Patents by Inventor Takahiro Yamamoto

Takahiro Yamamoto 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: 10278566
    Abstract: [Object] To make it possible to further improve convenience of a user. [Solution] There is provided a control device including: an autofocus control section configured to execute an autofocus operation by moving at least one optical member; and an autofocus operation determination section configured to determine whether it is possible for the autofocus operation to bring biological tissue into focus, the biological tissue serving as an object. In a case where the autofocus operation determination section determines that it is not possible for the autofocus operation to bring the object into focus, the autofocus control section moves the at least one optical member to a predicted focal position set in advance in accordance with a purpose of imaging.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: May 7, 2019
    Assignees: SONY CORPORATION, SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Sakae Okazaki, Hirotaka Hirano, Takahiro Yamamoto
  • Patent number: 10260867
    Abstract: The present invention provides a measurement apparatus for measuring a shape of a test surface, comprising an optical system configured to irradiate a measurement point on the test surface and a reference surface with light, and cause test light and reference light reflected to interfere with each other, a detector configured to detect an optical path length difference between the test light and the reference light by using interfering light and a processor configured to determine a position of the measurement point based on a plurality of detection results by the detector, wherein a detection result includes an error which cyclically changes, and the plurality of detection results include n detection results obtained in n states in which optical path lengths of the test light are different from each other by 1/n (n?2) of a cycle of the error.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: April 16, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takahiro Yamamoto
  • Patent number: 10260574
    Abstract: A shift control device includes: a selector configured to receive operation of selecting a shift range of an automatic transmission and output selection information corresponding to the operation, the automatic transmission being configured to convert and output driving force of an engine; a range switch controller configured to switch the shift range in accordance with the selection information; a parking mechanism configured to bring the automatic transmission into a parking state by locking rotation of the automatic transmission; a clutch configured to turn on/off transmission of driving force; a clutch controller configured to control operation of the clutch in accordance with the selection information; and a delay setter configured to set delay time until driving of the parking pawl starts on the basis of rotation speed difference and oil temperature of the automatic transmission when selection information indicating that the parking range is selected is output.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: April 16, 2019
    Assignee: SUBARU CORPORATION
    Inventor: Takahiro Yamamoto
  • Publication number: 20190089838
    Abstract: A conference assistance system and method for assisting a user in utilizing conference-related information, each of which: receives input of voice or writing of at least one meeting participant; determines whether text data representing the received voice or writing is to be used by the conference assistance system to generate assistance information, to generate a determination result; when the determination result indicates that the text data is to be used, generates, based on the text data, assistance information for assisting the meeting participant; and controls a display to display the generated assistance information.
    Type: Application
    Filed: November 16, 2018
    Publication date: March 21, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: YORICHIKA ISHIYAMA, Hiroyuki Kimbara, Masaaki Kagawa, Jun Murata, Takahiro Yamamoto
  • Publication number: 20190087112
    Abstract: An information system according to one embodiment of this invention includes a first computer which is an SDS (Software Defined Storage) having a virtualization function and a second computer which is an SDS. The first computer can provide a logical volume using a volume in the second computer as a storage region by the virtualization function. When the information system receives a direction to install a storage control program to the second computer, the information system specifies the logical volume using the volume of the second computer as the storage region among logical volumes in the first computer, and then moves data stored in the volume of the second computer used by the specified logical volume as the storage region to a storage device in the first computer. Thereafter, the storage control program is installed in the second computer.
    Type: Application
    Filed: November 16, 2018
    Publication date: March 21, 2019
    Inventors: Akira YAMAMOTO, Takahiro YAMAMOTO
  • Patent number: 10197005
    Abstract: The compression self-ignition engine fuel injection control device is configured to, during one combustion stroke, perform multiple fuel injections to induce multiple combustions in a cylinder. The fuel injection control device comprises a PCM (70) configured to set an interval between temporally-adjacent two of the multiple fuel injections, so as to allow valley regions of a curve indicative of a frequency characteristic of a combustion pressure wave generated by the multiple combustions to fall within respective ranges of a plurality of resonant frequency bands of a structure of an engine body of the engine, wherein the PCM is operable to increase the interval between the temporally-adjacent multiple fuel injections to 1.7±0.1 msec.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: February 5, 2019
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Naotoshi Shirahashi, Tsunehiro Mori, Takeshi Matsubara, Takahiro Yamamoto, Kiyoaki Iwata
  • Patent number: 10194031
    Abstract: A conference assistance system and method for assisting a user in utilizing conference-related information, each of which: receives input of voice or writing of at least one meeting participant; determines whether text data representing the received voice or writing is to be used by the conference assistance system to generate assistance information, to generate a determination result; when the determination result indicates that the text data is to be used, generates, based on the text data, assistance information for assisting the meeting participant; and controls a display to display the generated assistance information.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: January 29, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Yorichika Ishiyama, Hiroyuki Kimbara, Masaaki Kagawa, Jun Murata, Takahiro Yamamoto
  • Patent number: 10185624
    Abstract: A first node group including at least three nodes is predefined in a distributed storage system. Each node of the first node group is configured to send data blocks stored in storage devices managed by the node to other nodes belonging to the first node group. A first node is configured to receive data blocks from two or more other nodes in the first node group. The first node is configured to create a redundant code using a combination of data blocks received from the two or more other nodes and store the created redundant code to a storage device different from storage devices holding the data blocks used to create the redundant code. Combinations of data blocks used to create at least two redundant codes in redundant codes created by the first node are different in combination of logical addresses of constituent data blocks.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: January 22, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Hiroaki Akutsu, Shunji Kawamura, Kota Yasunaga, Takahiro Yamamoto, Atsushi Kawamura
  • Publication number: 20190017720
    Abstract: An air-conditioning operation condition generation apparatus as an aspect of the present invention generates trial conditions for multiple air conditioners associated with a target space of air-conditioning control, evaluates a trial performed by coordination of the plurality of air conditioners under the trial conditions, and generates actual operation conditions for the plurality of air conditioners to achieve a targeted state in the target space on the basis of evaluation of the trial.
    Type: Application
    Filed: March 5, 2018
    Publication date: January 17, 2019
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tomoshi OTSUKI, Kenichi Fujiwara, Mamiko Abe, Takahiro Yamamoto
  • Publication number: 20180373429
    Abstract: The performance of a computer system which distributes and stores user data and a redundant code is improved. Each computer generates group information indicating positions of a user data region and a redundant code region in each of a plurality of computers; when a write request for write data is received, each computer writes the write data to a local storage device, selects a transmission destination computer on the basis of the group information, and transmits transmission data to the transmission destination computer; when a plurality of pieces of transmission data are respectively received, each computer generates a redundant code by using the plurality of pieces of transmission data on the basis of the group information, and writes the redundant code to the local storage device; and when configurations of the plurality of computers are changed, each computer changes the group information on the basis of the changed configurations.
    Type: Application
    Filed: February 22, 2016
    Publication date: December 27, 2018
    Applicant: HITACHI, LTD.
    Inventors: Takahiro YAMAMOTO, Hiroaki AKUTSU, Yoshinori OHIRA
  • Publication number: 20180372520
    Abstract: The present invention reduces, by optimizing disposition of components on an electronic circuit board, heat transfer from other components mounted on the same board, and improves measurement accuracy of an intake air temperature detection element. A physical quantity detection device of the present invention has an electronic circuit board, which is provided with one or more intake air temperature detection elements (elements having intake air temperature detection function), and which processes electric signals. Furthermore, the physical quantity detection device has a configuration wherein the intake air temperature detection elements, and a power supply regulator having the maximum heat generation quantity are mounted on the same electronic circuit board. The physical quantity detection device is characterized in that the intake air temperature detection elements are disposed on the air flow upstream side of the power supply regulator.
    Type: Application
    Filed: August 3, 2016
    Publication date: December 27, 2018
    Inventors: Takahiro YAMAMOTO, Hiroaki HOSHIKA, Takayuki YOGO, Takahiro MIKI, Takeo HOSOKAWA, Yuki ISOYA
  • Publication number: 20180357127
    Abstract: A first node group including at least three nodes is predefined in a distributed storage system. Each node of the first node group is configured to send data blocks stored in storage devices managed by the node to other nodes belonging to the first node group. A first node is configured to receive data blocks from two or more other nodes in the first node group. The first node is configured to create a redundant code using a combination of data blocks received from the two or more other nodes and store the created redundant code to a storage device different from storage devices holding the data blocks used to create the redundant code. Combinations of data blocks used to create at least two redundant codes in redundant codes created by the first node are different in combination of logical addresses of constituent data blocks.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 13, 2018
    Inventors: Hiroaki AKUTSU, Shunji KAWAMURA, Kota YASUNAGA, Takahiro YAMAMOTO, Atsushi KAWAMURA
  • Patent number: 10152260
    Abstract: An information system according to one embodiment of this invention includes a first computer which is an SDS (Software Defined Storage) having a virtualization function and a second computer which is an SDS. The first computer can provide a logical volume using a volume in the second computer as a storage region by the virtualization function. When the information system receives a direction to install a storage control program to the second computer, the information system specifies the logical volume using the volume of the second computer as the storage region among logical volumes in the first computer, and then moves data stored in the volume of the second computer used by the specified logical volume as the storage region to a storage device in the first computer. Thereafter, the storage control program is installed in the second computer.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: December 11, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Akira Yamamoto, Takahiro Yamamoto
  • Publication number: 20180334987
    Abstract: A method of controlling a fuel injection of a diesel engine for performing a plurality of fuel injections to cause a plurality of combustions inside a cylinder in one combustion cycle, is provided, which includes performing, on compression stroke, the plurality of fuel injections at substantially constant injection intervals while increasing an injection amount as an atmospheric pressure decreases, and performing, after the plurality of fuel injections, another fuel injection including a larger injection amount than in the plurality of fuel injections.
    Type: Application
    Filed: April 25, 2018
    Publication date: November 22, 2018
    Inventors: Naotoshi Shirahashi, Tsunehiro Mori, Takeshi Matsubara, Takahiro Yamamoto, Takeshi Inazumi
  • Publication number: 20180293137
    Abstract: A distributed storage system includes an edge system including edge nodes, and a core system, which is coupled to the edge system via a network, and is configured to hold backup data of the edge system. Each of the edge nodes is configured to provide a volume to a host, generate XOR update differential data representing a differential between a first generation snapshot of the volume and an old generation snapshot of the volume, the old generation being older than the first generation, and transmit the generated XOR update differential data to the core system. The core system is configured to hold, as the backup data, erasure codes generated based on pieces of XOR update differential data transmitted from the edge nodes, and update the erasure codes based on the pieces of XOR update differential data received from the edge nodes.
    Type: Application
    Filed: November 10, 2015
    Publication date: October 11, 2018
    Applicant: HITACHI, LTD.
    Inventors: Hiroaki AKUTSU, Yoshinori OOHIRA, Takahiro YAMAMOTO
  • Patent number: 10092163
    Abstract: An endoscope apparatus includes: a camera head configured to examine an interior of a subject and output a result of the examination; and a control apparatus electrically connected to the camera head and configured for the examination result to be inputted thereto from the camera head and to control operation of the camera head. The camera head includes a plurality of devices, and a CPU configured to perform initialization of at least one of the plurality of devices. The endoscope apparatus makes it possible to shorten start-up time of the entire endoscope apparatus.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: October 9, 2018
    Assignee: Sony Olympus Medical Solutions Inc.
    Inventors: Ichiro Masui, Takahiro Yamamoto
  • Publication number: 20180285016
    Abstract: A computer system includes a plurality of computer nodes communicating with each other via a network. Each of the plurality of computer nodes includes a local storage and at least one virtual machine. Each of the plurality of computer nodes transfers write data for the local storage to at least one different computer node for redundancy. A computer included in the computer system is configured to: obtain information indicating a write load amount of a first virtual machine; obtain information indicating remaining writable space of a local storage of a destination computer node among the plurality of computer nodes; and determine whether or not the first virtual machine should be transferred to the destination computer node, based on the write load amount of the first virtual machine and the remaining writable space of the destination computer node.
    Type: Application
    Filed: August 10, 2016
    Publication date: October 4, 2018
    Applicant: HITACHI, LTD.
    Inventors: Hiroaki AKUTSU, Akira YAMAMOTO, Takahiro YAMAMOTO, Yoshinori OHIRA
  • Patent number: 10087877
    Abstract: The compression self-ignition engine fuel injection control device is configured to, during one combustion stroke, perform multiple fuel injections to induce multiple combustions in a cylinder. The fuel injection control device comprises a PCM (70) configured to set an interval between a pre-injection and a main injection in the multiple fuel injections, so as to allow valley regions of a curve indicative of a frequency characteristic of a combustion pressure wave generated by the multiple combustions to fall within respective ranges of a plurality of resonant frequency bands of a structure of an engine body of the engine, wherein the PCM is operable to increase a fuel injection amount of the pre-injection more largely as an engine load becomes lower at the same engine speed.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: October 2, 2018
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Naotoshi Shirahashi, Tsunehiro Mori, Takeshi Matsubara, Takahiro Yamamoto, Takeshi Inazumi, Keisuke Kawahara
  • Publication number: 20180271014
    Abstract: An autonomous lawn mower includes a movable cover covering a traveling frame and holding devices holding the movable cover. Each holding device includes a holding shaft and a shaft holding unit. The holding shaft includes a lower half portion and an upper half portion. The shaft holding unit holds the lower half portion accommodated in an accommodating portion of the traveling frame such that the lower half portion can slide in only a horizontal direction. The upper half portion extends through a through hole of the movable cover by extending upward from the traveling frame, thereby holding the movable cover so that the movable cover is vertically displaceable. A coil spring intervenes between a receiving portion and an upper wall of the movable cover. One holding device includes a detector which detects the slide displacement amount of the lower half portion.
    Type: Application
    Filed: June 1, 2018
    Publication date: September 27, 2018
    Inventors: Kohei Matsuzawa, Susumu Okubo, Takahide Konchi, Takahiro Yamamoto, Atsushi Moroi
  • Publication number: 20180269546
    Abstract: In one embodiment, a temperature management device is provided with a plurality of battery cells, power sensor(s) each of which detects the charge/discharge power of battery cell(s) at a prescribed time interval, a power representative value calculation section which calculates a power representative value of a time lapse data of the charge/discharge power(s) detected by the power sensor, temperature sensor(s) each of which detects the temperature of battery cell(s) at a prescribed time interval, a temperature representative value calculation section which calculates a temperature representative value of a time lapse data of temperature(s) detected by the temperature sensor, a radiation characteristic identification section which identifies a radiation characteristic from the temperature representative value and the power representative value, and an air conditioning setting calculation section which calculates an air conditioning setting for the battery cell(s) corresponding to the power representative value
    Type: Application
    Filed: August 30, 2017
    Publication date: September 20, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kenichi Fujiwara, Takahiro Yamamoto, Ryosuke Takeuchi, Masatake Sakuma, Tomohiro Toyosaki, Takenori Kobayashi