Patents by Inventor Yasushi Murayama
Yasushi Murayama 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).
-
BASE STATION CONTROL SYSTEM, BASE STATION CONTROL METHOD, BASE STATION CONTROL APPARATUS AND PROGRAM
Publication number: 20250106782Abstract: In a base station control system including a first base station whose deployment position has not been determined and a base station control apparatus, the base station control apparatus reduces a deviation in the number of terminals connected to each base station by including a clustering unit configured to repeat clustering for dividing a plurality of terminals into clusters for each of the first base station and a second base station while fixing a position of the existing second base station to which the plurality of terminals is connected and changing a position of the first base station, a calculation unit configured to calculate a number of first terminals connected to the first base station and a number of second terminals connected to the second base station for each of a plurality of transmission powers of the first base station in a case where the first base station is deployed at a position at a point in time at which the clustering is completed, and a selection unit configured to select a transmiType: ApplicationFiled: September 1, 2021Publication date: March 27, 2025Inventors: Toshiro NAKAHIRA, Motoharu SASAKI, Daisuke MURAYAMA, Shota NAKAYAMA, Takatsune MORIYAMA, Yasushi TAKATORI -
Patent number: 10870416Abstract: A brake controller is configured to control a brake device. The brake device applies a braking force to each of wheels by moving a pad toward a rotor provided for each of the wheels and pressing the pad against the rotor. The brake controller includes: a pressing force detection section configured to detect a pressing force information corresponding to a pressing force by which the pad is pressed against the rotor during braking; a stroke detection section configured to detect a stroke information corresponding to a stroke amount of the pad toward the rotor during braking, wherein the brake controller distributes the braking force to each of the wheels such that the pressing force is in a range other than a predetermined range, and sets the predetermined range based on the pressing force information and the stroke information.Type: GrantFiled: April 17, 2018Date of Patent: December 22, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yasushi Murayama
-
Patent number: 10723332Abstract: A braking device for a vehicle includes a plurality of braking force generators; a steering assist device; a yaw rate detecting unit; and a control device. The control device is configured to perform control such that, in a case where the plurality of braking force generators perform a braking operation and there is a malfunctioning braking force generator, braking forces of the plurality of braking force generators other than the malfunctioning braking force generator are maintained or increased when an acquired value of an actual yaw rate acquired from the yaw rate detecting unit is equal to or less than a reference value, and a steering torque is applied to a steering system in a direction in which the actual yaw rate decreases when the acquired value of the actual yaw rate is larger than the reference value.Type: GrantFiled: March 19, 2018Date of Patent: July 28, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasushi Murayama, Yusuke Ennoji
-
Publication number: 20180312147Abstract: A brake controller is configured to control a brake device. The brake device applies a braking force to each of wheels by moving a pad toward a rotor provided for each of the wheels and pressing the pad against the rotor. The brake controller includes: a pressing force detection section configured to detect a pressing force information corresponding to a pressing force by which the pad is pressed against the rotor during braking; a stroke detection section configured to detect a stroke information corresponding to a stroke amount of the pad toward the rotor during braking, wherein the brake controller distributes the braking force to each of the wheels such that the pressing force is in a range other than a predetermined range, and sets the predetermined range based on the pressing force information and the stroke information.Type: ApplicationFiled: April 17, 2018Publication date: November 1, 2018Applicant: Toyota Jidosha Kabushiki KaishaInventor: Yasushi MURAYAMA
-
Publication number: 20180273006Abstract: A braking device for a vehicle includes a plurality of braking force generators; a steering assist device; a yaw rate detecting unit; and a control device. The control device is configured to perform control such that, in a case where the plurality of braking force generators perform a braking operation and there is a malfunctioning braking force generator, braking forces of the plurality of braking force generators other than the malfunctioning braking force generator are maintained or increased when an acquired value of an actual yaw rate acquired from the yaw rate detecting unit is equal to or less than a reference value, and a steering torque is applied to a steering system in a direction in which the actual yaw rate decreases when the acquired value of the actual yaw rate is larger than the reference value.Type: ApplicationFiled: March 19, 2018Publication date: September 27, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasushi MURAYAMA, Yusuke ENNOJI
-
Patent number: 9802594Abstract: A negative pressure controller controls a negative pressure in a vacuum chamber of a vacuum booster by controlling a negative pressure supplier connected to the vacuum chamber. The negative pressure controller includes: negative pressure sensors each configured to detect the negative pressure in the vacuum chamber; and a negative-pressure-supplier controller configured to actuate the negative pressure supplier when one of output values of the negative pressure sensors which is nearest to an atmospheric pressure among the output values becomes nearer to an atmospheric pressure than a first threshold value. The negative-pressure-supplier controller is configured to stop the negative pressure supplier when at least two output values of the output values of the negative pressure sensors become nearer to a vacuum than a second threshold value.Type: GrantFiled: August 8, 2016Date of Patent: October 31, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshihide Sekiya, Yasushi Murayama, Shoji Ozaki
-
Publication number: 20170088108Abstract: A negative pressure controller controls a negative pressure in a vacuum chamber of a vacuum booster by controlling a negative pressure supplier connected to the vacuum chamber. The negative pressure controller includes: negative pressure sensors each configured to detect the negative pressure in the vacuum chamber; and a negative-pressure-supplier controller configured to actuate the negative pressure supplier when one of output values of the negative pressure sensors which is nearest to an atmospheric pressure among the output values becomes nearer to an atmospheric pressure than a first threshold value. The negative-pressure-supplier controller is configured to stop the negative pressure supplier when at least two output values of the output values of the negative pressure sensors become nearer to a vacuum than a second threshold value.Type: ApplicationFiled: August 8, 2016Publication date: March 30, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshihide SEKIYA, Yasushi MURAYAMA, Shoji OZAKI
-
Patent number: 8064810Abstract: An image forming apparatus includes first and second image bearing members on which toner images are to be formed, a conveying member, and a conveying member position index detecting device for detecting a conveying member position index provided on the conveying member. The apparatus also includes an image bearing member position index detecting device for detecting image bearing member position indices provided on the second image bearing member, an adjusting device for adjusting a rotational speed of the second image bearing member, and a controller for controlling the adjusting device so as to adjust a position of an image bearing member position index correspondingly to the conveying member position index, on the basis of detection results of the conveying member position index detecting device and the image bearing member position index detecting device.Type: GrantFiled: November 5, 2008Date of Patent: November 22, 2011Assignee: Canon Kabushiki KaishaInventors: Ichiro Okumura, Makoto Shihoh, Yasushi Murayama, Kosuke Fujimoto, Isao Hayashi, Yoshihiro Shigemura, Katsumasa Nishikawa, Masaaki Naoi, Shinji Yamamoto, Hiroshi Ito
-
Patent number: 7735958Abstract: An ink jet recording apparatus for effecting recording on a recording material by ejecting ink from an array of ejection outlets provided in an ejection side surface of a recording head, includes a cleaning mechanism, including an absorbing member for absorbing and removing the ink deposited on the ejection side surface, for cleaning the ejection side surface by moving the absorbing member in contact with the ejection side surface in a direction in which the array of the ejection outlets extends; wherein the absorbing member comprises a plurality of absorbing materials having average pore sizes different from each other and contacted with each, and an absorbing material having a larger average pore size is contacted to the ejection outlet to absorb the ink.Type: GrantFiled: November 6, 2006Date of Patent: June 15, 2010Assignee: Canon Kabushiki KaishaInventor: Yasushi Murayama
-
Patent number: 7681973Abstract: In manufacturing a long ink jet print head in which a plurality of chips are arranged, a decrease in yield resulting from inappropriate arrangement of the chips can be suppressed and high-quality images can be printed. An image corresponding to the joining portion between adjacent chips is printed by using, as overlapping nozzles, those of the nozzles located in the joining portion which are selected on the basis of the amount of misalignment between chips.Type: GrantFiled: June 1, 2006Date of Patent: March 23, 2010Assignee: Canon Kabushiki KaishaInventors: Ayako Uji, Yasushi Murayama
-
Publication number: 20090123197Abstract: An image forming apparatus includes first and second image bearing members on which a toner images are to be formed; a conveying member onto which the toner images are to be transferred; a conveying member position index detecting device for detecting a conveying member position index provided on the conveying member along the movement direction of the conveying member; an image bearing member position index detecting device for detecting the image bearing member position indices provided on the second image bearing member along a rotational direction of the second image bearing member; an adjusting device for adjusting a rotational speed of the second image bearing member; a controller for controlling the adjusting device so as to adjust a position of an image bearing member position index correspondingly to the conveying member position index, on the basis of detection results of the conveying member position index detecting device and the image bearing member position index detecting device; and an initialType: ApplicationFiled: November 5, 2008Publication date: May 14, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Ichiro Okumura, Makoto Shihoh, Yasushi Murayama, Kosuke Fujimoto, Isao Hayashi, Yoshihiro Shigemura, Katsumasa Nishikawa, Masaaki Naoi, Shinji Yamamoto, Hiroshi Ito
-
Publication number: 20080012896Abstract: An ink jet recording apparatus for effecting recording on a recording material by ejecting ink from an array of ejection outlets provided in an ejection side surface of a recording head, includes a cleaning mechanism, including an absorbing member for absorbing and removing the ink deposited on the ejection side surface, for cleaning the ejection side surface by moving the absorbing member in contact with the ejection side surface in a direction in which the array of the ejection outlets extends; wherein the absorbing member comprises a plurality of absorbing materials having average pore sizes different from each other and contacted with each, and an absorbing material having a larger average pore size is contacted to the ejection outlet to absorb the ink.Type: ApplicationFiled: November 6, 2006Publication date: January 17, 2008Applicant: CANON KABUSHIKI KAISHAInventor: Yasushi MURAYAMA
-
Patent number: 7252361Abstract: An apparatus is capable of securely cleaning foreign matter, such as ink, attached to a discharge port surface with good efficiency, even in the case of a broad discharge port surface such as in a full-line type apparatus, and capable of preventing a discharge defect of the ink or deviation in a discharge direction, so as to perform satisfactory recording. The apparatus includes: an absorbing roller, formed of a rotatable roller-shaped porous absorbing material, for wiping/removing foreign matter, such as ink, attached to a discharge port surface, and wipers, formed of plate-shaped rubber-like elastic materials, for sweeping/removing the foreign matter attached to the discharge port surface. The absorbing roller is moved ahead when both the absorbing roller and the wiper are brought into contact with the discharge port surface and moved in an arrangement direction of discharge ports along the discharge port surface.Type: GrantFiled: June 28, 2004Date of Patent: August 7, 2007Assignee: Canon Kabushiki KaishaInventors: Katsumasa Nishikawa, Yasushi Murayama
-
Patent number: 7237659Abstract: A disk brake is disclosed that has a shim between a brake pad and a pressuring element for pressing the brake pad against a disk rotor. The disk brake includes a stopper portion for stopping movement of the shim 70 with respect to the brake pad 50, wherein a point of action on the shim the stopper portion acts on is provided at the downstream side in a rotating direction of the disk rotor 14 with respect to a point of action on the shim the pressuring element acts on.Type: GrantFiled: January 31, 2005Date of Patent: July 3, 2007Assignee: Toyota Jidosha Kabushiki KaishaInventor: Yasushi Murayama
-
Patent number: 7152500Abstract: A parking brake pedal structure is disclosed, wherein a parking brake pedal comprises a pedal arm and a pedal pad mounted at an end portion of the pedal arm. The pedal arm includes an arm body and an arm end portion for mounting the pedal pad thereon. The arm end portion includes a pad mounting upper portion for mounting the pedal bad thereon and a pad mounting side portion for mounting the pedal pad side portion of the pedal pad thereon. The pad mounting side portion is provided with a protruding portion which laterally protrudes to the same height as the thickness of the pedal pad side portion. The protruding portion advantageously prevents the driver's foot from being caught by the pedal pad side portion of the pedal pad. Therefore, it hardly occurs that the driver's foot is caught by the pedal pad.Type: GrantFiled: November 18, 2003Date of Patent: December 26, 2006Assignee: Advics Co., Ltd.Inventors: Kazunari Kanbe, Satoshi Tokuyama, Nobutomo Higashi, Yasushi Murayama
-
Publication number: 20060274100Abstract: In manufacturing a long ink jet print head in which a plurality of chips are arranged, the present invention can suppress a decrease in yield resulting from the inappropriate arrangement of the chips and enables high-quality images to be printed. To achieve this, the present invention prints an image corresponding to the joining portion between adjacent chips by using, as overlapping nozzles, those of the nozzles located in the joining portion which are selected on the basis of the amount of misalignment between chips.Type: ApplicationFiled: June 1, 2006Publication date: December 7, 2006Applicant: CANON KABUSHIKI KAISHAInventors: Ayako Uji, Yasushi Murayama
-
Publication number: 20050194223Abstract: A disk brake is disclosed that has a shim between a brake pad and a pressuring element for pressing the brake pad against a disk rotor. The disk brake includes a stopper portion for stopping movement of the shim 70 with respect to the brake pad 50, wherein a point of action on the shim the stopper portion acts on is provided at the downstream side in a rotating direction of the disk rotor 14 with respect to a point of action on the shim the pressuring element acts on.Type: ApplicationFiled: January 31, 2005Publication date: September 8, 2005Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yasushi Murayama
-
Publication number: 20050007412Abstract: There is disclosed an apparatus capable of securely cleaning foreign matters such as ink attached to a discharge port surface with good efficiency even with respect to a broad discharge port surface as in recording means of a full-line type and capable of preventing a discharge defect of the ink or deviation in a discharge direction to perform satisfactory recording. The apparatus includes: an absorbing roller, formed of a rotatable roller-shaped porous absorbing material, for wiping/removing foreign matters such as ink attached to a discharge port surface; and wipers formed of plate-shaped rubber-like elastic materials, for sweeping/removing the foreign matters such as the ink attached to the discharge port surface, and the absorbing roller is moved ahead, when both the absorbing roller and the wiper are brought into contact with the discharge port surface and moved in an arrangement direction of discharge ports along the discharge port surface.Type: ApplicationFiled: June 28, 2004Publication date: January 13, 2005Applicant: Canon Kabushiki KaishaInventors: Katsumasa Nishikawa, Yasushi Murayama
-
Publication number: 20040144199Abstract: A parking brake pedal structure is disclosed, wherein a parking brake pedal comprises a pedal arm and a pedal pad mounted at an end portion of the pedal arm. The pedal arm includes an arm body and an arm end portion for mounting the pedal pad thereon. The arm end portion includes a pad mounting upper portion for mounting the pedal bad thereon and a pad mounting side portion for mounting the pedal pad side portion of the pedal pad thereon. The pad mounting side portion is provided with a swelling portion which laterally protrudes to the same height as the thickness of the pedal pad side portion. The swelling portion advantageously prevents the driver's foot from being caught by the pedal pad side portion of the pedal pad. Therefore, it hardly occurs that the driver's foot is caught by the pedal pad.Type: ApplicationFiled: November 18, 2003Publication date: July 29, 2004Applicant: ADVICS CO., LTD.Inventors: Kazunari Kanbe, Satoshi Tokuyama, Nobutomo Higashi, Yasushi Murayama
-
Patent number: 6499841Abstract: A cleaning apparatus and method for removing a recording ink from a surface of a recording material conveying belt of a recording apparatus. The method includes the steps of contacting a blade member to a surface of the recording material conveying belt and contacting an ink absorber member to a surface of the recording material conveying belt, thus removing from the belt surface an improper discharge of recording ink.Type: GrantFiled: November 2, 2000Date of Patent: December 31, 2002Assignee: Canon Kabushiki KaishaInventors: Takashi Uchida, Tomohiro Aoki, Tohru Kobayashi, Masatoshi Ikkatai, Yasushi Murayama, Tatsuo Mitomi, Masaharu Nemura, Yasuyuki Takanaka