Patents by Inventor Masahiko Mizuno
Masahiko Mizuno 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: 9403651Abstract: An image forming apparatus includes an apparatus main body, a sheet feeding cassette, an image forming section, a delivery member, a conveying member, a lift plate, a driving section, a first switching section, a second switching section, and a driving control section. The conveying member is disposed in the reverse conveying path. The lift plate is enabled to change a position thereof between a sheet feeding position and a retracting position. The first switching section transmits the driving force to the delivery member and the conveying member. The second switching section transmits the driving force to the lift plate. The driving control section controls the first switching section, with the lift plate being placed in the sheet feeding position, to rotate the delivery member, and when the sheet is conveyed through the reverse conveying path, moves the lift plate from the sheet feeding position to the retracting position.Type: GrantFiled: April 14, 2015Date of Patent: August 2, 2016Assignee: KYOCERA Document Solutions Inc.Inventors: Masahiko Mizuno, Yuki Uohashi
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Publication number: 20160091838Abstract: An image forming apparatus includes: a driving source including only a first driving motor and a second driving motor; a first transfer system that transfers a first driving force generated by the first driving motor; and a second transfer system that transfers a second driving force generated by the second driving motor. The first transfer system transfers the first driving force only to each image carrier and each developing roller. The second transfer system transfers the second driving force to at least a belt driving roller of an intermediate transfer unit, a fixing roller, and a sheet conveyance roller.Type: ApplicationFiled: September 30, 2015Publication date: March 31, 2016Inventors: Masahiko Mizuno, Yuki Tamura
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Publication number: 20160053859Abstract: A drive transmission mechanism includes an electromagnetic clutch and a drive output gear. The electromagnetic clutch includes a clutch shaft, a clutch input gear, a clutch idler gear, and a clutch output gear. The drive transmission mechanism transmits driving power using a first drive transmission path or a second drive transmission path. The first drive transmission path includes the clutch idler gear, a first idler gear, and a first output gear unit to transmit driving power to a rotated member connected to a first output gear unit irrespective of the energizing or the non-energizing an electromagnetic clutch. The second drive transmission path includes the clutch output gear, a second idler gear, and a second output gear unit to transmit driving power to a rotated member connected to the second output gear unit only when the electromagnetic clutch is energized.Type: ApplicationFiled: August 10, 2015Publication date: February 25, 2016Applicant: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Yuki TAMURA, Masahiko MIZUNO
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Patent number: 9199798Abstract: The first gear is fixed to a conveyance screw. The second gear is arranged in tandem with the first gear. The third gear meshes with the first gear and the second gear. The first support member supports the first gear to enable movement in one radial direction. The second support member supports the second gear to disable movement in the radial direction. The number of teeth of the first gear and that of the second gear are different. In the first gear, a first cam unit is formed. In the second gear, a second cam unit is formed. The both cam units converts a circumferential relative displacement, generated along with rotation of the third gear, between the first and second gears is converted into a displacement in the one direction of the first gear, in a predetermined period in accordance with the number of rotations of the third gear.Type: GrantFiled: September 23, 2014Date of Patent: December 1, 2015Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventor: Masahiko Mizuno
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Publication number: 20150329301Abstract: An image forming apparatus has a registration roller pair, an upstream-side roller pair, a driving force source, a shared clutch, and an upstream-side roller stop delay mechanism. The upstream-side roller pair is provided on the upstream side of the registration roller pair with respect to the sheet transport direction. The driving force source generates a rotating driving force. The shared clutch engages and disengages the transmission of the rotating driving force from the driving force source to the registration roller pair and the upstream-side roller pair. When the transmission of the rotating driving force is disengaged by the shared clutch, the upstream-side roller stop delay mechanism delays the stopping of the upstream-side roller pair relative to the stopping of the registration roller pair.Type: ApplicationFiled: May 14, 2015Publication date: November 19, 2015Applicant: KYOCERA Document Solutions Inc.Inventor: Masahiko MIZUNO
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Publication number: 20150298932Abstract: An image forming apparatus includes an apparatus main body, a sheet feeding cassette, an image forming section, a delivery member, a conveying member, a lift plate, a driving section, a first switching section, a second switching section, and a driving control section. The conveying member is disposed in the reverse conveying path. The lift plate is enabled to change a position thereof between a sheet feeding position and a retracting position. The first switching section transmits the driving force to the delivery member and the conveying member. The second switching section transmits the driving force to the lift plate. The driving control section controls the first switching section, with the lift plate being placed in the sheet feeding position, to rotate the delivery member, and when the sheet is conveyed through the reverse conveying path, moves the lift plate from the sheet feeding position to the retracting position.Type: ApplicationFiled: April 14, 2015Publication date: October 22, 2015Inventors: Masahiko Mizuno, Yuki Uohashi
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Patent number: 9115786Abstract: A driving force transmitting device includes a first gear that rotates about the same rotational shaft as that of a small wheel portion and a second gear that engages with the small wheel portion and to which a rotational driving force is transmitted from the first gear. A rib member that rotatably supports the second gear is provided at a rotational center of the second gear. A first end portion of a rotational shaft is pivotally supported by an attachment plate within a root circle of the first gear. The annular rib member is provided on a web face of the first gear. The rib member has the same rotational shaft as the first gear and co-rotates with the first gear while supporting a second end portion of the rotational shaft.Type: GrantFiled: January 30, 2013Date of Patent: August 25, 2015Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventor: Masahiko Mizuno
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Publication number: 20150096868Abstract: The first gear is fixed to a conveyance screw. The second gear is arranged in tandem with the first gear. The third gear meshes with the first gear and the second gear. The first support member supports the first gear to enable movement in one radial direction. The second support member supports the second gear to disable movement in the radial direction. The number of teeth of the first gear and that of the second gear are different. In the first gear, a first cam unit is formed. In the second gear, a second cam unit is formed. The both cam units converts a circumferential relative displacement, generated along with rotation of the third gear, between the first and second gears is converted into a displacement in the one direction of the first gear, in a predetermined period in accordance with the number of rotations of the third gear.Type: ApplicationFiled: September 23, 2014Publication date: April 9, 2015Inventor: Masahiko MIZUNO
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Patent number: 8905525Abstract: A timing detection device includes a moving object, an opening, a sensor unit, and a timing detection unit. The moving object includes a first face and a second face. The first face and the second face move in a moving direction that is parallel to faces. The openings are formed by penetrating the moving object from the first face to the second face. The sensor unit emits detection light from the first face side toward the moving object, and receives the detection light that passes through the openings. The moving object includes an inner wall part and an edge part. The inner wall part demarcates a lateral edge of the openings on a downstream side in the moving direction. The edge part protrudes toward the upstream side in the moving direction at an end fringe part on the second face side of the inner wall part.Type: GrantFiled: October 28, 2013Date of Patent: December 9, 2014Assignee: KYOCERA Document Solutions Inc.Inventor: Masahiko Mizuno
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Publication number: 20140334840Abstract: The driving force transmitting device 1 of the present invention includes a first gear 11 that rotates about the same rotational shaft as that of a small wheel portion 112 and a second gear 12 that engages with the small wheel portion 112 and to which a rotational driving force is transmitted from the first gear 11. A rib member 113 that rotatably supports the second gear 12 is provided at a rotational center of the second gear 12. A first end portion of a rotational shaft 121 is pivotally supported by an attachment plate 20 within a root circle of the first gear 11. The annular rib member 113 is provided on a web face 114 of the first gear 11, the rib member 113 having the same rotational shaft as the first gear 11 and corotating with the first gear 11 while supporting a second end portion side of the rotational shaft 121.Type: ApplicationFiled: January 30, 2013Publication date: November 13, 2014Applicant: Kyocera Document Solutions Inc.Inventor: Masahiko Mizuno
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Patent number: 8733754Abstract: A sheet sender 21A includes a lift plate 21P, a feed roller 21B and a registration roller 23. A biasing spring 21S applies an upward force onto the lift plate 21P. The lift plate 21P is moved upward by eccentric cams 60 which are arranged at axial ends of the feed roller 21B and rotationally driven by arm protrusions 211 which have come in contact with the eccentric cams 60. A rotational driving force is transmitted to a feed gear 220 and a registration gear 231 from a main gear 70 to rotate the feed roller 21B and the registration roller 23. A gear of the main gear 70 that engages with the feed gear 220 is idly rotatable within a predetermined angle with respect to a gear that engages with the registration roller 23.Type: GrantFiled: April 11, 2013Date of Patent: May 27, 2014Assignee: KYOCERA Document Solutions Inc.Inventor: Masahiko Mizuno
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Publication number: 20140118434Abstract: A timing detection device includes a moving object, an opening, a sensor unit, and a timing detection unit. The moving object includes a first face and a second face. The first face and the second face move in a moving direction that is parallel to faces. The openings are formed by penetrating the moving object from the first face to the second face. The sensor unit emits detection light from the first face side toward the moving object, and receives the detection light that passes through the openings. The moving object includes an inner wall part and an edge part. The inner wall part demarcates a lateral edge of the openings on a downstream side in the moving direction. The edge part protrudes toward the upstream side in the moving direction at an end fringe part on the second face side of the inner wall part.Type: ApplicationFiled: October 28, 2013Publication date: May 1, 2014Applicant: KYOCERA DOCUMENT SOLUTIONS INC.Inventor: Masahiko Mizuno
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Patent number: 8656801Abstract: A drive transmission device includes a motor pinion gear provided at an output shaft of the driving motor and a-transmission gear engaging the motor pinion gear. In the drive transmission device, a sliding washer and a compression spring are disposed between the transmission-gear and the motor mounting plate. The sliding washer is pressed against a web of the transmission gear by the compression spring.Type: GrantFiled: June 23, 2009Date of Patent: February 25, 2014Assignee: KYOCERA Document Solutions Inc.Inventor: Masahiko Mizuno
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Publication number: 20130270764Abstract: A sheet sender 21A includes a lift plate 21P, a feed roller 21B and a registration roller 23. A biasing spring 21S applies an upward force onto the lift plate 21P. The lift plate 21P is moved upward by eccentric cams 60 which are arranged at axial ends of the feed roller 21B and rotationally driven by arm protrusions 211 which have come in contact with the eccentric cams 60. A rotational driving force is transmitted to a feed gear 220 and a registration gear 231 from a main gear 70 to rotate the feed roller 21B and the registration roller 23. A gear of the main gear 70 that engages with the feed gear 220 is idly rotatable within a predetermined angle with respect to a gear that engages with the registration roller 23.Type: ApplicationFiled: April 11, 2013Publication date: October 17, 2013Applicant: KYOCERA Documentation Solutions Inc.Inventor: Masahiko Mizuno
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Patent number: 8344167Abstract: A method is for producing propylene oxide, the method including the steps of: reacting hydrogen peroxide with propylene either in an acetonitrile solvent or in a mixture of solvents which include acetonitrile and water, in presence of a titanosilicate catalyst, whereby a reaction mixture containing propylene oxide is obtained; separating the reaction mixture obtained in the reacting into a gas and a reaction liquid; and distilling the reaction liquid obtained in the separating, whereby the reaction liquid is separated into a column top liquid containing propylene oxide, and a column bottom liquid including acetonitrile or a combination of acetonitrile and water, in combination with other steps. This enables industrially efficient production of propylene oxide with use of acetonitrile.Type: GrantFiled: July 4, 2008Date of Patent: January 1, 2013Assignee: Sumitomo Chemical Company, LimitedInventors: Masahiko Mizuno, Hideo Narahara
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Patent number: 8073576Abstract: The present invention provides an acceleration sensation evaluating device that evaluates a sensory acceleration of a driver with respect to an expectation value of acceleration, and a vehicle controller that controls a vehicle according to the evaluation results. The evaluation device detects an amount of operation of the vehicle by the driver of when the vehicle is accelerated, detects an amount of vehicle behavior, computes a physical quantity of an expectation value indicating the expectation value of an acceleration performance which the driver expects based on the detected values, computes a sensory physical quantity indicating a sensation of the acceleration which the driver senses, and computes an evaluation value of the acceleration sensation based on difference or ratio between the physical quantity of the expectation value and the sensory physical quantity.Type: GrantFiled: July 4, 2006Date of Patent: December 6, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventors: Akio Matsunaga, Yusuke Nozaki, Masanori Shimada, Eiichi Yasuda, Masahiko Mizuno, Kazukata Takei, Eiichi Ono, Noriyoshi Terazawa, Mitsuteru Kokubun
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Patent number: 7937997Abstract: The present invention regards a tire braking characteristic test apparatus which can reflect the dynamic characteristics of a vehicle at the time of braking in order to evaluate the braking characteristics of tires. The test apparatus can also perform a test where a vehicle condition is changed in a manner which influences the braking characteristics of the tires.Type: GrantFiled: April 11, 2007Date of Patent: May 10, 2011Assignee: Kabushiki Kaisha Kobe Seiko ShoInventors: Etsujiro Imanishi, Masahiko Mizuno
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Publication number: 20110021795Abstract: A production method of propylene oxide, wherein hydrogen, oxygen and propylene are reacted by a multistep process in a mixed solvent of acetonitrile and water, in the presence of a layered precursor of Ti-MWW and a catalyst comprising palladium supported on a carrier.Type: ApplicationFiled: March 26, 2009Publication date: January 27, 2011Inventors: Hideo Kanazawa, Masahiko Mizuno, Michio Yamamoto
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Patent number: 7778809Abstract: Values of multiple tire dynamic element parameters are set for a tire dynamic model constructed using the tire dynamic element parameters for calculating a tire axial force and a self-aligning torque under a given slip ratio. Next, the values of the tire axial force and the self-aligning torque are calculated using the tire dynamic model and output. The tire dynamic model allows a center position of a contact patch thereof against a road surface to move in accordance with a longitudinal force that occurs as the tire axial force when a slip ratio in a braking/driving direction is given so that a position of the contact patch moves in a longitudinal direction due to the longitudinal force. When designing a vehicle or when designing a tire, the tire dynamic model is used.Type: GrantFiled: August 21, 2007Date of Patent: August 17, 2010Assignee: The Yokohama Rubber Co., Ltd.Inventors: Naoshi Miyashita, Kazuyuki Kabe, Masahiko Mizuno
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Publication number: 20100197946Abstract: A method is for producing propylene oxide, the method including the steps of: reacting hydrogen peroxide with propylene either in an acetonitrile solvent or in a mixture of solvents which include acetonitrile and water, in presence of a titanosilicate catalyst, whereby a reaction mixture containing propylene oxide is obtained; separating the reaction mixture obtained in the reacting into a gas and a reaction liquid; and distilling the reaction liquid obtained in the separating, whereby the reaction liquid is separated into a column top liquid containing propylene oxide, and a column bottom liquid including acetonitrile or a combination of acetonitrile and water, in combination with other steps. This enables industrially efficient production of propylene oxide with use of acetonitrile.Type: ApplicationFiled: July 4, 2008Publication date: August 5, 2010Inventors: Masahiko Mizuno, Hideo Narahara