Patents by Inventor Yohei Hashimoto

Yohei Hashimoto 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: 8311448
    Abstract: An image forming apparatus is provided. The image forming apparatus includes: an apparatus main body, a drawer, an image carrier, a developing unit which is provided to be movable with respect to the drawer, a contacting and spacing mechanism which is provided to at least one of the apparatus main body and the drawer, and which is configured to move the developing unit between a contacting position and a spacing position, a driving unit which is configured to drive the contacting and spacing mechanism, a cover, an interlocking mechanism which is configured to interlock with opening of the cover, wherein when the cover is opened, the interlocking mechanism performs a first operation of releasing the coupled state between the driving unit and the contacting and spacing mechanism, and a second operation of moving the developing unit to a drawn position while interlocking with the first operation.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: November 13, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Yohei Hashimoto
  • Publication number: 20120251184
    Abstract: An image forming apparatus includes a rotation driving source, a black developing unit, a color developing unit, a first gear, a second gear, a development drive transmission mechanism and a switching mechanism. The development drive transmission mechanism includes a first intermediate gear and a second intermediate gear. The switching mechanism includes a linear cam member configured to move linearly and to move the first intermediate gear and the second intermediate gear such that: in the first mode, the first gear engages the first intermediate gear and the second gear engages the second intermediate gear; in the second mode, the first gear engages the first intermediate gear and the second gear is disengaged from the second intermediate gear; in the third mode, the first gear is disengaged from the first intermediate gear.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 4, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yohei HASHIMOTO
  • Publication number: 20120251179
    Abstract: An image forming apparatus includes a translation cam having a cam surface configured to move a developing roller from a contact position contacting a photosensitive member to a retracted position retracted from the photosensitive member and further having a holding surface configured to hold the developing roller at the retracted position. The image forming apparatus further includes a first engaging portion. The translation cam includes a second engaging portion. The first engaging portion and the second engaging portion are configured to engage each other before a functioning surface of the translation cam is switched from the holding surface to the cam surface.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 4, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yasuhiro Suzuki, Yohei Hashimoto
  • Publication number: 20120251170
    Abstract: An image forming device includes a motor capable of positive rotation and reverse rotation, a photoconductor drum, a developing roller, a contact/separation cam and a switching cam. The contact/separation cam is configured to move the developing roller. The switching cam is configured to switch a position of a transmission member. An electromagnetic clutch is disposed between one of the contact/separation cam and the switching cam and the motor. The other cam is connected to the motor without the electromagnetic clutch. The contact/separation cam and the switching cam are driven by using the positive rotation and the reverse rotation of the motor and the electromagnetic clutch.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 4, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yohei HASHIMOTO
  • Patent number: 8270877
    Abstract: An apparatus includes: a main body; a moving member movable between an accommodation position and a separation position; a driving member rotatably provided in the main body; a passive member rotatably provided in the moving member and is opposed to the driving member in a rotation axis direction; and a driving force transmitting member provided between the driving member and the passive member. The driving force transmitting member is movably supported in the driving member along the rotation axis direction, a first connecting unit is engaged with the driving member and the driving force transmitting member by an unevenness so as to be movable in a first diameter direction, and a second connecting unit is engaged with the driving force transmitting member and the passive member by an unevenness so as to be movable in a second diameter direction.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: September 18, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yoshiya Tomatsu, Yohei Hashimoto
  • Publication number: 20120230731
    Abstract: An image forming apparatus includes gears for driving a first photosensitive drum and a second photosensitive drum. The gears includes a first drum gear, a second drum gear, and a first drive gear configured to apply a rotational force to the first drum gear and the second drum gear by meshing with the first drum gear and the second drum gear. Specific positional relations among the first photosensitive drum, the second photosensitive drum, the first drum gear, the second drum gear, and the first drive gear are configured based on exposure positions and transfer position. Such an image forming apparatus may reduce an occurrence of an image formation failure even when the dimensional unevenness of the gears occurs.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 13, 2012
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yohei HASHIMOTO
  • Patent number: 8160487
    Abstract: The image-forming device includes an image-forming unit, a fixing unit, a pair of first guides, and a pair of second guides. A sheet conveying path is provided from the image-forming unit to the fixing unit. The pair of first guides are disposed on the conveying path and configure to contact with an image-forming side of the recording sheet at both widthwise edges thereof, for restraining the recording sheet from being displaced toward the image-forming side. The pair of second guides are disposed on the conveying path and configure to contact with the image-forming side of the recording sheet at both widthwise edges thereof for restraining the recording sheet from being displaced toward the image-forming side, a distance between the pair of first guides in the widthwise direction being greater than a distance between the pair of second guides in the widthwise direction.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: April 17, 2012
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Yohei Hashimoto
  • Publication number: 20120056166
    Abstract: An organic semiconductor material is represented by the following formula (F): wherein A represents a cyclic conjugated skeleton structure formed of one or more aromatic rings, and R1 and R2 each independently represent a substituted or unsubstituted alkyl group. The organic semiconductor material has high electron mobility and high on/off ratio, and can form an organic semiconductor thin film by a solution process making use of its solution.
    Type: Application
    Filed: May 11, 2010
    Publication date: March 8, 2012
    Applicants: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Ken-ichi Nakayama, Junji Kido, Yong-Jin Pu, Yohei Hashimoto, Naomi Oguma, Naoki Hirata
  • Publication number: 20110245635
    Abstract: Provided are a decompression mechanism capable of performing a desired pressure reduction by simple operation and having improved operability, a puncture device, a blood analysis device, and a sensor mounting mechanism. A needle puncturing device (100) is provided with: a piston (121) having at one end thereof an end part (121a) for forming a part of a sensor mounting mechanism (130) and at the other end an end part (121b) for slidably supporting a rod (112) of a lancet section (111); a cylinder (122) for slidably containing therein the end section (121b) of the piston (121); and packing (125) mounted to the inner periphery of the end part (121b) of the piston (121) and maintaining the air-tightness of the outer periphery of the rod (112).
    Type: Application
    Filed: October 15, 2009
    Publication date: October 6, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Masaki Fujiwara, Yohei Hashimoto
  • Patent number: 7983600
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a single drive source, at least four photosensitive drums, a plurality of drum drive gears which are provided to correspond to the photosensitive drums, and a plurality of intermediate gears which are interposed between the drive source and each of the drum drive gears. A number of the intermediate gears provided for each of the photosensitive drums is same.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: July 19, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Koji Abe, Yohei Hashimoto
  • Patent number: 7983594
    Abstract: An image forming apparatus configured to effectively prevent a failure in an image is provided. The image forming apparatus of the invention includes a housing, a transport belt for transporting a sheet along a sheet transport face, an image forming portion arranged above the sheet transport face, and a fixing unit arranged on a downstream side of the sheet transport face of the transport belt in a sheet transport direction. The fixing unit includes a heating roller and a pressure roller. A deposit portion where a toner waste deposits is disposed between the image forming portion and the heating roller. The deposit portion is provided with a contact portion that is configured to make contact with an image formation outside region at a trailing edge of the sheet jumping in a direction approaching the heating roller by being separated from the sheet transport face.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: July 19, 2011
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Yohei Hashimoto
  • Publication number: 20110066733
    Abstract: Provided is a data acquisition method including the steps of selecting a link destination whose display is at least partially located in a region of a display screen corresponding to an operating tool, acquiring, before the link destination is selected, information relating to a layout of a display screen and display control data including at least a structural unit in which the information is written, the display control data and the information existing at the link destination, extracting structural units included in the display control data, in a case the prefetched link destination is selected, generating first structured data by linking the extracted structural units in which information involving script-process isn't written, generating second structured data by linking the extracted structural units, displaying a display screen using the first structured data, and redisplaying, at a stage the second structured data is generated, the display screen using the second structured data.
    Type: Application
    Filed: September 9, 2010
    Publication date: March 17, 2011
    Inventors: Yohei Hashimoto, Takamasa Iwade, Kenji Hisanaga, Takuma Oiwa, Yoshinori Atake, Tomohiro Katsube
  • Publication number: 20110063310
    Abstract: Provided is an information processing apparatus including a structure analysis unit that analyses display control data including multiple structural units, in each of which information relating to display control is written, and extracts the structural units included in the display control data, a first structuring unit that generates first structured data for display control by linking, except for a structural unit in which information involving script processing is written, the structural units including at least a structural unit in which information relating to a layout of a display screen is written, among the extracted structural units, a second structuring unit that generates second structured data for display control by linking all of the extracted structural units, and a display control unit that displays a display screen using the first structured data, and, at a stage the second structured data is generated, redisplays the display screen using the second structured data.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 17, 2011
    Inventors: TAKAMASA IWADE, KENJI HISANAGA, YOSHINORI ATAKE, TOMOHIRO KATSUBE, YOHEI HASHIMOTO, TAKUMA OIWA
  • Publication number: 20110066732
    Abstract: Provided is a data acquisition method including the steps of selecting one or more of at least one link destination, acquiring, before the link destination is selected, display control data including at least a structural unit in which information relating to a layout of a display screen is written, the display control data existing at the link destination selected in the previous step, extracting structural units included in the display control data before the prefetched link destination is selected, generating, before the prefetched link destination is selected, first structured data for display control by linking the extracted structural units in which information involving script processing is not written, generating, in a case the prefetched link destination is selected, second structured data for display control by linking the structural units, displaying a display screen using the first structured data, and redisplaying the display screen using the second structured data.
    Type: Application
    Filed: August 30, 2010
    Publication date: March 17, 2011
    Inventors: Takamasa Iwade, Yohei Hashimoto, Takuma Oiwa, Kenji Hisanaga, Yoshinori Atake, Tomohiro Katsube
  • Publication number: 20110052254
    Abstract: An image forming apparatus is provided. The image forming apparatus includes: an apparatus main body, a drawer, an image carrier, a developing unit which is provided to be movable with respect to the drawer, a contacting and spacing mechanism which is provided to at least one of the apparatus main body and the drawer, and which is configured to move the developing unit between a contacting position and a spacing position, a driving unit which is configured to drive the contacting and spacing mechanism, a cover, an interlocking mechanism which is configured to interlock with opening of the cover, wherein when the cover is opened, the interlocking mechanism performs a first operation of releasing the coupled state between the driving unit and the contacting and spacing mechanism, and a second operation of moving the developing unit to a drawn position while interlocking with the first operation.
    Type: Application
    Filed: August 17, 2010
    Publication date: March 3, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Yohei Hashimoto
  • Publication number: 20100272470
    Abstract: An apparatus includes: a main body; a moving member movable between an accommodation position and a separation position; a driving member rotatably provided in the main body; a passive member rotatably provided in the moving member and is opposed to the driving member in a rotation axis direction; and a driving force transmitting member provided between the driving member and the passive member. The driving force transmitting member is movably supported in the driving member along the rotation axis direction, a first connecting unit is engaged with the driving member and the driving force transmitting member by an unevenness so as to be movable in a first diameter direction, and a second connecting unit is engaged with the driving force transmitting member and the passive member by an unevenness so as to be movable in a second diameter direction.
    Type: Application
    Filed: March 29, 2010
    Publication date: October 28, 2010
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yoshiya TOMATSU, Yohei HASHIMOTO
  • Patent number: 7817314
    Abstract: An image reading apparatus includes a document mounting table, a document cover disposed above the document mounting table and provided to be displaceable between a position in which the mounted document is covered and a position in which the document mounting table is opened, an automatic document feeder delivering and discharging the document to an upper surface of the document cover, a reading unit that reads an image on a surface of the mounted document or an image on a surface of the document delivered by the automatic document feeder; and a panel disposed on the document cover. The panel includes an installation surface provided with a display portion or an operating portion. The panel also includes a regulating surface which is protruded from the upper surface and which regulates a position of an end of the document discharged through the automatic document feeder.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: October 19, 2010
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Yohei Hashimoto
  • Publication number: 20100222703
    Abstract: A blood test device (21) ensuring successful measurement wherein fingers scarcely slip out from the blood test device and blood never sticks to other sites in the course from the puncture of the patient's skin to the completion of the blood test. This blood test device (21) comprises a cartridge (24) in which sensors (23) pooling blood oozing out from the punctured skin are stored in a layered state, a transport unit transporting a single sensor sheet (23) from the inside of the cartridge (24) to the outside, a holder (25) holding the transported sensor (23), a laser emitting unit (26) puncturing the skin in the state where the sensor (23) is held by the holder (25), and a pump (28) keeping the inside of the holder (25) and the inside of the cartridge (24) under negative pressure.
    Type: Application
    Filed: July 18, 2008
    Publication date: September 2, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Tetsuya Takashima, Masaki Fujiwara, Takeshi Nishida, Yoshinori Amano, Toshiki Matsumoto, Kenichi Hamanaka, Keisuke Matsumura, Yohei Hashimoto
  • Publication number: 20100150777
    Abstract: A sensor holder comprises a sensor mounting part having a first face on which a blood sensor is placed, a second face provided on the opposite side from the first face, and a through-hole that goes from the first face to the second face and is large enough to allow a laser beam to pass through; a finger holding part that is provided on the second face and surrounds the through-hole, and a grip that sticks out from the blood testing device when the sensor holder is mounted to the blood testing device.
    Type: Application
    Filed: December 7, 2009
    Publication date: June 17, 2010
    Inventors: Takeshi NISHIDA, Tetsuya Takashima, Yohei Hashimoto
  • Patent number: 7725049
    Abstract: An image forming apparatus which forms an image on a recording sheet includes a housing having an exhaust outlet and an image forming unit disposed in the housing and configured to form an image on a recording sheet. A duct in the housing may have an inlet at a first end in the housing, and communicate with the exhaust outlet at a second end in the housing. The image forming apparatus includes an exhaust fan disposed between the exhaust outlet and the duct, and being configured to cause air entering the duct from the inlet to go toward the exhaust outlet; a first filter disposed in the duct to cover the inlet and being configured to remove dust suspended in the air, and a second filter disposed in the duct downstream from the first filter in a direction of airflow and being configured to remove dust suspended in the air.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: May 25, 2010
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yoshiya Tomatsu, Yohei Hashimoto, Kiyomitsu Kumazawa