Patents by Inventor Jun Yamashita
Jun Yamashita 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: 9623052Abstract: The present invention provides a method for producing a myocardial sheet using a group of cells derived from embryonic stem cells. This method is characterized by mixing Flk/KDR positive cells, cardiomyocytes, endothelial cells, and mural cells, all derived from embryonic stem cells, and culturing the mixed cells. Furthermore, the myocardial sheet can be used as a therapeutic agent for heart diseases since VEGF is released from the sheet.Type: GrantFiled: March 30, 2012Date of Patent: April 18, 2017Assignees: Tokyo Women's Medical University, Kyoto UniversityInventors: Teruo Okano, Tatsuya Shimizu, Jun Yamashita, Hidetoshi Masumoto
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Publication number: 20170067023Abstract: An object of the present invention is to provide a myocardial progenitor cell that is specifically induced to differentiate into a cardiomyocyte, and a method for preparing the myocardial progenitor cell. A method for preparing a CD82-positive cell includes, in sequence, a step (a) of obtaining stem cells, a step (b) of subjecting the stem cells to induction treatment of differentiation into cardiovascular cells, and a step (c) of separating, from the stem cells having been subjected to the induction treatment of differentiation in the step (b), a CD82-positive cell being negative for at least one cell surface marker selected from CD73, CD44, CD105, CD121a, CD18, and CD120a. This method enables preparation of a CD82-positive cell for use as a myocardial progenitor cell.Type: ApplicationFiled: April 16, 2015Publication date: March 9, 2017Inventors: Jun YAMASHITA, Masafumi TAKEDA
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Publication number: 20160211200Abstract: One embodiment provides a semiconductor device having a first chip for lowering an input voltage and a second chip for performing signal processing, mounted on a die pad. Lead terminals are divided into a first lead row and a second lead row. The first lead row are connected with the first chip, the first chip are connected with the second chip or the second lead row, and the second chip are connected with the second lead row. A distance between the lead terminals of the first lead row is set longer than a distance between the lead terminals of the second lead row, and a sealing resin is provided to fill at least between the lead terminals of the first lead row.Type: ApplicationFiled: January 5, 2016Publication date: July 21, 2016Inventors: Yuya OHASHI, Jun YAMASHITA, Yoshio FUJII, Kohei SHIROKURA
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Publication number: 20160120770Abstract: The layered double hydroxide is characterized by comprising base layers each comprising a metal double hydroxide represented by the formula: M(II)1-XM(III)X(OH)2 (wherein M(II) represents one or two bivalent metal atoms; M(III) represents a trivalent metal atom; and x represents 0.2 to 0.33), and an intermediate layer and interlayer water each intercalated between the base layers, wherein the intermediate layer comprises a compound represented by the formula: R1-COOH or R2-SO3H (wherein R1 and R2 independently represent at least one substituent selected from an aliphatic hydrocarbon group, a substituted aliphatic hydrocarbon group, an aromatic hydrocarbon group, a substituted aromatic hydrocarbon group, a heterocyclic group and a substituted heterocyclic group).Type: ApplicationFiled: April 11, 2014Publication date: May 5, 2016Applicant: TAYCA CORPORATIONInventors: Akihiko Takada, Takeshi Okumiya, Jun Yamashita
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Publication number: 20160121025Abstract: The present invention relates to layered cell sheets comprising living cells and methods for producing the same. Specifically, the present invention provides methods for layering cell sheets, comprising layering cell sheets using hydrogel or preferably gelatin hydrogel. The present invention also provides layered cell sheets produced by such methods, and pharmaceutical compositions or therapeutic agents comprising layered cell sheets.Type: ApplicationFiled: May 30, 2014Publication date: May 5, 2016Applicant: iHeart Japan CorporationInventors: Jun YAMASHITA, Yasuhiko TABATA, Takehiko MATSUO
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Patent number: 9204500Abstract: In the microwave heating apparatus, four microwave introduction ports are arranged at positions spaced apart from each other at an angle of about 90° in a ceiling portion of a processing chamber in such a way that the long sides and the short sides thereof are in parallel to inner surfaces of four sidewalls. The microwave introduction port are disposed in such a way that each of the microwave introduction ports are not overlapped with another microwave introduction port whose long sides are in parallel to the long sides of the corresponding microwave introduction port when the corresponding microwave introduction port is moved in translation in a direction perpendicular to the long sides thereof.Type: GrantFiled: December 26, 2012Date of Patent: December 1, 2015Assignee: TOKYO ELECTRON LIMITEDInventors: Taro Ikeda, Shigeru Kasai, Jun Yamashita, Masakazu Ban
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Publication number: 20150297794Abstract: The present invention provides: a method for producing mixed cells comprising cardiomyocytes, endothelial cells and mural cells from induced pluripotent stem cells, the method comprising (a) a step of producing cardiomyocytes from induced pluripotent stem cells and (b) a step of culturing the cardiomyocytes in the presence of VEGF; and a therapeutic agent for heart diseases, comprising the mixed cells produced by the method.Type: ApplicationFiled: March 15, 2013Publication date: October 22, 2015Applicant: IHEART JAPAN CORPORATIONInventors: Jun YAMASHITA, Hidetoshi MASUMOTO
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Patent number: 9165919Abstract: A semiconductor device that is equipped with an ESD protection element, which has a size increase thereof suppressed, does not require extra process, and can be formed without inducing deterioration of characteristics of the semiconductor device. This semiconductor device includes a semiconductor substrate, a circuit element, that includes a PN junction formed of a region, which is formed on the semiconductor substrate, and which has a conductivity type different from that of the substrate and a protection element for the circuit element. The protection element is a transistor formed of the region, another region having the conductivity type same as that of the region, and the semiconductor substrate. The emitter for the transistor and the semiconductor substrate are connected to each other.Type: GrantFiled: February 28, 2012Date of Patent: October 20, 2015Assignee: NEW JAPAN RADIO CO., LTD.Inventors: Hideaki Matsumoto, Jun Yamashita, Kenji Esashika, Takao Sugino
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Patent number: 9164093Abstract: The present invention provides a method for production or detection of a cardiomyocyte(s) and/or cardiac progenitor cell(s), comprises extracting a cardiomyocyte(s) and/or cardiac progenitor cell(s) from a cell population comprising cardiomyocytes and/or cardiac progenitor cells using as an index VCAM1 positivity.Type: GrantFiled: April 2, 2012Date of Patent: October 20, 2015Assignee: IHEART JAPAN CORPORATIONInventors: Jun Yamashita, Hideki Uosaki
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Patent number: 9097955Abstract: Provided is an optical unit comprising a shake detecting sensor which is less likely to unnecessarily vibrate even with the optical unit being designed to have a thinner profile. At a first step in the assembly of an optical unit provided with a shake correction mechanism, a module cover is mounted on a fixed body with a spring member therebetween and a movable module driving mechanism is provided between the module cover and the fixed body. At a second step, an image-capturing unit is inserted into the interior of the module cover by way of a fixed-body-side opening portion and a module-cover-side opening portion, and at a third step, a holding member is attached to a module cover.Type: GrantFiled: August 4, 2010Date of Patent: August 4, 2015Assignee: NIDEC SANKYO CORPORATIONInventors: Tadashi Takeda, Kiyoshi Miyazaki, Katsushige Yanagisawa, Jun Yamashita, Hisahiro Ishihara
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Patent number: 9074188Abstract: A method for proliferating cardiomyocytes and/or cardiac progenitor cells is disclosed. The proliferation method includes contact with at least one compound such as a GSK3? inhibitor, ERK dephosphorylation inhibitor, Raf activator, CaMK2 inhibitor and p38 inhibitor. The cardiomyocyte and the cardiac progenitor cell may be a human cardiomyocyte or human cardiac progenitor cell and may be obtained from differentiation of induced pluripotent stem cells.Type: GrantFiled: November 17, 2011Date of Patent: July 7, 2015Assignee: KYOTO UNIVERSITYInventors: Jun Yamashita, Hideki Uosaki
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Publication number: 20150129586Abstract: A microwave heating apparatus includes a processing chamber having a top wall, a bottom wall and a sidewall, and configured to accommodate an object to be processed; a microwave introducing unit configured to generate a microwave for heating the object and introduce the microwave into the processing chamber; a plurality of supporting members configured to make contact with the object and support the object in the processing chamber. The microwave heating apparatus further includes a dielectric member provided between the object supported by the supporting members and the bottom wall while being apart from the object.Type: ApplicationFiled: January 23, 2015Publication date: May 14, 2015Inventors: Taro IKEDA, Jun YAMASHITA, Seokhyoung HONG, Kouji SHIMOMURA, Hiroyuki HAYASHI
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Publication number: 20150090708Abstract: A microwave heating apparatus includes a processing chamber for accommodating a target, a support device for supporting the target in the processing chamber and a microwave introducing device for generating microwaves to introduce them into the processing chamber. The processing chamber further includes a top wall having a plurality of microwave introduction ports to introduce the microwaves generated in the microwave introducing device into the processing chamber. Each of the microwave introduction ports has a rectangular shape having long sides and short sides parallel to inner wall surfaces of four sidewalls of the processing chamber, and the support device includes a support member to support the target and a rotating mechanism for rotating the supported target.Type: ApplicationFiled: February 5, 2013Publication date: April 2, 2015Inventors: Sumi Tanaka, Taro Ikeda, Yoshiro Kabe, Kouji Shimomura, Seokhyoung Hong, Jun Yamashita, Masakazu Ban, Taichi Monden, Masayoshi Maenishi, Ryoji Yamazaki
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Publication number: 20150001590Abstract: A semiconductor device that is equipped with an ESD protection element, which has a size increase thereof suppressed, does not require extra process, and can be formed without inducing deterioration of characteristics of the semiconductor device. This semiconductor device includes a semiconductor substrate, a circuit element, that includes a PN junction formed of a region, which is formed on the semiconductor substrate, and which has a conductivity type different from that of the substrate and a protection element for the circuit element. The protection element is a transistor formed of the region, another region having the conductivity type same as that of the region, and the semiconductor substrate. The emitter for the transistor and the semiconductor substrate are connected to each other.Type: ApplicationFiled: February 28, 2012Publication date: January 1, 2015Applicant: NEW JAPAN RADIO CO., LTD.Inventors: Hideaki Matsumoto, Jun Yamashita, Kenji Esashika, Takao Sugino
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Publication number: 20140367377Abstract: A microwave heating apparatus includes a phase control unit configured to change a phase of a standing wave of microwave introduced into the process chamber by the microwave introduction unit. The phase control unit includes a recessed portion with respect to an inner surface of the bottom wall. The phase control unit is formed of a bottom portion and a fixing plate installed at a lower surface of the bottom portion from the outer side of the process chamber. The phase of the standing wave in the process chamber is changed by the incidence and reflection of the microwave in the recessed portion of the phase control unit surrounded by metallic wall.Type: ApplicationFiled: June 2, 2014Publication date: December 18, 2014Applicant: TOKYO ELECTRON LIMITEDInventors: Taichi MONDEN, Kouji SHIMOMURA, Seokhyoung HONG, Yoshihiro MIYAGAWA, Jun YAMASHITA, Taro IKEDA, Yuki MOTOMURA
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Patent number: 8882962Abstract: Provided is a plasma processing apparatus wherein an electrode embedded in a mounting table is supplied with high frequency power for biasing. A surface, which is exposed to plasma and is of an aluminum cover functioning as an opposite electrode to the electrode of the mounting table, is coated with a protection film, preferably a Y2O3 film. A second portion forming an upper side portion of the processing chamber and a first portion forming a lower side portion of the processing container are provided with an insulating upper liner and an insulating lower liner thicker than the upper liner, respectively. Thus, undesirable short-circuits and abnormal electrical discharge are prevented and stable high-frequency current path is formed.Type: GrantFiled: March 30, 2011Date of Patent: November 11, 2014Assignee: Tokyo Electron LimitedInventors: Jun Yamashita, Kazuhiro Isa, Hideo Nakamura, Junichi Kitagawa
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Patent number: 8852389Abstract: There is provided a plasma processing apparatus capable of stably generating plasma by suppressing oscillation of a plasma potential, and capable of preventing contamination caused by sputtering a facing electrode made of metal. A high frequency bias power is applied to an electrode within a mounting table for mounting a target object thereon. An extended protrusion 60 is formed at an inner peripheral surface of a cover member 27. The extended protrusion 60 is formed toward a plasma generation space S and serves as a facing electrode facing an electrode 7 within a mounting table 5 with the plasma generation space S therebetween. A ratio of a surface area of the facing electrode with respect to that of an electrode for bias (facing electrode surface area/bias electrode area) is in a range of from about 1 to about 5.Type: GrantFiled: September 15, 2011Date of Patent: October 7, 2014Assignee: Tokyo Electron LimitedInventors: Taichi Monden, Junichi Kitagawa, Jun Yamashita, Hideo Nakamura
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Publication number: 20140194536Abstract: The present invention relates to a liquid crystal compound that can be used as a base for injection formulations. The present invention provides an amphipathic compound having the following general formula (I): wherein X and Y each denotes a hydrogen atom or together denote an oxygen atom, n denotes an integer from 0 to 2, m denotes the integer 1 or 2, and R denotes a hydrophilic group generated by removal of one hydroxyl group from any one selected from the group consisting of glycerol, erythritol, pentaerythritol, diglycerol, triglycerol, xylose, sorbitol, ascorbic acid, glucose, galactose, mannose, dipentaerythritol, maltose, mannitol, and xylitol; as well as a base for injection formulations and depot formulation comprising the same.Type: ApplicationFiled: February 28, 2014Publication date: July 10, 2014Applicant: Chemgenesis IncorporatedInventors: Yutaka Ikeda, Jun Yamashita, Ichiro Hijikuro, Satoshi Imuta, Yasuhiro Hiroki, Takashi Takahashi
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Patent number: 8765465Abstract: This invention relates to a method for producing cardiomyocytes and/or cardiac progenitor cells, comprising culturing an induced pluripotent stem (iPS) cell or embryonic stem (ES) cell, which has been differentiated into a mesoderm cell, in the presence of cyclosporin-A.Type: GrantFiled: August 29, 2008Date of Patent: July 1, 2014Assignee: Kyoto UniversityInventors: Jun Yamashita, Peishi Yan
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Patent number: 8703922Abstract: The present invention relates to a liquid crystal compound that can be used as a base for injection formulations. The present invention provides an amphipathic compound having the following general formula (I): wherein X and Y each denotes a hydrogen atom or together denote an oxygen atom, n denotes an integer from 0 to 2, m denotes the integer 1 or 2, and R denotes a hydrophilic group generated by removal of one hydroxyl group from any one selected from the group consisting of glycerol, erythritol, pentaerythritol, diglycerol, triglycerol, xylose, sorbitol, ascorbic acid, glucose, galactose, mannose, dipentaerythritol, maltose, mannitol, and xylitol; as well as a base for injection formulations and depot formulation comprising the same.Type: GrantFiled: December 27, 2010Date of Patent: April 22, 2014Assignee: Chemgenesis IncorporatedInventors: Yutaka Ikeda, Jun Yamashita, Ichiro Hijikuro, Satoshi Imuta, Yasuhiro Hiroki, Takashi Takahashi