Patents by Inventor Kazutami Oishi
Kazutami Oishi 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: 10576876Abstract: A lighting device to be mounted on a vehicle has a light source, a projection lens having an optical axis, and disposed so as to allow at least some of light emitted from the light source to pass therethrough, a holder that holds the projection lens, a pivot shaft provided at one of the projection lens and the holder and extending in a direction intersecting with the optical axis of the projection lens, a bearing provided at the other of the projection lens and the holder and that holds the pivot shaft, an aiming mechanism configured to pivot the projection lens relative to the holder about the pivot shaft, and a reflector configured to reflect the light emitted from the light source in a predetermined direction. The reflector is provided in the holder. The position of the holder to the light source is fixed.Type: GrantFiled: January 8, 2019Date of Patent: March 3, 2020Assignee: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki Shibata, Kazutami Oishi, Koji Uchino
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Patent number: 10434934Abstract: A high mount stop lamp mounted on a rear portion of a roof of an automobile is provided. The high mount stop lamp includes a flat light guide arranged below a resin roof panel. The light guide includes a front end and a rear end. The high mount stop lamp also includes a light source opposing the front end of the light guide. The rear end of the light guide is located on or proximate to a rear end of the roof panel to function as a light emitting portion.Type: GrantFiled: February 29, 2016Date of Patent: October 8, 2019Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, KOITO MANUFACTURING CO., LTD.Inventors: Hideaki Terai, Kazumasa Okumura, Yuichi Mizutani, Kazutami Oishi, Koji Uchino, Masaki Agemi
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Patent number: 10434928Abstract: An adjustment mechanism configured to adjust a reference position of an optical axis of a projection lens of a lens unit has a reference axis perpendicular to the optical axis and disposed in a plane which intersects with a focal point of the projection lens. The lens unit moves in an extension direction of the reference axis in accordance with rotation of a second screw. An acting point of a force to move the lens unit is disposed in a plane formed by the optical axis and the reference axis.Type: GrantFiled: April 10, 2018Date of Patent: October 8, 2019Assignee: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki Shibata, Takeyuki Tachiiwa, Kazutami Oishi, Satoru Yashiki, Takashi Inoue
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Publication number: 20190135166Abstract: A lighting device to be mounted on a vehicle has a light source, a projection lens having an optical axis, and disposed so as to allow at least some of light emitted from the light source to pass therethrough, a holder that holds the projection lens, a pivot shaft provided at one of the projection lens and the holder and extending in a direction intersecting with the optical axis of the projection lens, a bearing provided at the other of the projection lens and the holder and that holds the pivot shaft, an aiming mechanism configured to pivot the projection lens relative to the holder about the pivot shaft, and a reflector configured to reflect the light emitted from the light source in a predetermined direction. The reflector is provided in the holder. The position of the holder to the light source is fixed.Type: ApplicationFiled: January 8, 2019Publication date: May 9, 2019Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki Shibata, Kazutami Oishi, Koji Uchino
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Patent number: 10214138Abstract: A lighting device to be mounted on a vehicle has a light source, a projection lens having an optical axis, and disposed so as to allow at least some of light emitted from the light source to pass therethrough, a holder that holds the projection lens, a pivot shaft provided at one of the projection lens and the holder and extending in a direction intersecting with the optical axis of the projection lens, a bearing provided at the other of the projection lens and the holder and that holds the pivot shaft, and an aiming mechanism configured to pivot the projection lens relative to the holder about the pivot shaft.Type: GrantFiled: April 8, 2015Date of Patent: February 26, 2019Assignee: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki Shibata, Kazutami Oishi, Koji Uchino
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Patent number: 10052997Abstract: A housing defines at least a part of a lamp chamber therein, and includes an opening; a light source disposed in the lamp chamber. An optical unit is disposed in the lamp chamber, and irradiates light emitted from the lamp source in a predetermined direction. A heat sink includes a first portion configured to support the light source in the lamp chamber, and a second portion exposed to an outside of the housing through the opening. An elastic member is disposed between the second portion and a periphery of the opening. A first screw member and a second screw member extend through the housing, and are manually rotated to displace both the heat sink and the optical unit with respect to the housing. An electric actuator is disposed in the lamp chamber, and displaces the optical unit with respect to the heat sink.Type: GrantFiled: June 2, 2016Date of Patent: August 21, 2018Assignee: Koito Manufacturing Co., Ltd.Inventors: Hiroki Shibata, Shinya Kato, Kazutami Oishi
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Publication number: 20180229647Abstract: An adjustment mechanism configured to adjust a reference position of an optical axis of a projection lens of a lens unit has a reference axis perpendicular to the optical axis and disposed in a plane which intersects with a focal point of the projection lens. The lens unit moves in an extension direction of the reference axis in accordance with rotation of a second screw. An acting point of a force to move the lens unit is disposed in a plane formed by the optical axis and the reference axis.Type: ApplicationFiled: April 10, 2018Publication date: August 16, 2018Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki SHIBATA, Takeyuki TACHIIWA, Kazutami OISHI, Satoru YASHIKI, Takashi INOUE
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Patent number: 9970624Abstract: An adjustment mechanism configured to adjust a reference position of an optical axis of a projection lens of a lens unit has a reference axis perpendicular to the optical axis and disposed in a plane which intersects with a focal point of the projection lens. The lens unit moves in an extension direction of the reference axis in accordance with rotation of a second screw. An acting point of a force to move the lens unit is disposed in a plane formed by the optical axis and the reference axis.Type: GrantFiled: August 22, 2014Date of Patent: May 15, 2018Assignee: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki Shibata, Takeyuki Tachiiwa, Kazutami Oishi, Satoru Yashiki, Takashi Inoue
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Publication number: 20180050633Abstract: A high mount stop lamp mounted on a rear portion of a roof of an automobile is provided. The high mount stop lamp includes a flat light guide arranged below a resin roof panel. The light guide includes a front end and a rear end. The high mount stop lamp also includes a light source opposing the front end of the light guide. The rear end of the light guide is located on or proximate to a rear end of the roof panel to function as a light emitting portion.Type: ApplicationFiled: February 29, 2016Publication date: February 22, 2018Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, KOITO MANUFACTURING CO., LTD.Inventors: Hideaki TERAI, Kazumasa OKUMURA, Yuichi MIZUTANI, Kazutami OISHI, Koji UCHINO, Masaki AGEMI
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Publication number: 20170043706Abstract: A lighting device to be mounted on a vehicle has a light source, a projection lens having an optical axis, and disposed so as to allow at least some of light emitted from the light source to pass therethrough, a holder that holds the projection lens, a pivot shaft provided at one of the projection lens and the holder and extending in a direction intersecting with the optical axis of the projection lens, a bearing provided at the other of the projection lens and the holder and that holds the pivot shaft, and an aiming mechanism configured to pivot the projection lens relative to the holder about the pivot shaft.Type: ApplicationFiled: April 8, 2015Publication date: February 16, 2017Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki SHIBATA, Kazutami OISHI, Koji UCHINO
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Patent number: 9528676Abstract: An occupation space of a lamp including a mechanism for adjusting a reference position of an optical axis is reduced. The optical axis adjustment mechanism 17 adjusts a reference position of an optical axis of a projection lens through which at least some of the light emitted from the light source 21 passes. The optical axis adjustment mechanism 17 includes an actuator 71, an aiming screw 72 and a slider 73. The actuator 71 includes an electrically driven output shaft 71b which pivots the optical axis in a horizontal direction about a rotation axis B extending in a vertical direction. The slider 73 is disposed to be slidable along the rotation axis B. The aiming screw 72 slides the slider 73 according to its rotation so as to translate the optical axis in the vertical direction.Type: GrantFiled: September 12, 2014Date of Patent: December 27, 2016Assignee: Koito Manufacturing Co., Ltd.Inventors: Hiroki Shibata, Kazutami Oishi
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Publication number: 20160368412Abstract: A housing defines at least a part of a lamp chamber therein, and includes an opening; a light source disposed in the lamp chamber. An optical unit is disposed in the lamp chamber, and irradiates light emitted from the lamp source in a predetermined direction. A heat sink includes a first portion configured to support the light source in the lamp chamber, and a second portion exposed to an outside of the housing through the opening. An elastic member is disposed between the second portion and a periphery of the opening. A first screw member and a second screw member extend through the housing, and are manually rotated to displace both the heat sink and the optical unit with respect to the housing. An electric actuator is disposed in the lamp chamber, and displaces the optical unit with respect to the heat sink.Type: ApplicationFiled: June 2, 2016Publication date: December 22, 2016Inventors: Hiroki Shibata, Shinya Kato, Kazutami Oishi
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Patent number: 9506620Abstract: There is provided a lighting device which is to be mounted on a vehicle. The lighting device includes: a housing forming a lamp chamber, the housing including a wall having an opening therethrough; a light source which is disposed in the lamp chamber; a heat sink, wherein the light source is fixed to the heat sink; a fixation portion, wherein the heat sink is fixed to the housing via the fixation portion. A first portion of the heat sink faces an inner surface of the wall. A second portion of the heat sink is exposed to an outside of the wall through the opening. The fixation portion is provided on the outside of the wall to face the opening.Type: GrantFiled: February 12, 2014Date of Patent: November 29, 2016Assignee: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki Shibata, Kazutami Oishi
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Publication number: 20160201869Abstract: An adjustment mechanism configured to adjust a reference position of an optical axis of a projection lens of a lens unit has a reference axis perpendicular to the optical axis and disposed in a plane which intersects with a focal point of the projection lens. The lens unit moves in an extension direction of the reference axis in accordance with rotation of a second screw. An acting point of a force to move the lens unit is disposed in a plane formed by the optical axis and the reference axis.Type: ApplicationFiled: August 22, 2014Publication date: July 14, 2016Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Hiroki SHIBATA, Takeyuki TACHIIWA, Kazutami OISHI, Satoru YASHIKI, Takashi INOUE
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Patent number: 9266465Abstract: A vehicular headlamp includes: a bracket having an actuator attaching portion that has a first fixation portion and a second fixation portion and part of which is a cuttable portion; a first actuator that is attached to the actuator attaching portion from one direction and is fixed via the first fixation portion; and a lamp unit that is supported by the bracket and that is capable of being tilted relative to the bracket by drive force of the first actuator. The actuator attaching portion is configured so that the cuttable portion can be cut off to detach the first actuator from the bracket in another direction than the one direction and a second actuator can be attached to the actuator attaching portion from the another direction and fixed to the actuator attaching portion via the second fixture portion.Type: GrantFiled: November 9, 2012Date of Patent: February 23, 2016Assignee: KIOTO MANUFACTURING CO., LTD.Inventors: Hiroki Shibata, Kazutami Oishi
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Patent number: 9157596Abstract: Disclosed is a vehicle lamp capable of improving a production efficiency, reducing a cost, and shortening a production line as compared to a case in which a dedicated mechanical equipment is used. The vehicle lamp includes an optical unit, a pivot member fixed to a bracket of the optical unit, a lamp body having a bearing insertion hole, and a bearing member which is fixed to the lamp body to be engageable with the pivot member. The pivot member and the bearing member are engaged with each other to constitute at least one supporting unit of an aiming mechanism. In addition, the optical unit is tiltably supported by the aiming mechanism and the bearing member is fixed to the lamp body by being inserted into the bearing insertion hole.Type: GrantFiled: December 3, 2013Date of Patent: October 13, 2015Assignee: KOITO MANUFACTURING CO. LTD.Inventors: Takeyuki Tachiiwa, Manabu Maeda, Kazutami Oishi, Yuki Takahashi
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Publication number: 20150117043Abstract: Disclosed is a lamp unit including a plurality of light sources and a mechanism configured to adjust a reference position of an axis according to the light sources. A projection lens unit includes a first projection lens and a second projection lens. At least some of light emitted from a first light source passes through the first projection lens. At least some of light emitted from the second light source passes through the second projection lens. A first adjusting mechanism moves the first projection lens unit in parallel in left and right directions with respect to the first light source and the second light source. A second adjusting mechanism moves the projection lens unit in upward and downward directions which are orthogonal to the left and right directions, with respect to the first light source and the second light source.Type: ApplicationFiled: October 16, 2014Publication date: April 30, 2015Inventors: Hiroki SHIBATA, Kazutami OISHI
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Publication number: 20150085511Abstract: An occupation space of a lamp including a mechanism for adjusting a reference position of an optical axis is reduced. The optical axis adjustment mechanism 17 adjusts a reference position of an optical axis of a projection lens through which at least some of the light emitted from the light source 21 passes. The optical axis adjustment mechanism 17 includes an actuator 71, an aiming screw 72 and a slider 73. The actuator 71 includes an electrically driven output shaft 71b which pivots the optical axis in a horizontal direction about a rotation axis B extending in a vertical direction. The slider 73 is disposed to be slidable along the rotation axis B. The aiming screw 72 slides the slider 73 according to its rotation so as to translate the optical axis in the vertical direction.Type: ApplicationFiled: September 12, 2014Publication date: March 26, 2015Inventors: Hiroki SHIBATA, Kazutami OISHI
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Patent number: 8827520Abstract: There is provided a vehicle headlight. The vehicle headlight includes: a light source configured to emit light; a reflector reflecting the light; a projection lens projecting the light; a stationary shade blocking a part of the light emitted from the light source; a movable shade supported by the stationary shade as to move between a shielding position and a non-shielding position and configured to block a part of the light emitted from the light source; a drive mechanism including: a yoke; a coil disposed in the yoke; and an output shaft configured to move in an axial direction thereof in response to current supplied to the coil, and a transmission mechanism transmitting a driving force of the drive mechanism to the movable shade. At least a part of the yoke of the drive mechanism is formed in a single piece with the stationary shade.Type: GrantFiled: October 21, 2011Date of Patent: September 9, 2014Assignee: Koito Manufacturing Co., Ltd.Inventors: Hiroki Shibata, Kazutami Oishi
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Publication number: 20140233252Abstract: There is provided a lighting device which is to be mounted on a vehicle. The lighting device includes: a housing forming a lamp chamber, the housing including a wall having an opening therethrough; a light source which is disposed in the lamp chamber; a heat sink, wherein the light source is fixed to the heat sink; a fixation portion, wherein the heat sink is fixed to the housing via the fixation portion. A first portion of the heat sink faces an inner surface of the wall. A second portion of the heat sink is exposed to an outside of the wall through the opening. The fixation portion is provided on the outside of the wall to face the opening.Type: ApplicationFiled: February 12, 2014Publication date: August 21, 2014Applicant: Koito Manufacturing Co., Ltd.Inventors: Hiroki SHIBATA, Kazutami OISHI