Patents by Inventor Hiroaki Kawasaki

Hiroaki Kawasaki 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: 20120233166
    Abstract: A content data management apparatus that manages tag data indicating attributes relating to content data, comprising: an extraction section that extracts positional information indicating geographic positions associated with the content data and time information indicating time points associated with the content data, the positional information and the time information being attached to the content data; a speed computation section that computes speeds associated with the content data, based on the positional information and the time information extracted by the extraction section; and a grouping section that groups the content data, based on the speeds computed by the speed computation section.
    Type: Application
    Filed: November 10, 2011
    Publication date: September 13, 2012
    Applicant: Buffalo Inc.
    Inventors: Hayato Kato, Hiroaki Kawasaki, Yutaka Maruyama, Kenji Takahashi
  • Publication number: 20120230537
    Abstract: A tag data management apparatus for managing tag data indicative of an attribute of content data, comprising: an extraction section that extracts positional information included in the content data, the positional information being indicative of a position associated with the content data; and a priority order determination section that determines a priority order of the content data, based on the positional information extracted by the extraction section.
    Type: Application
    Filed: November 10, 2011
    Publication date: September 13, 2012
    Applicant: Buffalo Inc.
    Inventors: Kenji Takahashi, Hayato Kato, Hiroaki Kawasaki, Yutaka Maruyama
  • Patent number: 8207839
    Abstract: An apparatus for detecting a tire having a decreased pressure based on resonance frequency of tires attached to respective wheels of a vehicle. The apparatus includes a storage means for storing information regarding a distribution of resonance frequencies respectively corresponding to a plurality of air pressure statuses, an initialization means for estimating a frequency characteristic of the rotation speed information or the rotation acceleration information, a frequency estimation means for estimating a frequency characteristic of the rotation speed information or the rotation acceleration information of a running vehicle, and a Bayesian estimation means for subjecting a tire pressure status at a certain time to a Bayesian estimation based on the resonance frequency during the initialization, a resonance frequency at the certain time obtained from the frequency estimation means, and distribution-related information stored in the storage means.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: June 26, 2012
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Hajime Fujita, Hiroaki Kawasaki
  • Publication number: 20120131017
    Abstract: A tag information management apparatus for managing tag information indicative of an attribute relating to content data, comprising: an extraction unit that extracts existing tag information assigned to the content data; a generation unit that generates new tag information associated with the existing tag information extracted by the extraction unit; and an assignment unit that assigns the new tag information generated by the generation unit to the content data.
    Type: Application
    Filed: October 27, 2011
    Publication date: May 24, 2012
    Applicant: Buffalo Inc.
    Inventors: Hayato Kato, Hiroaki Kawasaki, Yutaka Maruyama, Kenji Takahashi
  • Patent number: 8183408
    Abstract: The present invention relates to a process for producing an N-carbamoyl-tert-leucine, characterized in mixing tert-leucine with an isocyanic acid compound while a pH of the mixture is kept at not less than 8.0 and not more than 13.5, wherein an amount of the isocyanic acid compound is not less than 0.9 times by mole and not more than 1.1 times by mole relative to an amount of the tert-leucine. According to the present invention, it becomes possible to easily produce an N-carbamoyl-tert-leucine with high efficiency, while the generation of by-products such as a dipeptide-like compound and a urea compound is prevented.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: May 22, 2012
    Assignee: Kaneka Corporation
    Inventors: Hiroaki Kawasaki, Katsuji Maehara, Tadashi Moroshima
  • Publication number: 20120108794
    Abstract: The present invention relates to a method for producing a formyl group-containing porous base matrix, comprising the steps of introducing a spacer in a formyl group-containing porous particle; and then oxidizing the spacer with periodic acid and/or a periodate, to transform the part of the spacer into a formyl group; wherein the formyl group content in the porous particle after introduction of the spacer is not more than 3 ?mol per 1 mL of the porous particle. Also, the present invention relates to a method for producing an adsorbent, comprising the step of immobilizing an amino group-containing ligand on the formyl group-containing porous base matrix. According to the present invention, a formyl-group containing porous base matrix and an adsorbent produced from the porous base matrix of which adsorption amount is high and which is has high strength and of which ligand is difficult to be leaked are provided.
    Type: Application
    Filed: December 3, 2009
    Publication date: May 3, 2012
    Applicants: JNC CORPORATION, KANEKA CORPORATION
    Inventors: Yoshikazu Kawai, Hiroaki Kawasaki, Naomi Kawahara
  • Patent number: 8159097
    Abstract: A rotor 14 is rotatably disposed around a stator 13 that is provided with a plurality of magnetic poles 13a. The inner circumferential face of the rotor is provided with a magnet 15 on whose face opposing the stator main magnetization is performed, and on whose face opposing the substrate FG magnetization is performed. The outer circumferential ends of the magnetic poles of the stator are provided with extended portions 13b and 13c that vertically extend from the magnetic pole base 13d. A face of the substrate opposing the rotor is provided with a FG pattern 19 opposing the magnet 15. The FG pattern is disposed on an outer side in a radial direction of the outer circumferential face of the stator.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: April 17, 2012
    Assignee: Panasonic Corporation
    Inventors: Yuichi Yoshikawa, Hiroaki Kawasaki, Kenji Sugiura, Hiroshi Ueda, Hiroki Asai
  • Patent number: 8159106
    Abstract: A stator 13 on whose outer circumference a plurality of magnetic poles 13a are arranged is mounted on a substrate 11, and a rotor 14 is rotatably disposed around the stator. The inner circumferential face of the rotor is provided with a magnet 15 magnetized to have alternately opposite polarities in a direction opposing the stator, and magnetized to have alternately opposite polarities in a direction opposing the substrate. The outer circumferential ends of the magnetic poles of the stator are provided with a first extended portion 13c that extends from a magnetic pole base 13d to the substrate side, and a second extended portion 13b that extends from the magnetic pole base to a side opposite the substrate side. A face of the substrate opposing the rotor is provided with a FG pattern 19 outside the outer circumferential face of the stator such that the FG pattern opposes the magnet.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: April 17, 2012
    Assignee: Panasonic Corporation
    Inventors: Yuichi Yoshikawa, Hiroaki Kawasaki, Kenji Sugiura, Hiroshi Ueda, Hiroki Asai
  • Patent number: 8159102
    Abstract: A rotor 14 is rotatably disposed around a stator 13 that is provided with a plurality of magnetic poles 13a. The inner circumferential face of a rotor frame 14b of the rotor is provided with a magnet 15 magnetized to have alternately opposite polarities in a direction opposing the stator, and magnetized to have alternately opposite polarities in a direction opposing a substrate. The outer circumferential ends of the magnetic poles of the stator are provided with a first extended portion 13c that extends from a magnetic pole base 13d to a substrate 11 side, and a second extended portion 13b that extends from the magnetic pole base to a side opposite the substrate side. A face of the substrate opposing the rotor is provided with a FG pattern 19.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: April 17, 2012
    Assignee: Panasonic Corporation
    Inventors: Yuichi Yoshikawa, Hiroaki Kawasaki, Kenji Sugiura, Hiroshi Ueda, Hiroki Asai
  • Publication number: 20110175497
    Abstract: The motor comprises a stator, a rotor, and magnets. The stator has a plurality of magnetic poles circumferentially arranged at first spaced intervals. The rotor is rotatably arranged in a position opposing to the stator. The magnets are arranged at second spaced intervals circumferentially on a surface of the rotor. The stator is formed by laminating plate materials, and a plurality of laminated plate materials at least including outermost layers of a laminated body thereof are bent in a direction substantially parallel to the magnet in order to form extended portions. And, when a magnet opposed area of pole tip portion being closest to a magnet including the extended portion is S, and a sectional area of magnetic pole is A, then area ratio (S/A) fulfills the relation of 4.8>(S/A).
    Type: Application
    Filed: January 13, 2011
    Publication date: July 21, 2011
    Inventors: Hiroaki Kawasaki, Yuichi Yoshikawa, Atsuyoshi Koshiba, Yasuhiro Inoue, Koji Kadowaki, Yasuo Kunishige
  • Publication number: 20110170393
    Abstract: When inserted in the slot 150 of the storage unit main body 100, the cartridge-type HDD 200a is situated with the slight clearance between the protrusion 164 of the slot 150 and the upper surface of the cartridge-type HDD 200a. In addition, the protrusion 166 of the slot 150 is loosely fitted in the recess 216 of the cartridge-type HDD 200a.
    Type: Application
    Filed: January 13, 2011
    Publication date: July 14, 2011
    Applicant: Buffalo Inc.
    Inventors: Tomoaki KOUYAMA, Satoru GOTO, Takayuki KAKUTA, Hiroaki KAWASAKI, Takashi ISHIDOSHIRO
  • Patent number: 7963157
    Abstract: An apparatus for detecting a decrease in a tire air pressure includes: a rotation velocity information detection means for periodically detecting tire rotation velocity information for the respective wheels of a vehicle; a frequency characteristic estimate means for estimating, based on this rotation velocity information, a frequency characteristic of the rotation velocity information; and a judgment means for judging, based on the estimated frequency characteristic, a decrease in the air pressure of the tire.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: June 21, 2011
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Hiroaki Kawasaki, Shuichi Adachi
  • Publication number: 20110107828
    Abstract: The detection appatatus includes means for detecting rotation speed information of the respective wheels of a vehicle; means for estimating, a frequency characteristic of the wheel rotation speed information; and means for determining, based on the estimated frequency characteristic, a tire having a decreased air pressure. The frequency characteristic estimate means includes, to a time-series signal including the wheel rotation speed information: means for time-series estimating a third order or more linear model parameter; means for generating pseudo input data; means for estimating, based on the estimated linear model parameter and the pseudo input data, output data to a linear model; means for identifying, based on the pseudo input data and the estimated output, a linear model parameter for which the order is reduced to a second order; and means for estimating, based on the identified parameter for which the order is reduced to the second order, a resonance frequency of a tire torsional direction.
    Type: Application
    Filed: September 8, 2010
    Publication date: May 12, 2011
    Inventor: Hiroaki KAWASAKI
  • Publication number: 20110006620
    Abstract: A stator 3 is provided with a plurality of magnetic poles 3a on the outer circumference thereof, and is configured from a plurality of layers of plate-shaped members. A rotor 4 is rotatably disposed around the stator. The inner circumferential face of the rotor is provided with a magnet 5. The outer circumferential ends of the magnetic poles of the stator are provided with an extended portion that is bent such that at least one plate-shaped member, including an outermost layer, of the plurality of plate-shaped members is substantially parallel to the magnet. When the inner diameter of a bent portion of a plate-shaped member that is the closest to the magnet of the at least one plate-shaped member constituting the extended portion is taken as R1i, and the thickness of the closest plate-shaped member is taken as T1, R1i<T1 is satisfied. Accordingly, it is possible to improve the driving efficiency of an outer rotor-type motor.
    Type: Application
    Filed: June 30, 2010
    Publication date: January 13, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Hiroaki KAWASAKI, Yuichi YOSHIKAWA, Atsuyoshi KOSHIBA, Koji KADOWAKI, Yasuo KUNISHIGE, Yasuhiro INOUE
  • Publication number: 20110001386
    Abstract: A stator 3 is provided with a plurality of magnetic poles 3a on the outer circumference thereof, and is configured from a plurality of layers of plate-shaped members. A rotor 4 is rotatably disposed around the stator. The inner circumferential face of the rotor is provided with a magnet 5. The outer circumferential ends of the magnetic poles of the stator are provided with an extended portion that is bent such that at least one plate-shaped member, including an outermost layer, of the plurality of plate-shaped members is substantially parallel to the magnet. When a thickness of a thinnest plate-shaped member of the at least one plate-shaped member constituting the extended portion is taken as T1, and a thickness of a thinnest plate-shaped member of a plate-shaped member not constituting the extended portion is taken as T2, T1 >T2 is satisfied. Accordingly, it is possible to improve the driving efficiency of an outer rotor-type motor.
    Type: Application
    Filed: June 30, 2010
    Publication date: January 6, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Hiroaki KAWASAKI, Yuichi YOSHIKAWA, Atsuyoshi KOSHIBA, Yasuhiro INOUE, Koji KADOWAKI, Yasuo KUNISHIGE
  • Publication number: 20100327691
    Abstract: A stator 13 on whose outer circumference a plurality of magnetic poles 13a are arranged is mounted on a substrate 11, and a rotor 14 is rotatably disposed around the stator. The inner circumferential face of the rotor is provided with a magnet 15 magnetized to have alternately opposite polarities in a direction opposing the stator, and magnetized to have alternately opposite polarities in a direction opposing the substrate. The outer circumferential ends of the magnetic poles of the stator are provided with a first extended portion 13c that extends from a magnetic pole base 13d to the substrate side, and a second extended portion 13b that extends from the magnetic pole base to a side opposite the substrate side. A face of the substrate opposing the rotor is provided with a FG pattern 19 outside the outer circumferential face of the stator such that the FG pattern opposes the magnet.
    Type: Application
    Filed: June 10, 2010
    Publication date: December 30, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Yuichi Yoshikawa, Hiroaki Kawasaki, Kenji Sugiura, Hiroshi Ueda, Hiroki Asai
  • Publication number: 20100327692
    Abstract: A rotor 14 is rotatably disposed around a stator 13 that is provided with a plurality of magnetic poles 13a. The inner circumferential face of the rotor is provided with a magnet 15 on whose face opposing the stator main magnetization is performed, and on whose face opposing the substrate FG magnetization is performed. The outer circumferential ends of the magnetic poles of the stator are provided with extended portions 13b and 13c that vertically extend from the magnetic pole base 13d. A face of the substrate opposing the rotor is provided with a FG pattern 19 opposing the magnet 15. The FG pattern is disposed on an outer side in a radial direction of the outer circumferential face of the stator.
    Type: Application
    Filed: June 10, 2010
    Publication date: December 30, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Yuichi YOSHIKAWA, Hiroaki KAWASAKI, Kenji SUGIURA, Hiroshi UEDA, Hiroki ASAI
  • Publication number: 20100314965
    Abstract: A rotor 14 is rotatably disposed around a stator 13 that is provided with a plurality of magnetic poles 13a. The inner circumferential face of a rotor frame 14b of the rotor is provided with a magnet 15 magnetized to have alternately opposite polarities in a direction opposing the stator, and magnetized to have alternately opposite polarities in a direction opposing a substrate. The outer circumferential ends of the magnetic poles of the stator are provided with a first extended portion 13c that extends from a magnetic pole base 13d to a substrate 11 side, and a second extended portion 13b that extends from the magnetic pole base to a side opposite the substrate side. A face of the substrate opposing the rotor is provided with a FG pattern 19.
    Type: Application
    Filed: June 10, 2010
    Publication date: December 16, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Yuichi YOSHIKAWA, Hiroaki KAWASAKI, Kenji SUGIURA, Hiroshi UEDA, Hiroki ASAI
  • Publication number: 20100256416
    Abstract: The present invention relates to a process for producing an N-carbamoyl-tert-leucine, characterized in mixing tert-leucine with an isocyanic acid compound while a pH of the mixture is kept at not less than 8.0 and not more than 13.5, wherein an amount of the isocyanic acid compound is not less than 0.9 times by mole and not more than 1.1 times by mole relative to an amount of the tert-leucine. According to the present invention, it becomes possible to easily produce an N-carbamoyl-tert-leucine with high efficiency, while the generation of by-products such as a dipeptide-like compound and a urea compound is prevented.
    Type: Application
    Filed: November 7, 2008
    Publication date: October 7, 2010
    Inventors: Hiroaki Kawasaki, Katsuji Maehara, Tadashi Moroshima
  • Publication number: 20100225463
    Abstract: An apparatus for detecting a tire having a decreased pressure based on resonance frequency of tires attached to respective wheels of a vehicle. The apparatus includes a storage means for storing information regarding a distribution of resonance frequencies respectively corresponding to a plurality of air pressure statuses, an initialization means for estimating a frequency characteristic of the rotation speed information or the rotation acceleration information, a frequency estimation means for estimating a frequency characteristic of the rotation speed information or the rotation acceleration information of a running vehicle, and a Bayesian estimation means for subjecting a tire pressure status at a certain time to a Bayesian estimation based on the resonance frequency during the initialization, a resonance frequency at the certain time obtained from the frequency estimation means, and distribution-related information stored in the storage means.
    Type: Application
    Filed: January 5, 2010
    Publication date: September 9, 2010
    Inventors: Hajime Fujita, Hiroaki Kawasaki