Patents by Inventor Koji Kawamura

Koji Kawamura 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).

  • Patent number: 11370378
    Abstract: A steering wheel airbag, arranged to cover a steering wheel when inflation is completed, includes: a front-collision receiving surface which is arranged on a side of a driver when inflation is completed, so as to receive the driver moving forward during a head-on collision of a vehicle, the front-collision receiving surface being arranged substantially along a vertical direction to be tilted with respect to a ring surface of the steering wheel when inflation is completed; and arm restraining parts which are arranged near arms of the driver steering a ring part of the steering wheel on both right and left sides of the front-collision receiving surface when inflation is completed, the arm restraining parts coming into contact with the arms during an oblique collision or an offset collision of the vehicle, so as to prevent a movement of the driver to an obliquely front side.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: June 28, 2022
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Masashi Hotta, Koji Kawamura, Yuji Sato
  • Publication number: 20220194313
    Abstract: An airbag apparatus is configured to be used for a vehicle seat including an accommodation portion. The airbag apparatus includes an airbag. The airbag is configured such that a portion of the airbag ejected from the accommodation portion to the position beside the headrest is deployed and inflated in a position rearward of the seat back, and is inflated and deployed away from the accommodation portion in the width direction in a position rearward of the headrest, and that another portion of the airbag ejected from the accommodation portion to the position beside the headrest is deployed and inflated in a position forward of the seat back, and is deployed and inflated in a position forward of a head of an occupant seated in the vehicle seat and away from the accommodation portion in the width direction, so as to wrap around the head.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 23, 2022
    Inventors: Shuji YAMAMOTO, Koji KAWAMURA, Motoyuki TANAKA, Toshihito YANAGISAWA, Yusuke KOJIMA, Yusuke KAWAMURA, Yuto HIRAIWA, Yuya SUZUKI
  • Patent number: 11358561
    Abstract: An airbag for an airbag device includes an outer bag and an inner bag inflatable inside the outer bag. The outer bag includes a driver-side wall for receiving the driver and a vehicle-side wall that is supported by a ring surface of a ring portion of the steering wheel at airbag deployment, and includes an inlet port of inflation gas and a mounting portion on the steering wheel. The inner bag includes a supply port for supplying the gas to the outer bag. The inner bag completes inflation prior to the outer bag, and the outer bag is inflated with the gas supplied from the supply port. The inner bag as inflated has such a shape that the rear portion protrudes farther rearward than a rear end of the ring surface, and that a height from the ring surface is greater in the rear portion than in the front portion.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: June 14, 2022
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Tsutomu Ishii, Koji Kawamura
  • Patent number: 11350005
    Abstract: An image forming unit forms an image on a sheet. The sheet is conveyed through a conveyance path after the image has been formed on the sheet. A reading unit reads the image formed on the sheet in the conveyance path. A conveyance guide constitutes a portion of the conveyance path and guides the sheet. A pressing unit presses the reading unit against the sheet. A connection unit connects the reading unit and the conveyance guide such that the reading unit and the conveyance guide move in an interlocked manner.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: May 31, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junichi Ochi, Yohei Suzuki, Miho Kaiga, Koji Kawamura, Shinkichi Yamamoto
  • Patent number: 11290051
    Abstract: A motor control apparatus includes a motor, a motor driver to drive the motor, a motor current detection unit, a motor state estimation unit, a motor control unit, and first and second abnormality detection units. The motor current detection unit detects a current value of the motor. The motor state estimation unit estimates a state of the motor based on a voltage applied to the motor and the detected current value. The motor control unit applies a driving voltage of first driving corresponding to the estimated state of the motor or apply a driving voltage of second driving, which does not use the estimated motor state, to the motor driver. The first abnormality detection unit detects a rotation abnormality of the motor based on the estimated motor state. The second abnormality detection unit detects the rotation abnormality of the motor based on the detected current value of the motor.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: March 29, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinji Nakamura, Koji Kawamura, Satoru Mikajiri
  • Patent number: 11260817
    Abstract: An airbag device includes a steering wheel a rim portion of which has a longer length in a left and right direction than in a front and back direction, and an airbag mounted on a boss section of the steering wheel. An outer shell of the airbag includes a vehicle-side wall that is configured to be supported by an upper surface of the rim portion when deployed, and a driver-side wall a central region of which is configured to deploy generally vertically for receiving the driver. The airbag as deployed includes, in a rear portion of the vehicle-side wall, a locking inflatable portion that protrudes downward from a vicinity of the upper surface of the rim portion of the steering wheel to be locked by a rear surface of the rim portion and prevent a front portion of the airbag from slipping forward.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: March 1, 2022
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Hitomi Takahashi, Koji Kawamura, Masashi Hotta, Tsutomu Ishii, Wataru Miura
  • Patent number: 11254275
    Abstract: An airbag device for a driver's seat adapted to be mounted on a boss of a steering wheel disposed at a center of a rim is disclosed. The airbag device includes an inflatable airbag folded in the form of an airbag package. The airbag includes a vehicle-side wall that includes a gas inlet port and is configured to be supported by the rim when deployed, and a driver-side wall. The airbag, before folded into the airbag package, has a flat initial folded form in which the driver-side wall lies over the vehicle-side wall. The initial folded form includes a folded-in portion in which a front edge portion of the vehicle-side wall is folded inwardly and rearwardly beneath a front edge portion of the driver-side wall, and a folded-back portion in which the front edge portion of the driver-side wall which adjoins the folded-in portion is folded towards the inlet port on the vehicle-side wall.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: February 22, 2022
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Tsutomu Ishii, Koji Kawamura, Hitoshi Iida
  • Patent number: 11203321
    Abstract: An occupant protection device for protecting an occupant sitting in a front seat of a vehicle. The occupant protection device includes a front airbag device that is adapted to be mounted in front of the front seat and a roof airbag device that is adapted to be mounted on a roof of the vehicle. The front airbag device includes a front airbag that is inflatable and deployable for protecting an upper body of the occupant when an impact is applied to the vehicle from forward. The roof airbag includes a roof airbag that is inflatable and deployable downwardly between the front airbag and the front seat for protecting a head of the occupant when an impact is applied to the vehicle from forward.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: December 21, 2021
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Motoyuki Tanaka, Masashi Hotta, Koji Kawamura, Yuji Sato, Hajime Kitte, Kenichi Fukurono
  • Publication number: 20210300454
    Abstract: A steering wheel includes an annular rim portion, a boss section, one or more spokes interconnecting the rim portion and boss section, and a core member interconnecting these portions, the core member including a wheel portion disposed in the rim portion. The steering wheel further includes a cladding layer disposed around the wheel portion, a skin layer disposed on a front surface of the rim portion, and a sensor layer disposed between the cladding layer and the skin layer for detecting the driver's grip. The sensor layer includes a sheet-shaped substrate having stretch properties, a sensor composed of a conductive ink having stretch properties and applied to a front surface of the substrate, and an insulation sheet covering the sensor and having stretch properties. The sensor layer is generally formed into an annular band and mounted on an outer circumferential portion of the cladding layer by being stretched and expanded.
    Type: Application
    Filed: February 16, 2021
    Publication date: September 30, 2021
    Inventors: Masashi HOTTA, Koji KAWAMURA, Wataru MIURA, Norio UMEMURA, Masaaki OKUHARA
  • Publication number: 20210300290
    Abstract: An airbag for an airbag device includes an outer bag and an inner bag inflatable inside the outer bag. The outer bag includes a driver-side wall for receiving the driver and a vehicle-side wall that is supported by a ring surface of a ring portion of the steering wheel at airbag deployment, and includes an inlet port of inflation gas and a mounting portion on the steering wheel. The inner bag includes a supply port for supplying the gas to the outer bag. The inner bag completes inflation prior to the outer bag, and the outer bag is inflated with the gas supplied from the supply port. The inner bag as inflated has such a shape that the rear portion protrudes farther rearward than a rear end of the ring surface, and that a height from the ring surface is greater in the rear portion than in the front portion.
    Type: Application
    Filed: March 22, 2021
    Publication date: September 30, 2021
    Inventors: Tsutomu ISHII, Koji KAWAMURA
  • Publication number: 20210265170
    Abstract: A substrate processing method performed in a chamber of a substrate processing apparatus is provided. The chamber includes a substrate support, an upper electrode, and a gas supply port. The substrate processing method includes (a) providing the substrate on the substrate support; (b) supplying a first processing gas into the chamber; (c) continuously supplying an RF signal into the chamber while continuously supplying a negative DC voltage to the upper electrode, to generate plasma from the first processing gas in the chamber; and (d) supplying a pulsed RF signal while continuously supplying the negative DC voltage to the upper electrode, to generate plasma from the first processing gas in the chamber. The process further includes repeating alternately repeating the steps (c) and (d), and a time for performing the step (c) once is 30 second or shorter.
    Type: Application
    Filed: February 19, 2021
    Publication date: August 26, 2021
    Applicant: Tokyo Electron Limited
    Inventors: Seiichi WATANABE, Kazuki NARISHIGE, Xinhe Jerry LIM, Jianfeng XU, Yi Hao NG, Zhenkang Max LIANG, Yujun Nicholas LOO, Chiew Wah YAP, Bin ZHAO, Chai Jin CHUA, Takehito WATANABE, Koji KAWAMURA, Kenji KOMATSU, Li JIN, Wee Teck TAN, Dali LIU
  • Publication number: 20210265145
    Abstract: A plasma processing apparatus having a processing container and an electrode includes: a preprocessing part configured to perform a preprocessing of igniting plasma to increase a temperature of members within the processing container; a power application part configured to apply a radio frequency (RF) power to the electrode without igniting plasma after the preprocessing is performed; a measuring part configured to measure a physical quantity related to the RF power applied by the power application part; and a determination part configured to determine whether or not the temperature of the members within the processing container is saturated based on the physical quantity related to the RF power measured by the measuring part.
    Type: Application
    Filed: February 17, 2021
    Publication date: August 26, 2021
    Inventor: Koji KAWAMURA
  • Patent number: 11097683
    Abstract: An airbag includes a mounting portion, a top wall deployable towards a vehicle occupant, and a circumferential wall disposed between the mounting portion and top wall. An airbag base member for forming the airbag includes a top-forming panel for forming the top wall, and at least three circumferential panels that extend generally radially from the top-forming panel and form the circumferential wall by being joined together by adjoining edges thereof. Each of the circumferential panels is formed into a generally band-like contour which has a first and a second curving edges that make the circumferential panel enlarge in width from the leading end towards an intermediate portion and then narrow towards the top-forming panel. When the airbag base member is laid flat, adjoining edges of any two adjoining circumferential panels are generally symmetrical to each other in curving shape with respect to a line disposed there between.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: August 24, 2021
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Tsutomu Ishii, Masashi Hotta, Koji Kawamura, Yuji Sato
  • Patent number: 11095173
    Abstract: A stator core of a rotary electric machine includes: an outer core that is an annular back yoke portion; and an inner core in which a plurality of teeth are radially arranged and inner side end portions of the teeth adjacent to each other in a circumferential direction are connected to each other in the circumferential direction by connection portions and which is fitted to an inner side of the outer core, each connection portion has a hole penetrating in an axial direction, each connection portion is split into a plurality of sections by the hole, a width in a radial direction of the one connection portion at a portion of the connection portion that has a smallest width in the radial direction is equal to or greater than ¼ and less than ½ of a sheet thickness of each of sheets.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: August 17, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Koji Kawamura, Akira Hashimoto, Hiroyuki Akita, Sachiko Kawasaki, Naohiro Motoishi, Takatoshi Masuda
  • Publication number: 20210179002
    Abstract: A steering wheel airbag, arranged to cover a steering wheel when inflation is completed, includes: a front-collision receiving surface which is arranged on a side of a driver when inflation is completed, so as to receive the driver moving forward during a head-on collision of a vehicle, the front-collision receiving surface being arranged substantially along a vertical direction to be tilted with respect to a ring surface of the steering wheel when inflation is completed; and arm restraining parts which are arranged near arms of the driver steering a ring part of the steering wheel on both right and left sides of the front-collision receiving surface when inflation is completed, the arm restraining parts coming into contact with the arms during an oblique collision or an offset collision of the vehicle, so as to prevent a movement of the driver to an obliquely front side.
    Type: Application
    Filed: February 24, 2021
    Publication date: June 17, 2021
    Inventors: Masashi HOTTA, Koji KAWAMURA, Yuji SATO
  • Publication number: 20210166916
    Abstract: A plasma processing apparatus 100 is equipped with a shower head 16 and a placing table 2 facing each other. A first RF power supply 10a is configured to apply a RF power to any one of the shower head 16 or the placing table 2 without igniting plasma. A measuring device 204 is configured to measure a physical quantity of the RF power applied by the first RF power supply 10a. A process controller 91 is configured to acquire an inter-electrode distance by using the measured physical quantity of the RF power in a correlation function of the inter-electrode distance and the physical quantity of the RF power.
    Type: Application
    Filed: December 1, 2020
    Publication date: June 3, 2021
    Inventor: Koji Kawamura
  • Publication number: 20210159842
    Abstract: A motor control apparatus includes a motor, a motor driver to drive the motor, a motor current detection unit, a motor state estimation unit, a motor control unit, and first and second abnormality detection units. The motor current detection unit detects a current value of the motor. The motor state estimation unit estimates a state of the motor based on a voltage applied to the motor and the detected current value. The motor control unit applies a driving voltage of first driving corresponding to the estimated state of the motor or apply a driving voltage of second driving, which does not use the estimated motor state, to the motor driver. The first abnormality detection unit detects a rotation abnormality of the motor based on the estimated motor state. The second abnormality detection unit detects the rotation abnormality of the motor based on the detected current value of the motor.
    Type: Application
    Filed: November 19, 2020
    Publication date: May 27, 2021
    Inventors: Shinji Nakamura, Koji Kawamura, Satoru Mikajiri
  • Publication number: 20210099594
    Abstract: An image forming unit forms an image on a sheet. The sheet is conveyed through a conveyance path after the image has been formed on the sheet. A reading unit reads the image formed on the sheet in the conveyance path. A conveyance guide constitutes a portion of the conveyance path and guides the sheet. A pressing unit presses the reading unit against the sheet. A connection unit connects the reading unit and the conveyance guide such that the reading unit and the conveyance guide move in an interlocked manner.
    Type: Application
    Filed: September 24, 2020
    Publication date: April 1, 2021
    Inventors: Junichi Ochi, Yohei Suzuki, Miho Kaiga, Koji Kawamura, Shinkichi Yamamoto
  • Publication number: 20210094498
    Abstract: An airbag device includes a steering wheel a rim portion of which has a longer length in a left and right direction than in a front and back direction, and an airbag mounted on a boss section of the steering wheel. An outer shell of the airbag includes a vehicle-side wall that is configured to be supported by an upper surface of the rim portion when deployed, and a driver-side wall a central region of which is configured to deploy generally vertically for receiving the driver. The airbag as deployed includes, in a rear portion of the vehicle-side wall, a locking inflatable portion that protrudes downward from a vicinity of the upper surface of the rim portion of the steering wheel to be locked by a rear surface of the rim portion and prevent a front portion of the airbag from slipping forward.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 1, 2021
    Inventors: Hitomi TAKAHASHI, Koji KAWAMURA, Masashi HOTTA, Tsutomu ISHII, Wataru MIURA
  • Patent number: 10919483
    Abstract: An airbag for steering wheel is configured to inflate so as to cover an upper surface side of a ring part of a steering wheel. Outer peripheral edges of a vehicle body-side wall part and a driver-side wall part are joined such that the airbag is formed to have a bag shape, and an inlet opening is arranged at a vicinity of a center of the vehicle body-side wall part. The vehicle body-side wall part is formed with a concave part to be concave upward toward the driver-side wall part upon completion of the inflation so that a rear part-side region of the ring part can be entered into the concave part, and the concave part is arranged at the vehicle body-side wall part so that the ring part is entered into the concave part when a driver is received by the airbag upon completion of the inflation.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 16, 2021
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Masashi Hotta, Koji Kawamura