Patents by Inventor Yoshiyuki Tahara
Yoshiyuki Tahara 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: 20220238272Abstract: A coil component includes a core body, a coil, and a metal terminal. The core body has a mounting surface, an upper surface having a recess, and a side surface. The coil has an embedded part embedded in the core body, and a protruding part protruding from the core body. The metal terminal is electrically connected to the first protruding part of the coil. The first metal terminal has a first plate arranged along the side surface, a second plate connected to an upper end of the first plate and arranged along the upper surface, and a third plate connected to a lower end of the first plate and arranged along the mounting surface. The second plate in the recess has a first arc-shaped part. The recess has a second arc-shaped part. The second arc-shaped part extends along a contour of the first arc-shaped part.Type: ApplicationFiled: January 4, 2022Publication date: July 28, 2022Inventors: Yoshiyuki TAHARA, Juichi OKI
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Patent number: 11011299Abstract: A terminal plate member on which a terminal of a coil component is mounted including: an annular frame having an inner peripheral edge; a pair of extension members extending from the inner peripheral edge of the annular frame toward an inner space of the annular frame member in a first direction; and a deformable section provided in the annular frame at proximal end of one of the pair of extension members, the deformable section having a more easily deformable property than other sections of the annular frame when force is applied. The deformable section is provided along at least an entire width in a second direction of the one of the pair of extension members. The second direction is perpendicular to the first direction.Type: GrantFiled: July 28, 2017Date of Patent: May 18, 2021Inventors: Yoshiyuki Tahara, Teruaki Tanaka, Akihiko Nakamura, Satoru Yamada, Mitsugu Kawarai
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Patent number: 10454108Abstract: A sodium transition metal based cathode material for a rechargeable sodium battery, having a P2 orthorhombic layered bronze crystal structure with space group Cmcm, and having a composition NaxMyMn1-yLiy?AzO2 with 0.60<x<0.95, wherein M consists of either one or more elements of the group consisting of Cu, Zn and Ni; A consisting of either one or more elements of the group consisting of Mg, Ti, Fe, Cr and Co, with 0<y<0.20, 0?z<0.2, 0?y?<0.33, and z+y?>0.Type: GrantFiled: May 20, 2016Date of Patent: October 22, 2019Assignees: UMICORE, TOKYO UNIVERSITY OF SCIENCE FOUNDATIONInventors: Shinichi Kumakura, Shinichi Komaba, Kei Kubota, Yoshiyuki Tahara
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Publication number: 20180166686Abstract: A sodium transition metal based cathode material for a rechargeable sodium battery, having a P2 orthorhombic layered bronze crystal structure with space group Cmcm, and having a composition NaxMyMn1-yLiy?AzO2 with 0.60<x<0.95, wherein M consists of either one or more elements of the group consisting of Cu, Zn and Ni; A consisting of either one or more elements of the group consisting of Mg, Ti, Fe, Cr and Co, with 0<y<0.20, 0?z<0.2, 0<y?<0.33, and z+y?>0.Type: ApplicationFiled: May 20, 2016Publication date: June 14, 2018Inventors: Shinichi KUMAKURA, Shinichi KOMABA, Kei KUBOTA, Yoshiyuki TAHARA
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Publication number: 20180061558Abstract: A terminal plate member on which a terminal of a coil component is mounted including: an annular frame having an inner peripheral edge; a pair of extension members extending from the inner peripheral edge of the annular frame toward an inner space of the annular frame member in a first direction; and a deformable section provided in the annular frame at proximal end of one of the pair of extension members, the deformable section having a more easily deformable property than other sections of the annular frame when force is applied. The deformable section is provided along at least an entire width in a second direction of the one of the pair of extension members. The second direction is perpendicular to the first direction.Type: ApplicationFiled: July 28, 2017Publication date: March 1, 2018Inventors: Yoshiyuki TAHARA, Teruaki TANAKA, Akihiko NAKAMURA, Satoru YAMADA, Mitsugu KAWARAI
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Patent number: 8922317Abstract: A coil component including: a magnetic core which is formed by a magnetic material and which has a top surface, a bottom surface facing the top surface and a side surface continuous approximately perpendicularly to the top surface and the bottom surface; a coil which is buried inside the magnetic core and whose end portion protrudes from the side surface of the magnetic core; a flat-shaped terminal which protrudes from the side surface of the magnetic core, is bent toward the bottom surface of the magnetic core and is connected with the end portion of the coil, wherein there is formed an opening portion at a position corresponding to the place which is bent for the flat-shaped terminal from the side surface to the bottom surface of the magnetic core.Type: GrantFiled: December 4, 2012Date of Patent: December 30, 2014Assignee: Sumida CorporationInventors: Satoru Yamada, Kazuyuki Kikuchi, Yoshiyuki Tahara
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Patent number: 6048882Abstract: Hepatic diseases can be prevented or treated by administering an isoprenylamine derivative represented by the general formula (II) ##STR1## [wherein n represents an integer of 4-12, m represents an integer of 0-3, Ar represents a phenyl group, a furyl group, a thienyl group or a pyridyl group, said group being optionally substituted with one or more of an alkyl group of 1-4 carbon atoms, and alkoxy group of 1-4 carbon atoms, a methylenedioxy group, a hydroxy group or a halogen atom, and R represents a hydrogen atom or an alkyl group of 1-4 carbon atoms] or a pharmacologically acceptable salt thereof at a daily dose of 0.01-500 .mu.g/kg.A lipid emulsion of the compound (II) is particularly useful and can be administered at a remarkably lowered dose as compared with other pharmaceutical preparations.Type: GrantFiled: August 8, 1997Date of Patent: April 11, 2000Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Tatsuya Ohwaki, Masako Yamada, Hiroyuki Yamazaki, Hitoshi Inoue, Yoshiyuki Tahara, Shigeo Kawase
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Patent number: 5182267Abstract: A pharmaceutical oil-in-water type microemulsion having an action of potentiating the activities of anti-cancer agents, said micro-emulsion comprisesfine particles of a vegetable oil or a triglyceride of a medium-chain fatty acid having 8 to 12 carbon atoms containing 0.1 to 10% (w/v) of N-solanesyl-N,N'-bis(3,4-dimethoxybenzyl)ethylenediamine malate of formula (I) below, ##STR1## an aqueous medium, and 0.05 to 25% (w/v) of a physiologically acceptable phospholipid for dispersing said fine particles in said aqueous medium.Type: GrantFiled: December 12, 1990Date of Patent: January 26, 1993Assignees: Lederle (Japan), Ltd., Nisshin Flour Milling Co., Ltd.Inventors: Osamu Ogawa, Ikuo Kishi, Yoshiyuki Tahara, Masanori Sugita
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Patent number: 5116855Abstract: Disclosed is a rhodanine derivative of formula (I).A rhodanine derivative of formula (I) ##STR1## wherein R.sup.1 is hdyrogen, C.sub.1 -C.sub.8 alkyl, carboxyl(C.sub.1 -C.sub.4)alkyl or (C.sub.1 -C.sub.4)alkoxycarbonyl(C.sub.1 -C.sub.4)alkyl;R.sup.2 is --CH.sub.2 --CH.sub.2 --R.sup.3, CH.dbd.CH.sub.m R.sup.3 (m is 0 or 1), ##STR2## (R is C.sub.1 -C.sub.3 alkyl) or --CH.sub.2n CONHR.sup.4 (n is 0 or 1-4); R.sup.3 is a thienyl or furyl group which may be substituted by C.sub.1 -C.sub.3 alkyl or halogen; a pyrrolyl group which may be substituted by carboxy(C.sub.1 -C.sub.3)alkyl on the nitrogen atom; or a phenyl group which may be substituted by one or more substituents selected from the group consisting of C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, hydroxyl, halogen, trifluoromethyl, carboxyl, (C.sub.1 -C.sub.3)alkoxycarbonyl, cyano, carboxy(C.sub.1 -C.sub.3)alkoxy, (C.sub.1 -C.sub.6)alkoxycarbonyl(C.sub.1 -C.sub.3)alkoxy, benzyloxycarbonyl(C.sub.1 -C.sub.3)alkoxy, piperidinylcarbonyl(C.sub.1 -C.sub.Type: GrantFiled: May 11, 1990Date of Patent: May 26, 1992Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Hitoshi Inoue, Hiroki Kato, Noriyoshi Sueda, Yoshiyuki Tahara, Nobuhiro Kinoshita
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Patent number: 5004756Abstract: A pharmaceutical oil-in-water type microemulsion having an action of potentiating the activities of anti-cancer agents, said micro-emulsion comprises fine particles of a vegetable oil or a triglyceride of a medium-chain fatty acid having 8 to 12 carbon atoms containing 0.1 to 10% (w/v) of N-solanesyl-N,N'-bis(3,4-dimethoxybenzyl)ethylenediamine malate of formula (I) below, ##STR1## an aqueous medium, and, 0.05 to 25% (w/v) of a physiologically acceptable phospholipid for dispersing said fine particles in said aqueous medium.Type: GrantFiled: August 8, 1989Date of Patent: April 2, 1991Assignees: Lederle (Japan) Ltd., Nisshin Flour Milling Co., Ltd.Inventors: Osamu Ogawa, Ikuo Kishi, Yoshiyuki Tahara, Masanori Sugita
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Patent number: 5004735Abstract: Polyprenols and polyprenyl phosphates are of the formula ##STR1## wherein ##STR2## represents a trans-isoprene unit, ##STR3## represents a cis-isoprene unit, ##STR4## represents a dihydroisoprene unit, l is an integer of 2 to 8, m is 0 or an integer of 5 to 18, n is 0 or 1, the sum of l and m is in the range of 8 to 20, and X represents a hydrogen atom or --PO.sub.3 MM' wherein M and M' may be the same or different and each is a hydrogen atom or a monovalent cation or both M and M' together form a divalent cation. They are useful as a medicament for the inhibition of tumor metastasis.Type: GrantFiled: June 29, 1989Date of Patent: April 2, 1991Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Yasushi Okamoto, Yoshiyuki Tahara, Yoshio Mishima
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Patent number: 4906669Abstract: Anti-ulcer agents containing isoprenoid derivatives are provided. The isoprenoid derivatives are represented by the formula: ##STR1## wherein: R represents a group of formula ##STR2## In the above formula, R.sub.1, R.sub.2 and R.sub.3 may be the same or different each other and each represents a hydrogen atom, a hydroxy group, a lower alkanoyloxy group, a lower alkyl group or a lower alkoxy group, provided that two or more of them do not represent hydrogen atoms at the same time; R.sub.4 and R.sub.5 may be the same or different each other and each represents a hydrogen atom, a hydroxy group or a lower alkanoyloxy group represents the signal or the double bond between the carbon atoms; m represents 0 or 1; n represents 0 or an integer of from 1 to 9, provided that the sum of m and n is an integer of from 1 to 9.Type: GrantFiled: August 22, 1988Date of Patent: March 6, 1990Assignees: Nisshin Flour Milling Co., Ltd., Grelan Pharmaceutical Co., Ltd.Inventors: Kazuhiko Yamada, Yoshiyuki Tahara, Masashi Toyoda, Osamu Irino, Noriyuki Misaki
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Patent number: 4869904Abstract: Now is provided a new sustained release drug preparation comprising such an inclusion complex of a medical compound with a hydrophobic cyclodextrin derivative, e.g. ethylated cyclodextrins, which sustains or retards the dissolution and release of the medical compound at a controlled rate from the inclusion complex and hence from the drug preparation containing the inclusion complex, so as to maintain the concentration of the medical compound in blood at an effective level for prolonged time. This drug preparation may further contain a second type of an inclusion complex of the medical compound with a hydrophilic cyclodextrin or hydrophilic cyclodextrin derivative, in mixture with the first type of the inclusion complex of the medical compound with a hydrophobic cyclodextrin derivative, to maintain the controlled release of the medical compound from the drug.Type: GrantFiled: December 2, 1987Date of Patent: September 26, 1989Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Kaneto Uekama, Yoshiyuki Tahara, Takanori Ijitsu, Tadashi Yamada
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Patent number: 4857529Abstract: New antiviral nonaprenylamine derivatives represented by the following formula ##STR1## wherein R is 4 or 5 atoms selected from the group consisting of C and N so as to complete, with the non-R nitrogen, a 5- or 6-membered heterocyclic ring, and X is selected from the group consisting of H and hydroxy-lower alkyl and non-toxic, pharmaceutically acceptable acid addition salts thereof and a pharmaceutically acceptable carrier.Type: GrantFiled: April 7, 1988Date of Patent: August 15, 1989Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
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Patent number: 4755601Abstract: Nonyl prenyl-N heterocyclic compounds are prepared, useful as antivirals.Type: GrantFiled: April 22, 1981Date of Patent: July 5, 1988Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota
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Patent number: 4738801Abstract: Disclosed herein are saturated and unsaturated aliphatic acids and esters of formula R--Z as defined in the specification which are antiulcer agents.Type: GrantFiled: June 26, 1986Date of Patent: April 19, 1988Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Yoshiyuki Tahara, Michiko Nagai, Katsura Kogure, Shigeo Kawase, Teruhito Yamaguchi
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Patent number: 4723008Abstract: A compound of the formula ##STR1## wherein R.sub.1 is a phenethyl group, R.sub.2 and R.sub.3, taken together with the nitrogen atom to which they are bonded, form an N' hydroxylalkyl substituted piperazine, and (aklylene) is a lower alkylene chain substituted with a hydroxyl group; or an acid addition salt thereof is described.Type: GrantFiled: August 21, 1986Date of Patent: February 2, 1988Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
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Patent number: 4700002Abstract: This invention relates to isoprenylamine derivatives and acid addition salts thereof, which compounds are useful for controlling virus infection of vertebrate animals.Type: GrantFiled: April 15, 1985Date of Patent: October 13, 1987Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
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Patent number: 4659833Abstract: Four different optical isomers of a new compound, 1-[2'-(o-methoxyphenoxy)-1'-methylethylamino]-3-(4"-isocarbostyriloxy)-2-p ropanol are now provided as new substances. These four optical isomers are now named as (2R, 1'S)-1-[2'-(o-methoxyphenoxy)-1'-methylethylamino]-3-(4"-isocarbostyriloxy )-2-propanol, (2S, 1'S)-1-[2'-(o-methoxyphenoxy)-1'-methylethylamino]-3-(4"-isocarbostyriloxy )-2-propanol, (2S, 1'R)-1-[2'-(o-methoxyphenoxy)-1'-methylethylamino]-3-(4"-isocarbostyriloxy )-2-propanol, and (2R, 1'R)-1-[2'-(o-methoxyphenoxy)-1'-methylethylamino]-3-(4"-isocarbostyriloxy )-2-propanol, respectively. These four optical isomers have different activities for their .beta.-adrenergic-blocking effect and .alpha.-adrenergic-blocking effect and are useful as valuable agents for therapeutic treatment of various cardiovascular diseases, as compared to an optically inactive racemic mixture of said isomer compounds.Type: GrantFiled: May 8, 1985Date of Patent: April 21, 1987Assignee: Nisshin Flour Milling Co., Ltd.Inventors: Toshihiro Takahashi, Noriyoshi Sueda, Masahiro Tsuji, Yoshiyuki Tahara, Hiroyasu Koyama, Yoshikuni Suzuki, Masao Nagase, Toshiji Sugai
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Patent number: D780120Type: GrantFiled: June 24, 2015Date of Patent: February 28, 2017Assignee: Sumida CorporationInventor: Yoshiyuki Tahara