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).

  • Publication number: 20190001913
    Abstract: An airbag has a bag main body and a connection member with a base side joined to the bag main body and a distal end side fixed to a circumferential window edge. The bag main body has end-side and normal inflation portions. A slit is formed between the end-side and normal inflation portions. The base side of the connection member is joined to the bag main body at a position on a front and upper side from the slit. The bag main body is pulled by the connection member that covers a vehicle exterior side of the end-side inflation portion, in which is inserted into the slit from the vehicle interior side toward the vehicle exterior side when the airbag is completely inflated, and a vicinity of a part of the end-side inflation portion, is oriented toward the vehicle interior side.
    Type: Application
    Filed: June 28, 2018
    Publication date: January 3, 2019
    Inventors: Masaaki OKUHARA, Koji KAWAMURA, Takashi IIDA
  • Patent number: 10153673
    Abstract: Bridge portions forming coil end portions, at both ends in an axial direction, of a stator of the rotating electrical machine according to the present invention are configured coaxially about an axis of the stator; at least one bridge portion of the bridge portions of each coil at both ends in the axial direction is located outward of an inner peripheral surface of the stator; and a gap is present between an end surface of a stator core in the axial direction and each bridge portion.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: December 11, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hironori Tsuiki, Hiroyuki Akita, Akira Hashimoto, Koji Kawamura, Sachiko Kawasaki, Atsushi Sakaue
  • Publication number: 20180331605
    Abstract: Each pair of the forming die and the clamping die holding a straight portion of a plane-bent intermediate coil from both sides in the circumferential direction have equal widths in the radial direction of the coil forming device, and the forming dies and the clamping dies holding a plurality of the straight portions disposed from an inner peripheral side of the coil forming device toward an outer peripheral side of the coil forming device are disposed alternately in the circumferential direction with the straight portions interposed therebetween.
    Type: Application
    Filed: May 11, 2016
    Publication date: November 15, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Naohiro MOTOISHI, Koji KAWAMURA, Takatoshi MASUDA, Yuji TAKIZAWA
  • Publication number: 20180281742
    Abstract: An airbag includes an internal pressure adjusting mechanism: including: a tether arranged in a bag part; a long side part; and a short side part; and adjusting an exhaust of the inflation gas: to be in an exhaust mode in which the exhaust is facilitated when the tether is loosened; and to be in an exhaust suppression mode in which the exhaust is suppressed when the tether is stretched. In a state where the tether is loosened during the exhaust mode, facing edge parts of the long side part and the short side part are separable. In a state where the tether is stretched during the exhaust suppression mode, the facing edge part of the long side part and a root side part are inflated around the short side part and a leading edge side part contacts a back surface side of the short side part.
    Type: Application
    Filed: March 5, 2018
    Publication date: October 4, 2018
    Inventors: Takanori KOMATSU, Wataru MIURA, Hiroyuki NAKANISHI, Koji KAWAMURA
  • Publication number: 20180281731
    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: March 6, 2018
    Publication date: October 4, 2018
    Inventors: Masashi Hotta, Koji Kawamura, Yuji Sato
  • Publication number: 20180275584
    Abstract: A feeding apparatus includes a feeding member, first and second conveying members, a separation member, and drive and control units. The feeding member feeds a recording material placed on a tray. The separation member and the first conveying member form a nip portion and separates recording materials at the nip portion. The second conveying member conveys a conveyed recording material. The drive unit drives at least the feeding member. The control unit controls to feed first and second recording materials such that a second recording material front edge passes the nip portion before a first recording material rear edge passes the nip portion, and controls to stop the second recording material after the second recording material front edge has passed the nip portion such that the first recording material rear edge reaches the second conveying member before the second recording material front edge reaches the second conveying member.
    Type: Application
    Filed: June 1, 2018
    Publication date: September 27, 2018
    Inventors: Koji Kawamura, Joji Goto
  • Patent number: 10071703
    Abstract: A head-protecting airbag device includes: an airbag including: an airbag body; a mounting portion which fixes the airbag body to a body; and a tension cloth, wherein: the airbag body includes a general inflatable portion, and an end-side inflatable portion, which is partitioned from the general inflatable portion by an end-side partition portion as a closed portion; the tension cloth is disposed on the outboard side of the end-side inflatable portion in the airbag body, and the root end of the tension cloth is coupled to an area of the general inflatable portion which is closer to a central side in the front and rear direction than the end-side partition portion; and in the mounting portion, an end-side mounting portion is disposed from a position of the root end including a position of the root end of the tension cloth to an area of the general inflatable portion.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: September 11, 2018
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Sho Ikenohata, Koji Kawamura
  • Publication number: 20180254733
    Abstract: A control device comprises a driving unit configured to drive a plurality of coils of a multiple-phase motor by pulse width modulation; a detection unit configured to detect currents flowing through the plurality of coils in a time-division manner; and a change unit configured to change, in accordance with a duty in the pulse width modulation, a sequence of detecting the currents flowing through the plurality of coils by the detection unit.
    Type: Application
    Filed: February 27, 2018
    Publication date: September 6, 2018
    Inventors: Koji Kawamura, Jumpei Ashida, Shigeru Kameyama
  • Publication number: 20180248432
    Abstract: A rotary electric machine includes: a rotor; and a stator including: a stator core; and an armature winding that is mounted to the stator core. The armature winding includes by a plurality of identical-phase winding portions in which identical-phase coil portions among coil portions in which conducting wires are wound in concentration onto respective teeth are connected together into a series circuit by crossover wires, and that also have lead wires at two end portions. Each of the lead wires of each of the identical-phase winding portions is led out in a first axial direction of the rotor from coil portions that have identical phase, that are disposed to be adjacent in a circumferential direction of the stator core; and all of the crossover wires of each of the identical-phase winding portions are led out in a second axial direction of the rotor.
    Type: Application
    Filed: September 16, 2016
    Publication date: August 30, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroko IKEDA, Yu HIROTANI, Masatsugu NAKANO, Kazumasa ITO, Kodai OKAZAKI, Koji KAWAMURA
  • Publication number: 20180248433
    Abstract: In the armature winding of a rotary electric machine, in a series coil portion group, the numbers of turns of conducting wire in the coil portions that have an electrical angular phase difference of ?k that satisfies ?1<?k?m are different than the numbers of turns of conducting wire in the ?1 and ?m coil portions, and are also different than the numbers of turns of conducting wire in the coil portions that are adjacent to the ?k coil portions on two sides in a circumferential direction of the stator core, and phases of the ?k coil portions are also different than phases of each of the coil portions that are adjacent to the ?k coil portions on the two sides in the circumferential direction.
    Type: Application
    Filed: February 26, 2016
    Publication date: August 30, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kodai OKAZAKI, Masatsugu NAKANO, Kazumasa ITO, Yu HIROTANI, Hiroko IKEDA, Koji KAWAMURA
  • Patent number: 10046945
    Abstract: An image forming system includes an image forming apparatus, an image reading apparatus, and a connecting conveyance path that branches from a second main conveyance path of the image reading apparatus and joins a first sub conveyance path of the image forming apparatus, and is configured to convey an original from the image reading apparatus to the image forming apparatus. The system controls conveyance of the original so that a first side becomes a side that faces an image forming unit if the first side of the original is designated as the image formation side or so that a second side becomes the side that faces the image forming unit if the second side of the original is designated as the image formation side.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: August 14, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazushi Ino, Atsushi Ogata, Hiroki Kato, Koji Kawamura, Motohiro Furusawa, Ichiro Yasumaru
  • Patent number: 10000174
    Abstract: In a head protection airbag device equipped with an airbag, a boundary closing portion is disposed between a main inflation portion and an end-side inflation portion of the airbag at the time of completion of inflation so as to partition the main inflation portion and the end-side inflation portion; the boundary closing portion is provided with a distribution port that is configured to allow the inflating gas from the main inflation portion to flow to the end-side inflation portion, between the upper edge and the lower edge of the peripheral portion; and the boundary closing portion is equipped with a vertical closing portion disposed along a substantially vertical direction on the lower side, and an inclined closing portion that extends in an obliquely upward direction of the main inflation portion from the vicinity of the upper end of the vertical closing portion.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: June 19, 2018
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Masaaki Okuhara, Koji Kawamura, Yuji Sato, Takuya Hiraiwa
  • Patent number: 9994187
    Abstract: A folding completion body of a head-protecting airbag includes a compressed portion which is compressed to have a small sectional shape in an axis orthogonal direction in the folding completion body is provided in at least one end in a front and rear direction, wherein: the compressed portion is formed in such a manner that a thin-plate folded portion is disposed by folding back an end periphery in the front and rear direction to be directed to a center in the front and rear direction in a state where the head-protecting airbag is flatly deployed, and a folded-up portion in which the lower periphery is brought close to the upper periphery is provided; and the thin-plate folded portion is configured such that a tip extending from a crease is disposed to be positioned on an end side of the gas guidance path in the front and rear direction.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: June 12, 2018
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Masaaki Okuhara, Koji Kawamura, Yuji Sato
  • Patent number: 9956935
    Abstract: In a folding completion body of an airbag, the airbag includes: an airbag body configured to be stored on an upper edge of a window on an inboard side of a vehicle; and a plurality of mounting pieces which extend from an upper edge of the airbag body and mount the airbag body to the upper edge of the window, the lower edge of the airbag body in a flatly deployed state is folded to be brought close to the upper edge so as to form a folded body; a folding-collapse preventing member is assembled to the folded body; and the mounting piece with the lug is folded and superimposed to the upper edge of the airbag body in the folded body, and the lug is interposed between the folding-collapse preventing member and a surface of the folded body so as to be fixed to the folded body.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: May 1, 2018
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Koji Kawamura, Masaaki Okuhara, Yuji Sato, Takuya Hiraiwa
  • Patent number: 9950686
    Abstract: An occupant protection apparatus is provided with a first airbag device having a window airbag that protects an occupant in a vehicle and a second airbag device having an adjacent airbag that completes inflation to contact the window airbag for which inflation is completed, thereby protecting the occupant. Where the internal pressure of an inflation chamber at the contact site during contact with the adjacent airbag by the window airbag is P1 and the internal pressure of the adjacent airbag is P2, P1<P2 is satisfied. The wrap amount of the inflation chamber with the adjacent airbag is set as a proportion of a calculated value or less of a predetermined numeric expression.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: April 24, 2018
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Takuya Hiraiwa, Koji Kawamura, Yuji Sato, Masaaki Okuhara
  • Publication number: 20180109154
    Abstract: A stator is assembled by stacking, in the axial direction, a plurality of magnetic steel sheets having tooth portions. The steel sheets include connected tooth steel sheets in which the inner-circumferential-side end portions of the tooth portions are connected via connection portions in an annular shape along the circumferential direction, and non-connected tooth steel sheets which are separated from each other with the tooth portions not connected to each other. The connected tooth steel sheets and the non-connected tooth steel sheets are joined to each other in the axial direction via swage portions provided in the tooth portions. The thickness of each connection portion is smaller than the thickness of the other part of each steel sheet.
    Type: Application
    Filed: April 19, 2016
    Publication date: April 19, 2018
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hironori TSUIKI, Koji KAWAMURA, Hiroyuki AKITA, Akira HASHIMOTO
  • Publication number: 20180099829
    Abstract: A sheet feeder includes a first rotary member, a separation member that cooperates with the first rotary member in holding the sheet between the separation member and the first rotary member to define a separation nip, a conveyance unit disposed downstream of the separation nip in a conveyance direction of the sheet, a driving unit, and a control unit. The first rotary member feeds a sheet. The conveyance unit conveys the sheet. The driving unit drives the first rotary member. The control unit controls the driving unit to stop driving the first rotary member when a leading edge of the sheet reaches the conveyance unit, and controls the driving unit to restart driving the first rotary member when a trailing edge portion of the sheet comes out of the separation nip.
    Type: Application
    Filed: December 11, 2017
    Publication date: April 12, 2018
    Inventor: Koji Kawamura
  • Publication number: 20180086302
    Abstract: An airbag is deployed and inflated by inflating gas discharged from a plurality of gas discharge portions. The airbag is divided into a plurality of inflation chambers. At least one of the inflation chambers is an independent inflation chamber that restricts flow of inflation gas to and from adjacent ones of the inflation chambers. Two or more of the inflation chambers including the independent inflation chamber are discharge inflation chambers, each including the gas discharge portion. The gas discharge portions include a first gas discharge portion that starts discharging the inflation gas at a first timing and a second gas discharge portion that starts discharging the inflation gas at a second timing, which differs from the first timing. The first discharge portion is arranged in at least one of the independent inflation chambers.
    Type: Application
    Filed: August 15, 2017
    Publication date: March 29, 2018
    Inventors: Takuya HIRAIWA, Takashi IIDA, Koji KAWAMURA, Masaaki OKUHARA
  • Publication number: 20180029556
    Abstract: A support structure for an airbag apparatus includes an airbag apparatus having a bag holder, a pin, a pin holder, a damper holder, an elastic member, a motion transmitting portion, a motion receiving portion, and a noise suppressing portion. The pin includes a shaft portion passed through a mounting hole provided in the bag holder and a flange portion formed at the rear end of the shaft portion. The pin holder slidably covers the shaft portion. The damper holder is mounted to the airbag apparatus while covering the pin holder. The elastic member includes an elastic body portion. A gap is provided inside the motion transmitting portion. The noise suppressing portion is located between the gap and the pin holder, is made of a material softer than the pin holder, and has an inner diameter smaller than the inner diameter of the elastic body portion.
    Type: Application
    Filed: July 25, 2017
    Publication date: February 1, 2018
    Inventors: Tsutomu ISHII, Toshihito YANAGISAWA, Mikine HAYASHI, Yuji SATO, Koji KAWAMURA
  • Patent number: 9868602
    Abstract: A sheet feeder includes a first rotary member, a separation member that cooperates with the first rotary member in holding the sheet between the separation member and the first rotary member to define a separation nip, a conveyance unit disposed downstream of the separation nip in a conveyance direction of the sheet, a driving unit, and a control unit. The first rotary member feeds a sheet. The conveyance unit conveys the sheet. The driving unit drives the first rotary member. The control unit controls the driving unit to stop driving the first rotary member when a leading edge of the sheet reaches the conveyance unit, and controls the driving unit to restart driving the first rotary member when a trailing edge portion of the sheet comes out of the separation nip.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: January 16, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Koji Kawamura