Patents by Inventor Takayoshi Muramatsu

Takayoshi Muramatsu 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: 11293316
    Abstract: There is provided a muffler structure of a saddle-type vehicle. The muffler structure is disposed at a downstream side of an exhaust pipe extending from an exhaust port of a cylinder head. A pipe is connected to the exhaust pipe and inserted into a muffler main body. The pipe is provided with an expansion chamber having an inner diameter that is larger than an inner diameter of the exhaust pipe. At least a part of the expansion chamber is disposed in the muffler main body, and a plurality of through holes are formed on an outer peripheral surface of the expansion chamber disposed in the muffler main body.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: April 5, 2022
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi Muramatsu, Takanori Chino
  • Patent number: 11193404
    Abstract: There is provided a muffler structure of a saddle-type vehicle. The muffler structure is disposed at a downstream side of an exhaust pipe extending from an exhaust port of a cylinder head. A pipe is connected to the exhaust pipe and inserted into a muffler main body. The muffler main body includes a cylindrical portion and a reduced diameter portion joined to a downstream side end portion of the cylindrical portion and having a diameter reduced toward the downstream side thereof. The pipe includes a center pipe passing through the cylindrical portion, and a tail pipe disposed in the reduced diameter portion. An expansion chamber is formed by a space in the reduced diameter portion in the vicinity of the tail pipe.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: December 7, 2021
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi Muramatsu, Takanori Chino
  • Patent number: 11149619
    Abstract: An installation structure of an exhaust gas sensor includes: two exhaust pipes on a downstream side of a multi-cylinder engine; a collecting pipe configured to collect the two exhaust pipes; and an exhaust gas sensor installed in the collecting pipe. Outlets of the two exhaust pipes are connected to the collecting pipe so as to be adjacent to each other. In the collecting pipe, the exhaust gas sensor is installed at a position away from the outlets of the two exhaust pipes in a direction orthogonal to a direction in which the outlets of the two exhaust pipes are adjacent to each other in a sectional view.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: October 19, 2021
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi Muramatsu, Noriko Oshiro
  • Publication number: 20210200423
    Abstract: Provided is an information processing apparatus including: a first information acquisition unit configured to acquire first information indicating behavior of at least one user; a second information acquisition unit configured to acquire second information on the at least one user, the second information being different from the first information; and a display control unit configured to display, in a display unit, a user object which is configured based on the first information and represents the corresponding at least one user and a virtual space which is configured based on the second information and in which the user object are arranged.
    Type: Application
    Filed: March 11, 2021
    Publication date: July 1, 2021
    Applicants: Sony Corporation, So-Net Corporation
    Inventors: Masatomo KURATA, Hideyuki ONO, Sota MATSUZAWA, Akikazu TAKEUCHI, Takayoshi MURAMATSU
  • Patent number: 10969924
    Abstract: Provided is an information processing apparatus including: a first information acquisition unit configured to acquire first information indicating behavior of at least one user; a second information acquisition unit configured to acquire second information on the at least one user, the second information being different from the first information; and a display control unit configured to display, in a display unit, a user object which is configured based on the first information and represents the corresponding at least one user and a virtual space which is configured based on the second information and in which the user object are arranged.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: April 6, 2021
    Assignees: SONY CORPORATION, SO-NET CORPORATION
    Inventors: Masatomo Kurata, Hideyuki Ono, Sota Matsuzawa, Akikazu Takeuchi, Takayoshi Muramatsu
  • Patent number: 10907525
    Abstract: A vehicle exhaust device includes a muffler body that has an interior space divided into a plurality of expansion chambers by a partition wall, and an exhaust control valve that switches an exhaust passage in the muffler body. The exhaust passage includes a first exhaust passage and a second exhaust passage. The first exhaust passage connects an upstream end and a downstream end of the muffler body straight. The second exhaust passage passes through the plurality of expansion chambers via a connecting pipe that connects the plurality of expansion chambers. A center of the first exhaust passage is located above a center of the muffler body in a vehicle upper-lower direction, and the second exhaust passage is located below the first exhaust passage.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: February 2, 2021
    Assignee: SUZUKI MOTOR CORPORATION
    Inventor: Takayoshi Muramatsu
  • Publication number: 20210010408
    Abstract: An installation structure of an exhaust gas sensor includes: two exhaust pipes on a downstream side of a multi-cylinder engine; a collecting pipe configured to collect the two exhaust pipes; and an exhaust gas sensor installed in the collecting pipe. Outlets of the two exhaust pipes are connected to the collecting pipe so as to be adjacent to each other. In the collecting pipe, the exhaust gas sensor is installed at a position away from the outlets of the two exhaust pipes in a direction orthogonal to a direction in which the outlets of the two exhaust pipes are adjacent to each other in a sectional view.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 14, 2021
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi MURAMATSU, Noriko OSHIRO
  • Publication number: 20200123945
    Abstract: There is provided a muffler structure of a saddle-type vehicle. The muffler structure is disposed at a downstream side of an exhaust pipe extending from an exhaust port of a cylinder head. A pipe is connected to the exhaust pipe and inserted into a muffler main body. The muffler main body includes a cylindrical portion and a reduced diameter portion joined to a downstream side end portion of the cylindrical portion and having a diameter reduced toward the downstream side thereof. The pipe includes a center pipe passing through the cylindrical portion, and a tail pipe disposed in the reduced diameter portion. An expansion chamber is formed by a space in the reduced diameter portion in the vicinity of the tail pipe.
    Type: Application
    Filed: September 26, 2019
    Publication date: April 23, 2020
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi MURAMATSU, Takanori CHINO
  • Publication number: 20200123954
    Abstract: There is provided an exhaust device. An exhaust pipe is connected to an engine for a vehicle. A chamber is connected to a downstream side of the exhaust pipe. At least two catalysts arranged in a vehicle front-rear direction in the chamber. A connection pipe connects the two catalysts with each other. The connection pipe is provided with punching holes.
    Type: Application
    Filed: September 3, 2019
    Publication date: April 23, 2020
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi MURAMATSU, Tetsuji TAKEDA
  • Publication number: 20200123947
    Abstract: There is provided a muffler structure of a saddle-type vehicle. The muffler structure is disposed at a downstream side of an exhaust pipe extending from an exhaust port of a cylinder head. A pipe is connected to the exhaust pipe and inserted into a muffler main body. The pipe is provided with an expansion chamber having an inner diameter that is larger than an inner diameter of the exhaust pipe. At least a part of the expansion chamber is disposed in the muffler main body, and a plurality of through holes are formed on an outer peripheral surface of the expansion chamber disposed in the muffler main body.
    Type: Application
    Filed: September 25, 2019
    Publication date: April 23, 2020
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi Muramatsu, Takanori Chino
  • Patent number: 10619542
    Abstract: There is provided an exhaust device. An exhaust pipe is connected to an engine for a vehicle. A chamber is connected to a downstream side of the exhaust pipe. At least two catalysts arranged in a vehicle front-rear direction in the chamber. A connection pipe connects the two catalysts with each other. The connection pipe is provided with punching holes.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: April 14, 2020
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi Muramatsu, Tetsuji Takeda
  • Patent number: 10364755
    Abstract: An exhaust control device for engine configures an exhaust system by joining exhaust pipes at a collecting pipe. The exhaust pipes are coupled to a plurality of respective cylinders. At least two types of exhaust valves are configured to perform an exhaust control at different parts in the exhaust system. The exhaust control device for engine includes first exhaust valves, a second exhaust valve, and an actuator. The first exhaust valves are mounted to a plurality of communicating pipes and communicating the predetermined exhaust pipes. The second exhaust valve is mounted to the collecting pipe. The actuator is configured to drive to open and close the second exhaust valve. The first exhaust valves are configured to be driven to open and close corresponding to an actuating region of the second exhaust valve.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: July 30, 2019
    Assignee: SUZUKI MOTOR CORPORATION
    Inventor: Takayoshi Muramatsu
  • Publication number: 20190136739
    Abstract: A vehicle exhaust device includes a muffler body that has an interior space divided into a plurality of expansion chambers by a partition wall, and an exhaust control valve that switches an exhaust passage in the muffler body. The exhaust passage includes a first exhaust passage and a second exhaust passage. The first exhaust passage connects an upstream end and a downstream end of the muffler body straight. The second exhaust passage passes through the plurality of expansion chambers via a connecting pipe that connects the plurality of expansion chambers. A center of the first exhaust passage is located above a center of the muffler body in a vehicle upper-lower direction, and the second exhaust passage is located below the first exhaust passage.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 9, 2019
    Applicant: SUZUKI MOTOR CORPORATION
    Inventor: Takayoshi MURAMATSU
  • Patent number: 10233853
    Abstract: An exhaust gas sensor arrangement structure includes a catalyst which purifies exhaust gas of an engine; and exhaust gas sensors which detect an exhaust gas component of the engine; the catalyst is provided under the engine; and the exhaust gas sensors are provided within a width of the engine in a front/rear direction so that the catalyst is provided between the exhaust gas sensors at front and rear sides of the catalyst.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: March 19, 2019
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi Muramatsu, Takaaki Nakashio
  • Patent number: 9863328
    Abstract: An exhaust pipe valve system of an internal combustion engine includes: a plurality of exhaust pipe valves; and an actuator unit being an operation unit which performs an opening/closing operation of the exhaust pipe valves, wherein: the operation unit includes a first pulley and a second pulley being at least two operation parts which are connected to the plural exhaust pipe valves via wire cables respectively to open/close the exhaust pipe valves; and at least one of the operation parts has a non-operating area in which the operation part does not cause the corresponding cable to work in a predetermined operating range of the operation unit.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: January 9, 2018
    Assignee: SUZUKI MOTOR CORPORATION
    Inventor: Takayoshi Muramatsu
  • Publication number: 20170350335
    Abstract: An exhaust gas sensor arrangement structure includes a catalyst which purifies exhaust gas of an engine; and exhaust gas sensors which detect an exhaust gas component of the engine; the catalyst is provided under the engine; and the exhaust gas sensors are provided within a width of the engine in a front/rear direction so that the catalyst is provided between the exhaust gas sensors at front and rear sides of the catalyst.
    Type: Application
    Filed: May 2, 2017
    Publication date: December 7, 2017
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Takayoshi MURAMATSU, Takaaki NAKASHIO
  • Publication number: 20170101939
    Abstract: An exhaust control device for engine configures an exhaust system by joining exhaust pipes at a collecting pipe. The exhaust pipes are coupled to a plurality of respective cylinders. At least two types of exhaust valves are configured to perform an exhaust control at different parts in the exhaust system. The exhaust control device for engine includes first exhaust valves, a second exhaust valve, and an actuator. The first exhaust valves are mounted to a plurality of communicating pipes and communicating the predetermined exhaust pipes. The second exhaust valve is mounted to the collecting pipe. The actuator is configured to drive to open and close the second exhaust valve. The first exhaust valves are configured to be driven to open and close corresponding to an actuating region of the second exhaust valve.
    Type: Application
    Filed: October 4, 2016
    Publication date: April 13, 2017
    Applicant: SUZUKI MOTOR CORPORATION
    Inventor: Takayoshi MURAMATSU
  • Publication number: 20160069278
    Abstract: An exhaust pipe valve system of an internal combustion engine includes: a plurality of exhaust pipe valves; and an actuator unit being an operation unit which performs an opening/closing operation of the exhaust pipe valves, wherein: the operation unit includes a first pulley and a second pulley being at least two operation parts which are connected to the plural exhaust pipe valves via wire cables respectively to open/close the exhaust pipe valves; and at least one of the operation parts has a non-operating area in which the operation part does not cause the corresponding cable to work in a predetermined operating range of the operation unit.
    Type: Application
    Filed: September 1, 2015
    Publication date: March 10, 2016
    Applicant: SUZUKI MOTOR CORPORATION
    Inventor: Takayoshi MURAMATSU
  • Publication number: 20150365449
    Abstract: Provided is an information processing apparatus including: a first information acquisition unit configured to acquire first information indicating behavior of at least one user; a second information acquisition unit configured to acquire second information on the at least one user, the second information being different from the first information; and a display control unit configured to display, in a display unit, a user object which is configured based on the first information and represents the corresponding at least one user and a virtual space which is configured based on the second information and in which the user object are arranged.
    Type: Application
    Filed: January 8, 2014
    Publication date: December 17, 2015
    Applicants: SONY CORPORATION, SO-NET CORPORATION
    Inventors: Masatomo KURATA, Hideyuki ONO, Sota MATSUZAWA, Akikazu TAKEUCHI, Takayoshi MURAMATSU
  • Patent number: 8607916
    Abstract: A vehicle shroud can have an opening formed so as to extend in a substantially front-to-rear direction. A substantially horizontal portion of a front fender of the vehicle can be located frontward of the opening. The vehicle can be a motorcycle, for example.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: December 17, 2013
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Takane Mitomi, Satoshi Oohashi, Takayoshi Muramatsu