Patents by Inventor Yutaka Ito

Yutaka Ito 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: 8102715
    Abstract: Apparatus, methods, and systems are disclosed, including those that are to prevent a bias voltage from rising to a higher level than a storage node voltage as the bias voltage transitions to a ground level. For example a first voltage generator may be utilized to generate a bias voltage to bias a transistor in a memory cell in a memory array. A second voltage generator may be utilized to generate an plate voltage. The memory cell may include a transistor on a substrate and a capacitor. The capacitor connects from a drain of the transistor to the plate voltage. The storage node voltage is located at the drain of the transistor. A power controller may provide an off signal to the first and second voltage generators. The bias voltage may then transition to ground from a voltage less than zero volts. The rate of the bias voltage rise to ground is such that the bias voltage is maintained at less than or equal to the storage node voltage during the transition time period.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: January 24, 2012
    Assignee: Micron Technology, Inc.
    Inventors: Yutaka Ito, Adrian J. Drexler, Brandi M. Jones
  • Publication number: 20110317502
    Abstract: A memory device includes a command decoder and control interface logic. One or more external inputs, such as row and column address strobes, communicate with the command decoder through the control interface logic. A control signal is also in communication with the control interface logic. During operation of a drowsy mode in the memory device, a self-refresh signal causes the control signal to disable the external inputs. With the external inputs disabled, command hazards are reduced when exiting drowsy mode.
    Type: Application
    Filed: August 31, 2011
    Publication date: December 29, 2011
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Yutaka Ito, Masayoshi Nomura, Keiichiro Abe
  • Patent number: 8083948
    Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: December 27, 2011
    Assignee: Kobelco Eco-Solutions Co., Ltd.
    Inventors: Yutaka Ito, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Noboru Miyaoka, Kenji Takesaka
  • Publication number: 20110299353
    Abstract: Some embodiments include a voltage generator to generate a voltage to apply to a line used to access a memory cell of a memory device in which the voltage is applied to the line when the memory cell is not being accessed, and a power controller to cause the voltage to change during a time interval after a refresh operation of the memory device. Other embodiments including additional apparatus, systems, and methods are disclosed.
    Type: Application
    Filed: August 19, 2011
    Publication date: December 8, 2011
    Inventors: Yutaka Ito, Masayoshi Nomura, Keiichiro Abe
  • Publication number: 20110302328
    Abstract: Apparatus, systems, and methods are disclosed that operate within a memory to execute internal commands, to suspend the execution of commands during a transfer period, and to execute external commands following the transfer period. Additional apparatus, systems, and methods are disclosed.
    Type: Application
    Filed: August 19, 2011
    Publication date: December 8, 2011
    Inventors: Yutaka Ito, Tadashi Yamamoto
  • Patent number: 8070954
    Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: December 6, 2011
    Assignee: Kobelco Eco-Solutions Co., Ltd.
    Inventors: Yutaka Ito, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Noboru Miyaoka, Kenji Takesaka
  • Patent number: 8070953
    Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: December 6, 2011
    Assignee: Kobelco Eco-Solutions Co., Ltd.
    Inventors: Yutaka Ito, Katsuhide Motojima, Kazuya Uematsu, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Megumi Manabe
  • Patent number: 8070955
    Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: December 6, 2011
    Assignee: Kobelco Eco-Solutions Co., Ltd.
    Inventors: Yutaka Ito, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Noboru Miyaoka, Kenji Takesaka
  • Patent number: 8062527
    Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: November 22, 2011
    Assignee: Kobelco Eco-Solutions Co., Ltd.
    Inventors: Yutaka Ito, Katsuhide Motojima, Kazuya Uematsu, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Megumi Manabe, Noboru Miyaoka, Kenji Takesaka
  • Patent number: 8042022
    Abstract: Methods, apparatuses and systems are disclosed for preserving, verifying, and correcting data in DRAM device during a power-saving mode. In the power-saving mode, memory cells in the DRAM device may be refreshed using a self-refresh operation. This self-refresh operation may allow bit errors to occur in the DRAM device. However, by employing error correction coding (ECC), embodiments of the present invention may detect and correct these potential errors that may occur in the power-saving mode. Furthermore, a partial ECC check cycle is employed to check and correct a sub-set of the memory cells during a periodic self-refresh process that occurs during the power-saving mode.
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: October 18, 2011
    Assignee: Micron Technology, Inc.
    Inventors: Yutaka Ito, Takuya Nakanishi
  • Patent number: 8017039
    Abstract: Provided is a fluorescent body for use in a near-ultraviolet excitation light-emitting element, comprising the compound given by formula (1), having part of element M1 and/or M2 therein replaced by an activation element (M3). M1aM2bPcO15(1) (Here, M1 represents one or more elements chosen from the group comprising Ca, Sr, and Ba; M2 represents one or more elements chosen from the group comprising Mg and Zn; a is a number between 1.5 and 2.5, inclusive; b is a number between 2.5 and 3.5, inclusive; and c is a number between 3.5 and 4.5, inclusive.) A fluorescent body in which M1 is Sr and M2 is Mg, and a fluorescent body in which M3 is Eu are preferable. Also provided are a fluorescent paste having the fluorescent body, and a near-ultraviolet excitation light-emitting element having the fluorescent body and having a high luminescent intensity.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: September 13, 2011
    Assignees: Niigata University, Sumitomo Chemical Company, Limited
    Inventors: Kenji Toda, Kazuyoshi Uematsu, Mineo Sato, Tetsu Umeda, Yutaka Ito
  • Patent number: 8014222
    Abstract: A memory device includes a command decoder and control interface logic. One or more external inputs, such as row and column address strobes, communicate with the command decoder through the control interface logic. A control signal is also in communication with the control interface logic. During operation of a drowsy mode in the memory device, a self-refresh signal causes the control signal to disable the external inputs. With the external inputs disabled, command hazards are reduced when exiting drowsy mode.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: September 6, 2011
    Assignee: Micron Technology, Inc.
    Inventors: Yutaka Ito, Masayoshi Nomura, Keiichiro Abe
  • Publication number: 20110205813
    Abstract: Apparatus, methods, and systems are disclosed, including those that are to prevent a bias voltage from rising to a higher level than a storage node voltage as the bias voltage transitions to a ground level. For example a first voltage generator may be utilized to generate a bias voltage to bias a transistor in a memory cell in a memory array. A second voltage generator may be utilized to generate an plate voltage. The memory cell may include a transistor on a substrate and a capacitor. The capacitor connects from a drain of the transistor to the plate voltage. The storage node voltage is located at the drain of the transistor. A power controller may provide an off signal to the first and second voltage generators. The bias voltage may then transition to ground from a voltage less than zero volts. The rate of the bias voltage rise to ground is such that the bias voltage is maintained at less than or equal to the storage node voltage during the transition time period.
    Type: Application
    Filed: May 4, 2011
    Publication date: August 25, 2011
    Inventors: Yutaka Ito, Adrian J. Drexler, Brandi M. Jones
  • Patent number: 8005995
    Abstract: Apparatus, systems, and methods are disclosed that operate within a memory to execute internal commands, to suspend the execution of commands during a transfer period, and to execute external commands following the transfer period. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: August 23, 2011
    Assignee: Micron Technology, Inc.
    Inventors: Yutaka Ito, Tadashi Yamamoto
  • Patent number: 8004920
    Abstract: Some embodiments include a voltage generator to generate a voltage to apply to a line used to access a memory cell of a memory device in which the voltage is applied to the line when the memory cell is not being accessed, and a power controller to cause the voltage to change during a time interval after a refresh operation of the memory device. Other embodiments including additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: August 23, 2011
    Assignee: Micron Technology, Inc.
    Inventors: Yutaka Ito, Masayoshi Nomura, Keiichiro Abe
  • Publication number: 20110194326
    Abstract: Memory die, stacks of memory dies, memory devices and methods, such as those to construct and operate such die, stacks and/or memory devices are provided. One such memory die includes an identification configured to be selectively coupled to an external select connection node depending on how the die is arranged in a stack. The identification circuit can determine an identification of its respective memory die responsive to how, if coupled, the identification circuit is coupled to the external select connection node.
    Type: Application
    Filed: February 11, 2010
    Publication date: August 11, 2011
    Inventors: Takuya Nakanishi, Yutaka Ito
  • Publication number: 20110163036
    Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.
    Type: Application
    Filed: March 1, 2011
    Publication date: July 7, 2011
    Applicant: KOBELCO ECO-SOLUTIONS CO., LTD.
    Inventors: Yutaka Ito, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Noboru Miyaoka, Kenji Takesaka
  • Publication number: 20110148469
    Abstract: Various embodiments include apparatus and methods having circuitry to detect and/or assign identification information to dice arranged in a stack and coupled by conductive paths.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 23, 2011
    Inventors: Yutaka Ito, Keiichiro Abe
  • Publication number: 20110147310
    Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.
    Type: Application
    Filed: March 1, 2011
    Publication date: June 23, 2011
    Applicant: KOBELCO ECO-SOLUTIONS CO., LTD.
    Inventors: Yutaka Ito, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Noboru Miyaoka, Kenji Takesaka
  • Publication number: 20110139716
    Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.
    Type: Application
    Filed: February 24, 2011
    Publication date: June 16, 2011
    Applicant: KOBELCO ECO-SOLUTIONS CO., LTD.
    Inventors: Yutaka Ito, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Noboru Miyaoka, Kenji Takesaka