Patents by Inventor Hitoshi Sakai

Hitoshi Sakai 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).

  • Patent number: 8310198
    Abstract: Provided is a lithium ion secondary cell charge method including: a step S1 which judges whether a physical amount value corresponding to an accumulation amount of a lithium ion secondary cell is lowered to a first predetermined value; a step S2 which judges whether a hybrid vehicle is in a travel stop state; and charge steps S5 to SA which divide a charge period K into two or more divided charge periods KC1, KC2 and a non-charge period KR between the divided charge periods, so that charge is performed during the divided charge periods KC1, KC2 while the hybrid vehicle is in the travel stop state and charge stop or discharge is performed during the non-charge period KR, wherein each of the divided charge periods KC1, KC2 is not shorter than 40 seconds.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: November 13, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yasuhide Kurimoto, Hitoshi Sakai, Takashi Kuzuya, Masakazu Yokomizo
  • Publication number: 20110317790
    Abstract: A receiving apparatus includes: a transmission path characteristics estimating section obtaining pre-interpolation transmission path characteristic data as estimate values for transmission path characteristics as characteristics of a transmission path of an OFDM signal for transmission symbols of pilot signals by using the pilot signals contained in the OFDM signal, and filtering the pre-interpolation transmission path characteristic data by using an interpolation filter, thereby obtaining transmission path characteristic data as estimate values for transmission path characteristics for transmission symbols of the OFDM signal; a distortion correcting section performing distortion correction for the OFDM signal by using the transmission path characteristic data; and a filter controlling section controlling a pass band of the interpolation filter.
    Type: Application
    Filed: June 21, 2011
    Publication date: December 29, 2011
    Applicant: Sony Corporation
    Inventors: Takashi Yokokawa, Hitoshi Sakai, Taylor Matthew
  • Publication number: 20110281161
    Abstract: The lithium secondary battery provided by the present invention includes an electrode provided with an insulating particle-containing layer (34) having a configuration in which an active material layer (344) is retained on a current collector (342), and an insulating particle-containing layer (346), containing insulating particles (44) and a binder (46), is provided on the active material layer (344). A portion (346A) of the insulating particle-containing layer (346) facing the active material layer contains the binder (46) at a higher weight content than a portion (346B) facing an outer surface thereof.
    Type: Application
    Filed: February 9, 2009
    Publication date: November 17, 2011
    Inventors: Hiroaki Ikeda, Hitoshi Sakai, Ryuta Morishima, Hiroyuki Akita, Hidehito Matsuo
  • Publication number: 20110239446
    Abstract: A method is provided for manufacturing an electrode that has a porous inorganic layer on the surface of an active material layer and is suitable for constructing a nonaqueous secondary battery with excellent input-output performance. In this manufacturing method, an electrode perform, which has an active material layer (344) consisting primarily of active material particles (42) and supported on a collector (342), is prepared. The water concentration of at least the surface (344a) of the active material layer (344) is adjusted to 100 ppm to 500 ppm. A slurry (S) containing inorganic particles (44), a binder and an organic solvent is coated on the surface (344a) of the active material layer with the water concentration thus adjusted, to form a porous inorganic layer.
    Type: Application
    Filed: December 11, 2009
    Publication date: October 6, 2011
    Inventors: Ryuta Morishima, Hitoshi Sakai, Hiroaki Ikeda, Hiroyuki Akita, Hidehito Matsuo
  • Publication number: 20110158354
    Abstract: Disclosed herein is a receiver including a receiving section, a first sorting section, a second sorting section, and a switching section.
    Type: Application
    Filed: November 24, 2010
    Publication date: June 30, 2011
    Applicant: Sony Corporation
    Inventors: Takashi YOKOKAWA, Osamu Shinya, Hitoshi Sakai
  • Publication number: 20110142176
    Abstract: Disclosed herein is a receiving apparatus for receiving an orthogonal frequency division multiplexing signal, namely, OFDM signal having a frame having one frame length of a plurality of patterns, including: an acquiring section configured to acquire information on a preamble signal from the OFDM signal transmitted from a transmitting apparatus in accordance with an OFDM system; a frame determining section configured to determine whether or not the one frame length is short in the frame based on the information on the preamble signal acquired from the acquiring section; and a time interpolating section configured to obtain transmission path characteristics by comparing a pilot contained in the preamble signal and a known pilot corresponding to the pilot in a phase of transmission with each other when the frame determining section determines that the one frame length is short in the frame, and interpolate a data portion in a time direction based on the transmission path characteristics thus obtained.
    Type: Application
    Filed: December 2, 2010
    Publication date: June 16, 2011
    Applicant: Sony Corporation
    Inventors: Takashi YOKOKAWA, Tadaaki Yuba, Hidetoshi Kawauchi, Hitoshi Sakai, Yuken Goto, Suguru Houchi
  • Publication number: 20110127958
    Abstract: A battery charge/discharge control device (20) includes an input-enabled power adjustment unit (40) having an input-enabled current value calculation unit (42) and an input power limit value calculation unit (44). The input-enabled current value calculation unit (42) uses a battery current value, a battery temperature value, and an estimated charge capacity value at the time “t” upon execution of detection, so as to obtain an input-enabled current value reduction amount per unit time during charge and an enabled current amount recovery amount per unit time when being left uncontrolled.
    Type: Application
    Filed: July 10, 2009
    Publication date: June 2, 2011
    Inventors: Teruo Ishishita, Junta Izumi, Ko Nozaki, Hitoshi Sakai, Takashi Kuzuya, Kiyohito Machida
  • Patent number: 7872136
    Abstract: To provide an effective and simple process for producing 4-fluoroisoquinoline-5-sulfonylhalide or a salt thereof, and a simple method for separating for purification of the product from a by-produced position isomer thereof. The process for producing 4-fluoroisoquinoline-5-sulfonyl halide or a salt thereof, characterized in that the process includes reacting 4-fluoroisoquinoline or a salt thereof with sulfuric anhydride in the presence or absence of sulfuric acid, to thereby form 4-fluoroisoquinoline-5-sulfonic acid or a salt thereof, and, subsequently, reacting the formed sulfonic acid compound with a halogenating reagent.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: January 18, 2011
    Assignee: Kowa Co., Ltd.
    Inventors: Hitoshi Sakai, Masayuki Masumoto, Jyunji Katsuyama, Kazuhiro Onogi
  • Publication number: 20100259219
    Abstract: Provided is a lithium ion secondary cell charge method including: a step S1 which judges whether a physical amount value corresponding to an accumulation amount of a lithium ion secondary cell is lowered to a first predetermined value; a step S2 which judges whether a hybrid vehicle is in a travel stop state; and charge steps S5 to SA which divide a charge period K into two or more divided charge periods KC1, KC2 and a non-charge period KR between the divided charge periods, so that charge is performed during the divided charge periods KC1, KC2 while the hybrid vehicle is in the travel stop state and charge stop or discharge is performed during the non-charge period KR, wherein each of the divided charge periods KC1, KC2 is not shorter than 40 seconds.
    Type: Application
    Filed: January 9, 2009
    Publication date: October 14, 2010
    Inventors: Yasuhide Kurimoto, Hitoshi Sakai, Takashi Kuzuya, Masakazu Yokomizo
  • Publication number: 20100245677
    Abstract: A receiving apparatus includes: a deinterleaving device configured to perform a deinterleaving process on an LDPC-coded data signal having undergone an interleaving process, the LDPC representing Low Density Parity Check, by use of a memory which has columns capable of storing as many as “a” data, the “a” being an integer of at least 1; and a control device configured such that if the data signal is supplied in units of N data, the N being an integer smaller than the “a,” the control device controls the deinterleaving device to write the data signal to a predetermined address of the memory while reading previously written data from the predetermined address in a write period, the control device further controlling the deinterleaving device to stop writing the data signal to the predetermined address of the memory while reading the previously written data from the predetermined address in a write inhibit period.
    Type: Application
    Filed: March 18, 2010
    Publication date: September 30, 2010
    Inventors: Takashi YOKOKAWA, Hitoshi Sakai
  • Patent number: 7772451
    Abstract: A system for chemically decontaminating radioactive material.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: August 10, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masami Enda, Yumi Yaita, Mitsuyoshi Sato, Hitoshi Sakai, Takeshi Kanasaki, Ichiro Inami
  • Publication number: 20100154840
    Abstract: A system for chemically decontaminating radioactive material.
    Type: Application
    Filed: May 31, 2006
    Publication date: June 24, 2010
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masami Enda, Yumi Yaita, Mitsuyoshi Sato, Hitoshi Sakai, Takeshi Kanasaki, Ichiro Inami
  • Publication number: 20100119037
    Abstract: A nondestructive identification device includes: a radiation source 1 irradiating an x-ray 2 to a standard sample 5 made of a known material and a sample 3; a sensor 4 detecting a radiation ray having transmitted the standard sample 5 and the sample 3; a signal processing device 7 converting a signal of the sensor 4 into an image; an image processing device 8 which performs adjustment on an entire second image to make a luminance value of a part of the standard sample 5 in the obtained image or a relation between the luminance value and a thickness of the standard sample 5 in a first image where the energy of the radiation source 1 is first energy be the same as that in the second image where the energy of the radiation source 1 is second energy, and which performs a computation processing to take a difference or a ratio between the adjusted second image and the first image; and a display device 9 displaying an image.
    Type: Application
    Filed: April 23, 2008
    Publication date: May 13, 2010
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masayo Kato, Koichi Nittoh, Hitoshi Sakai, Chikara Konagai, Katsumi Hosaka
  • Patent number: 7713402
    Abstract: Chemical decontamination method of dissolving oxide film adhered to contaminated component including, preparing decontamination solution in which ozone is dissolved and oxidation additive agent, which suppresses corrosion of metal base of the contaminated component, is added, and applying the decontamination solution to the contaminated component, thereby to remove the oxide film by oxidation.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: May 11, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masami Enda, Yumi Yaita, Norihisa Saito, Hiromi Aoi, Ichiro Inami, Hitoshi Sakai, Satoshi Hiraragi, Yoshinari Takamatsu
  • Patent number: 7622627
    Abstract: A system for chemically decontaminating radioactive material.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: November 24, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masami Enda, Yumi Yaita, Mitsuyoshi Sato, Hitoshi Sakai, Takeshi Kanasaki, Ichiro Inami
  • Publication number: 20090209765
    Abstract: To provide an effective and simple process for producing 4-fluoroisoquinoline-5-sulfonyl halide or a salt thereof, and a simple method for separating for purification of the product from a by-produced position isomer thereof. The process for producing 4-fluoroisoquinoline-5-sulfonyl halide or a salt thereof, characterized in that the process includes reacting 4-fluoroisoquinoline or a salt thereof with sulfuric anhydride in the presence or absence of sulfuric acid, to thereby form 4-fluoroisoquinoline-5-sulfonic acid or a salt thereof, and, subsequently, reacting the formed sulfonic acid compound with a halogenating reagent.
    Type: Application
    Filed: February 23, 2006
    Publication date: August 20, 2009
    Applicant: Kowa Co., Ltd.
    Inventors: Hitoshi Sakai, Masayuki Masumoto, Jyunji Katsuyama, Kazuhiro Onogi
  • Patent number: 7425223
    Abstract: To provide an electrochemical device with a layer structure causing no deterioration of characteristics of materials, in the method for preparing an electrochemical device comprising a first current collector, a first electrode active material layer, a solid electrolyte layer, a second electrode active material layer and a second current collector, all of which are accumulated, the first electrode active material layer, the second electrode active material layer or the solid electrolyte layer is formed by supplying atoms, ions or clusters constituting the first electrode active material layer, the second electrode active material layer or the solid electrolyte layer to the substrate, while irradiating electrons or electromagnetic waves with energy prescribed according to the composition of the first electrode active material layer, the second electrode active material layer or the solid electrolyte layer.
    Type: Grant
    Filed: September 2, 2002
    Date of Patent: September 16, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroshi Higuchi, Shuji Ito, Kazuya Iwamoto, Masaya Ugaji, Hiromu Matsuda, Shinji Mino, Yasuyuki Shibano, Junichi Inaba, Kazuyoshi Honda, Sadayuki Okazaki, Hitoshi Sakai, Yoriko Takai
  • Publication number: 20070184967
    Abstract: A laminated zeolite composite is provided, including a MFI membrane constituted by a MFI type zeolite having a SiO2/Al2O3 (molar ratio) of 40 to 100, and a porous substrate constituted by a MFI type zeolite having a SiO2/Al2O3 (molar ratio) of 20 to 400, wherein the MFI membrane is formed on the porous substrate. The composite has high separation characteristics and high permeability.
    Type: Application
    Filed: April 9, 2007
    Publication date: August 9, 2007
    Applicant: NGK Insulators, Ltd.
    Inventors: Nobuhiko Mori, Toshihiro Tomita, Hitoshi Sakai
  • Patent number: 7252876
    Abstract: A laminated zeolite composite is provided, including a MFI membrane constituted by a MFI type zeolite having a SiO2/Al2O3 (molar ratio) of 40 to 100, and a porous substrate constituted by a MFI type zeolite having a SiO2/Al2O3 (molar ratio) of 20 to 400, wherein the MFI membrane is formed on the porous substrate. The composite has high separation characteristics and high permeability.
    Type: Grant
    Filed: March 10, 2004
    Date of Patent: August 7, 2007
    Assignee: NGK Insulators, Ltd.
    Inventors: Nobuhiko Mori, Toshihiro Tomita, Hitoshi Sakai
  • Publication number: 20070071654
    Abstract: A system for chemically decontaminating radioactive material.
    Type: Application
    Filed: June 1, 2006
    Publication date: March 29, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masami Enda, Yumi Yaita, Mitsuyoshi Sato, Hitoshi Sakai, Takeshi Kanasaki, Ichiro Inami