Patents by Inventor Kei Watanabe

Kei 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).

  • Publication number: 20240142340
    Abstract: Provided is an optical module that accurately observes the overall intensity of visible light having a relatively short wavelength and propagating through an optical fiber, and is suitable for downsizing an optical device. An optical module provided in an optical fiber connected to an optical component capable of inputting or outputting light. The optical module includes: a case body that forms a closed space C in which a part of the optical fiber is accommodated; a fiber fixing portion that fixes the optical fiber to predetermined position and shape inside the case body; and a photodiode that is attached inside the case body at a position capable of receiving radiation light radiated from the optical fiber fixed to the fiber fixing portion.
    Type: Application
    Filed: April 7, 2021
    Publication date: May 2, 2024
    Inventors: Yuji Fujiwara, Kei Watanabe
  • Publication number: 20240132666
    Abstract: A polymer powder includes a polyamide, wherein a melting point determined in differential scanning calorimetry is 190° C. or higher, a difference between the melting point and a melting onset temperature, which is defined in differential scanning calorimetry as a lowest temperature among temperatures at each of which a first temperature differential value of Heat Flow (W/g) observed between a peak top temperature of an endothermic peak, observed when 10 mg of powder is heated at a rate of 20° C./min from 30° C. in a nitrogen atmosphere, and a temperature point of ?50° C. from the peak top, becomes ?0.2 (W/g.° C.), is less than 30° C., and a D50 particle size is 1 ?m or more and 100 ?m or less.
    Type: Application
    Filed: February 22, 2022
    Publication date: April 25, 2024
    Inventors: Hirokazu Iwata, Tomohiko Nakamura, Yota Okuno, Kei Watanabe, Mikiya Nishida, Itaru Asano
  • Patent number: 11964402
    Abstract: In a robot control system, the operation of a mobile robot that moves autonomously inside a facility is controlled based at least on an image captured by a photographing device that photographs a blind area located at a blind angle to the mobile robot. When entry of the mobile robot into a predetermined area corresponding to the blind area is detected, the amount of information obtainable from an image captured by the photographing device is increased.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: April 23, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
  • Patent number: 11960185
    Abstract: Display data of pixels is updated at different timings. A scan line is connected to a first pixel and a second pixel, a first wiring is connected to the first pixel, and a second wiring is connected to the second pixel. In a first period, a signal for selecting the first pixel and the second pixel is supplied to the scan line. Setting data for setting a state where the display data of the first pixel is updated is supplied to the first wiring, and setting data for setting a state where the display data of the second pixel is updated is supplied to the second wiring. In a second period, a signal for selecting the first pixel and the second pixel is supplied to the scan line. Setting data for setting a state where the display data of the first pixel is not updated is supplied to the first wiring, and the setting data for setting the state where the display data of the second pixel is updated is supplied to the second wiring.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: April 16, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kouhei Toyotaka, Satoshi Yoshimoto, Kazunori Watanabe, Susumu Kawashima, Kei Takahashi
  • Patent number: 11940703
    Abstract: A liquid crystal display device with a high aperture ratio is provided. The display device includes a transistor, a first insulating layer, a second insulating layer, a third insulating layer, a first conductive layer, a pixel electrode, a common electrode, and a liquid crystal layer in a pixel. The first insulating layer is positioned over a channel formation region of the transistor. The first conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the transistor, the first insulating layer, and the first conductive layer. The pixel electrode is positioned over the second insulating layer, the third insulating layer is positioned over the pixel electrode, the common electrode is positioned over the third insulating layer, and the liquid crystal layer is positioned over the common electrode. The common electrode includes a region overlapping with the first conductive layer with the pixel electrode positioned therebetween.
    Type: Grant
    Filed: May 26, 2023
    Date of Patent: March 26, 2024
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Kouhei Toyotaka, Kazunori Watanabe, Susumu Kawashima, Kei Takahashi, Koji Kusunoki, Masataka Nakada, Ami Sato
  • Publication number: 20240091998
    Abstract: Provided is an after-cure type laminated film having a low reflectance. A laminated film comprising: a transparent support substrate, an uncured hard coat layer formed on at least one surface of the transparent support substrate, and an uncured optical interference layer formed on the uncured hard coat layer, wherein the uncured hard coat layer comprises an active energy ray-curable composition for forming a hard coat layer, the uncured optical interference layer comprises an active energy ray-curable composition for forming an optical interference layer, the transparent support substrate has a thickness of 50 ?m or more and 600 ?m or less, a stretch ratio of the laminated film at 160° C. is 50% or more, and the laminated film heat-treated at a temperature of 90° C. for 30 minutes has a minimum value RAH of a reflectance taken between wavelengths of 380 nm and 780 nm of 2% or less and measured from a side of the uncured optical interference layer.
    Type: Application
    Filed: December 3, 2021
    Publication date: March 21, 2024
    Applicant: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Jumpei TAKAHASHI, Takuma OKADA, Kei TAKIGAWA, Kazuhito KOBAYASHI, Takeki HOSOKAWA, Takamitsu WATANABE
  • Patent number: 11935750
    Abstract: A method for producing a semiconductor device includes forming, on a substrate, a film to be processed. The method further includes forming, on the film to be processed, a first film containing a metallic element and a second film containing at least one of carbon or boron. The method further includes forming an insulating film on the first and second films. The method further includes processing the film to be processed using the first film, the second film, and the insulating film, as a mask.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: March 19, 2024
    Assignee: KIOXIA CORPORATION
    Inventors: Kei Watanabe, Toshiyuki Sasaki, Soichi Yamazaki, Shunsuke Ochiai, Yuya Matsubara
  • Patent number: 11926067
    Abstract: In a robot control system, the operation of a mobile robot that moves autonomously inside a facility is controlled based at least on an image captured by a photographing device that photographs a blind area located at a blind angle to the mobile robot. When entry of the mobile robot into a predetermined area corresponding to the blind area is detected, the amount of information obtainable from an image captured by the photographing device is increased.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: March 12, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
  • Publication number: 20240075603
    Abstract: A rotary hammer selectively operates in multiple modes including a first mode and a second mode. The rotary hammer includes a switch, a motor, a switch manipulation member, a locking member, and a mode detecting device. The switch manipulation member includes a body, and a protrusion that is movable between a protruding position and a retracted position. The body houses a solenoid configured to operate based on a detection result of the mode detecting device. The locking member is movable between an unlock position and a lock position where the locking member holds the switch manipulation member in an ON position by abutting the protrusion in the protruding position. The protrusion is integrated with a plunger of the solenoid. The protrusion is configured to be in the protruding position when the present mode is the first mode, and in the retracted position when the present mode is the second mode.
    Type: Application
    Filed: August 14, 2023
    Publication date: March 7, 2024
    Applicant: MAKITA CORPORATION
    Inventors: Hajime TAKEUCHI, Kei WATANABE
  • Patent number: 11919168
    Abstract: A robot control system according to the present embodiment is a robot control system that controls a plurality of transport robots that is travelable autonomously in a facility. The robot control system: acquires error information indicating that an error has occurred in a first transport robot; acquires transported object information related to a transported object of the first transport robot; determines a second transport robot able to transport the transported object of the first transport robot among the transport robots based on the transported object information and the error information; and moves the second transport robot to a transfer location of the transported object of the first transport robot.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: March 5, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tetsuya Taira, Shiro Oda, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma
  • Publication number: 20240069398
    Abstract: A display apparatus includes a data generation circuit, a source driver circuit, and a pixel. The source driver circuit is electrically connected to the pixel through first and second wirings. The pixel includes a display device that is a liquid crystal device, a potential of one electrode of the display device can be a potential of the first wiring, and a potential of the other electrode of the display device can be a potential of the second wiring. The image data generation circuit has a function of generating digital image data including first and second data. One of the first and second wirings is made to have a potential corresponding to first data, and the other of the first and second wirings is made to have a potential corresponding to the second_data. The potential of the first wiring and the potential of the second wiring are interchanged.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kei Takahashi, Susumu KAWASHIMA, Koji KUSUNOKI, Kouhei TOYOTAKA, Kazunori WATANABE
  • Patent number: 11914363
    Abstract: A mobile robot receives first transmission information transmitted from a server device to manage the mobile robot in a state where wireless communication with the server device is possible, directly executes wireless communication with another mobile robot among the mobile robots and executes a reception process of receiving the first transmission information transmitted from the server device to manage the mobile robot from the other mobile robot in a case where wireless communication with the server device is not possible.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: February 27, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
  • Patent number: 11915865
    Abstract: A movable-side magnet is provided to a movable portion in a vacuum chamber. A drive unit is provided outside the vacuum chamber, and drives the movable portion by exerting magnetic force on the movable-side magnet. The drive unit has a first magnet, a second magnet, and a moving mechanism (moving member). The first magnet exerts magnetic force of attracting the movable-side magnet. The second magnet is provided to be adjacent to the first magnet, and exerts magnetic force of repelling the movable-side magnet. The moving mechanism integrally moves the first magnet and the second magnet.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: February 27, 2024
    Assignee: SHIMADZU CORPORATION
    Inventors: Masaji Furuta, Kei Kodera, Kiyoshi Watanabe
  • Patent number: 11914397
    Abstract: A robot control system according to the present embodiment is a robot control system that controls a plurality of mobile robots that can autonomously move in a facility. The robot control system acquires error information indicating that an error has occurred in a first transport robot, acquires transported object information related to a transported object of the first transport robot, determines a second transport robot able to transport the transported object of the first transport robot among the transport robots based on the transported object information and the error information, and moves the second transport robot to a transfer location of the transported object of the first transport robot.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: February 27, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
  • Publication number: 20240001532
    Abstract: A robot includes a first arm, a second arm, and a connector that connects the first arm and the second arm to each other in such a manner as to be rotatable around a vertical axis. The connector includes a columnar-shaped columnar section extending along the vertical axis and a first cover section extending from an outer peripheral surface of the columnar section in a direction intersecting the vertical axis. The second arm includes a main body section connected to the columnar section and a second cover section attached to the first cover section to surround a space in an enclosed state. The space is faced by at least a portion of the outer peripheral surface and a surface of the main body section located toward the first arm.
    Type: Application
    Filed: February 1, 2022
    Publication date: January 4, 2024
    Applicant: FANUC CORPORATION
    Inventor: Kei WATANABE
  • Patent number: 11845169
    Abstract: An impact tool includes a motor, a driving mechanism, a tool body, an elastically-connected part elastically connected to the tool body to be movable at least in a front-rear direction relative to the tool body, a detecting mechanism configured to detect pressing of a tool accessory against a workpiece, and a control part configured to control driving of the motor based on a detection result of the detecting mechanism. The detecting mechanism includes a movable member that is provided in one of the tool body and the elastically-connected part and configured to be moved by relative movement of the other of the tool body and the elastically-connected part in the front-rear direction, and a detector that is provided in the one of the tool body and the elastically-connected part and configured to detect rearward pressing of the tool accessory by detecting movement of the movable member.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: December 19, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Masanori Furusawa, Kanako Hirono, Kei Watanabe
  • Patent number: 11845168
    Abstract: A reciprocating tool includes a motor, a driving mechanism, a body housing, a movable part, and a vibration control mechanism. The driving mechanism includes a reciprocating member configured to reciprocate in a first direction. The movable part is connected to the body housing via a first elastic member and a second elastic member to be relatively movable in the first direction. The vibration control mechanism includes at least one weight configured to move in a direction opposite to the reciprocating member. The center of gravity of the at least one weight is offset from the driving axis in a second direction. In the second direction, the first elastic member is closer to the center of gravity than the second elastic member. A load of the first elastic member when the movable part is placed in a closer position is smaller than a load of the second elastic member.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: December 19, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Hideki Tsuji, Hajime Takeuchi, Kei Watanabe, Kazuo Muramatsu, Masahiro Maegawa
  • Publication number: 20230369161
    Abstract: A semiconductor device includes a wiring layer, and a first semiconductor chip and a second semiconductor chip disposed on the wiring layer. In addition, the semiconductor device includes a heat sink disposed on a back surface side of the first semiconductor chip and a back surface side of the second semiconductor chip. The heat sink includes a material having a thermal conductivity greater than thermal conductivities of the first semiconductor chip and the second semiconductor chip, and a reinforcing rib is formed on the heat sink.
    Type: Application
    Filed: September 28, 2020
    Publication date: November 16, 2023
    Inventors: Yusuke Araki, Kei Watanabe, Yuta Shiratori
  • Patent number: 11813710
    Abstract: A dust collection system for a power tool can collect, with an ordinary bit, dust with a flexible hose connected. A dust collection system for a power tool includes a power tool to receive a tip tool protruding frontward and including a tool body, a cylindrical first dust collection attachment attachable to the tool body and covering the tip tool over its entire circumference with the first dust collection attachment being attached, a second dust collection attachment attachable to the tool body and including a dust collector, and a flexible hose to connect the first dust collection attachment and the second dust collection attachment to collect dust sucked through the first dust collection attachment into the dust collector included in the second dust collection attachment.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: November 14, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Iida, Masanori Furusawa, Kei Watanabe
  • Publication number: 20230358965
    Abstract: An optical module includes two components that are optically connected, and includes a glass layer disposed in a region including an optical connection portion between the two components, at least one component includes a thin tube through which outside air is introduced, and an end face of the thin tube is in contact with the glass layer.
    Type: Application
    Filed: August 21, 2020
    Publication date: November 9, 2023
    Inventors: Yuji Fujiwara, Nobutatsu Koshobu, Satomi Katayose, Kei Watanabe, Ryoichi Kasahara