Patents by Inventor Motoki Koyama

Motoki Koyama 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: 20250188703
    Abstract: A work machine includes a vehicular body that can travel, a work implement that performs an excavation work with a bucket, and a controller. The controller includes first calculation means for obtaining mechanical data on an operation of the vehicular body and the work implement based on the mechanical data and calculating a target posture of the work implement during an excavation work and second calculation means for calculating an accelerator opening necessary for excavation of a target amount of excavated soil. The controller controls the operation of the work implement such that a posture of the work implement is set to the target posture and controls travel of the vehicular body based on the accelerator opening.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 12, 2025
    Applicant: KOMATSU LTD.
    Inventors: Motoki KOYAMA, Hiroyuki ARATAME
  • Patent number: 12270183
    Abstract: A first payload computation value which represents a weight of loads loaded on the work implement in a first attitude is obtained. The first attitude and a second attitude are equal to each other in ratio between a horizontal distance from a position of a center of gravity of a first link member to a base end of the first link member and a horizontal distance from a position of the center of gravity of the loads loaded on the work implement to the base end. A second payload computation value which represents a weight of loads loaded on the work implement in the second attitude is obtained. When the first payload computation value and the second payload computation value are determined as being different from each other, a weight of a second link member is changed and processing above is repeated.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: April 8, 2025
    Assignee: KOMATSU LTD.
    Inventors: Kensuke Fujii, Toshiaki Kumagai, Motoki Koyama
  • Publication number: 20240410135
    Abstract: A work machine includes a vehicular body, a work implement supported on the vehicular body, and an engine which is a drive source of the work implement. The control device of the work machine includes a rotation speed setting member manually operable for setting a target rotation speed of the engine and a controller that selectively carries out any one of ordinary control and intervention control. When ordinary control is carried out, an engine controller controls the engine at the target rotation speed based on an operation onto the rotation speed setting member. When intervention control is carried out, an intervention controller estimates contents of works by the work implement. The engine controller sets the target rotation speed corresponding to the estimated contents of works and controls the engine at the set target rotation speed regardless of an amount of operation onto the rotation speed setting member.
    Type: Application
    Filed: August 24, 2022
    Publication date: December 12, 2024
    Applicant: KOMATSU LTD.
    Inventors: Toshiaki KUMAGAI, Ryouhei KURAMATSU, Rio KAWANA, Kensuke FUJII, Motoki KOYAMA
  • Publication number: 20240167247
    Abstract: A hydraulic excavator includes a vehicular body, a boom bottom pin supported by the vehicular body, a boom rotatably coupled to the vehicular body by the boom bottom pin, a boom top pin attached to a tip end of the boom, an arm rotatably coupled to the boom by the boom top pin, an arm top pin attached to a tip end of the arm, and a bucket rotatably coupled to the arm by the arm top pin. The computing device calculates a weight of a load conveyed by a work implement based on any two equilibrium equations of an equation of moment equilibrium around the boom bottom pin, an equation of moment equilibrium around the boom top pin, and an equation of moment equilibrium around the arm top pin.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 23, 2024
    Applicant: KOMATSU LTD.
    Inventors: Minoru SHIMIZU, Shota YAMAWAKI, Motoki KOYAMA
  • Publication number: 20230212839
    Abstract: A first payload computation value which represents a weight of loads loaded on the work implement in a first attitude is obtained. The first attitude and a second attitude are equal to each other in ratio between a horizontal distance from a position of a center of gravity of a first link member to a base end of the first link member and a horizontal distance from a position of the center of gravity of the loads loaded on the work implement to the base end. A second payload computation value which represents a weight of loads loaded on the work implement in the second attitude is obtained. When the first payload computation value and the second payload computation value are determined as being different from each other, a weight of a second link member is changed and processing above is repeated.
    Type: Application
    Filed: January 24, 2022
    Publication date: July 6, 2023
    Applicant: KOMATSU LTD.
    Inventors: Kensuke FUJII, Toshiaki KUMAGAI, Motoki KOYAMA
  • Patent number: 8007722
    Abstract: An analyzer comprising: a reagent suction unit for suctioning reagent from a reagent container; an analyzing unit for analyzing an analyzing specimen comprising a sample and the reagent; a container raising and lowering unit comprising a mounting platform, wherein the container raising and lowering unit is configured to raise and lower the mounting platform; and a container holder configured to hold a plurality of reagent containers, wherein the container holder comprises a reagent container holding portion; wherein the mounting platform is configured to move a reagent container mounted thereon from a first position to a plurality of second positions, wherein the plurality of second positions comprises a position at which the reagent container is in contact with the reagent container holding portion is disclosed.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: August 30, 2011
    Assignee: Sysmex Corporation
    Inventors: Kazunori Mototsu, Tomoyuki Nishida, Toshihiro Ootani, Kazuya Fukuda, Motoki Koyama
  • Patent number: 7837940
    Abstract: An analyzer comprising: an assembly holder for holding a reagent-containing assembly comprising an opening and a lid member for opening and closing the opening; an opening-closing section for opening and closing the opening by linearly moving the lid member in a reciprocating manner to substantially horizontal directions; a reagent suctioning section for suctioning reagent by inserting a pipette into the reagent-containing assembly through the opening; and an analyzing section for analyzing an analyzing specimen comprising a sample and the reagent is disclosed. A reagent-containing assembly and reagent suctioning method are also disclosed.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: November 23, 2010
    Assignee: Sysmex Corporation
    Inventors: Kazunori Mototsu, Tomoyuki Nishida, Toshihiro Ootani, Kazuya Fukuda, Motoki Koyama
  • Patent number: 7790114
    Abstract: A reagent-containing assembly comprising: a reagent-accommodating section comprising an opening sealed by a seal member; and a seal-opening section comprising a breaking portion for breaking the seal member, and a suction hole configured to provide access to the reagent-accommodating section; wherein the reagent-accommodating section and the seal-opening section are configured for detachable engagement with each other is disclosed.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: September 7, 2010
    Assignee: Sysmex Corporation
    Inventors: Kazuya Fukuda, Toshikatsu Fukuju, Kazunori Mototsu, Motoki Koyama, Toshihiro Ootani
  • Publication number: 20080095668
    Abstract: An analyzer comprising: an assembly holder for holding a reagent-containing assembly comprising an opening and a lid member for opening and closing the opening; an opening-closing section for opening and closing the opening by linearly moving the lid member in a reciprocating manner to substantially horizontal directions; a reagent suctioning section for suctioning reagent by inserting a pipette into the reagent-containing assembly through the opening; and an analyzing section for analyzing an analyzing specimen comprising a sample and the reagent is disclosed. A reagent-containing assembly and reagent suctioning method are also disclosed.
    Type: Application
    Filed: October 10, 2007
    Publication date: April 24, 2008
    Inventors: Kazunori Mototsu, Tomoyuki Nishida, Toshihiro Ootani, Kazuya Fukuda, Motoki Koyama
  • Publication number: 20080085215
    Abstract: An analyzer comprising: a reagent suction unit for suctioning reagent from a reagent container; an analyzing unit for analyzing an analyzing specimen comprising a sample and the reagent; a container raising and lowering unit comprising a mounting platform, wherein the container raising and lowering unit is configured to raise and lower the mounting platform; and a container holder configured to hold a plurality of reagent containers, wherein the container holder comprises a reagent container holding portion; wherein the mounting platform is configured to move a reagent container mounted thereon from a first position to a plurality of second positions, wherein the plurality of second positions comprises a position at which the reagent container is in contact with the reagent container holding portion is disclosed.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 10, 2008
    Inventors: Kazunori Mototsu, Tomoyuki Nishida, Toshihiro Ootani, Kazuya Fukuda, Motoki Koyama
  • Publication number: 20080085222
    Abstract: A reagent-containing assembly comprising: a reagent-accommodating section comprising an opening sealed by a seal member; and a seal-opening section comprising a breaking portion for breaking the seal member, and a suction hole configured to provide access to the reagent-accommodating section; wherein the reagent-accommodating section and the seal-opening section are configured for detachable engagement with each other is disclosed.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 10, 2008
    Inventors: Kazuya Fukuda, Toshikatsu Fukuju, Kazunori Mototsu, Motoki Koyama, Toshihiro Ootani
  • Publication number: 20040131499
    Abstract: An automatic analytical instrument comprising a plurality of specimen tubes to store specimens, a plurality of storage tubes to store a part of the specimens contained in the specimen tubes by dispensing, a first dispensing unit to dispense the specimens contained in the specimen tubes into the storage tubes, a first turning table to hold a plurality of the storage tubes and transfer them by revolution, a plurality of analytical tubes to store a part of the specimens contained in the storage tubes by dispensing, a second dispensing unit to dispense the specimens contained in the storage tubes into the analytical tubes, a second turning table to hold a plurality of the analytical tubes and transfer them by revolution, an analytical unit to analyze the specimens contained in the analytical tubes, a transfer unit to transfer the analytical tubes held in the second turning table to the analytical unit, an delivering unit to deliver the analytical tubes after analysis is completed, a tube supply unit to supply the
    Type: Application
    Filed: December 22, 2003
    Publication date: July 8, 2004
    Applicants: Sysmex Corporation, Ryusyo Industrial Co., Ltd.
    Inventors: Satoru Okada, Tadahiro Takami, Motoki Koyama, Katsushi Yano, Koichi Miyake
  • Patent number: 6709634
    Abstract: An automatic analytical instrument comprising a plurality of specimen tubes to store specimens, a plurality of storage tubes to store a part of the specimens contained in the specimen tubes by dispensing, a first dispensing unit to dispense the specimens contained in the specimen tubes into the storage tubes, a first turning table to hold a plurality of the storage tubes and transfer them by revolution, a plurality of analytical tubes to store a part of the specimens contained in the storage tubes by dispensing, a second dispensing unit to dispense the specimens contained in the storage tubes into the analytical tubes, a second turning table to hold a plurality of the analytical tubes and transfer them by revolution, an analytical unit to analyze the specimens contained in the analytical tubes, a transfer unit to transfer the analytical tubes held in the second turning table to the analytical unit, an delivering unit to deliver the analytical tubes after analysis is completed, a tube supply unit to supply the
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: March 23, 2004
    Assignees: Sysmex Corporation, Ryusyo Industrial Co., Ltd.
    Inventors: Satoru Okada, Tadahiro Takami, Motoki Koyama, Katsushi Yano, Koichi Miyake