Patents by Inventor Tomoyuki Ogawa

Tomoyuki Ogawa 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: 20140001398
    Abstract: The present invention relates to ferromagnetic particles capable of exhibiting a high purity and excellent magnetic properties from the industrial viewpoints and a process for producing the ferromagnetic particles, and also provides an anisotropic magnet, a bonded magnet and a compacted magnet which are obtained by using the ferromagnetic particles.
    Type: Application
    Filed: January 19, 2012
    Publication date: January 2, 2014
    Applicant: TOHOKU UNIVERSITY
    Inventors: Migaku Takahashi, Tomoyuki Ogawa, Yasunobu Ogata, Naoya Kobayashi, Chammika Ruwan Polwatta Gallage, Kaori Kohara
  • Publication number: 20130314284
    Abstract: Provided is an antenna device including a substrate, a metal chassis disposed adjacent a rear surface of the substrate, multiple patch antenna elements formed in an array on a front surface of the substrate, feeding lines formed on the front surface of the substrate and through which electricity is fed to the multiple patch antenna elements, and a ground conductor formed on the rear surface of the substrate in a portion opposite the feeding lines.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 28, 2013
    Applicant: Hitachi Cable, Ltd.
    Inventors: Osamu Tasaki, Tomoyuki Ogawa, Shinsuke Murano
  • Publication number: 20130271344
    Abstract: An antenna device includes a substrate including a front surface, a back surface, and via holes formed therein, a plurality of patch antenna elements formed in an array on the front surface of the substrate, a feed line formed on the back surface of the substrate to feed the plurality of patch antenna elements through the via holes formed in the substrate, and a metal chassis disposed opposite the substrate with an air layer therebetween on the back surface of the substrate. The metal chassis is electrically grounded.
    Type: Application
    Filed: March 7, 2013
    Publication date: October 17, 2013
    Applicant: Hitachi Cable, Ltd.
    Inventors: Osamu TASAKI, Tomoyuki Ogawa, Shinsuke Murano
  • Publication number: 20130257573
    Abstract: The present invention relates to ferromagnetic particles comprising an Fe16N2 compound phase in an amount of not less than 70% as measured by Mössbauer spectrum, and at least one metal element X selected from the group consisting of Mn, Ni, Ti, Ga, Al, Ge, Zn, Pt and Si in such an amount that a molar ratio of the metal element X to Fe is 0.04 to 25%, the ferromagnetic particles having a BHmax value of not less than 5 MGOe, and a process for producing the ferromagnetic particles, and further relates to an anisotropic magnet or a bonded magnet which is obtained by magnetically orienting the ferromagnetic particles. The ferromagnetic particles according to the present invention can be produced in an industrial scale and are in the form of Fe16N2 particles comprising different kinds of metal elements having a large BHmax value.
    Type: Application
    Filed: September 22, 2011
    Publication date: October 3, 2013
    Applicants: TOHOKU UNIVERSITY, TODA KOGYO CORPORATION
    Inventors: Migaku Takahashi, Tomoyuki Ogawa, Yasunobu Ogata, Akimasa Sakuma, Naoya Kobayashi, Chammika Ruwan Polwatta Gallage, Kaori Kohara
  • Patent number: 8542149
    Abstract: An antenna according to the present invention comprises: a conductor plate with an axisymmetrical shape; a slot formed on the conductor plate; and a feeding point provided on the axisymmetrical axis of the conductor plate, in which the conductor plate is folded along two locations that are parallel to the axisymmetrical axis toward mutually different directions.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: September 24, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Haruyuki Watanabe, Naoki Iso, Morihiko Ikegaya, Tomoyuki Ogawa
  • Patent number: 8508415
    Abstract: An antenna for transmitting and receiving an electric wave in plural frequency bands has a conductor, two slots formed in the conductor to be facing to each other, opened ends of the two slots being formed on opposite sides, respectively, and a feeding point formed only in either one of the two slots.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: August 13, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Morihiko Ikegaya, Haruyuki Watanabe, Naoki Iso, Tomoyuki Ogawa
  • Patent number: 8421694
    Abstract: There is provided a composite antenna device for responding to waves in a plurality of radio frequency bands, including: a sheet of conductor plate; a first antenna provided on the sheet of conductor plate for responding to a linearly-polarized wave in at least one radio frequency band; and a second antenna provided on the sheet of conductor plate for responding to a circularly-polarized wave in a radio frequency band that is different from the at least one radio frequency band, wherein the first antenna has a ground portion, the second antenna is formed in an area in the ground portion, and each of the first antenna and the second antenna has a feeding point.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: April 16, 2013
    Assignee: Hitachi Cable, Ltd.
    Inventors: Naoki Iso, Haruyuki Watanabe, Morihiko Ikegaya, Tomoyuki Ogawa
  • Patent number: 8404868
    Abstract: A method of purifying a cyclic ester, comprising: mixing a co-distillated liquid comprising a cyclic ester produced by heating depolymerization of a hydroxycarboxylic acid oligomer in the presence of a depolymerization solvent and the depolymerization solvent with an organic solvent for washing which is mutually soluble with the depolymerization solvent and has a lower boiling point than the cyclic ester; subjecting the resultant mixture liquid to liquid-liquid separation into an organic solvent phase containing the depolymerization solvent and a cyclic ester phase containing the organic solvent; and then evaporating the organic solvent from the cyclic ester phase containing the organic solvent to recover the cyclic ester containing a reduced amount of the depolymerization solvent.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: March 26, 2013
    Assignee: Kureha Corporation
    Inventors: Kazuyuki Yamane, Tomohiro Hoshi, Tomoyuki Ogawa
  • Patent number: 8383622
    Abstract: Disclosed is a compound which is useful as an 11?-hydroxysteroid dehydrogenase type 1 inhibitor. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein Ring A is a group represented by the formula: Ring B is optionally substituted heteroaryl, provided that optionally substituted isoxazole is excluded, or optionally substituted heterocycle, R1 is hydrogen or optionally substituted alkyl, R2 is —OR5, —SR5, halogen, halogenated alkyl or the like, R3 is optionally substituted alkyl or the like, R4 is optionally substituted alkyl or the like, R5 is optionally substituted alkyl or the like, R6 is hydrogen or the like, R7 and R8 are each independently hydrogen or the like, R10 and R11 are each independently hydrogen or the like, R12 is optionally substituted alkyl or the like, m and p are each independently integer of 1 to 3.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: February 26, 2013
    Assignee: Shionogi & Co., Ltd.
    Inventors: Koji Masuda, Tomoyuki Ogawa, Takuji Nakatani
  • Patent number: 8324265
    Abstract: Disclosed is a compound useful as a type I 11?hydroxysteroid dehydrogenase inhibitor. A compound represented by the formula: a pharmaceutically acceptable salt or solvate thereof, wherein R1 is optionally substituted alkyl or the like, one of R2 and R4 is a group of formula: —Y—R5, wherein Y is —O— or the like, R5 is substituted alkyl (the substituent is optionally substituted cycloalkyl or the like), optionally substituted branched alkyl or the like, the other of R2 and R4 is hydrogen or optionally substituted alkyl, R3 is a group of formula: —C(?O)—Z—R6, wherein Z is —NR7— or —NR7—W—, R6 is optionally substituted cycloalkyl or the like, R7 is hydrogen or optionally substituted alkyl, W is optionally substituted alkylene, X is ?N— or the like, with the proviso that compounds wherein R2 is 2-(morphorino)ethoxy, R3 is N-(1-adamantyl)carbamoyl and R1 is benzyl are excluded.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: December 4, 2012
    Assignee: Shionogi & Co., Ltd.
    Inventors: Noriyuki Kurose, Mikayo Hayashi, Tomoyuki Ogawa, Koji Masuda, Eiichi Kojima
  • Publication number: 20120259128
    Abstract: Disclosed is an adamantanamine derivative which is useful as a significant intermediate of an 11?HSD-1 inhibitor. Disclosed is a compound represented by the formula (II): wherein R10 is a group represented by the formula: —(CR13R14)m-NR12—R11 or the like.
    Type: Application
    Filed: December 20, 2010
    Publication date: October 11, 2012
    Applicant: SHIONOGI & CO., LTD.
    Inventors: Tomoyuki Ogawa, Koji Masuda
  • Publication number: 20120244356
    Abstract: The present invention relates to Fe16N2 particles in the form of a single phase which are obtained by subjecting iron oxide or iron oxyhydroxide whose surface may be coated with at least alumina or silica, if required, as a starting material, to reducing treatment and nitridation treatment, a process for producing the Fe16N2 particles in the form of a single phase for a heat treatment time of not more than 36 hr, and further relates to an anisotropic magnet or a bonded magnet which is obtained by magnetically orienting the Fe16N2 particles in the form of a single phase. The Fe16N2 particles according to the present invention can be produced in an industrial scale and have a large BHmax value.
    Type: Application
    Filed: October 19, 2010
    Publication date: September 27, 2012
    Inventors: Migaku Takahashi, Tomoyuki Ogawa, Yasunobu Ogata, Naoya Kobayashi
  • Publication number: 20120115548
    Abstract: A mobile communication base station antenna has two array antennas juxtaposed in a horizontal direction. Each of the array antennas includes a plurality of antenna element pairs arranged in a vertical direction. Each of the antenna element pairs includes two antenna elements having polarization characteristics perpendicular to each other. A shield plate is provided between the two array antennas. The plurality of antenna element pairs of each of the two array antennas are classified into a first group of M-antenna element pairs, a second group of N-antenna element pairs, and a third group of P-antenna element pairs from one end to another end of the two array antennas (M, N, and P are positive integers, respectively).
    Type: Application
    Filed: March 11, 2011
    Publication date: May 10, 2012
    Applicant: HITACHI CABLE, LTD.
    Inventors: Takayuki Shimizu, Shinsuke Murano, Ryota Suzuki, Osamu Tasaki, Tomoyuki Ogawa
  • Publication number: 20120062440
    Abstract: A mobile communication base station antenna has a first array antenna and a second array antenna. Antenna elements of the first and second array antennas are classified into the first, second and third groups G1, G2 and G3. A first feeding port is connected to the antenna elements in the odd number groups (the first group G1 and the third group G3) of the first array antenna and the antenna elements in the even number group of the second array antenna. On the other hand, a second feeding port is connected to the antenna elements in the even number group (the second group G2) of the first array antenna and the antenna elements in the odd number groups (the first group G1 and the third group G3) of the second array antenna.
    Type: Application
    Filed: September 14, 2011
    Publication date: March 15, 2012
    Applicant: HITACHI CABLE, LTD.
    Inventors: Osamu TASAKI, Tomoyuki OGAWA, Takayuki SHIMIZU, Shinsuke MURANO, Ryota SUZUKI
  • Patent number: 8081394
    Abstract: An information recording apparatus has a plurality of fine particles forming an array on a plane in close proximity of each other, each of the plural particles including a ferromagnetic metal, a light-emitting device for exciting a near-field light, and a photo-electric conversion element for detecting a near-field light traveled along the fine particles. Summary information may be recorded for plural information recording parts.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: December 20, 2011
    Assignees: Ricoh Company, Ltd., Tohoku University
    Inventors: Migaku Takahashi, Masakiyo Tsunoda, Shin Saito, Tomoyuki Ogawa, Itaru Fujimura, Shigeyoshi Misawa, Toshiyuki Kawasaki
  • Publication number: 20110261244
    Abstract: An image processing apparatus has a data reading section, a controlling section, and a display section. The data reading section reads a reproduced file selected from a first file and a second file. Here, the first file includes data of a first image together with metadata indicating a location of a second image related to the first image. The second file includes the data of the first image but do not include the metadata. The controlling section detects the metadata from the reproduced file. The display section performs display of indicating existence of the second image on a first screen reproducing the first image of the reproduced file when the controlling section detects the metadata.
    Type: Application
    Filed: July 6, 2011
    Publication date: October 27, 2011
    Applicant: NIKON CORPORATION
    Inventors: Tomoyuki Ogawa, Morihiro Takagi, Junko Hasegawa
  • Patent number: 8039548
    Abstract: A process for purification of a hydroxycarboxylic acid by distillation, comprising: distilling a hydroxycarboxylic acid solution containing a high-boiling point hydroxy compound comprising at least one species selected from the group consisting of alcohols and phenols having a higher boiling point than the hydroxycarboxylic acid. As a result, a hydroxycarboxylic acid suitable as a starting material for production of a polyhydroxycarboxylic acid can be obtained. The purified hydroxycarboxylic acid is further polycondensed to provide a hydroxycarboxylic acid oligomer, which is de-polymerized to provide a cyclic ester comprising a dimer of the hydroxycarboxylic acid, and the cyclic ester is converted into a polyhydroxycarboxylic acid by ring-opening polymerization thereof.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: October 18, 2011
    Assignee: Kureha Corporation
    Inventors: Tomoyuki Ogawa, Michio Kikuchi
  • Patent number: 8017638
    Abstract: Disclosed is a compound useful as an inhibitor of 11?-hydroxysteroid dehydrogenase type 1. A compound represented by the formula: a pharmaceutically acceptable salt or solvate thereof, wherein R1 is a group of the formula: —C(?O)NR4R5, (wherein R4 and R5 are each independently, hydrogen, optionally substituted alkyl or the like) or a group of the formula: —NR6C(?O)R7, (wherein R6 and R7 are each independently, hydrogen, optionally substituted alkyl or the like), X and Y are each independently —O— or the like, Z is a bond or the like, R2 is optionally substituted alkyl, optionally substituted alkenyl or the like, R3 is optionally substituted alkyl, optionally substituted alkenyl or the like.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: September 13, 2011
    Assignee: Shionogi & Co., Ltd.
    Inventors: Tomoyuki Ogawa, Nobuo Chomei, Koji Masuda, Satoru Tanaka
  • Publication number: 20110187616
    Abstract: There is provided a composite antenna device for responding to waves in a plurality of radio frequency bands, including: a sheet of conductor plate; a first antenna provided on the sheet of conductor plate for responding to a linearly-polarized wave in at least one radio frequency band; and a second antenna provided on the sheet of conductor plate for responding to a circularly-polarized wave in a radio frequency band that is different from the at least one radio frequency band, wherein the first antenna has a ground portion, the second antenna is formed in an area in the ground portion, and each of the first antenna and the second antenna has a feeding point.
    Type: Application
    Filed: August 30, 2010
    Publication date: August 4, 2011
    Inventors: Naoki Iso, Haruyuki Watanabe, Morihiko Ikegaya, Tomoyuki Ogawa
  • Publication number: 20110057844
    Abstract: An antenna according to the present invention comprises: a conductor plate with an axisymmetrical shape; a slot formed on the conductor plate; and a feeding point provided on the axisymmetrical axis of the conductor plate, in which the conductor plate is folded along two locations that are parallel to the axisymmetrical axis toward mutually different directions.
    Type: Application
    Filed: March 5, 2010
    Publication date: March 10, 2011
    Inventors: Haruyuki WATANABE, Naoki Iso, Morihiko Ikegaya, Tomoyuki Ogawa