Patents Assigned to Alpha Corporation
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Publication number: 20260125937Abstract: A handle device includes a base, a lever, a first biasing portion, an indoor handle, a second biasing portion, a latch-side routing member, and a cylinder-side routing member. The lever includes, at a connection portion with the cylinder-side routing member, an elongated hole portion having an arc shape around a rotation shaft, and a connection end of the cylinder-side routing member is accommodated and held in the elongated hole portion, and is moved in the elongated hole portion when the lever is locked to the indoor handle and is rotated.Type: ApplicationFiled: December 29, 2025Publication date: May 7, 2026Applicant: ALPHA CORPORATIONInventors: Takashi ONO, Yutaka SAITO, Noriaki ITO, Masaya WAKAMATSU
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Patent number: 12509927Abstract: A door handle device for a vehicle includes: a handle member attached to a door to be handled by a user, the handle member having a front cover, and a back cover; and a handling detection sensor for detecting the handling of the handle member, wherein the back cover includes: a pair of movement-restricted portions arranged at both ends of the back cover, wherein relative movement of the pair of movement-restricted portions to the front cover is restricted; and a flexible portion arranged between the pair of movement-restricted portions, the flexible portion being bendable according to the handling; and wherein the handling detection sensor detects the bending of the flexible portion.Type: GrantFiled: October 14, 2021Date of Patent: December 30, 2025Assignee: Alpha CorporationInventors: Takashi Ono, Noriaki Ito, Kazuhisa Yabumoto, Hideki Sano
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Patent number: 12473759Abstract: A handle device for a vehicle includes a handle base fixed to a vehicle, and a handle main body connected to the handle base and configured to be able to be pulled out from an initial position. The handle base is provided with an adjustment portion. The adjustment portion is configured to be operable by being exposed to outside when the handle main body is pulled out from the initial position, and to adjust a position of the handle main body at the initial position.Type: GrantFiled: June 14, 2023Date of Patent: November 18, 2025Assignee: ALPHA CORPORATIONInventors: Takao Toyama, Takashi Ono, Mitsuo Nishizuka
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Publication number: 20250347164Abstract: A door closing restriction device for restricting closing of a door of a vehicle, which is provided on the door, the door closing restriction device includes a stopper provided on a door edge portion of the door and configured to be moveable between a storage position where the stopper is stored inside the door and a protruding position where the stopper protrudes from the door edge portion, an operation unit provided on the door, and a transmission unit configured to transmit an operation force of the operation unit to the stopper. The stopper moves to the protruding position by operating the operation unit.Type: ApplicationFiled: May 12, 2025Publication date: November 13, 2025Applicant: ALPHA CORPORATIONInventor: Soh SAITO
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Patent number: 12404705Abstract: A vehicle door control device 1 according to the present invention relates to a vehicle door control device 1 for controlling opening and closing of a door of a vehicle, wherein the vehicle door control device 1 comprises: a handle member 30 attached to the door; an entry detection sensor 31 for detecting entry of an object into a space between the door and the handle member 30; an external force detection sensor 32 for detecting application of an external force to the handle member 30; and a circuit portion 4 connected to the entry detection sensor 31 and the external force detection sensor 32, the circuit portion 4 releasing a latch of the door when the external force detection sensor 32 detects the application of the external force and the entry detection sensor 31 detects the entry of the object.Type: GrantFiled: January 27, 2021Date of Patent: September 2, 2025Assignee: ALPHA CORPORATIONInventors: Shun Ishii, Hiroaki Sakakura
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Patent number: 12385295Abstract: A door handle device for a vehicle includes a handle base fixed to a door of a vehicle, and an operation handle rotatably coupled to the handle base. The operation handle includes a coupling protruding portion that is provided at an end portion on a rotation center side of the operation handle. The handle base includes an elastically deformable elastic piece that is adjacent to the coupling protruding portion. Movement of the operation handle toward a rotation tip end is restricted by elastically engaging a stopper protruding portion formed on any one of the coupling protruding portion and the elastic piece with a stopper fitting portion formed on the other by using elastic deformation of the elastic piece. Movement of the elastic piece in a disengagement direction of the stopper protruding portion is restricted by a clip mounted on the handle base.Type: GrantFiled: December 1, 2023Date of Patent: August 12, 2025Assignee: ALPHA CORPORATIONInventors: Saeko Tatemichi, Ryoichi Tanaka
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Patent number: 12331568Abstract: A vehicle door handle includes a pair of front and back covers which are connected to each other. One of the front and back covers includes a locking body. The locking body includes a leg portion configured to elastically deform and a locking hook projecting from a tip end of the leg portion. The locking hook is elastically locked and connected to a locked portion formed on the other of the front and back covers. The locking body is biased and the locking hook is press-contacted to the locked portion in a locking state of the locking body and the locked portion.Type: GrantFiled: February 5, 2021Date of Patent: June 17, 2025Assignee: ALPHA CORPORATIONInventors: Shinji Ichikawa, Kosuke Kakita
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Patent number: 12326020Abstract: An inside handle device includes a handle case, and a handle lever rotatably supported by the handle case. The handle lever is inserted into the handle case along a rotation axis of the handle lever with respect to the handle case. The handle case includes a case main body into which the handle lever is inserted, and a coming-off prevention member configured to restrict a movement of the handle lever in a direction along the rotation axis and to prevent the handle lever from coming off the case main body. The coming-off prevention member is coupled to the case main body. The coming-off prevention member is configured to be displaceable between an assembling position at which the handle lever is prevented from coming off the case main body and an unfolded position at which the coming-off prevention member is unfolded from the assembling position.Type: GrantFiled: June 22, 2023Date of Patent: June 10, 2025Assignee: ALPHA CORPORATIONInventor: Mitsuo Nishizuka
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Patent number: 12291902Abstract: A door opening/closing device includes an operation handle, a detection unit provided in the operation handle and configured to detect a contact state of a user with the operation handle, a door driving unit configured to open or close a door, and a control unit. The control unit is configured to determine that a first operation involving a direction is a user operation in which a user comes into contact with the operation handle, when the detection unit detects the first operation and a second operation. The control unit is configured to control the door driving unit and open or close the door based on the user operation.Type: GrantFiled: July 10, 2020Date of Patent: May 6, 2025Assignees: ALPHA CORPORATION, NISSAN JIDOSHA KABUSHIKI KAISHAInventors: Mitsuo Nishizuka, Takashi Ono, Takao Toyama
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Patent number: 12246592Abstract: A lid device to be mounted on an oil filler port or an power supply port of a vehicle and for opening and closing the oil filler port or the power supply port includes a housing configured to be assembled to the oil filler port or the power supply port, a support body provided to be rotatable with respect to the housing, and a lid body attached to the support body. Reinforcing rib protruding toward a lid body side is formed on the support body. A portion of the reinforcing rib along a horizontal direction is inclined such that free end side faces downward when the lid device is mounted on the oil filler port.Type: GrantFiled: July 10, 2023Date of Patent: March 11, 2025Assignee: ALPHA CORPORATIONInventor: Mitsuo Nishizuka
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Patent number: 12241290Abstract: A handle device for a vehicle includes a handle body, a latch release lever, a door latch device, an electric actuator and a lever push member. The handle body is driven from an initial position to a pop-up position by the electric actuator and is manually operated to a latch operation position. A latch of the door latch device is released by the latch release lever being driven to a latch release position. The lever push member rotates from an initial corresponding position and pushes the latch release lever toward the latch release position with an operation of the handle body. The lever push member is set with a moment of inertia to cancel an inertia force generated when a collision impact load is applied to the vehicle and to move the lever push member toward the latch release position.Type: GrantFiled: March 9, 2022Date of Patent: March 4, 2025Assignee: ALPHA CORPORATIONInventor: Takao Toyama
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Publication number: 20250043598Abstract: A vehicle handle to be attached to a door of a vehicle such that the vehicle handle is operable to be pulled out, the vehicle handle including: a handle body portion having an operation opening to a cylinder lock attached to the door; and a cap configured to close the operation opening. An elastic locking portion is provided on one of the cap and the handle body portion, a locked portion is provided on the other of the cap and the handle body portion, and the elastic locking portion is translationally moved along a door front surface in accordance with an attachment and detachment operation of the cap with respect to the operation opening, and being elastically locked to and unlocked from the locked portion.Type: ApplicationFiled: October 25, 2024Publication date: February 6, 2025Applicant: ALPHA CORPORATIONInventors: Noriaki ITO, Mitsuo NISHIZUKA
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Publication number: 20240317044Abstract: An inlet box fitted and mounted in an opening formed in a vehicle body panel. The inlet box includes a seal portion provided at a position facing a seal surface of the opening on an inner peripheral edge and sealing with the seal surface over whole periphery. The seal portion includes a first lip portion being in close contact with the seal surface, and a second lip portion being in close contact with the seal surface on an inner peripheral side relative to the first lip portion. A drain hole for communicating an inside space portion formed by the seal surface, the first lip portion, and the second lip portion and an outside space portion with a lid arranged with a gap on an opposite side from the seal surface is formed between the first lip portion and the second lip portion.Type: ApplicationFiled: June 5, 2024Publication date: September 26, 2024Applicant: ALPHA CORPORATIONInventor: Mitsuo NISHIZUKA
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Patent number: 12006742Abstract: A door handle device for a vehicle includes a handle base, a first link and a second link and an operation handle connected to the first link and the second link and to be driven from an initial position to a use position. The operation handle is manually operable to a latch operation position beyond the use position. The second link includes an end holding spring to apply an urging force to hold a rotation center of the second link and the operation handle at an initial end position. The handle base includes a latch release lever to be driven by the second link with a movement of the operation handle from the use position to the latch operation position and to transmit a latch release operation force to a door latch device fixed to the door.Type: GrantFiled: August 5, 2021Date of Patent: June 11, 2024Assignee: ALPHA CORPORATIONInventor: Takao Toyama
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Patent number: 11939799Abstract: A door handle device for a vehicle includes a handle base, an operation handle, first and second link members disposed at an interval and rotatably pin-connected to the handle base respectively, and an electric actuator configured to rotatably drive the first link member. The operation handle is connected to the handle base so as to be able to protrude from an initial position to a use position. The operation handle is rotatably connected to end portions of the first and second link members. The handle base, the first and second link members, and the operation handle form a link mechanism in which the operation handle at the use position maintains a posture parallel to the initial position.Type: GrantFiled: August 31, 2020Date of Patent: March 26, 2024Assignee: ALPHA CORPORATIONInventor: Takao Toyama
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Publication number: 20240093536Abstract: A door handle device for a vehicle includes a handle base fixed to a door of a vehicle, and an operation handle rotatably coupled to the handle base. The operation handle includes a coupling protruding portion that is provided at an end portion on a rotation center side of the operation handle. The handle base includes an elastically deformable elastic piece that is adjacent to the coupling protruding portion. Movement of the operation handle toward a rotation tip end is restricted by elastically engaging a stopper protruding portion formed on any one of the coupling protruding portion and the elastic piece with a stopper fitting portion formed on the other by using elastic deformation of the elastic piece. Movement of the elastic piece in a disengagement direction of the stopper protruding portion is restricted by a clip mounted on the handle base.Type: ApplicationFiled: December 1, 2023Publication date: March 21, 2024Applicant: ALPHA CORPORATIONInventors: Saeko TATEMICHI, Ryoichi TANAKA
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Patent number: 11926196Abstract: A handle device for a vehicle includes a handle body, a latch release lever, a door latch device, an electric actuator and a push portion forming member. The handle body moves between an initial position, a pop-up position and to a latch operation position. The door latch device is released by the latch release lever rotating to a latch release position. The push portion forming member moves from an initial corresponding position to a latch operation corresponding position and has a lever push portion to, when the push portion forming member is at the latch operation corresponding position, rotate the latch release lever to the latch release position. The push portion forming member has a restriction wall to prevent, when the push portion forming member is between the initial corresponding position and a pop-up corresponding position, the latch release lever from rotating toward the latch release position.Type: GrantFiled: March 10, 2022Date of Patent: March 12, 2024Assignee: ALPHA CORPORATIONInventor: Takao Toyama
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Patent number: 11879277Abstract: An inside handle device includes a handle base attached to a door panel of a vehicle; a lock lever rotatably supported on the handle base, a stopper portion provided on the handle base and limiting a rotation range of the lock lever, and an impact absorbing portion provided on the handle base and absorbing impact generated by a contact of the lock lever with the stopper portion.Type: GrantFiled: September 22, 2020Date of Patent: January 23, 2024Assignee: ALPHA CORPORATIONInventors: Saeko Tatemichi, Ryuji Minemura, Ryoichi Tanaka
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Patent number: 11879276Abstract: A door handle device for a vehicle includes a handle base including an inertia stopper and an operation handle including a stopper protruding portion. The operation handle is movable from an initial position to a use position and to a latch operation position. The inertia stopper has two stopper surfaces and is to rotate from a standby position to a regulation position due to inertia when a collision force is applied to the vehicle. The stopper protruding portion includes a first stopper to, when the operation handle is at the initial position, limit a movement of the operation handle toward the use position by abutting against one of the stopper surfaces, and a second stopper to, when the operation handle is at the use position, limit the movement of the operation handle toward the latch operation position by abutting against another one of the stopper surfaces.Type: GrantFiled: August 3, 2021Date of Patent: January 23, 2024Assignee: ALPHA CORPORATIONInventor: Takao Toyama
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Patent number: 11879278Abstract: A vehicle door control device includes a swipe operation portion provided on a vehicle interior side of a door, a detection unit provided at least in the swipe operation portion and configured to detect a swipe operation, a door lock device configured to hold the door in a closed state, and a controller configured to release a closed state of the door by the door lock device when it is determined that the swipe operation is detected based on a detection result of the detection unit.Type: GrantFiled: September 14, 2020Date of Patent: January 23, 2024Assignee: ALPHA CORPORATIONInventor: Mitsuo Nishizuka