Patents by Inventor Yasushi Miyashita
Yasushi Miyashita 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: 11940347Abstract: A pressure sensor has a stem in which a pressure introduction hole into which a pressure medium is introduced and a diaphragm deformable according to the pressure of the pressure medium are formed, and a strain detecting element which is arranged on the diaphragm via an insulating film and being configured to output a detection signal according to the deformation of the diaphragm. The strain detecting element is configured to have a portion made of polysilicon. A low doping layer having a higher electrical resistivity than polysilicon and a higher crystallinity than the insulating film is arranged between the insulating film and the strain detecting element.Type: GrantFiled: October 22, 2021Date of Patent: March 26, 2024Assignees: DENSO CORPORATION, NAGANO KEIKI CO., LTD.Inventors: Hiroshi Kodama, Naoki Yoshida, Kaori Miyashita, Eiji Takeda, Nobuaki Yamada, Yoshihiro Tomomatsu, Yasushi Yanagisawa, Yusuke Midorikawa, Shirou Kamanaru, Kenichi Yokoyama, Inao Toyoda, Hisayuki Takeuchi, Naohisa Niimi, Masao Takahashi, Yasutake Ura, Kouji Asano, Yukihiro Kamada
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Patent number: 11820479Abstract: A boat propulsion machine includes a power source, a drive shaft, a propeller, a gear mechanism, a gear case, a tank configured to store a cooling liquid for cooling the power source, a heat sink configured to cool the cooling liquid, a cooling liquid passage connecting the power source and the heat sink, and a pump a pump configured to pump the cooling liquid to circulate through the cooling liquid passage. The power source, the tank, and the pump are provided at an upper portion of the boat propulsion machine. The gear case is provided at a lower portion of the boat propulsion machine. The drive shaft extends in an upper-lower direction between the power source and the gear mechanism. The heat sink is provided at a position lower than the power source and higher than the gear case in the boat propulsion machine.Type: GrantFiled: August 16, 2021Date of Patent: November 21, 2023Assignee: SUZUKI MOTOR CORPORATIONInventors: Masatoshi Kimpara, Yasushi Miyashita, Shingo Matsumoto
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Patent number: 11472529Abstract: A center of an actuator that rotates a steering shaft in side view of an outboard engine main body is at an outboard engine main body side from a clamp shaft supported by a clamp bracket and below the clamp shaft, and is further at a clamp shaft side from a steering shaft that is swingably supported by a swivel bracket that swings forward and backward with the outboard engine main body with the clamp shaft as a fulcrum. The center is located at the outboard engine main body side from an upper end mounting shaft where a tilt/trim unit that causes the swivel bracket to swing forward and backward with the clamp shaft as a fulcrum is connected to the swivel bracket and the tilt/trim unit is mounted and above the upper end mounting shaft.Type: GrantFiled: November 3, 2020Date of Patent: October 18, 2022Assignee: SUZUKI MOTOR CORPORATIONInventor: Yasushi Miyashita
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Patent number: 11440110Abstract: According to one implementation, a machining apparatus includes an electromotive saw and an attaching structure. The electromotive saw cuts off a workpiece to be machined. The attaching structure attaches the saw to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a composite material or a honeycomb structure with a cutting tool attached to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a workpiece to be machined with a cutting tool attached to an arm of a robot. The workpiece is processed along a shape of a jig for setting the workpiece. The workpiece is processed with contacting a guide with the jig. The guide is attached to the arm.Type: GrantFiled: November 21, 2019Date of Patent: September 13, 2022Assignees: SUBARU CORPORATION, FUYO JITSUGYO CO. LTD.Inventors: Yuichi Ishikawa, Atsushi Rihei, Shinya Matsuo, Tatsuo Nakahata, Yasuto Nishiwaki, Masao Watanabe, Saichiro Yamashita, Yasushi Miyashita
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Publication number: 20220055728Abstract: A boat propulsion machine includes a power source, a drive shaft, a propeller, a gear mechanism, a gear case, a tank configured to store a cooling liquid for cooling the power source, a heat sink configured to cool the cooling liquid, a cooling liquid passage connecting the power source and the heat sink, and a pump a pump configured to pump the cooling liquid to circulate through the cooling liquid passage. The power source, the tank, and the pump are provided at an upper portion of the boat propulsion machine. The gear case is provided at a lower portion of the boat propulsion machine. The drive shaft extends in an upper-lower direction between the power source and the gear mechanism. The heat sink is provided at a position lower than the power source and higher than the gear case in the boat propulsion machine.Type: ApplicationFiled: August 16, 2021Publication date: February 24, 2022Applicant: SUZUKI MOTOR CORPORATIONInventors: Masatoshi KIMPARA, Yasushi MIYASHITA, Shingo MATSUMOTO
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Patent number: 11186351Abstract: An outboard-motor mounting device is provided with: a clamp bracket (20) to be attached to a stern portion (15) of a hull; a swivel bracket (60) disposed between the clamp bracket and an outboard motor body (1); a trim-tilt equipment (40) that swings the outboard motor body back and forth via the swivel bracket; and a lift equipment (30) that lifts or lowers the outboard motor body via the swivel bracket. The lift equipment having a lift cylinder (33) for lifting is liftably supported on the clamp bracket, and the trim-tilt equipment having a tilt cylinder (44) and a trim cylinder (47) is disposed behind the lift equipment so that the tilt cylinder is positioned behind the lift cylinder and the trim cylinder is positioned on the side of the tilt cylinder.Type: GrantFiled: June 17, 2020Date of Patent: November 30, 2021Assignee: SUZUKI MOTOR CORPORATIONInventor: Yasushi Miyashita
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Patent number: 11156138Abstract: An outboard motor (10) includes a V-engine (20) having a left bank (BL) and a right bank (BR) extending obliquely toward a rear left side and a rear right side, respectively, relative to a crankshaft (21) extending in a vertical direction. An intake device (18) is provided between the left bank and the right bank, and catalyst devices (62L, 62R) that treat exhaust gas are disposed rearward of cylinder heads (24L, 24R) of the left bank and the right bank.Type: GrantFiled: December 18, 2019Date of Patent: October 26, 2021Assignee: SUZUKI MOTOR CORPORATIONInventor: Yasushi Miyashita
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Patent number: 11104408Abstract: There is provided a steering device of an outboard motor to be attached to a boat hull. A swivel bracket to be attached to a side of the boat hull supports a steering shaft to which an outboard motor main body is connected. A steering actuator is disposed above the swivel bracket and the steering actuator generates power in accordance with input from outside. A power transmission mechanism is disposed above the swivel bracket to connect the steering actuator to the steering shaft. The power transmission mechanism transmits the power of the steering actuator to the steering shaft. A cover member is attached to an upper portion of the swivel bracket to cover the steering actuator, the power transmission mechanism, a connection part between the steering actuator and the power transmission mechanism, and a connection part between the power transmission mechanism and the steering shaft.Type: GrantFiled: November 1, 2019Date of Patent: August 31, 2021Assignee: SUZUKI MOTOR CORPORATIONInventor: Yasushi Miyashita
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Publication number: 20210129964Abstract: A center of an actuator that rotates a steering shaft in side view of an outboard engine main body is at an outboard engine main body side from a clamp shaft supported by a clamp bracket and below the clamp shaft, and is further at a clamp shaft side from a steering shaft that is swingably supported by a swivel bracket that swings forward and backward with the outboard engine main body with the clamp shaft as a fulcrum. The center is located at the outboard engine main body side from an upper end mounting shaft where a tilt/trim unit that causes the swivel bracket to swing forward and backward with the clamp shaft as a fulcrum is connected to the swivel bracket and the tilt/trim unit is mounted and above the upper end mounting shaft.Type: ApplicationFiled: November 3, 2020Publication date: May 6, 2021Applicant: SUZUKI MOTOR CORPORATIONInventor: Yasushi MIYASHITA
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Publication number: 20200398963Abstract: An outboard-motor mounting device is provided with: a clamp bracket (20) to be attached to a stern portion (15) of a hull; a swivel bracket (60) disposed between the clamp bracket and an outboard motor body (1); a trim-tilt equipment (40) that swings the outboard motor body back and forth via the swivel bracket; and a lift equipment (30) that lifts or lowers the outboard motor body via the swivel bracket. The lift equipment having a lift cylinder (33) for lifting is liftably supported on the clamp bracket, and the trim-tilt equipment having a tilt cylinder (44) and a trim cylinder (47) is disposed behind the lift equipment so that the tilt cylinder is positioned behind the lift cylinder and the trim cylinder is positioned on the side of the tilt cylinder.Type: ApplicationFiled: June 17, 2020Publication date: December 24, 2020Applicant: SUZUKI MOTOR CORPORATIONInventor: Yasushi MIYASHITA
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Publication number: 20200248602Abstract: An outboard motor (10) includes a V-engine (20) having a left bank (BL) and a right bank (BR) extending obliquely toward a rear left side and a rear right side, respectively, relative to a crankshaft (21) extending in a vertical direction. An intake device (18) is provided between the left bank and the right bank, and catalyst devices (62L, 62R) that treat exhaust gas are disposed rearward of cylinder heads (24L, 24R) of the left bank and the right bank.Type: ApplicationFiled: December 18, 2019Publication date: August 6, 2020Applicant: SUZUKI MOTOR CORPORATIONInventor: Yasushi MIYASHITA
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Publication number: 20200189708Abstract: There is provided a steering device of an outboard motor to be attached to a boat hull. A swivel bracket to be attached to a side of the boat hull supports a steering shaft to which an outboard motor main body is connected. A steering actuator is disposed above the swivel bracket and the steering actuator generates power in accordance with input from outside. A power transmission mechanism is disposed above the swivel bracket to connect the steering actuator to the steering shaft. The power transmission mechanism transmits the power of the steering actuator to the steering shaft. A cover member is attached to an upper portion of the swivel bracket to cover the steering actuator, the power transmission mechanism, a connection part between the steering actuator and the power transmission mechanism, and a connection part between the power transmission mechanism and the steering shaft.Type: ApplicationFiled: November 1, 2019Publication date: June 18, 2020Applicant: SUZUKI MOTOR CORPORATIONInventor: Yasushi MIYASHITA
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Publication number: 20200086406Abstract: According to one implementation, a machining apparatus includes an electromotive saw and an attaching structure. The electromotive saw cuts off a workpiece to be machined. The attaching structure attaches the saw to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a composite material or a honeycomb structure with a cutting tool attached to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a workpiece to be machined with a cutting tool attached to an arm of a robot. The workpiece is processed along a shape of a jig for setting the workpiece. The workpiece is processed with contacting a guide with the jig. The guide is attached to the arm.Type: ApplicationFiled: November 21, 2019Publication date: March 19, 2020Applicants: SUBARU CORPORATION, FUYO JITSUGYO CO. LTD.Inventors: Yuichi ISHIKAWA, Atsushi RIHEI, Shinya MATSUO, Tatsuo NAKAHATA, Yasuto NISHIWAKI, Masao WATANABE, Saichiro YAMASHITA, Yasushi MIYASHITA
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Patent number: 9630697Abstract: [Problem] To perform an assembling operation easily while attaining improvement in engine efficiency. [Solution] An outboard motor 10 according to the invention includes an upstream side duct 42 which is fixed to an engine upper cover 27, and a downstream side duct 43 which is fixed to an engine 14 side. The upstream side duct 42 includes an exhaust port 52 which is opened at its side face. The downstream side duct 43 includes a downstream side lower duct 59 and a downstream side upper duct 60. In the downstream side lower duct 59, a suction port 61 is provided at a position opposed to the exhaust port 52 and separately at a predetermined distance from the exhaust port 52. In the downstream side upper duct 60, an exhaust port formed toward a throttle body 36 of the engine 14 is provided above the downstream side lower duct 59. The upstream side duct 42 and the downstream side duct 43 are formed so as not to interfere with each other when the engine upper cover 27 is moved vertically.Type: GrantFiled: April 9, 2015Date of Patent: April 25, 2017Assignee: SUZUKI MOTOR CORPORATIONInventors: Kenta Yamada, Yasushi Miyashita, Akinori Yamazaki
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Publication number: 20170008102Abstract: According to one implementation, a machining apparatus includes an electromotive saw and an attaching structure. The electromotive saw cuts off a workpiece to be machined. The attaching structure attaches the saw to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a composite material or a honeycomb structure with a cutting tool attached to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a workpiece to be machined with a cutting tool attached to an arm of a robot. The workpiece is processed along a shape of a jig for setting the workpiece. The workpiece is processed with contacting a guide with the jig. The guide is attached to the arm.Type: ApplicationFiled: July 1, 2016Publication date: January 12, 2017Applicants: FUJI JUKOGYO KABUSHIKI KAISHA, FUYO JITSUGYO CO. LTD.Inventors: Yuichi ISHIKAWA, Atsushi RIHEI, Saichiro YAMASHITA, Yasushi MIYASHITA
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Publication number: 20160107738Abstract: [Problem] To perform an assembling operation easily while attaining improvement in engine efficiency. [Solution] An outboard motor 10 according to the invention includes an upstream side duct 42 which is fixed to an engine upper cover 27, and a downstream side duct 43 which is fixed to an engine 14 side. The upstream side duct 42 includes an exhaust port 52 which is opened at its side face. The downstream side duct 43 includes a downstream side lower duct 59 and a downstream side upper duct 60. In the downstream side lower duct 59, a suction port 61 is provided at a position opposed to the exhaust port 52 and separately at a predetermined distance from the exhaust port 52. In the downstream side upper duct 60, an exhaust port formed toward a throttle body 36 of the engine 14 is provided above the downstream side lower duct 59. The upstream side duct 42 and the downstream side duct 43 are formed so as not to interfere with each other when the engine upper cover 27 is moved vertically.Type: ApplicationFiled: April 9, 2015Publication date: April 21, 2016Applicant: SUZUKI MOTOR CORPORATIONInventors: Kenta YAMADA, Yasushi MIYASHITA, Akinori YAMAZAKI
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Patent number: 7503302Abstract: An intake device for outboard motors, which makes it possible to improve intake performance and reduce the size of the device at the same time. Cylinder banks have a plurality of cylinder bores arranged in a vertical direction, and extend rearward to form a V shape. Intake ports of the respective cylinder bores are formed in the cylinder banks to open in the inner sides of the V shape. An intake manifold is connected to the intake ports. A surge tank is connected to the intake manifold. A throttle body is connected to the surge tank. The surge tank comprises a plurality of intake passage members connected to the respective cylinder bores via the intake manifold, wall members provided between respective adjacent ones of the intake passage members, and a lid member configured to hermetically close a space defined by the intake passage members and the wall members.Type: GrantFiled: April 17, 2007Date of Patent: March 17, 2009Assignee: Suzuki Motor CorporationInventors: Yasushi Miyashita, Hiromichi Takewaki, Jun Itoh, Hideo Koyama
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Patent number: 7470162Abstract: A shift system for outboard motors, which is reduced in size, and is capable securing compatibility with an outboard motor of a type for which the shift operation is manually performed using a shift cable. A motor-driven shift actuator is disposed at a location forward of and to the right of an engine within an engine cover covering the engine. A clutch motor is provided for the actuator and disposed at a location rearward thereof, with a motor output shaft disposed in a manner extending forward, and is operated in response to the detected vessel operator's shift. An actuator output shaft is disposed at a location forward of the clutch motor and extends downward from a front part of the actuator. The actuator output shaft rotates in accordance with rotation of the motor output shaft. A clutch shaft is disposed below the actuator and rearward of the actuator output shaft.Type: GrantFiled: April 23, 2007Date of Patent: December 30, 2008Assignee: Suzuki Motor CorporationInventors: Yasushi Miyashita, Hideo Koyama, Hiromichi Takewaki
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Patent number: 7331730Abstract: This is a retractable-nib writing tool having a retractable writing body in a shaft tube and having a sealing lid and a sealing tube which seal the writing nib of the writing body in association with the forward and backward movements of the writing body. In this retractable-nib writing tool, the sealing lid and a guide tube fixed to the writing body are linked by a plurality of thin line portions, the sealing lid and thin line portions are formed integrally, and the sealing lid is opened and closed relative to the sealing tube by the forward and backward movements of those thin line portions. This retractable-nib writing tool can securely seal, when the writing body is retracted, the writing nib at the tip by the sealing lid and the sealing tube and thereby prevent the writing body from drying.Type: GrantFiled: November 12, 2003Date of Patent: February 19, 2008Assignee: Pentel Kabushiki KaishaInventors: Hisao Fukui, Akinori Furuichi, Yasushi Miyashita
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Publication number: 20070254540Abstract: A shift system for outboard motors, which is reduced in size, and is capable securing compatibility with an outboard motor of a type for which the shift operation is manually performed using a shift cable. A motor-driven shift actuator is disposed at a location forward of and to the right of an engine within an engine cover covering the engine. A clutch motor is provided for the actuator and disposed at a location rearward thereof, with a motor output shaft disposed in a manner extending forward, and is operated in response to the detected vessel operator's shift. An actuator output shaft is disposed at a location forward of the clutch motor and extends downward from a front part of the actuator. The actuator output shaft rotates in accordance with rotation of the motor output shaft. A clutch shaft is disposed below the actuator and rearward of the actuator output shaft.Type: ApplicationFiled: April 23, 2007Publication date: November 1, 2007Applicant: SUZUKI MOTOR CORPORATIONInventors: Yasushi Miyashita, Hideo Koyama, Hiromichi Takewaki