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).

  • Publication number: 20220238272
    Abstract: 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: Application
    Filed: January 4, 2022
    Publication date: July 28, 2022
    Inventors: Yoshiyuki TAHARA, Juichi OKI
  • Patent number: 11011299
    Abstract: 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: Grant
    Filed: July 28, 2017
    Date of Patent: May 18, 2021
    Inventors: Yoshiyuki Tahara, Teruaki Tanaka, Akihiko Nakamura, Satoru Yamada, Mitsugu Kawarai
  • Patent number: 10454108
    Abstract: 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: Grant
    Filed: May 20, 2016
    Date of Patent: October 22, 2019
    Assignees: UMICORE, TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Shinichi Kumakura, Shinichi Komaba, Kei Kubota, Yoshiyuki Tahara
  • Publication number: 20180166686
    Abstract: 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: Application
    Filed: May 20, 2016
    Publication date: June 14, 2018
    Inventors: Shinichi KUMAKURA, Shinichi KOMABA, Kei KUBOTA, Yoshiyuki TAHARA
  • Publication number: 20180061558
    Abstract: 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: Application
    Filed: July 28, 2017
    Publication date: March 1, 2018
    Inventors: Yoshiyuki TAHARA, Teruaki TANAKA, Akihiko NAKAMURA, Satoru YAMADA, Mitsugu KAWARAI
  • Patent number: 8922317
    Abstract: 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: Grant
    Filed: December 4, 2012
    Date of Patent: December 30, 2014
    Assignee: Sumida Corporation
    Inventors: Satoru Yamada, Kazuyuki Kikuchi, Yoshiyuki Tahara
  • Patent number: 6048882
    Abstract: 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: Grant
    Filed: August 8, 1997
    Date of Patent: April 11, 2000
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Tatsuya Ohwaki, Masako Yamada, Hiroyuki Yamazaki, Hitoshi Inoue, Yoshiyuki Tahara, Shigeo Kawase
  • Patent number: 5182267
    Abstract: 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: Grant
    Filed: December 12, 1990
    Date of Patent: January 26, 1993
    Assignees: Lederle (Japan), Ltd., Nisshin Flour Milling Co., Ltd.
    Inventors: Osamu Ogawa, Ikuo Kishi, Yoshiyuki Tahara, Masanori Sugita
  • Patent number: 5116855
    Abstract: 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: Grant
    Filed: May 11, 1990
    Date of Patent: May 26, 1992
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Hitoshi Inoue, Hiroki Kato, Noriyoshi Sueda, Yoshiyuki Tahara, Nobuhiro Kinoshita
  • Patent number: 5004756
    Abstract: 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: Grant
    Filed: August 8, 1989
    Date of Patent: April 2, 1991
    Assignees: Lederle (Japan) Ltd., Nisshin Flour Milling Co., Ltd.
    Inventors: Osamu Ogawa, Ikuo Kishi, Yoshiyuki Tahara, Masanori Sugita
  • Patent number: 5004735
    Abstract: 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: Grant
    Filed: June 29, 1989
    Date of Patent: April 2, 1991
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yasushi Okamoto, Yoshiyuki Tahara, Yoshio Mishima
  • Patent number: 4906669
    Abstract: 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: Grant
    Filed: August 22, 1988
    Date of Patent: March 6, 1990
    Assignees: Nisshin Flour Milling Co., Ltd., Grelan Pharmaceutical Co., Ltd.
    Inventors: Kazuhiko Yamada, Yoshiyuki Tahara, Masashi Toyoda, Osamu Irino, Noriyuki Misaki
  • Patent number: 4869904
    Abstract: 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: Grant
    Filed: December 2, 1987
    Date of Patent: September 26, 1989
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Kaneto Uekama, Yoshiyuki Tahara, Takanori Ijitsu, Tadashi Yamada
  • Patent number: 4857529
    Abstract: 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: Grant
    Filed: April 7, 1988
    Date of Patent: August 15, 1989
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota, Toshihiro Takahashi
  • Patent number: 4755601
    Abstract: Nonyl prenyl-N heterocyclic compounds are prepared, useful as antivirals.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: July 5, 1988
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Hiroyasu Koyama, Yasuhiro Komatsu, Reiko Kubota
  • Patent number: 4738801
    Abstract: Disclosed herein are saturated and unsaturated aliphatic acids and esters of formula R--Z as defined in the specification which are antiulcer agents.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: April 19, 1988
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Michiko Nagai, Katsura Kogure, Shigeo Kawase, Teruhito Yamaguchi
  • Patent number: 4723008
    Abstract: 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: Grant
    Filed: August 21, 1986
    Date of Patent: February 2, 1988
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Patent number: 4700002
    Abstract: This invention relates to isoprenylamine derivatives and acid addition salts thereof, which compounds are useful for controlling virus infection of vertebrate animals.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: October 13, 1987
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Yoshiyuki Tahara, Yasuhiro Komatsu, Hiroyasu Koyama, Reiko Kubota, Teruhito Yamaguchi, Toshihiro Takahashi
  • Patent number: 4659833
    Abstract: 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: Grant
    Filed: May 8, 1985
    Date of Patent: April 21, 1987
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Toshihiro Takahashi, Noriyoshi Sueda, Masahiro Tsuji, Yoshiyuki Tahara, Hiroyasu Koyama, Yoshikuni Suzuki, Masao Nagase, Toshiji Sugai
  • Patent number: D780120
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: February 28, 2017
    Assignee: Sumida Corporation
    Inventor: Yoshiyuki Tahara