Patents by Inventor Masahiro Watanabe

Masahiro Watanabe 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).

  • SHAPE MEASUREMENT SYSTEM, PROBE TIP UNIT, AND SHAPE MEASUREMENT METHOD
    Publication number: 20210293524
    Abstract: Provided is a shape measurement system in order to perform three-dimensional measurement corresponding to a measurement object having various shapes, which includes a measurement probe, a probe tip, and a processor. The probe tip includes an optical element that is configured to irradiate an object with measurement light and a cylindrical unit that is configured to lock the optical element. The processor is configured to calculate an optical path length from the optical element to an object based on reflected light of the measurement light with which the object is irradiated; and calculate a three-dimensional shape of the object based on the input information and the optical path length.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Applicant: HITACHI, LTD.
    Inventors: Tatsuo HARIYAMA, Masahiro WATANABE, Atsushi TANIGUCHI, Kenji MARUNO
  • Affixation Film for Printed Wiring Board
    Publication number: 20210289615
    Abstract: An affixation film 101 for a printed wiring board includes a circuit pattern concealing layer 112, and an adhesive layer 111 put on top of the circuit pattern concealing layer 112. An opposite surface of the circuit pattern concealing layer 112 from the adhesive layer 111 has an Rku of 2.5-3.0.
    Type: Application
    Filed: July 5, 2019
    Publication date: September 16, 2021
    Applicant: Tatsuta Electric Wire & Cable Co., Ltd.
    Inventors: Sougo ISHIOKA, Masahiro WATANABE
  • Power system stability analysis device, stabilization apparatus, and method
    Patent number: 11121553
    Abstract: There is provided a power system stability analysis device that analyzes stability of a power system by obtaining measurement data from a high-accuracy measurement device and existing measuring instruments installed in the power system, the apparatus including: a system state estimation unit that estimates a system state of the power system by using measurement data from the existing measuring instruments at a plurality of points in the power system; a synchronous stability analysis unit that analyzes synchronous stability in an assumed failure by using an estimation result of the system state; and a synchronous stability analysis correction unit that corrects the synchronous stability according to a difference between the estimation result of the system state and the measurement data of the high-accuracy measurement device to improve accuracy of synchronous stability analysis of the power system.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: September 14, 2021
    Assignee: HITACHI, LTD.
    Inventors: Yuki Tsujii, Masatoshi Kumagai, Kenedward Kawakita, Masahiro Watanabe
  • D-type amino acid dehydrogenase
    Patent number: 11098288
    Abstract: An enzyme having the following characteristics (a) and (b): (a) the enzyme has an activity of reversible dehydrogenation of D-amino acids; (b) the enzyme is a hexamer of polypeptides having an amino acid sequence having 80% or greater identity to the amino acid sequence of SEQ ID NO: 2.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: August 24, 2021
    Assignees: KUREHA CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Hironaga Akita, Yuusuke Nakamichi, Masahiro Watanabe, Akinori Matsushika, Tomotake Morita
  • Power flow monitoring device for power system, power system stabilization device, and power flow monitoring method for power system
    Patent number: 11088569
    Abstract: The purpose of the present invention is to provide a power flow monitoring device for a power system, a power system stabilization device, and a power flow monitoring method for a power system, which are highly reliable and accurate.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: August 10, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Yuki Tsujii, Kenedward Kawakita, Masatoshi Kumagai, Masahiro Watanabe, Akira Kikuchi
  • FUEL CELL GAS SUPPLY AND DIFFUSION LAYER, FUEL CELL SEPARATOR AND FUEL CELL STACK
    Publication number: 20210242472
    Abstract: A fuel cell gas supply and diffusion layer includes a sheet-like porous body layer, and a plurality of gas passage grooves formed on one surface of the porous body layer in parallel and formed in a zigzag shape or a wave shape respectively. As viewed in a plan view, a first rectangular region where circumscribes one gas passage groove and a second rectangular region where circumscribes a gas passage groove adjacent to the one gas passage groove overlap along a region in contact each other. An overlapping region where the first rectangular region and the second rectangular region overlap exists at any depth position of the grooves. According to the fuel cell gas supply and diffusion layer, it is possible to increase a power generation efficiency of a fuel cell.
    Type: Application
    Filed: April 28, 2018
    Publication date: August 5, 2021
    Inventors: Hiroshi YANAI, Mitsunori NASU, Masahiro WATANABE
  • SPUTTERING TARGET, METHOD FOR MANUFACTURING SPUTTERING TARGET, AND METHOD FOR FORMING THIN FILM
    Publication number: 20210230740
    Abstract: There have been cases where transistors formed using oxide semiconductors are inferior in reliability to transistors formed using amorphous silicon. Thus, in the present invention, a semiconductor device including a highly reliable transistor formed using an oxide semiconductor is manufactured. An oxide semiconductor film is deposited by a sputtering method, using a sputtering target including an oxide semiconductor having crystallinity, and in which the direction of the c-axis of a crystal is parallel to a normal vector of the top surface of the oxide semiconductor. The target is formed by mixing raw materials so that its composition ratio can obtain a crystal structure.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei YAMAZAKI, Tetsunori MARUYAMA, Yuki IMOTO, Hitomi SATO, Masahiro WATANABE, Mitsuo MASHIYAMA, Kenichi OKAZAKI, Motoki NAKASHIMA, Takashi SHIMAZU
  • Electric power tool configured to operate in a normal mode with a specific stage, and in a measurement mode with a common stage
    Patent number: 11065754
    Abstract: An electric power tool includes a motor and a controller. The controller is configured to control the motor. Specifically, the controller is configured to operate in at least two modes: a first mode and a second mode. The first mode includes a plurality of stages having different control conditions related to the motor. The second mode includes at least a common stage having control conditions same as those for a specific stage among the plurality of stages of the first mode. The common stage of the second mode starts more quickly than the specific stage of the first mode.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: July 20, 2021
    Assignee: MAKITA CORPORATION
    Inventor: Masahiro Watanabe
  • Sputtering target, method for manufacturing sputtering target, and method for forming thin film
    Patent number: 11066739
    Abstract: There have been cases where transistors formed using oxide semiconductors are inferior in reliability to transistors formed using amorphous silicon. Thus, in the present invention, a semiconductor device including a highly reliable transistor formed using an oxide semiconductor is manufactured. An oxide semiconductor film is deposited by a sputtering method, using a sputtering target including an oxide semiconductor having crystallinity, and in which the direction of the c-axis of a crystal is parallel to a normal vector of the top surface of the oxide semiconductor. The target is formed by mixing raw materials so that its composition ratio can obtain a crystal structure.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: July 20, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Tetsunori Maruyama, Yuki Imoto, Hitomi Sato, Masahiro Watanabe, Mitsuo Mashiyama, Kenichi Okazaki, Motoki Nakashima, Takashi Shimazu
  • HEAT-SHRINKABLE FILM AND HEAT-SHRINKABLE LABEL
    Publication number: 20210214583
    Abstract: What is provided is a heat-shrinkable film and a heat-shrinkable label that, when applied to a container in which the difference between the diameter of the body portion and the diameter of the mouth portion is large, sufficiently shrink in the mouth portion and do not easily allow the generation of a wrinkle or a sink mark in the mouth portion. The heat-shrinkable film contains polyester, a dicarboxylic acid component that constitutes the polyester contains 95 mol % or more of terephthalic acid, and a diol component that constitutes the polyester contains 50 mol % or more of ethylene glycol and 15 mol % or more of cyclohexanedimethanol. The shrinkage rate in the primary shrinkage direction when the heat-shrinkable film is immersed in hot water at 70° C. for 30 seconds is 20% or less, the shrinkage rate in the primary shrinkage direction when the heat-shrinkable film is immersed in hot water at 80° C.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 15, 2021
    Inventors: Takuma KANEKO, Masahiro WATANABE, Yuichiro KANZAKA, Shuuta YUGE
  • Adhesive Film for Printed Wiring Board
    Publication number: 20210212197
    Abstract: An adhesive film for a printed wiring board includes an adhesive layer 111 and an insulating protective layer 112. The insulating protective layer has an areal material ratio (Smr2) of 91% or less, the areal material ratio (Smr2) dividing reduced valleys from a core.
    Type: Application
    Filed: July 5, 2019
    Publication date: July 8, 2021
    Inventor: Masahiro WATANABE
  • Shape measurement system, probe tip unit, and shape measurement method
    Patent number: 11054242
    Abstract: Provided is a shape measurement system in order to perform three-dimensional measurement corresponding to a measurement object having various shapes, which includes a measurement probe, a probe tip unit, and a calculation unit. The probe tip unit includes an optical element that is configured to irradiate an object with measurement light, a fixing mechanism that is configured to fix to the measurement probe so as to be detachable and replaceable, and a cylindrical unit that is configured to lock the optical element and is provided with the fixing mechanism.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: July 6, 2021
    Assignee: HITACHI, LTD.
    Inventors: Tatsuo Hariyama, Masahiro Watanabe, Atsushi Taniguchi, Kenji Maruno
  • Power system status estimation device and status estimation method
    Patent number: 11042134
    Abstract: Provided is a power system status estimation device capable of increasing the likelihood that status estimation calculations converge. Thus, a power system status estimation device 1 is equipped with: a measured value selection unit 102 for selecting a prescribed combination of measured values using which it is predicted that the power system status estimation calculations will converge, from among the measured values from each sensor provided in the power system; and a status estimation calculation unit 101 for estimating the status of the power system on the basis of the prescribed combination of measured values selected by the measured value selection unit and the system model for the power system.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: June 22, 2021
    Assignee: Hitachi, Ltd.
    Inventors: Masahiro Watanabe, Yuki Tsujii, KenEdward Kawakita, Masatoshi Kumagai
  • REBAR TYING TOOL AND ELECTRIC WORK MACHINE
    Publication number: 20210178454
    Abstract: A rebar tying tool (2; 302; 402) include a feed mechanism (24), which includes a first motor (32; 304) and feeds a wire (W), and a twisting mechanism, which includes a second motor (76; 306) and twists together one or more portions of the wire. A control unit (202; 350) controls the first motor and the second motor and includes a general-purpose I/O port (202c; 350c) and a motor-control-signal output port (202a; 350a). A motor-control-signal output-destination-switching circuit (204; 310; 406) inputs motor-control signals (UH, VH, WH, UL, VL, WL) from the control unit via the motor-control-signal output port and selectively outputs the inputted motor-control signals to either the first motor or the second motor in response to input of a switching signal (SW).
    Type: Application
    Filed: December 8, 2020
    Publication date: June 17, 2021
    Inventors: Shunta MIZUNO, Masahiro WATANABE, Yuki KAWAI
  • SUCTION GRIPPER
    Publication number: 20210122063
    Abstract: Suction gripper 14 includes fixing member 1 including hole part 7, grasping part 2 including a plurality of flexible and airtight bag parts 2a and 2b whose interiors are coupled together in the central axis direction of hole part 7 with fixing member 1 therebetween, the plurality of bag parts 2a and 2b being filled with powder 8 or particles and fluid, and hardening unit 3 configured to harden the plurality of bag parts 2a and 2b. Grasping part 2 has a configuration in which when a workpiece is pushed against any of the plurality of bag parts 2a and 2b, the contact portion with the workpiece conform to the shape of the workpiece while the other bag part expands in accordance with the deformation.
    Type: Application
    Filed: October 22, 2020
    Publication date: April 29, 2021
    Inventors: Kenjiro TADAKUMA, Masahiro WATANABE, Yu KANEDA, Ryou TOSHIMA
  • Electromagnetic Wave Shielding Film
    Publication number: 20210120709
    Abstract: An electromagnetic wave shielding film includes an insulating protective layer, and a release film covering a surface of the insulating protective layer. The release film has a transmittance of 20-80% at a wavelength of 535 nm, a tight attachment confirmability index Ia of 11 or more, the tight attachment confirmability index Ia being represented by expression 1, and a presence visibility index Iv of 11 or more, the presence visibility index Iv being represented by expression 2. Ia=(?L*12+?a*12+?b*12)0.5??(expression 1) Iv=(?L*22+?a*22+?b*22)0.
    Type: Application
    Filed: January 17, 2019
    Publication date: April 22, 2021
    Inventors: Masahiro WATANABE, Shigeki TAKESHITA
  • ASSESSMENT OF MATCHING NETWORKS
    Publication number: 20210111009
    Abstract: Systems and methods for operating a match network are disclosed. One match network comprises at least one first sensor to measure one or more first parameters and at least one second sensor to measure one or more second parameters. The match network also comprises means for assessing whether the match is operating as expected or operating outside of specifications using the one or more first-parameter measurements; the one or more second-parameter measurements; a setting of the match; or one or more expected parameter values.
    Type: Application
    Filed: December 23, 2020
    Publication date: April 15, 2021
    Inventors: Corneluis Erasmus van Greunen, Masahiro Watanabe
  • ELECTRIC WORKING MACHINE AND METHOD OF BUILDING ELECTRIC SYSTEM IN ELECTRIC WORKING MACHINE
    Publication number: 20210083543
    Abstract: An electric working machine includes a molded member, a motor, a control circuit, and an electric circuit. The molded member includes an insulating material and is molded in one piece. The control circuit is configured to control the motor. The electric circuit is coupled to the control circuit. The electric circuit includes a surface circuit that is integrally arranged on a surface of the molded member.
    Type: Application
    Filed: December 19, 2018
    Publication date: March 18, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Masahiro WATANABE, Akira NIWA
  • Detection of damage in matching networks
    Patent number: 10943770
    Abstract: Systems and methods for operating a match network are disclosed. A method includes obtaining at least one measurement-based-attribute at the first side of a match network and at least one measurement-based-attribute at a second side of the match network. A present reactance setting of the match network is obtained and a model of the match network is accessed that associates the at least one measurement-based-attribute at the first side of the match network with at least one expected-attribute at the second side of the match network based upon the present reactance setting of the match network. The at least one measurement-based-attribute at the second side of the match network is contrasted with the at least one expected-output-attribute to assess whether the match network is at least one of damaged or operating outside of specifications.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: March 9, 2021
    Assignee: ADVANCED ENERGY INDUSTRIES, INC.
    Inventors: Corneluis Erasmus van Greunen, Masahiro Watanabe
  • Electromagnetic Shielding Film and Shielded Printed Wiring Board Including the Same
    Publication number: 20210059042
    Abstract: It is an object of the present invention to provide an electromagnetic shielding film having excellent high frequency signal transmission characteristics and excellent shielding characteristics against electromagnetic waves in a high frequency region and a shielded printed wiring board including the same. An electromagnetic shielding film 1 includes a shielding layer that is formed by a first metal layer mainly comprised of nickel and a second metal layer mainly comprised of copper, an adhesive layer formed on the second metal layer side of the shielding layer, and a protective layer formed on the first metal layer side of the shielding layer which is the opposite side of the shielding layer from the second metal layer side. The first metal layer has a thickness T1 of 2 ?m or more and 10 ?m or less, and the second metal layer has a thickness T2 of 2 ?m or more and 10 ?m or less.
    Type: Application
    Filed: July 10, 2017
    Publication date: February 25, 2021
    Inventors: Sirou YAMAUCHI, Masahiro WATANABE, Hiroshi TAJIMA