Patents by Inventor Ryuji Sakai

Ryuji 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).

  • Publication number: 20220010982
    Abstract: To provide a reticular resin molding and an operating method of an air conditioner capable of increasing a heat exchange efficiency in a heat exchanger by controlling a charge of air introduced into the heat exchanger. The reticular resin molding has a plate form, is composed of a thermoplastic resin, includes a plurality of vent holes penetrating in a thickness direction, and is capable of increasing a heat exchange efficiency in a heat exchanger by introducing air, having passed through the vent holes to control a charge thereof, into the heat exchanger. The reticular resin molding is composed of a thermoplastic resin of polyethylene or polypropylene obtained by dissolving therein a non-fired powder of a montmorillonite-based clay mineral. Further, the operating method of an air conditioner comprises providing, to the heat exchanger, this reticular resin molding so as to cross an airflow path to a heat exchanger, and introducing the air, having passed through the vent holes, into the heat exchanger.
    Type: Application
    Filed: November 22, 2018
    Publication date: January 13, 2022
    Inventor: Ryuji SAKAI
  • Publication number: 20210257942
    Abstract: A brake circuit discharge system is disclosed that includes: a motor drive circuit configured to drive a motor; a brake drive circuit configured to drive a brake B to decelerate and stop the driving of the motor and to apply the brake when power is cut off; a control unit configured to control the operation of the motor drive circuit and the brake drive circuit; a capacitor connected to a power line of the brake drive circuit; a discharge resistor connected in parallel with the capacitor to the power line of the brake drive circuit, and configured to discharge electric charge accumulated in the capacitor; a discharge changeover switch connected in series to the discharge resistor; and a discharge instruction generation circuit connected to the discharge changeover switch, and configured to generate a switching instruction signal for opening and closing the discharge changeover switch.
    Type: Application
    Filed: June 12, 2019
    Publication date: August 19, 2021
    Inventor: RYUJI SAKAI
  • Publication number: 20210241172
    Abstract: A machine learning model compression system according to an embodiment includes one or more hardware processors configured to: select a layer of a trained machine learning model in order from an output side to an input side of the trained machine learning model; calculate, in units of an input channel, a first evaluation value evaluating a plurality of weights included in the selected layer; sort, in ascending order or descending order, the first evaluation values each calculated in units of the input channel; select a given number of the first evaluation values in ascending order of the first evaluation values; and delete the input channels used for calculation of the selected first evaluation values.
    Type: Application
    Filed: August 26, 2020
    Publication date: August 5, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takahiro TANAKA, Kosuke HARUKI, Ryuji SAKAI, Akiyuki TANIZAWA, Atsushi YAGUCHI, Shuhei NITTA, Yukinobu SAKATA
  • Publication number: 20210216051
    Abstract: An apparatus unit includes two or more apparatuses coupled to each other, the apparatuses including respective casings that are independent of each other. Two or more storage media are attached to one side surface of the casing of one of the two or more apparatuses such that the two or more storage media are adjacent to each other, the two or more storage media each storing characteristic data of a corresponding one of the two or more apparatuses or storing an IP address of a save location of the characteristic data of the corresponding one of the two or more apparatuses.
    Type: Application
    Filed: May 28, 2019
    Publication date: July 15, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Akihiro KONDO, Ryuji SAKAI, Hideyasu MURAOKA
  • Publication number: 20200285992
    Abstract: According to an embodiment, a machine learning model compression system includes a memory and a hardware processor. The hardware processor is coupled to the memory and configured to: analyze an eigenvalue of each layer of a machine learning model by using a data set and the machine learning model, the machine learning model having been learned based on the data set; determine a search range of a compressed model based on a count of eigenvalues, each of which is used for calculating a first value and causes the first value to exceed a predetermined threshold; select a parameter for determining a structure of the compressed model included in the search range; generate the compressed model by using the parameter, and judge whether the compressed model satisfies one or more predetermined restriction conditions or not.
    Type: Application
    Filed: August 27, 2019
    Publication date: September 10, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takahiro TANAKA, Atsushi YAGUCHI, Ryuji SAKAI, Masahiro OZAWA, Kosuke HARUKI
  • Publication number: 20200240115
    Abstract: An electromagnetic valve identification device configured to realize individual identification of an electromagnetic valve while suppressing an increase in manufacturing cost. The electromagnetic valve identification device is mounted on an industrial machine, such as a construction machine or an industrial vehicle, configured to move a hydraulic actuator to perform work. The electromagnetic valve identification device includes: an inductance measuring circuit configured to supply an alternating current to a solenoid of an electromagnetic valve of a hydraulic device, the hydraulic device being configured to supply pressure oil to the hydraulic actuator to operate the hydraulic actuator; a calculating portion configured to calculate an inductance of the solenoid based on the alternating current supplied to the solenoid by the inductance measuring circuit; and a storage portion configured to store the calculated inductance of the solenoid as individual identification information of the electromagnetic valve.
    Type: Application
    Filed: August 22, 2018
    Publication date: July 30, 2020
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Akihiro KONDO, Ryuji SAKAI, Yuki NAKAYAMA
  • Patent number: 9964211
    Abstract: An end part of a piston on a front edge side is formed so as to have a crowning of a 1.2-order to 2.5-order curve where a length is 10% or more and 80% or less of a length of a cylindrical part and a height is 10% or more and 160% or less of a clearance. An end part of a cylinder block on a front edge side is formed so as to have a crowning of a 1.2-order to 2.5-order curve where a length is 8% or more and 60% or less of the length of a cylindrical part and a height is 12% or more and 125% or less of the clearance.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: May 8, 2018
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Isamu Yoshimura, Ryo Nomura, Hisao Wada, Ryuji Sakai
  • Publication number: 20150226190
    Abstract: A regulator includes a feedback lever configured to move a compensating sleeve in an axial direction of a compensating spool. The compensating spool and the compensating sleeve form: a self-pressure introduction chamber, into which a self-pressure of a pump is introduced; and a pressure adjuster configured to output a control pressure from the self-pressure introduction chamber to a large-diameter pressure receiver of a servo piston. The compensating sleeve includes a stepped portion, to which a pressure in a direction in which a control spring urges the compensating spool is applied when the self-pressure is introduced into the self-pressure introduction chamber.
    Type: Application
    Filed: November 25, 2013
    Publication date: August 13, 2015
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryuji Sakai, Isamu Yoshimura, Ryoji Irie, Hidetoshi Miura
  • Publication number: 20150219215
    Abstract: An end part of a piston on a front edge side is formed so as to have a crowning of a 1.2-order to 2.5-order curve where a length is 10% or more and 80% or less of a length of a cylindrical part and a height is 10% or more and 160% or less of a clearance. An end part of a cylinder block on a front edge side is formed so as to have a crowning of a 1.2-order to 2.5-order curve where a length is 8% or more and 60% or less of the length of a cylindrical part and a height is 12% or more and 125% or less of the clearance.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 6, 2015
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Isamu Yoshimura, Ryo Nomura, Hisao Wada, Ryuji Sakai
  • Publication number: 20140223419
    Abstract: According to one embodiment, a compiler applicable to a parallel computer including processors, wherein a source program is input to the compiler and a local code for each of the processors are generated, the compiler includes a generation module and an object code generation module. The generation module is configured to analyze the input source program, extract a data transfer point from a procedure described in the source program, and generate a call processing for data copy. The object code generation module is configured to generate an object code including the call processing.
    Type: Application
    Filed: August 30, 2013
    Publication date: August 7, 2014
    Applicant: Kabushiki Kaisha Toshiba
    Inventor: Ryuji SAKAI
  • Patent number: 8783497
    Abstract: A filler plug is configured such that: a head portion is formed on an upper end of an external thread; a sealing portion formed at the head portion strongly contacts a funnel-shaped inclined inner peripheral surface formed at one end of an internal thread of a hydraulic device oil passage by tightening the external thread with respect to the internal thread; an upper peripheral surface of the sealing portion is tapered; a circular constricted portion is formed between the sealing portion and the upper end of the external thread; and a dimensionless value of a head portion height H1 from an upper surface of the head portion to the sealing portion, that is, a dimensionless value obtained by dividing the head portion height H1 by a nominal designation value of the external thread portion, ranges from 0.4 to 0.7.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: July 22, 2014
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Ryuji Sakai, Hisao Wada, Tatsuya Imai
  • Publication number: 20140168078
    Abstract: According to one embodiment, electronic device including, shadow image generating module, shadow image position identification module, and output image processing module. Shadow image generating module configured to compare corrected image with original image and configured to generate shadow image. Shadow image position identification module configured to identify position on projection image designated by shadow image. Output image processing module configured to superimpose shadow image identified by shadow image position identification module on projection image and configured to output superimposed image.
    Type: Application
    Filed: August 15, 2013
    Publication date: June 19, 2014
    Applicant: Kabushiki Kaisha Toshbia
    Inventors: Takahiro SUZUKI, Ryuji SAKAI, Kosuke HARUKI, Akira TANAKA
  • Publication number: 20130342448
    Abstract: According to one embodiment, an information processing apparatus includes: a detector configured to set a detection area curved in an arc shape to a frame image included in a video that is based on input video data, with reference to a position of a face image included in the video to detect a movement of an operator giving an operation instruction in the detection area; and an output module configured to output operation data indicating the operation instruction given by the movement detected by the detector.
    Type: Application
    Filed: August 23, 2013
    Publication date: December 26, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki TANAKA, Akira TANAKA, Ryuji SAKAI, Kosuke HARUKI, Mitsuru SHIMBAYASHI, Takahiro SUZUKI
  • Publication number: 20130336532
    Abstract: According to one embodiment, an information processing apparatus includes: a detector configured to set a plurality of detection areas to a single piece of face image included in a video image that is based on input video data, with reference to a position of the face image to detect movements of an operator giving an operation instruction in the detection areas; and an output module configured to output operation data indicating the operation instruction based on a combination of the movements detected in the detection areas.
    Type: Application
    Filed: August 19, 2013
    Publication date: December 19, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki TANAKA, Akira TANAKA, Ryuji SAKAI, Kosuke HARUKI, Mitsuru SHIMBAYASHI, Takahiro SUZUKI
  • Publication number: 20130166887
    Abstract: According to one embodiment, a data processing apparatus includes a processor and a memory. The processor includes core blocks. The memory stores a command queue and task management structure data. The command queue stores a series of kernel functions. The task management structure data defines an order of execution of kernel functions by associating a return value of a previous kernel function with an argument of a subsequent kernel function. Core blocks of the processor are capable of executing different kernel functions.
    Type: Application
    Filed: August 16, 2012
    Publication date: June 27, 2013
    Inventor: Ryuji Sakai
  • Publication number: 20130121605
    Abstract: According to one embodiment, an image processing method includes: calculating in a unit of a display area, characteristic information indicating a characteristic included in the display area of first frame image information; searching for motion of a pixel between the first frame image information and second frame image information that is contained in the moving image information and that is posterior to the first frame image information; estimating characteristic information in the unit of the display area of the second frame image information based on the motion of the pixel and the characteristic information in the unit of the display area of the first frame image information; generating high-frequency image information in which a high-frequency component varies depending on the characteristic information in the unit of the display area of the second frame image information; and blending the high-frequency image information on the second frame image information.
    Type: Application
    Filed: July 6, 2012
    Publication date: May 16, 2013
    Inventors: Kei Imada, Yukie Takahashi, Ryuji Sakai
  • Publication number: 20130062349
    Abstract: A filler plug is configured such that: a head portion is formed on an upper end of an external thread; a sealing portion formed at the head portion strongly contacts a funnel-shaped inclined inner peripheral surface formed at one end of an internal thread of a hydraulic device oil passage by tightening the external thread with respect to the internal thread; an upper peripheral surface of the sealing portion is tapered; a circular constricted portion is formed between the sealing portion and the upper end of the external thread; and a dimensionless value of a head portion height H1 from an upper surface of the head portion to the sealing portion, that is, a dimensionless value obtained by dividing the head portion height H1 by a nominal designation value of the external thread portion, ranges from 0.4 to 0.7.
    Type: Application
    Filed: June 1, 2011
    Publication date: March 14, 2013
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryuji Sakai, Hisao Wada, Tatsuya Imai
  • Patent number: 8255911
    Abstract: According to one embodiment, parallel processing optimization method for an apparatus configured to assign dynamically a part of some of basic modules, into which a program is divided and which comprise a execution rule which defines a executing order of the basic modules and are executable asynchronously with another modules, to threads includes identifiers based on the execution rule wherein the some of the basic modules are assignable to the threads, and configured to execute in parallel the threads by execution modules, the method includes managing the part of some of the basic modules and the identifiers of the threads assigned the part of some of the basic modules, managing an executable set includes the some of the basic modules, calculating transfer costs of the some of the basic modules when data, and selecting one of the basic module with a minimum transfer cost in the transfer costs.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: August 28, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Ryuji Sakai
  • Patent number: 8196146
    Abstract: An information processing apparatus includes a plurality of execution units and a scheduler which controls assignment of a plurality of basic modules of a program to the plurality of execution units. The scheduler detects a parallel degree representing a parallelization ratio in parallel processing of a program by the plurality of execution units, and detects a load associated with control of assigning the plurality of basic modules in the parallel processing of the program by the plurality of execution units. And then, the scheduler combines two or more basic modules which are successively executed according to a paralleled execution description in order to assign two or more basic modules as a module to a single execution unit, when a value of the parallel degree exceeds a predetermined value and a value of the load exceeds a predetermined value.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: June 5, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Ryuji Sakai
  • Publication number: 20120137300
    Abstract: According to one embodiment, an information processor includes a plurality of execution units, a storage, a generator, and a controller. The storage stores a plurality of basic modules executable asynchronously with another module and a parallel execution control description that defines an execution rule for the basic modules. The generator generates a task graph in which nodes indicating a plurality of tasks relating to the execution of the basic modules are connected by an edge according to the execution order of the tasks, and the nodes and a node of another module in a data dependency relationship are connected by the edge. The controller controls the assignment of the basic modules to the execution units based on the execution rule. The execution units each function as the generator for a basic module to be processed according to the assignment and executes the basic module according to the task graph.
    Type: Application
    Filed: June 21, 2011
    Publication date: May 31, 2012
    Inventor: Ryuji Sakai