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).
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Patent number: 11370378Abstract: 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: GrantFiled: February 24, 2021Date of Patent: June 28, 2022Assignee: TOYODA GOSEI CO., LTD.Inventors: Masashi Hotta, Koji Kawamura, Yuji Sato
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Publication number: 20220194313Abstract: 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: ApplicationFiled: November 30, 2021Publication date: June 23, 2022Inventors: Shuji YAMAMOTO, Koji KAWAMURA, Motoyuki TANAKA, Toshihito YANAGISAWA, Yusuke KOJIMA, Yusuke KAWAMURA, Yuto HIRAIWA, Yuya SUZUKI
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Patent number: 11358561Abstract: 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: GrantFiled: March 22, 2021Date of Patent: June 14, 2022Assignee: TOYODA GOSEI CO., LTD.Inventors: Tsutomu Ishii, Koji Kawamura
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Patent number: 11350005Abstract: 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: GrantFiled: September 24, 2020Date of Patent: May 31, 2022Assignee: Canon Kabushiki KaishaInventors: Junichi Ochi, Yohei Suzuki, Miho Kaiga, Koji Kawamura, Shinkichi Yamamoto
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Patent number: 11290051Abstract: 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: GrantFiled: November 19, 2020Date of Patent: March 29, 2022Assignee: Canon Kabushiki KaishaInventors: Shinji Nakamura, Koji Kawamura, Satoru Mikajiri
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Patent number: 11260817Abstract: 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: GrantFiled: September 29, 2020Date of Patent: March 1, 2022Assignee: TOYODA GOSEI CO., LTD.Inventors: Hitomi Takahashi, Koji Kawamura, Masashi Hotta, Tsutomu Ishii, Wataru Miura
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Patent number: 11254275Abstract: 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: GrantFiled: February 21, 2020Date of Patent: February 22, 2022Assignee: TOYODA GOSEI CO., LTD.Inventors: Tsutomu Ishii, Koji Kawamura, Hitoshi Iida
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Patent number: 11203321Abstract: 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: GrantFiled: March 19, 2019Date of Patent: December 21, 2021Assignee: TOYODA GOSEI CO., LTD.Inventors: Motoyuki Tanaka, Masashi Hotta, Koji Kawamura, Yuji Sato, Hajime Kitte, Kenichi Fukurono
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Publication number: 20210300454Abstract: 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: ApplicationFiled: February 16, 2021Publication date: September 30, 2021Inventors: Masashi HOTTA, Koji KAWAMURA, Wataru MIURA, Norio UMEMURA, Masaaki OKUHARA
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Publication number: 20210300290Abstract: 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: ApplicationFiled: March 22, 2021Publication date: September 30, 2021Inventors: Tsutomu ISHII, Koji KAWAMURA
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Publication number: 20210265170Abstract: 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: ApplicationFiled: February 19, 2021Publication date: August 26, 2021Applicant: Tokyo Electron LimitedInventors: 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
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Publication number: 20210265145Abstract: 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: ApplicationFiled: February 17, 2021Publication date: August 26, 2021Inventor: Koji KAWAMURA
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Patent number: 11097683Abstract: 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: GrantFiled: September 13, 2019Date of Patent: August 24, 2021Assignee: TOYODA GOSEI CO., LTD.Inventors: Tsutomu Ishii, Masashi Hotta, Koji Kawamura, Yuji Sato
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Patent number: 11095173Abstract: 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: GrantFiled: February 22, 2017Date of Patent: August 17, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Koji Kawamura, Akira Hashimoto, Hiroyuki Akita, Sachiko Kawasaki, Naohiro Motoishi, Takatoshi Masuda
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Publication number: 20210179002Abstract: 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: ApplicationFiled: February 24, 2021Publication date: June 17, 2021Inventors: Masashi HOTTA, Koji KAWAMURA, Yuji SATO
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Publication number: 20210166916Abstract: 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: ApplicationFiled: December 1, 2020Publication date: June 3, 2021Inventor: Koji Kawamura
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Publication number: 20210159842Abstract: 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: ApplicationFiled: November 19, 2020Publication date: May 27, 2021Inventors: Shinji Nakamura, Koji Kawamura, Satoru Mikajiri
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Publication number: 20210099594Abstract: 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: ApplicationFiled: September 24, 2020Publication date: April 1, 2021Inventors: Junichi Ochi, Yohei Suzuki, Miho Kaiga, Koji Kawamura, Shinkichi Yamamoto
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Publication number: 20210094498Abstract: 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: ApplicationFiled: September 29, 2020Publication date: April 1, 2021Inventors: Hitomi TAKAHASHI, Koji KAWAMURA, Masashi HOTTA, Tsutomu ISHII, Wataru MIURA
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Patent number: 10919483Abstract: 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: GrantFiled: December 20, 2018Date of Patent: February 16, 2021Assignee: TOYODA GOSEI CO., LTD.Inventors: Masashi Hotta, Koji Kawamura