Patents by Inventor Kazunori Hirabayashi
Kazunori Hirabayashi 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: 11958170Abstract: An impact tool includes: a brushless motor; a spindle, which is rotated by the brushless motor; a hammer, which is held on the spindle; an anvil, which is impacted in a rotational direction by the hammer; a polymer housing, which houses the brushless motor; a hammer case, which is connected to the polymer housing and houses the hammer and the spindle; and a light unit, which is held on the hammer case and comprises a plurality of light-emitting devices. The maximum tightening torque of the anvil is 1,000 N·m or more and 2,500 N·m or less.Type: GrantFiled: November 30, 2022Date of Patent: April 16, 2024Assignee: MAKITA CORPORATIONInventors: Tokuo Hirabayashi, Haruki Tejima, Kazuma Aoki, Kazunori Kinoshita
-
Patent number: 11195526Abstract: According to one embodiment, an indication management device includes voice acquisition means, indication recognition means, importance degree determination means, and output control means. The voice acquisition means acquires a voice which is input by a voice input terminal. The indication recognition means recognizes details of an indication from the voice acquired by the voice acquisition means. The importance degree determination means determines a degree of importance of the indication from the voice acquired by the voice acquisition means. The output control means controls output of indication details to an output device in accordance with the degree of importance determined by the importance degree determination means.Type: GrantFiled: July 29, 2019Date of Patent: December 7, 2021Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Kazunori Hirabayashi, Kazuhiro Ogura, Ryuichi Aoyama, Koji Nagai, Toshinori Fukuta
-
Patent number: 10711751Abstract: A fuel supply system for an engine having a plurality of cylinders is provided, which includes a plurality of fuel injection valves configured to inject fuel into the cylinders in a given order, a first distribution pipe configured to distributingly supply fuel to some of the plurality of fuel injection valves of which the fuel injection orders are not successive in the given order, a second distribution pipe configured to distributingly supply fuel to a remainder of the plurality of fuel injection valves of which the fuel injection orders are not successive in the given order, a fuel pump part configured to discharge fuel, a first feed pipe connecting a first discharge part of the fuel pump part with the first distribution pipe, and a second feed pipe connecting a second discharge part of the fuel pump part and the second distribution pipe.Type: GrantFiled: December 13, 2018Date of Patent: July 14, 2020Assignee: Mazda Motor CorporationInventors: Kazunori Hirabayashi, Hirohisa Shirai, Hiroshi Komatsu, Shinichiro Tagami, Hiroshi Sumimoto
-
Publication number: 20200200135Abstract: A cavity provided at a crown surface of a piston includes a first cavity section provided in a central area in a radial direction, a second cavity section provided outside the first cavity section, and a lip provided to connect the first-and-second cavity sections. Plural injection holes of an injector include a first injection-hole group where plural first injection holes directed toward a part close to the piston in a cylinder-axis direction are provided in a ring shape and a second injection-hole group where plural second injection holes directed toward a part close to a ceiling surface of a combustion chamber in the cylinder-axis direction are provided in the ring shape. The first injection-hole group and the second injection-hole group are positioned so as to inject fuel toward the lip concurrently.Type: ApplicationFiled: October 4, 2019Publication date: June 25, 2020Applicant: MAZDA MOTOR CORPORATIONInventors: Sangkyu KIM, Takashi SUMIMOTO, Shintaro OKADA, Daisuke SHIMO, Tomoyuki KANDA, Shinichiro TAGAMI, Kazunori HIRABAYASHI
-
Publication number: 20200143803Abstract: According to one embodiment, an indication management device includes voice acquisition means, indication recognition means, importance degree determination means, and output control means. The voice acquisition means acquires a voice which is input by a voice input terminal. The indication recognition means recognizes details of an indication from the voice acquired by the voice acquisition means. The importance degree determination means determines a degree of importance of the indication from the voice acquired by the voice acquisition means. The output control means controls output of indication details to an output device in accordance with the degree of importance determined by the importance degree determination means.Type: ApplicationFiled: July 29, 2019Publication date: May 7, 2020Inventors: Kazunori Hirabayashi, Kazuhiro Ogura, Ryuichi Aoyama, Koji Nagai, Toshinori Fukuta
-
Patent number: 10634758Abstract: In accordance with an embodiment, a positioning apparatus comprises a first interface and a processor. The first interface receives a positioning signal. The processor sets an interval for searching the positioning signal with a first interface to a first searching interval, sets the interval for searching the positioning signal to a second searching interval which is shorter than the first searching interval if it is determined that the positioning signal is received through searching in the first searching interval and uses the positioning signal received through searching in the second searching interval to specify a position of the positioning apparatus.Type: GrantFiled: June 27, 2018Date of Patent: April 28, 2020Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Shigeo Uchida, Akihiko Fujiwara, Mika Hirama, Kazunori Hirabayashi, Koji Nagai
-
Patent number: 10570808Abstract: A control system of an engine is provided, which includes a piston formed with a cavity and configured to reciprocate in a cylinder along a center axis of the cylinder, and a fuel injector disposed facing a top surface of the piston and configured to inject fuel along an injection axis. When the piston is located near a top dead center of compression stroke, the fuel injector performs a first injection so that the fuel flows from the fuel injector toward the cavity along the injection axis, collides with an inner surface of the cavity, then flows back toward the fuel injector along the inner surface of the cavity from a position offset from the injection axis. The fuel injector performs a second injection toward the cavity at a timing after the first injection and at which the fuel of the first injection flows back.Type: GrantFiled: May 7, 2018Date of Patent: February 25, 2020Assignee: Mazda Motor CorporationInventors: Daisuke Fukuda, Akira Taguchi, Hiroshi Minamoto, Naotoshi Shirahashi, Yudai Kato, Yoshie Kakuda, Yasuyuki Sagane, Sangkyu Kim, Daisuke Shimo, Kazunori Hirabayashi
-
Publication number: 20190242348Abstract: A fuel supply system for an engine having a plurality of cylinders is provided, which includes a plurality of fuel injection valves configured to inject fuel into the cylinders in a given order, a first distribution pipe configured to distributingly supply fuel to some of the plurality of fuel injection valves of which the fuel injection orders are not successive in the given order, a second distribution pipe configured to distributingly supply fuel to a remainder of the plurality of fuel injection valves of which the fuel injection orders are not successive in the given order, a fuel pump part configured to discharge fuel, a first feed pipe connecting a first discharge part of the fuel pump part with the first distribution pipe, and a second feed pipe connecting a second discharge part of the fuel pump part and the second distribution pipe.Type: ApplicationFiled: December 13, 2018Publication date: August 8, 2019Inventors: Kazunori Hirabayashi, Hirohisa Shirai, Hiroshi Komatsu, Shinichiro Tagami, Hiroshi Sumimoto
-
Patent number: 10167797Abstract: A control system of an engine is provided, which controls, by using a tumble flow, a behavior of fuel that is directly injected into a combustion chamber formed inside a cylinder of the engine. The control system includes a fuel injector for directly injecting the fuel into the combustion chamber, a tumble flow generator for generating the tumble flow within the combustion chamber, an ignition timing control module for controlling an ignition plug to ignite after a top dead center on compression stroke of the cylinder in a cold state of the engine, and a fuel injector control module for controlling the fuel injector to inject the fuel at an intake-stroke injection timing, a compression-stroke-early-half injection timing, and a compression-stroke-latter-half injection timing. The fuel injector control module controls the fuel injector to inject the fuel toward a vortex center of the tumble flow at the compression-stroke-early-half injection timing.Type: GrantFiled: June 1, 2016Date of Patent: January 1, 2019Assignee: Mazda Motor CorporationInventors: Tomomi Watanabe, Nobuo Takeuchi, Yuya Honda, Kazunori Hirabayashi
-
Publication number: 20180340488Abstract: A control system of an engine is provided, which includes a piston formed with a cavity and configured to reciprocate in a cylinder along a center axis of the cylinder, and a fuel injector disposed facing a top surface of the piston and configured to inject fuel along an injection axis. When the piston is located near a top dead center of compression stroke, the fuel injector performs a first injection so that the fuel flows from the fuel injector toward the cavity along the injection axis, collides with an inner surface of the cavity, then flows back toward the fuel injector along the inner surface of the cavity from a position offset from the injection axis. The fuel injector performs a second injection toward the cavity at a timing after the first injection and at which the fuel of the first injection flows back.Type: ApplicationFiled: May 7, 2018Publication date: November 29, 2018Inventors: Daisuke Fukuda, Akira Taguchi, Hiroshi Minamoto, Naotoshi Shirahashi, Yudai Kato, Yoshie Kakuda, Yasuyuki Sagane, Sangkyu Kim, Daisuke Shimo, Kazunori Hirabayashi
-
Publication number: 20180306892Abstract: In accordance with an embodiment, a positioning apparatus comprises a first interface and a processor. The first interface receives a positioning signal. The processor sets an interval for searching the positioning signal with a first interface to a first searching interval, sets the interval for searching the positioning signal to a second searching interval which is shorter than the first searching interval if it is determined that the positioning signal is received through searching in the first searching interval and uses the positioning signal received through searching in the second searching interval to specify a position of the positioning apparatus.Type: ApplicationFiled: June 27, 2018Publication date: October 25, 2018Inventors: Shigeo Uchida, Akihiko Fujiwara, Mika Hirama, Kazunori Hirabayashi, Koji Nagai
-
Patent number: 10036798Abstract: In accordance with an embodiment, a positioning apparatus comprises a first interface and a processor. The first interface receives a positioning signal. The processor sets an interval for searching the positioning signal with a first interface to a first searching interval, sets the interval for searching the positioning signal to a second searching interval which is shorter than the first searching interval if it is determined that the positioning signal is received through searching in the first searching interval and uses the positioning signal received through searching in the second searching interval to specify a position of the positioning apparatus.Type: GrantFiled: March 23, 2017Date of Patent: July 31, 2018Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Shigeo Uchida, Akihiko Fujiwara, Mika Hirama, Kazunori Hirabayashi, Koji Nagai
-
Patent number: 9897059Abstract: A diesel engine includes a piston, a cylinder head, and a fuel injector. The fuel injector has a valve body with bored nozzle holes in its tip part. A cavity having a circular shape in plan view is formed in a crown surface of the piston to concave to the counter cylinder head side. A wall surface constituting the cavity has a central ridge portion bulging toward the fuel injector while bulging larger toward the center of the cavity, a periphery concave portion formed radially outward of the central ridge portion to concave radially outward, and a lip portion formed between the periphery concave portion and the crown surface to convex radially inward. A lip radius R, a nozzle hole length L, a nozzle hole diameter D, and a bore radius B are designed to satisfy the following equation: 99.4D×(1?3D)×(L+2.7)?R?min{237.1D×(1?3D)×(0.8L+1),2B/3}.Type: GrantFiled: May 22, 2015Date of Patent: February 20, 2018Assignee: Mazda Motor CorporationInventors: Daisuke Shimo, Sangkyu Kim, Kazunori Hirabayashi, Makoto Namba, Masahiro Miyazaki, Yudai Kato
-
Patent number: 9807133Abstract: In accordance with one embodiment, a notification control apparatus comprises an interface and a control section. The interface receives first information sent from a terminal held by a user. The control section calculates, based on the information received by the interface, a distance from the notification control apparatus to the terminal held by the user, and carries out a control to send reply information to the terminal held by the user if the distance is within a given range, and not to send reply information if the distance is out of the given range.Type: GrantFiled: June 30, 2014Date of Patent: October 31, 2017Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventor: Kazunori Hirabayashi
-
Patent number: 9567933Abstract: An alternator configured to acquire a motive force from an engine to generate electricity and a capacitor capable of storing therein the electricity generated by the alternator are provided. An electricity consumption amount required during learning is calculated, and a capacitor electricity amount is compared with the calculated electricity consumption amount, and when the capacitor electricity amount is equal to or less than the calculated electricity consumption amount, the alternator is operated to generate electricity until the capacitor electricity amount is increased beyond the calculated electricity consumption amount.Type: GrantFiled: March 21, 2013Date of Patent: February 14, 2017Assignee: MAZDA MOTOR CORPORATIONInventors: Kazunori Hirabayashi, Naoya Mitsuishi, Shingo Okamoto, Masahiro Tateishi, Toshihiro Kamimura, Issei Oiso, Yoshiaki Enseki
-
Publication number: 20160356229Abstract: A control system of an engine is provided, which controls, by using a tumble flow, a behavior of fuel that is directly injected into a combustion chamber formed inside a cylinder of the engine. The control system includes a fuel injector for directly injecting the fuel into the combustion chamber, a tumble flow generator for generating the tumble flow within the combustion chamber, an ignition timing control module for controlling an ignition plug to ignite after a top dead center on compression stroke of the cylinder in a cold state of the engine, and a fuel injector control module for controlling the fuel injector to inject the fuel at an intake-stroke injection timing, a compression-stroke-early-half injection timing, and a compression-stroke-latter-half injection timing. The fuel injector control module controls the fuel injector to inject the fuel toward a vortex center of the tumble flow at the compression-stroke-early-half injection timing.Type: ApplicationFiled: June 1, 2016Publication date: December 8, 2016Inventors: Tomomi Watanabe, Nobuo Takeuchi, Yuya Honda, Kazunori Hirabayashi
-
Publication number: 20160356230Abstract: A control system of an engine is provided, which controls, by using a tumble flow, a behavior of fuel that is directly injected into a combustion chamber formed inside a cylinder of the engine. The control system includes a fuel injector for directly injecting the fuel into the combustion chamber, a tumble flow generator for generating the tumble flow within the combustion chamber, an ignition timing control module for controlling an ignition timing of an ignition plug of the engine, and a fuel injector control module for controlling the fuel injector to inject the fuel at an intake-stroke-early-half injection timing, an intake-stroke-latter-half injection timing, and a compression-stroke-early-half injection timing when the ignition timing is controlled by the ignition timing control module to be before a top dead center of the compression stroke in a cold state of the engine.Type: ApplicationFiled: June 1, 2016Publication date: December 8, 2016Inventors: Tomomi Watanabe, Kazunori Hirabayashi, Shigeyuki Hirashita, Michiharu Kawano
-
Publication number: 20160342375Abstract: In accordance with an embodiment, a display control apparatus controls displays of a display device for displaying content, a portable terminal device held by a customer and a stationary terminal device installed in a fixed manner nearby the display device in a system environment in which the display device, the portable terminal device and the stationary terminal device are connected in a coexistence situation. The display control apparatus includes a display control section and a communication section. The display control section generates display data of different display screens for the portable terminal device and the stationary terminal device. The communication section sends the generated display data to a corresponding terminal device.Type: ApplicationFiled: May 19, 2016Publication date: November 24, 2016Inventors: Kazunori Hirabayashi, Akihiko Fujiwara, Mika Hirama, Shigeo Uchida
-
Patent number: 9348547Abstract: A document distribution server includes a first communication interface that receives printing data corresponding to a document, a processor that generates image data corresponding to the document, based on the received printing data, a memory that stores the received printing data and the generated image data, and a second communication interface that distributes the generated image data in response to a request for a document which corresponds to the generated image data stored in the memory.Type: GrantFiled: September 5, 2014Date of Patent: May 24, 2016Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Takahiro Hagiwara, Kazuhiro Ogura, Kazunori Hirabayashi, Akihiro Mizutani, Toshihiro Ida
-
Publication number: 20160070520Abstract: A document distribution server includes a first communication interface that receives printing data corresponding to a document, a processor that generates image data corresponding to the document, based on the received printing data, a memory that stores the received printing data and the generated image data, and a second communication interface that distributes the generated image data in response to a request for a document which corresponds to the generated image data stored in the memory.Type: ApplicationFiled: September 5, 2014Publication date: March 10, 2016Inventors: TAKAHIRO HAGIWARA, Kazuhiro Ogura, Kazunori Hirabayashi, Akihiro Mizutani, Toshihiro Ida