Patents by Inventor Akira Mizutani

Akira Mizutani 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: 20240149458
    Abstract: A robot remote operation control device includes, in robot remote operation control for an operator to remotely operate a robot capable of gripping an object, an information acquisition unit that acquires operator state information on a state of the operator who operates the robot, an intention estimation unit that estimates a motion intention of the operator who causes the robot to perform a motion, on the basis of the operator state information, and a gripping method determination unit that determines a gripping method for the object on the basis of the estimated motion intention of the operator.
    Type: Application
    Filed: March 16, 2022
    Publication date: May 9, 2024
    Inventors: Tomoki Watabe, Akira Mizutani, Takeshi Chiku, Yili Dong, Tomohiro Chaki, Nanami Tsukamoto, Naoki Hosomi, Anirudh reddy Kondapally, Takahide Yoshiike, Christian Goerick, Dirk Ruiken, Bram Bolder, Mathias Franzius, Simon Manschitz
  • Publication number: 20240136193
    Abstract: A method of processing a wafer includes a plasma activation processing step of performing plasma processing on at least either one surface of a first wafer or one surface of a second wafer to activate the surface, a bonded wafer forming step of forming a bonded wafer by provisionally joining the first wafer and the second wafer, a modified layer forming step of forming modified layers in an annular pattern inside the first wafer by applying a laser beam of a wavelength having transmissivity for the first wafer, an outer peripheral region removal step of removing an outer peripheral region of the first wafer by applying an external force, an anneal processing step of performing anneal processing to increase joint strength of the bonded wafer, and a grinding step of grinding the first wafer to thin it to a finish thickness.
    Type: Application
    Filed: October 2, 2023
    Publication date: April 25, 2024
    Inventors: Kai MINAMIZAKI, Shunsuke TERANISHI, Akira MIZUTANI
  • Publication number: 20240082960
    Abstract: A wafer processing method includes emitting a laser beam along an annular line that is a predetermined distance inward of the outer circumferential edge of the first wafer to form, in the first wafer, an annular first modified layer and a first crack extending from the first modified layer to make an appearance on the front surface, thereby causing the first wafer to become warped at an outer circumferential region thereof that lies closer to the outer circumferential edge than does the first modified layer and the first crack; bonding the front surface of the first wafer to a second wafer to form a bonded wafer stack; and grinding a rear surface of the first wafer of the bonded wafer stack to thin the first wafer to a finish thickness.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 14, 2024
    Inventors: Satoshi KOBAYASHI, Kai MINAMIZAKI, Akira MIZUTANI
  • Publication number: 20240066678
    Abstract: A power tool includes a motor, a spindle, an inner housing, an outer housing formed by an upper member and a lower member, a pair of interposing members and a pair of elastic members. The interposing members are arranged leftward and rightward of the inner housing, respectively, and fixedly connected to a first member, which is one of the upper member and the lower member, and at least partially in contact with an inner surface of the first member. The elastic members are held between a left portion of the inner housing and one of the interposing members and between a right portion of the inner housing and the other of the interposing members, respectively. A first end portion of each of the interposing members has at least one first surface extending to be closer to the inner housing toward a tip end of the first end portion.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: MAKITA CORPORATION
    Inventors: Takafumi KOTSUJI, Shin NAKAMURA, Akira MIZUTANI, Masatoshi NAKAHAMA, Yoshihiro OZEKI
  • Patent number: 11866601
    Abstract: An ink set includes an ink composition and a treatment liquid composition. Each of the ink composition and the treatment liquid composition is used for printing by being applied onto a printing medium by an ink jet method. The ink composition is a water-based composition containing a coloring material and a surfactant. The treatment liquid composition is a water-based composition containing a flocculant and a surfactant. Any one of the ink composition and the treatment liquid composition contains a nitrogen-containing solvent. Each of the surfactant contained in the ink composition and the surfactant contained in the treatment liquid composition includes a silicone surfactant whose 0.1 mass % aqueous solution has a surface tension of 32 mN/m or less. Any one of the surfactant contained in the ink composition and the surfactant contained in the treatment liquid composition includes a silicone surfactant whose 0.1 mass % solution in a nitrogen-containing solvent has a surface tension of 32 mN/m or less.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 9, 2024
    Inventors: Yuta Asakawa, Mitsuaki Kosaka, Akira Mizutani, Akiko Matsuzaki
  • Patent number: 11850720
    Abstract: A power tool includes a motor, a spindle, an inner housing, an outer housing formed by an upper member and a lower member, a pair of interposing members and a pair of elastic members. The interposing members are arranged leftward and rightward of the inner housing, respectively, and fixedly connected to a first member, which is one of the upper member and the lower member, and at least partially in contact with an inner surface of the first member. The elastic members are held between a left portion of the inner housing and one of the interposing members and between a right portion of the inner housing and the other of the interposing members, respectively. A first end portion of each of the interposing members has at least one first surface extending to be closer to the inner housing toward a tip end of the first end portion.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: December 26, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Takafumi Kotsuji, Shin Nakamura, Akira Mizutani, Masatoshi Nakahama, Yoshihiro Ozeki
  • Publication number: 20230377916
    Abstract: A machine learning method includes acquiring image data generated from reflected light of illumination light radiated to a first region of a semiconductor film on a substrate, the first region annealed by pulse laser light, acquiring data on a measured semiconductor property of the first region, generating training data including the image data as input and the measured data as output associated with each other, and performing machine learning using a neural network based on the training data to generate a learned model.
    Type: Application
    Filed: July 13, 2023
    Publication date: November 23, 2023
    Applicants: Kyushu University, National University Corporation, Gigaphoton Inc.
    Inventors: Hiroshi IKENOUE, Akira MIZUTANI
  • Publication number: 20230256581
    Abstract: A work tool includes: a motor; a housing; an operation member extending in a longitudinal direction of the tool along the housing, configured to be pivotal about a pivotal axis by being subjected to a grip operation by a user, and exposed outside the housing on both first and second sides with respect to the pivotal axis; and a switch configured to detect that the operation member is moved to a first startup position in a first direction and to detect that the operation member is moved to a second startup position in a second direction opposite the first. The work tool is configured so that the motor is driven in a case where the pivotal movement to the first startup position is detected by the switch, and that the motor is driven in a case where the pivotal movement to the second startup position is detected by the switch.
    Type: Application
    Filed: April 15, 2021
    Publication date: August 17, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Akira MIZUTANI, Masatoshi NAKAHAMA, Daiki IMAIDA
  • Publication number: 20230234231
    Abstract: A teleoperation assist device includes: a motion acquiring unit configured to acquire information on a motion of an operator who operates an end effector; an intention estimating unit configured to estimate a target object which is a target operated by the end effector and a task which is an operation method of the target object using the information acquired by the motion acquiring unit; an environmental status determining unit configured to acquire environment information of an environment in which the end effector is operated; a parameter setting unit configured to acquire information from the intention estimating unit and the environmental status determining unit and to set parameters of an operation type of the end effector from the acquired information; and an end effector operation determining unit configured to determine an amount of operation of the end effector on the basis of taxonomy which is the set parameters and the information acquired by the motion acquiring unit.
    Type: Application
    Filed: December 14, 2022
    Publication date: July 27, 2023
    Inventors: Yili Dong, Akira Mizutani, Tomohiro Chaki, Tomoki Watabe
  • Publication number: 20230226698
    Abstract: A robot teleoperation control device includes a first acquisition unit that acquires operator state information of a state of an operator who operates a robot, an intention estimation unit that estimates an intention of the operator to cause the robot to perform a motion on the basis of the operator state information, a second acquisition unit that acquires at least one of geometric information and dynamic information of the object, an operation method determination unit that determines a method of operating the object based on the estimated motion intention of the operator, and a control amount determination unit that determines a method of operating the robot and force during operation from the information acquired by the second acquisition unit and information determined by the operation method determination unit and reflects the result in a control instruction.
    Type: Application
    Filed: December 13, 2022
    Publication date: July 20, 2023
    Inventors: Tomohiro Chaki, Tomoki Watabe, Yili Dong, Akira Mizutani, Anirudh reddy Kondapally
  • Patent number: 11654685
    Abstract: A maintenance method for an ink jet recording apparatus that performs recording using an ink composition and a treatment liquid containing a coagulant, wherein the ink jet recording apparatus has an ink jet head for ejecting the ink composition, the method includes a wiping step of wiping a nozzle-forming surface of the ink jet head with a maintenance liquid and an absorbent wiping member, and the maintenance liquid contains water that constitutes 80% or more by mass of a total mass of the maintenance liquid.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: May 23, 2023
    Inventors: Akira Mizutani, Yuta Asakawa
  • Publication number: 20230150085
    Abstract: A tool includes a first accessory, a second accessory, a first attachment portion configured to allow the first accessory to be detachably attached thereto, a second attachment portion configured to allow the second accessory to be detachably attached thereto, a first intermediate member configured to be displaced from a first non-attachment position to a first attachment position by the attachment of the first accessory to the first attachment portion, a second intermediate member configured to be displaced from a second non-attachment position to a second attachment position by the attachment of the second accessory to the second attachment portion, and a single sensor configured to detect a specific state in which the first intermediate member is located at the first attachment position and the second intermediate member is located at the second attachment position.
    Type: Application
    Filed: April 8, 2021
    Publication date: May 18, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Akira MIZUTANI, Junya ISHIKAWA, Daiki IMAIDA
  • Publication number: 20230079761
    Abstract: An electric power tool. The electric power tool may include: a motor; a control device configured to control the motor; a power transmission mechanism connected to the motor; a housing that houses the motor, the control device and the power transmission mechanism; an end tool holder connected to the power transmission mechanism; an accessory configured to be detachably attached to the housing; and a detector configured to detect whether the accessory is attached or not. The detector may include: a link member configured to move with respect to the housing according to the accessory being attached or detached; a magnet fixed in position with respect to one of the link member and the housing; and a magnetic sensor fixed in position with respect to another of the link member and the housing.
    Type: Application
    Filed: December 16, 2020
    Publication date: March 16, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Akira MIZUTANI, Ryosuke OTANI, Fumiyoshi SAITO
  • Patent number: 11577538
    Abstract: An ink jet recording method includes a treatment liquid attachment step, in which a treatment liquid is attached to a recording medium, and an ink attachment step, in which a water-based ink composition is attached to the recording medium. An ink jet recording apparatus includes a recording medium support and a heating mechanism that heats the recording medium support. The ink attachment step is carried out with the recording medium supported and heated by the recording medium support. In the ink attachment step, the recording medium is heated so that a surface thereof reaches a maximum temperature of 28.0° C. or more and 45.0° C. or less. The ratio between absorbances A and B (A/B) is 0.5 or more and 0.95 or less, where absorbance A is that of a 0.1% by mass mixture of the water-based ink composition in the treatment liquid, and absorbance B is that of a 0.1% by mass mixture of the water-based ink composition in purified water.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: February 14, 2023
    Inventors: Yuta Asakawa, Akira Mizutani
  • Publication number: 20230011055
    Abstract: The disclosure discloses an electric power tool. The electric power tool may include a motor, a power transmission mechanism connected to the motor, a housing that houses the motor and the power transmission mechanism, an end tool holder to which an end tool is configured to be attached and from which the end tool is configured to be detached, and connected to the power transmission mechanism, and a handle attached to the housing. The electric power tool may be configured to prohibit rotation of the motor when a user is not gripping the handle.
    Type: Application
    Filed: August 6, 2020
    Publication date: January 12, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Hiroki KANEKO, Akira MIZUTANI, Ryosuke OTANI, Shunpei YAMAJI, Junya ISHIKAWA, Fumiyoshi SAITO
  • Patent number: 11485871
    Abstract: A printing method for printing a printing medium includes a non-white ink application step of applying an aqueous non-white ink composition containing a non-white coloring material onto the printing medium, and a white ink application step of applying an aqueous white ink composition containing a white coloring material onto the non-white ink composition on the printing medium to form a superimposed region. The non-white ink composition and the white ink composition each have an organic solvent content limited to 15% or less relative to the total mass of the corresponding ink composition. The mass ratio of the white ink composition to the non-white ink composition in the superimposed region is 1.5 or more in a portion to which the non-white ink composition is applied in an amount largest in the superimposed region.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: November 1, 2022
    Inventors: Yuta Asakawa, Akira Mizutani, Akiko Matsuzaki
  • Patent number: 11478915
    Abstract: A work tool includes a housing, a spindle, a clamp shaft, a biasing member, an operation member, a motion-converting mechanism and a pushing-down member. The spindle is supported to be rotatable around a driving axis. The clamp shaft is movable in the up-down direction relative to the spindle. The biasing member is configured to bias the clamp shaft upward relative to the spindle so as to apply to the clamp shaft a clamping force for clamping a tool accessory between a head part of the clamp shaft and a lower end portion of the spindle. The motion-converting mechanism is configured to move the pushing-down member in the up-down direction along with turning of the operation member around the driving axis. The pushing-down member is configured to be moved downward so as to push the tool accessory downward when the operation member is turned in a first direction.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: October 25, 2022
    Assignee: MAKITA CORPORATION
    Inventors: Hiroki Ikuta, Akira Mizutani
  • Patent number: 11466173
    Abstract: A printing method for printing a printing medium whose printed side will be laminated after being printed. The printing method includes a non-white ink application step of applying an aqueous non-white ink composition containing a non-white coloring material onto the printing medium, a white ink application step of applying an aqueous white ink composition containing a white coloring material onto the non-white ink composition on the printing medium, and a clear ink application step of applying a clear ink composition containing a resin onto the white ink composition on the printing medium.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: October 11, 2022
    Inventors: Yuta Asakawa, Akira Mizutani, Akiko Matsuzaki
  • Patent number: 11400578
    Abstract: A work tool includes a spindle, a clamp shaft and at least one biasing part. The spindle is configured to be reciprocally rotated within a specified angle range around a driving axis. The spindle has a first inclined face inclined in a direction crossing the driving axis. The clamp shaft includes a shaft part and a head part. The shaft part is configured to be coaxially inserted into the spindle. The head part is formed on a lower end portion of the shaft part and configured to clamp the tool accessory in cooperation with the spindle while a second inclined face of the tool accessory is pressed against the first inclined face. The at least one biasing part is provided in the spindle and configured to always bias the tool accessory downward while the tool accessory is clamped by the head part and the spindle.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: August 2, 2022
    Assignee: MAKITA CORPORATION
    Inventors: Masanori Furusawa, Akira Mizutani
  • Patent number: D990266
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: June 27, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Kazunori Hattori, Akira Mizutani