Patents by Inventor Satoshi Kashiwagura
Satoshi Kashiwagura 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: 11950333Abstract: Light (light (L1)) at peak luminous intensity in a light distribution of a first region (12a) of a light-irradiating surface (12) is sent to a first region (32a) of a target surface (32) via a first region (22a) of a reflecting surface (22). Light (light (L2)) at peak luminous intensity in a light distribution in a second region (12b) of the light-irradiating surface (12) is sent to a second region (32b) of the target surface (32) via a second region (22b) of the reflecting surface (22). An optical distance from the first region (12a) of the light-irradiating surface (12) to the first region (32a) of the target surface (32) via the first region (22a) of the reflecting surface (22) is greater than an optical distance from the second region (12b) of the light-irradiating surface (12) to the second region (32b) of the target surface (32) via the second region (22b) of the reflecting surface (22). The luminous intensity of the light (L1) is higher than the luminous intensity of the light (L2).Type: GrantFiled: January 31, 2023Date of Patent: April 2, 2024Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATIONInventors: Satoshi Kashiwagura, Shinsuke Tanaka
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Publication number: 20230189408Abstract: Light (light (L1)) at peak luminous intensity in a light distribution of a first region (12a) of a light-irradiating surface (12) is sent to a first region (32a) of a target surface (32) via a first region (22a) of a reflecting surface (22). Light (light (L2)) at peak luminous intensity in a light distribution in a second region (12b) of the light-irradiating surface (12) is sent to a second region (32b) of the target surface (32) via a second region (22b) of the reflecting surface (22). An optical distance from the first region (12a) of the light-irradiating surface (12) to the first region (32a) of the target surface (32) via the first region (22a) of the reflecting surface (22) is greater than an optical distance from the second region (12b) of the light-irradiating surface (12) to the second region (32b) of the target surface (32) via the second region (22b) of the reflecting surface (22). The luminous intensity of the light (L1) is higher than the luminous intensity of the light (L2).Type: ApplicationFiled: January 31, 2023Publication date: June 15, 2023Inventors: Satoshi KASHIWAGURA, Shinsuke TANAKA
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Patent number: 11596034Abstract: A light-emitting module includes a light-emitting plate including a light-irradiating surface including a plurality of striped-pattern light-emitting units, and a reflecting member including a reflecting surface to reflect light emitted from the light-irradiating surface of the light-emitting plate toward a target surface of an object. Light at a peak luminous intensity in a light distribution in a first region of the light-irradiating surface is sent to a first region of the target surface via a first region of the reflecting surface. Light at a peak luminous intensity in a light distribution in a second region of the light-irradiating surface is sent to a second region of the target surface via a second region of the reflecting surface.Type: GrantFiled: May 27, 2019Date of Patent: February 28, 2023Assignees: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Satoshi Kashiwagura, Shinsuke Tanaka
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Patent number: 11085486Abstract: Provided is a seal member or a ball joint capable of satisfactorily maintaining sealing performance between a ball portion of a ball shank and a ball receiving portion of a holder for a long time even when the ball shank is used under a condition that the ball shank is pivoted repeatedly with respect to the holder at a large pivot angle and at high speed. The seal member includes: a base portion having an annular ring shape and is to be fixed to the holder; a retaining portion formed on an inner peripheral side of the base portion integrally with the base portion and is recessed into a conical shape toward the holder; and a lip portion formed along an inner peripheral edge of the retaining portion so as to be held in sliding contact with a spherical surface of the ball portion of the ball shank.Type: GrantFiled: March 22, 2018Date of Patent: August 10, 2021Assignees: FANUC CORPORATION, THK CO., LTD.Inventors: Yunfeng Wu, Satoshi Kashiwagura
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Publication number: 20210054989Abstract: Light (light (L1)) at peak luminous intensity in a light distribution of a first region (12a) of a light-irradiating surface (12) is sent to a first region (32a) of a target surface (32) via a first region (22a) of a reflecting surface (22). Light (light (L2)) at peak luminous intensity in a light distribution in a second region (12b) of the light-irradiating surface (12) is sent to a second region (32b) of the target surface (32) via a second region (22b) of the reflecting surface (22). An optical distance from the first region (12a) of the light-irradiating surface (12) to the first region (32a) of the target surface (32) via the first region (22a) of the reflecting surface (22) is greater than an optical distance from the second region (12b) of the light-irradiating surface (12) to the second region (32b) of the target surface (32) via the second region (22b) of the reflecting surface (22). The luminous intensity of the light (L1) is higher than the luminous intensity of the light (L2).Type: ApplicationFiled: May 27, 2019Publication date: February 25, 2021Inventors: Satoshi KASHIWAGURA, Shinsuke TANAKA
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Patent number: 10562140Abstract: A press-fitting jig for a closure cap which is configured to press-fit a closure cap into a bolt mounting hole formed in a track rail of a guide device. The press-fitting jig is mounted to a moving block, which is assembled to the track rail through intermediation of a plurality of rolling elements and is configured to move on the track rail. The press-fitting jig includes: a finishing surface which is brought into slide contact with an upper surface of the track rail having the bolt mounting hole opened therein; and a guide surface, which is formed adjacent to the finishing surface and forms a wedge-shaped space with the track rail in a longitudinal direction of the track rail, the guide surface being configured to push the closure cap temporarily placed in the bolt mounting hole into the bolt mounting hole along with movement of the moving block.Type: GrantFiled: January 12, 2017Date of Patent: February 18, 2020Assignee: THK CO., LTD.Inventors: Akimasa Yoshida, Hiroyuki Kishi, Satoshi Kashiwagura
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Patent number: 10495139Abstract: This ball join includes a ball stud with a spherical ball section and a shaft-shaped shaft section and a holder that rotatably bolds the ball section, and has a machining surface subjected to cutting in a welded portion obtained by welding the ball section and the shaft section, and the machining surface has a curve-shaped first corner section. In addition, a method for manufacturing this ball joint includes a welding step of welding the ball section and the shaft section and a cutting step of forming the machining surface by subjecting the welded portion obtained by welding the ball section and the shaft section to cutting, and the cutting step executes processing including forming the curve-shaped first corner section on the machining surface. Consequently, a ball joint with a large oscillation angle can be obtained.Type: GrantFiled: March 1, 2016Date of Patent: December 3, 2019Assignee: THK CO., LTD.Inventors: Tetsuhiro Nishide, Takuya Horie, Satoshi Kashiwagura
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Patent number: 10371203Abstract: A cap for a motion guide apparatus which can reduce generation of a burr and can also increase the fixing force. The cap of the present invention is for blocking a fastening member insertion hole of a guide rail of a motion guide apparatus. The cap includes a disc-shaped top surface portion, a cylindrical side surface portion hanging down from the top surface portion, and a plurality of protrusions provided on an outer peripheral surface of the side surface portion. The plurality of protrusions is apart from each other in a circumferential direction on the outer peripheral surface of the side surface portion, and is present at an upper end portion, or from the upper end portion to an axially middle portion, of the outer peripheral surface. A thickness of the side surface portion between the protrusions is less than a thickness of the top surface portion.Type: GrantFiled: March 23, 2017Date of Patent: August 6, 2019Assignee: THK CO., LTD.Inventors: Hiroyuki Kishi, Satoshi Kashiwagura, Ryuji Furusawa, Atsuhiro Tanaka
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Publication number: 20190107150Abstract: A cap for a motion guide apparatus which can reduce generation of a burr and can also increase the fixing force. The cap of the present invention is for blocking a fastening member insertion hole of a guide rail of a motion guide apparatus. The cap includes a disc-shaped top surface portion, a cylindrical side surface portion hanging down from the top surface portion, and a plurality of protrusions provided on an outer peripheral surface of the side surface portion. The plurality of protrusions is apart from each other in a circumferential direction on the outer peripheral surface of the side surface portion, and is present at an upper end portion, or from the upper end portion to an axially middle portion, of the outer peripheral surface. A thickness of the side surface portion between the protrusions is less than a thickness of the top surface portion.Type: ApplicationFiled: March 23, 2017Publication date: April 11, 2019Applicant: THK CO., LTD.Inventors: Hiroyuki Kishi, Satoshi Kashiwagura, Ryuji Furusawa, Atsuhiro Tanaka
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Publication number: 20190076972Abstract: A press-fitting jig for a closure cap which is configured to press-fit a closure cap into a bolt mounting hole formed in a track rail of a guide device. The press-fitting jig is mounted to a moving block, which is assembled to the track rail through intermediation of a plurality of rolling elements and is configured to move on the track rail. The press-fitting jig includes: a finishing surface which is brought into slide contact with an upper surface of the track rail having the bolt mounting hole opened therein; and a guide surface, which is formed adjacent to the finishing surface and forms a wedge-shaped space with the track rail in a longitudinal direction of the track rail, the guide surface being configured to push the closure cap temporarily placed in the bolt mounting hole into the bolt mounting hole along with movement of the moving block.Type: ApplicationFiled: January 12, 2017Publication date: March 14, 2019Applicant: THK CO., LTD.Inventors: Akimasa Yoshida, Hiroyuki Kishi, Satoshi Kashiwagura
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Publication number: 20180283444Abstract: Provided is a seal member or a ball joint capable of satisfactorily maintaining sealing performance between a ball portion of a ball shank and a ball receiving portion of a holder for a long time even when the ball shank is used under a condition that the ball shank is pivoted repeatedly with respect to the holder at a large pivot angle and at high speed. The seal member includes: a base portion having an annular ring shape and is to be fixed to the holder; a retaining portion formed on an inner peripheral side of the base portion integrally with the base portion and is recessed into a conical shape toward the holder; and a lip portion formed along an inner peripheral edge of the retaining portion so as to be held in sliding contact with a spherical surface of the ball portion of the ball shank.Type: ApplicationFiled: March 22, 2018Publication date: October 4, 2018Applicants: FANUC CORPORATION, THK CO., LTD.Inventors: Yunfeng Wu, Satoshi Kashiwagura
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Patent number: 10060522Abstract: Provided is a screw device nozzle that can gas-cool a screw device effectively. A screw device cooling nozzle (4) of the present invention is placed in such a manner as to surround at least one of a screw shaft (1) and a nut (2). The cooling nozzle (4) includes an internal passage (8) into which gas is introduced, an opening (7) for releasing the gas flow introduced into the internal passage (8), a deflection surface (27), provided adjacent to the opening (7), for bending the gas flow released from the opening (7), and a guide path (10) for drawing in gas outside the cooling nozzle (4).Type: GrantFiled: July 7, 2015Date of Patent: August 28, 2018Assignee: THK CO., LTD.Inventors: Ryuji Furusawa, Shinji Aoki, Satoshi Kashiwagura, Bin Zhao, Ryunosuke Ozeki, Marie Horikawa
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Publication number: 20180087564Abstract: This ball join includes a ball stud with a spherical ball section and a shaft-shaped shaft section and a holder that rotatably bolds the ball section, and has a machining surface subjected to cutting in a welded portion obtained by welding the ball section and the shaft section, and the machining surface has a curve-shaped first corner section. In addition, a method for manufacturing this ball joint includes a welding step of welding the ball section and the shaft section and a cutting step of forming the machining surface by subjecting the welded portion obtained by welding the ball section and the shaft section to cutting, and the cutting step executes processing including forming the curve-shaped first corner section on the machining surface. Consequently, a ball joint with a large oscillation angle can be obtained.Type: ApplicationFiled: March 1, 2016Publication date: March 29, 2018Applicant: THK CO., LTD.Inventors: Tetsuhiro Nishide, Takuya Horie, Satoshi Kashiwagura
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Publication number: 20170211687Abstract: Provided is a screw device nozzle that can gas-cool a screw device effectively. A screw device cooling nozzle (4) of the present invention is placed in such a manner as to surround at least one of a screw shaft (1) and a nut (2). The cooling nozzle (4) includes an internal passage (8) into which gas is introduced, an opening (7) for releasing the gas flow introduced into the internal passage (8), a deflection surface (27), provided adjacent to the opening (7), for bending the gas flow released from the opening (7), and a guide path (10) for drawing in gas outside the cooling nozzle (4).Type: ApplicationFiled: July 7, 2015Publication date: July 27, 2017Applicant: THK CO., LTD.Inventors: Ryuji Furusawa, Shinji Aoki, Satoshi Kashiwagura, Bin Zhao, Ryunosuke Ozeki, Marie Horikawa
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Patent number: 9422973Abstract: Provided is a ball joint capable of coupling a third mechanical element in a freely pivotable manner near a pivot center of a first mechanical element and a second mechanical element coupled to each other in a freely pivotable manner.Type: GrantFiled: May 13, 2014Date of Patent: August 23, 2016Assignee: THK CO., LTD.Inventors: Tomozumi Murata, Satoshi Kashiwagura
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Publication number: 20160097421Abstract: Provided is a ball joint capable of coupling a third mechanical element in a freely pivotable manner near a pivot center of a first mechanical element and a second mechanical element coupled to each other in a freely pivotable manner.Type: ApplicationFiled: May 13, 2014Publication date: April 7, 2016Applicant: THK CO., LTD.Inventors: Tomozumi Murata, Satoshi Kashiwagura
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Patent number: 9028148Abstract: A motion guide device including a track shaft having a rolling surface; a moving member movable along the track shaft; a first seal member in sliding contact with a surface of the track shaft to close a gap between the track shaft and the moving member; and a second seal member provided along the rolling surface of the track shaft and closes the gap between the track shaft and the moving member. The second seal member includes: a fixing substrate locked to the moving member; and a seal portion fixed to the fixing substrate along the rolling surface of the track shaft and includes a seal lip portion in sliding contact with the surface of the track shaft and an extended seal portion in close contact with the first seal member while being compressed by the first seal member when the first seal member is fixed to the moving member.Type: GrantFiled: October 22, 2012Date of Patent: May 12, 2015Assignee: THK Co., Ltd.Inventors: Ryuji Furusawa, Takuya Horie, Satoshi Kashiwagura, Mitsumasa Wada, Shinya Mori, Yuki Nakamura, Yosuke Irie, Masanori Yoshino, Shinya Saito, Teruaki Ooka, Marie Horikawa
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Publication number: 20140301677Abstract: Provided is a motion guide device capable of suppressing generation of a gap between a first seal member and a second seal member, which are fixed to a moving block, and preventing foreign matters from entering the moving block, to thereby achieve a smooth motion of the moving block with respect to a track rail. The motion guide device includes: a track shaft having a rolling surface; a moving member freely movable along the track shaft; the first seal member that comes into sliding contact with a surface of the track shaft so as to close a gap between the track shaft and the moving member; and the second seal member that is provided along the rolling surface of the track shaft and closes the gap between the track shaft and the moving member.Type: ApplicationFiled: October 22, 2012Publication date: October 9, 2014Applicant: THK CO., LTD.Inventors: Ryuji Furusawa, Takuya Horie, Satoshi Kashiwagura, Mitsumasa Wada, Shinya Mori, Yuki Nakamura, Yosuke Irie, Masanori Yoshino, Shinya Saito, Teruaki Ooka, Marie Horikawa
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Patent number: D784801Type: GrantFiled: November 10, 2015Date of Patent: April 25, 2017Assignee: THK CO., LTD.Inventors: Tetsuhiro Nishide, Takuya Horie, Satoshi Kashiwagura
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Patent number: D807164Type: GrantFiled: January 24, 2017Date of Patent: January 9, 2018Assignee: THK CO., LTD.Inventors: Tetsuhiro Nishide, Takuya Horie, Satoshi Kashiwagura