Patents by Inventor Shoichi Takahashi
Shoichi Takahashi 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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Publication number: 20240132099Abstract: A vehicle object detection system configured to generate a judgement on whether a target object which has been detected to enter the detection area is an alert object, and to output the judgement to a warning which is configured to warn a driver of the subject vehicle that a target object is present in the detection area behind the subject vehicle based on the judgement indicating that the target object is an alert object, wherein the system is configured to delay generating the judgement until a specified period of time has elapsed from a point in time when the target object entered the detection area from an adjacent area located lateral to the detection area and/or is configured to generate the judgement based on a change in distance between the target object and the subject vehicle during said specified period of time.Type: ApplicationFiled: October 9, 2023Publication date: April 25, 2024Applicants: Continental Autonomous Mobility Germany GmbH, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shoichi SEKIGUCHI, Takahiro KOHARA, Tomohiko MOCHIZUKI, Takayoshi NOHARA, Masahiro TAKAHASHI
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Publication number: 20240134089Abstract: A solid-state imaging device with high versatility having a cavity-less CSP structure capable of reducing the occurrence of flare and also being applied to chip size reduction, a method for manufacturing a cover glass, and an electronic apparatus. A solid-state imaging device includes: a sensor substrate in which a plurality of pixels is arranged; a semiconductor substrate having an upper surface on which the sensor substrate is mounted, the semiconductor substrate being configured to connect an electric signal converted by the pixel to a bump or an external connection terminal disposed on a lower surface; a microlens array disposed on an upper surface of the sensor substrate; a resin disposed on an upper surface of the microlens array; and a cover glass bonded to the microlens array via the resin and having a moth-eye structure on a surface of the cover glass.Type: ApplicationFiled: February 25, 2022Publication date: April 25, 2024Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Katsunori TAKAHASHI, Shoichi HIROOKA
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Publication number: 20240077123Abstract: A valve spring includes a nitrided layer, and a core portion that is further inward than the nitrided layer. A chemical composition of the core portion consists of, in mass %, C: 0.53 to 0.59%, Si: 2.51 to 2.90%, Mn: 0.70 to 0.85%, P: 0.020% or less, S: 0.020% or less, Cr: 1.40 to 1.70%, Mo: 0.17 to 0.53%, V: 0.23 to 0.33%, Ca: 0.0001 to 0.0050%, Cu: 0.050% or less, Ni: 0.050% or less, Al: 0.0050% or less, Ti: 0.050% or less, and N: 0.0070% or less, with the balance being Fe and impurities. In the core portion, a number density of V-based precipitates having a maximum diameter ranging from 2 to 10 nm is 500 to 8000 per ?m2, and in the core portion, a numerical proportion of Ca sulfides with respect to a total number of oxide-based inclusions and sulfide-based inclusions is 0.20% or less.Type: ApplicationFiled: October 15, 2020Publication date: March 7, 2024Inventors: Shinya TERAMOTO, Yutaka NEISHI, Michimasa AONO, Shuji KOZAWA, Fumio TAKAHASHI, Shigekazu NISHIMOTO, Mitsuhiro KONDO, Tatsuro OCHI, Shoichi SUZUKI
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Patent number: 11883875Abstract: A forging apparatus and a forged product manufacturing method aim to prevent decrease in the temperature of a forging space and the temperature of a forging material, efficiently maintain the uniformity of the temperatures of upper and lower dies, and improve forging efficiency. In the forging apparatus and the forged product manufacturing method according to the present invention, the upper and lower dies are heated by a heating mechanism in a housing in which a charging port of an integrally formed housing body is closed by a door, the upper and lower dies are moved relatively in a facing direction of the upper and lower dies, the heating mechanism is moved relatively in the facing direction with respect to at least one of the relatively moving upper and lower dies, and whereby the forging material is forged between the upper and lower dies. Furthermore, the forged product manufacturing method is used to manufacture a forged product from the forging material.Type: GrantFiled: April 2, 2020Date of Patent: January 30, 2024Inventors: Shoichi Takahashi, Takanori Matsui, Etsuo Fujita, Takeshi Fukuyama, Shogo Suzuki
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Publication number: 20220403493Abstract: Provided is a method for producing a Ni- or Ti-based alloy product, the method capable of reliably locally cooling and effectively cooling. The method includes the steps: heating and holding a hot working material of a Ni- or Ti-based alloy after hot forging or hot ring rolling at a solution treatment temperature to obtain a material held in a heated state, and cooling the material held in a heated state to obtain a solution-treated material. The cooling step includes carrying out local cooling by contacting a cooling member with a part of a surface of the material held in a heated state.Type: ApplicationFiled: November 26, 2020Publication date: December 22, 2022Inventors: Mari YOSHIHARA, Takuya MURAI, Tadashi FUKUDA, Shoichi TAKAHASHI
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Publication number: 20220389535Abstract: Provided is a method for producing a Ni- or Ti-based alloy product, the method capable of locally increasing the cooling rate and effectively cooling. The method includes the steps: preliminarily processing a hot working material of a Ni- or Ti-based alloy after hot working into a predetermined shape; heating and holding the material at a solution treatment temperature to obtain a material held in a heated state; and cooling the material held in a heated state to obtain a solution-treated material. The cooling step includes placing a flow path-forming member having a space for forming a flow path for a fluid on a surface of the material held in a heated state to form a fluid flow path defined by the surface of the material held in a heated state and an inner surface of the space of the flow path-forming member; and allowing a fluid to flow in the fluid flow path so that the fluid in the flow path locally cools a part of the surface of the material held in a heated state.Type: ApplicationFiled: November 26, 2020Publication date: December 8, 2022Inventors: Mari YOSHIHARA, Takuya MURAI, Tadashi FUKUDA, Shoichi TAKAHASHI
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Publication number: 20220219225Abstract: A forging apparatus and a forged product manufacturing method aim to prevent decrease in the temperature of a forging space and the temperature of a forging material, efficiently maintain the uniformity of the temperatures of upper and lower dies, and improve forging efficiency. In the forging apparatus and the forged product manufacturing method according to the present invention, the upper and lower dies are heated by a heating mechanism in a housing in which a charging port of an integrally formed housing body is closed by a door, the upper and lower dies are moved relatively in a facing direction of the upper and lower dies, the heating mechanism is moved relatively in the facing direction with respect to at least one of the relatively moving upper and lower dies, and whereby the forging material is forged between the upper and lower dies. Furthermore, the forged product manufacturing method is used to manufacture a forged product from the forging material.Type: ApplicationFiled: April 2, 2020Publication date: July 14, 2022Applicant: Hitachi Metals, Ltd.Inventors: Shoichi Takahashi, Takanori Matsui, Etsuo Fujita, Takeshi Fukuyama, Shogo Suzuki
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Patent number: 11358209Abstract: Provided is a method for producing a hot forged material capable of preventing the generation of double-barreling shaped forging defects. The method for producing a hot forged material, wherein both an upper die and a lower die are made of Ni-based super heat-resistant alloy and the method comprises a hot forging step of pressing a material for hot forging by the lower die and the upper die in the air to form the hot forged material, the method comprising: a raw material heating step of heating the material for hot forging in a furnace to a heating temperature within a range of 1025 to 1150° C.; a die heating step of heating the upper die and the lower die to a heating temperature within a range of 950 to 1075° C.Type: GrantFiled: September 21, 2018Date of Patent: June 14, 2022Assignee: HITACHI METALS, LTD.Inventors: Shogo Suzuki, Tomonori Ueno, Shinichi Kobayashi, Shoichi Takahashi, Takanori Matsui
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Patent number: 11278953Abstract: Provided is a method for producing a hot forged material capable of preventing the generation of double-barreling shaped forging defects. A method for producing a hot forged material, wherein both an upper die and a lower die are made of Ni-based super heat-resistant alloy, and a material for hot forging is pressed by the lower die and the upper die in the air to form the hot forged material, the method comprising: a raw material heating step of heating the material for hot forging in a furnace to a heating temperature within a range of 1000 to 1150° C.; a jig heating step of heating a holding jig for holding the material for hot forging within a temperature range of 50° C. lower than and 100° C. higher than the heating temperature of the material for hot forging; a die heating step of heating the upper die and the lower die to a heating temperature within a range of 950 to 1100° C.Type: GrantFiled: September 21, 2018Date of Patent: March 22, 2022Assignee: HITACHI METALS, LTD.Inventors: Shogo Suzuki, Tomonori Ueno, Shinichi Kobayashi, Shoichi Takahashi, Takanori Matsui
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Patent number: 10978924Abstract: A rotor of an electrical rotating machine includes: a rotor shaft; a cylindrical sleeve externally fitted to the rotor shaft and extending in an axial direction X; and a plurality of permanent magnets serving as field magnets, the plurality of permanent magnets being provided between the rotor shaft and the sleeve in a radial direction and retained by the sleeve around the rotor shaft. The sleeve is formed by a plurality of short sleeves arranged in the axial direction X, and end portions of the short sleeves that are adjacent to each other, the end portions being butted together in the axial direction X, are mechanically joined together in a torque-transmittable manner.Type: GrantFiled: October 20, 2016Date of Patent: April 13, 2021Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Ryo Miyamae, Shoichi Takahashi, Tatsuya Ohno, Yoshihiko Ozaki, Koji Hashimoto
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Publication number: 20200269308Abstract: Provided is a method for producing a hot forged material capable of preventing the generation of double-barreling shaped forging defects. A method for producing a hot forged material, wherein both an upper die and a lower die are made of Ni-based super heat-resistant alloy, and a material for hot forging is pressed by the lower die and the upper die in the air to form the hot forged material, the method comprising: a raw material heating step of heating the material for hot forging in a furnace to a heating temperature within a range of 1000 to 1150° C.; a jig heating step of heating a holding jig for holding the material for hot forging within a temperature range of 50° C. lower than and 100° C. higher than the heating temperature of the material for hot forging; a die heating step of heating the upper die and the lower die to a heating temperature within a range of 950 to 1100° C.Type: ApplicationFiled: September 21, 2018Publication date: August 27, 2020Inventors: Shogo SUZUKI, Tomonori UENO, Shinichi KOBAYASHI, Shoichi TAKAHASHI, Takanori MATSUI
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Publication number: 20200222969Abstract: Provided is a method for producing a hot forged material capable of preventing the generation of double-barreling shaped forging defects. The method for producing a hot forged material, wherein both an upper die and a lower die are made of Ni-based super heat-resistant alloy and the method comprises a hot forging step of pressing a material for hot forging by the lower die and the upper die in the air to form the hot forged material, the method comprising: a raw material heating step of heating the material for hot forging in a furnace to a heating temperature within a range of 1025 to 1150° C.; a die heating step of heating the upper die and the lower die to a heating temperature within a range of 950 to 1075° C.Type: ApplicationFiled: September 21, 2018Publication date: July 16, 2020Inventors: Shogo SUZUKI, Tomonori UENO, Shinichi KOBAYASHI, Shoichi TAKAHASHI, Takanori MATSUI
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Patent number: 10442517Abstract: A marine reduction gear makes it possible to reduce the installation space of an electrical rotating machine. A marine reduction gear includes: an input shaft coupled to an output shaft of an engine; an output shaft coupled to a propeller shaft that rotates a screw propeller; a gearbox accommodating an input gear provided on the input shaft and an output gear provided on the output shaft, the gearbox supporting a first bearing that supports the output shaft in a rotatable manner; and an electrical rotating machine including: a central shaft that rotates together with the output shaft; a rotor fixed to the central shaft; and a stator surrounding the rotor. The gearbox supports the stator and a second bearing that supports the central shaft of the electrical rotating machine in a rotatable manner.Type: GrantFiled: October 20, 2016Date of Patent: October 15, 2019Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Ryo Miyamae, Shoichi Takahashi, Tatsuya Ohno, Yoshihiko Ozaki, Kenichi Masamoto
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Patent number: 10183346Abstract: Provided is a rotary milling tool capable of finishing a milled surface to produce a smooth and glossy surface. A rotary milling tool in which a plurality of chip discharge grooves (2) are provided to the outer periphery of a tip part of a tool body (1), the plurality of chip discharge grooves (2) extending from the tool tip toward the tool base, and bottom blades (5, 6) are provided to an intersection ridge part at the intersection of a rake surface (3) of the chip discharge grooves (2) and a tip flank surface (4) of the tool body (1), each of the bottom blades (5, 6) being formed integrally with the tool body (1), wherein a convex edge (7) that is convex toward a tool-axis-direction tip is formed on at least one of the bottom blades (5, 6), and the convex edge (7) is formed by the connection of a plurality of linear edges that are substantially linear.Type: GrantFiled: June 24, 2015Date of Patent: January 22, 2019Assignee: UNION TOOL CO.Inventors: Shoichi Takahashi, Nozomu Sato
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Publication number: 20180316233Abstract: A rotor of an electrical rotating machine includes: a rotor shaft; a cylindrical sleeve externally fitted to the rotor shaft and extending in an axial direction X; and a plurality of permanent magnets serving as field magnets, the plurality of permanent magnets being provided between the rotor shaft and the sleeve in a radial direction and retained by the sleeve around the rotor shaft. The sleeve is formed by a plurality of short sleeves arranged in the axial direction X, and end portions of the short sleeves that are adjacent to each other, the end portions being butted together in the axial direction X, are mechanically joined together in a torque-transmittable manner.Type: ApplicationFiled: October 20, 2016Publication date: November 1, 2018Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Ryo MIYAMAE, Shoichi TAKAHASHI, Tatsuya OHNO, Yoshihiko OZAKI, Koji HASHIMOTO
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Publication number: 20180312236Abstract: A marine reduction gear makes it possible to reduce the installation space of an electrical rotating machine. A marine reduction gear includes: an input shaft coupled to an output shaft of an engine; an output shaft coupled to a propeller shaft that rotates a screw propeller; a gearbox accommodating an input gear provided on the input shaft and an output gear provided on the output shaft, the gearbox supporting a first bearing that supports the output shaft in a rotatable manner; and an electrical rotating machine including: a central shaft that rotates together with the output shaft; a rotor fixed to the central shaft; and a stator surrounding the rotor. The gearbox supports the stator and a second bearing that supports the central shaft of the electrical rotating machine in a rotatable manner.Type: ApplicationFiled: October 20, 2016Publication date: November 1, 2018Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Ryo MIYAMAE, Shoichi TAKAHASHI, Tatsuya OHNO, Yoshihiko OZAKI, Kenichi MASAMOTO
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Publication number: 20160001382Abstract: Provided is a rotary milling tool capable of finishing a milled surface to produce a smooth and glossy surface. A rotary milling tool in which a plurality of chip discharge grooves (2) are provided to the outer periphery of a tip part of a tool body (1), the plurality of chip discharge grooves (2) extending from the tool tip toward the tool base, and bottom blades (5, 6) are provided to an intersection ridge part at the intersection of a rake surface (3) of the chip discharge grooves (2) and a tip flank surface (4) of the tool body (1), each of the bottom blades (5, 6) being formed integrally with the tool body (1), wherein a convex edge (7) that is convex toward a tool-axis-direction tip is formed on at least one of the bottom blades (5, 6), and the convex edge (7) is formed by the connection of a plurality of linear edges that are substantially linear.Type: ApplicationFiled: June 24, 2015Publication date: January 7, 2016Applicant: UNION TOOL CO.Inventors: Shoichi TAKAHASHI, Nozomu SATO
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Patent number: 8961078Abstract: To provide a rotary cutting tool in which a satisfactory cut state in which burrs and uncut portions are absent is obtained, even when counterboring is applied to a composite honeycomb member.Type: GrantFiled: November 28, 2012Date of Patent: February 24, 2015Assignee: Union Tool Co.Inventors: Shoichi Takahashi, Masanori Kakuda
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Patent number: 8186914Abstract: There is provided an exceptionally practical rotary cutting tool allowing the life of the tool to be prolonged. The rotary cutting tool has a plurality of helically shaped swarf discharge flutes (2) formed on a periphery of a tool body (1) from a leading end towards a trailing end, and a peripheral blade (4) formed on an intersecting ridgeline of a rake surface (3) of the swarf discharge flutes (2) and the peripheral surface of the tool body (1). A back taper part (B), on which an outside diameter (D1) of the peripheral blade (4) and an inside diameter (D2) of the tool body (1) gradually decrease from the leading end of the tool towards the trailing end, is provided to the leading end of the tool body (1).Type: GrantFiled: February 14, 2008Date of Patent: May 29, 2012Assignee: Union Tool Co.Inventors: Makoto Matsunaga, Munehiro Nakamura, Shoichi Takahashi
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Publication number: 20100008736Abstract: There is provided an exceptionally practical rotary cutting tool allowing the life of the tool to be prolonged. The rotary cutting tool has a plurality of helically shaped swarf discharge flutes (2) formed on a periphery of a tool body (1) from a leading end towards a trailing end, and a peripheral blade (4) formed on an intersecting ridgeline of a rake surface (3) of the swarf discharge flutes (2) and the peripheral surface of the tool body (1). A back taper part (B), on which an outside diameter (D1) of the peripheral blade (4) and an inside diameter (D2) of the tool body (1) gradually decrease from the leading end of the tool towards the trailing end, is provided to the leading end of the tool body (1).Type: ApplicationFiled: February 14, 2008Publication date: January 14, 2010Applicant: UNION TOOL CO.Inventors: Makoto Matsunaga, Munehiro Nakamura, Shoichi Takahashi