHASHI, Kazuhiko NONOMURA
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Patent number: 10975070Abstract: The present invention relates to use of a compound of the present invention or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt, for the manufacture of a medicament for the treatment of cachexia. The invention also relates to a method for the treatment of cachexia, comprising administering the compound of the present invention or a pharmaceutical composition comprising the same to a human or an animal. The invention further relates to use of said compound, or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition comprising the compound or the salt, in combination with one or more second active agents. Moreover, the invention relates to a pharmaceutical composition and a kit comprising the compound of the present invention or a pharmaceutically acceptable salt thereof, for the treatment of said disease.Type: GrantFiled: February 28, 2011Date of Patent: April 13, 2021Assignee: RaQualia Pharma Inc.Inventors: Kaoru Shimada, Masaki Sudo, Masaomi Tajimi, Nobuyuki Takahashi, Kazuhiko Nonomura
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Publication number: 20210025870Abstract: The present invention provides a nerve cell device in which early observation of nerve activity (spikes, bursts, and the like) is made possible and the measured electric strength is increased by cultivating neurons upon a cell scaffold. By using this nerve cell device, imaging of intracellular signaling is also possible.Type: ApplicationFiled: November 15, 2018Publication date: January 28, 2021Inventors: Kazuhiro Aiba, Norie Tooi, Kosuke Hori, Masaki Sudo
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Patent number: 9988370Abstract: Salts of 4-{[4-({[4-(2,2,2-trifluoroethoxy)-1,2-benzisoxazol-3-yl]oxy}methyl)piperidin-1-yl]methyl}tetrahydro-2H-pyran-4-carboxylic acid are disclosed. More particularly, salt forms (HCl-salt, HBr-salt, p-toluenesulfonate salt and ethanedisulfonate salt) are disclosed. Furthermore, processes for the preparation of such salt forms, compositions containing such salt forms, and uses of such salt forms are disclosed. A method of treating disease conditions mediated by 5-HT4 receptor activity includes administering an effective amount of such salt forms to an animal, including a human, in need of such treatment.Type: GrantFiled: May 20, 2015Date of Patent: June 5, 2018Assignee: RaQualia Pharma Inc.Inventors: Toyoharu Numata, Masaki Sudo, Xufeng Sun
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Patent number: 9901571Abstract: The present invention relates to novel compounds of a formula (I) or a pharmaceutically acceptable salt or solvate thereof, processes for their preparation, pharmaceutical compositions comprising them and their use in therapy, for example as modulators of the growth hormone secretagogue receptor (also referred to as the ghrelin receptor or GHSR-1a receptor) and/or for the treatment and/or prophylaxis of a disorder mediated by the ghrelin receptor.Type: GrantFiled: November 2, 2015Date of Patent: February 27, 2018Assignee: RaQualia Pharma Inc.Inventors: Yasuhiro Iwata, Kiyoshi Kawamura, Masaki Sudo, Kaoru Shimada, Shinichi Koizumi, Nobuyuki Takahashi, Keiko Obata, Makiko Kuroda
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Patent number: 9873695Abstract: The present invention relates to novel compounds of formula (I) or a pharmaceutically acceptable salt or solvate thereof, processes for their preparation, pharmaceutical compositions containing them and their use in therapy, for example as modulators of the growth hormone secretagogue receptor (also referred to as the ghrelin receptor or GHSR1a receptor) and/or for the treatment and/or prophylaxis of a disorder mediated by the ghrelin receptor.Type: GrantFiled: August 5, 2015Date of Patent: January 23, 2018Assignee: RaQualia Pharma Inc.Inventors: Yasuhiro Iwata, Kiyoshi Kawamura, Masaki Sudo, Kaoru Shimada, Shinichi Koizumi, Nobuyuki Takahashi, Keiko Obata, Makiko Kuroda
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Publication number: 20170304277Abstract: The present invention relates to novel compounds of a formula (I) or a pharmaceutically acceptable salt or solvate thereof, processes for their preparation, pharmaceutical compositions comprising them and their use in therapy, for example as modulators of the growth hormone secretagogue receptor (also referred to as the ghrelin receptor or GHSR-1a receptor) and/or for the treatment and/or prophylaxis of a disorder mediated by the ghrelin receptor.Type: ApplicationFiled: November 2, 2015Publication date: October 26, 2017Applicant: RaQualia Pharma Inc.Inventors: Yasuhiro IWATA, Kiyoshi KAWAMURA, Masaki SUDO, Kaoru SHIMADA, Shinichi KOIZUMI, Nobuyuki TAKAHASHI, Keiko OBATA, Makiko KURODA
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Publication number: 20170197961Abstract: The present invention relates to novel compounds of formula (I) or a pharmaceutically acceptable salt or solvate thereof, processes for their preparation, pharmaceutical compositions containing them and their use in therapy, for example as modulators of the growth hormone secretagogue receptor (also referred to as the ghrelin receptor or GHSRla receptor) and/or for the treatment and/or prophylaxis of a disorder mediated by the ghrelin receptor.Type: ApplicationFiled: August 5, 2015Publication date: July 13, 2017Applicant: RaQualia Pharma Inc.Inventors: Yasuhiro IWATA, Kiyoshi KAWAMURA, Masaki SUDO, Kaoru SHIMADA, Shinichi KOIZUMI, Nobuyuki TAKAHASHI, Keiko OBATA, Makiko KURODA
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Publication number: 20170081318Abstract: Salts of 4-{[4-({[4-(2,2,2-trifluoroethoxy)-1,2-benzisoxazol-3-yl]oxy}methyl)piperidin-1-yl]methyl}tetrahydro-2H-pyran-4-carboxylic acid are disclosed. More particularly, salt forms (HCl-salt, HBr-salt, p-toluenesulfonate salt and ethanedisulfonate salt) are disclosed. Furthermore, processes for the preparation of such salt forms, compositions containing such salt forms, and uses of such salt forms are disclosed. A method of treating disease conditions mediated by 5-HT4 receptor activity includes administering an effective amount of such salt forms to an animal, including a human, in need of such treatment.Type: ApplicationFiled: May 20, 2015Publication date: March 23, 2017Applicant: RaQualia Pharma Inc.Inventors: Toyoharu Numata, Masaki Sudo, Xufeng Sun