Patents by Inventor Tomoki Takahashi
Tomoki 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).
-
Patent number: 8991880Abstract: A door handle device includes: a base member having handle supporting portions provided between a pair of supporting boards facing each other; a handle grip provided with an arm portion protruding at one end of the handle grip, shaft support portions provided on an extreme end of the arm portion and pivotally supported by the handle supporting portions of the base member, and an operating portion provided at the other end of the handle grip and configured to operate a lever provided on the base member; and a double torsion spring having a restriction portion extending between the pair of supporting boards of the base member, and hooked to the supporting boards of the base member by its own biasing force, in which a recessed portion with which the restriction portion of the double torsion spring is engaged is formed in the arm portion of the handle grip.Type: GrantFiled: November 29, 2012Date of Patent: March 31, 2015Assignees: Mazda Motor Corporation, U-Shin, Ltd.Inventors: Shigeharu Yokoyama, Tomoki Takahashi, Atsushi Naka
-
Publication number: 20150043857Abstract: In An AC generator for a vehicle in which a bearing is inserted into a bearing box formed in a bracket and the bearing is fixed and retained by a retainer, the retainer has a cylindrical shape and a threaded portion is formed on the cylindrical section thereof, a threaded portion is formed on the bearing box, and the threaded portion of the retainer is directly screwed to the threaded portion of the bearing box in order to fix and retain the bearing, so that the gap between the outer circumference surface of the bearing box or the outer circumference surface of the retainer and the opposing side of a cooling fan is made uniform.Type: ApplicationFiled: October 28, 2014Publication date: February 12, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tomoki TAKAHASHI, Hideyuki HAYASHI
-
Publication number: 20150043856Abstract: In An AC generator for a vehicle in which a bearing is inserted into a bearing box formed in a bracket and the bearing is fixed and retained by a retainer, the retainer has a cylindrical shape and a threaded portion is formed on the cylindrical section thereof, a threaded portion is formed on the bearing box, and the threaded portion of the retainer is directly screwed to the threaded portion of the bearing box in order to fix and retain the bearing, so that the gap between the outer circumference surface of the bearing box or the outer circumference surface of the retainer and the opposing side of a cooling fan is made uniform.Type: ApplicationFiled: October 28, 2014Publication date: February 12, 2015Applicant: Mitsubishi Electric CorporationInventors: Tomoki Takahashi, Hideyuki Hayashi
-
Patent number: 8816564Abstract: A brushless alternator of the present invention includes: a yoke whose inner circumferential surface is radially opposite via an air gap to a rotor revolvably supported by brackets; a stator supported by the brackets, for forming a magnetic circuit along with the rotor and the yoke; a bobbin for engaging with the outer circumferential surface of a thin portion of the yoke; a field coil wound around the bobbin, for producing magnetic flux; and a plate joined to the thin portion, for axially holding the bobbin; wherein the thin portion of the yoke and the other portion thereof are integrally formed in one piece using a single member.Type: GrantFiled: September 19, 2011Date of Patent: August 26, 2014Assignee: Mitsubishi Electric CorporationInventors: Hideyuki Hayashi, Yasuhiko Sugitani, Tomoki Takahashi
-
Patent number: 8811813Abstract: First and second magnets are provided in a movable unit that is coupled with a body, the movable unit being rotatable with respect to the body around a first axis and a second axis that is substantially perpendicular to the first axis. First and second magnetic-field sensors are provided in the body. Based on output signals of the first and second magnetic-field sensors, control is performed in accordance with a state of the movable unit with respect to the body.Type: GrantFiled: August 16, 2011Date of Patent: August 19, 2014Assignee: Canon Kabushiki KaishaInventors: Tomoki Takahashi, Yasuhiro Hamada
-
Publication number: 20140184903Abstract: An image pickup apparatus capable of performing zooming and release operation easily whether the photographer operates with right-handed or left-handed without being lack of design. The image pickup apparatus includes a lens unit, a first ring operation unit that is ring shaped and arranged around the lens unit, a base unit configured to hold the first ring operation unit so that the first ring operation unit is capable of sliding in a first direction and a second direction perpendicular to an optical axis of the lens unit, and a first detector configured to detect a slide of the first ring operation unit in the first direction or the second direction. The first direction and the second direction are opposite to each other.Type: ApplicationFiled: December 20, 2013Publication date: July 3, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Tomoki Takahashi, Miyabi Miyagawa, Takeshi Kikkawa, Hiroaki Ohashi
-
Publication number: 20140153856Abstract: In An AC generator for a vehicle in which a bearing is inserted into a bearing box formed in a bracket and the bearing is fixed and retained by a retainer, the retainer (8, 10) has a cylindrical shape and a threaded portion (81, 101) is formed on the cylindrical section thereof, a threaded portion (111, 112) is formed on the bearing box, and the threaded portion of the retainer is directly screwed to the threaded portion of the bearing box in order to fix and retain the bearing (3), so that the gap between the outer circumference surface of the bearing box or the outer circumference surface of the retainer and the opposing side of a cooling fan is made uniform.Type: ApplicationFiled: October 19, 2011Publication date: June 5, 2014Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tomoki Takahashi, Hideyuki Hayashi
-
Publication number: 20120293039Abstract: A brushless alternator of the present invention includes: a yoke whose inner circumferential surface is radially opposite via an air gap to a rotor revolvably supported by brackets; a stat or supported by the brackets, for forming a magnetic circuit along with the rotor and the yoke; a bobbin for engaging with the outer circumferential surface of a thin portion of the yoke; a field coil wound around the bobbin, for producing magnetic flux; and a plate joined to the thin portion, for axially holding the bobbin; wherein the thin portion of the yoke and the other portion thereof are integrally formed in one piece using a single member.Type: ApplicationFiled: September 19, 2011Publication date: November 22, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Hideyuki Hayashi, Yasuhiko Sugitani, Tomoki Takahashi
-
Publication number: 20120045196Abstract: First and second magnets are provided in a movable unit that is coupled with a body, the movable unit being rotatable with respect to the body around a first axis and a second axis that is substantially perpendicular to the first axis. First and second magnetic-field sensors are provided in the body. Based on output signals of the first and second magnetic-field sensors, control is performed in accordance with a state of the movable unit with respect to the body.Type: ApplicationFiled: August 16, 2011Publication date: February 23, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Tomoki Takahashi, Yasuhiro Hamada
-
Patent number: 8042860Abstract: There is provided a door structure for a vehicle. The door structure comprises an upper door hinge; a lower door hinge; a door main body having an upper hinge mounting portion at which the door main body is mounted with the upper door hinge and a lower hinge mounting portion at which the door main body is mounted with the lower door hinge; an outer impact bar disposed in the door main body and extending in a longitudinal direction of the vehicle; an inner impact bar disposed in the door main body and extending in a longitudinal direction of the vehicle; and a connecting bracket connecting the front end of the outer impact bar and the front end of the inner impact bar to the upper hinge mounting portion of the door main body.Type: GrantFiled: October 27, 2009Date of Patent: October 25, 2011Assignee: Mazda Motor CorporationInventors: Tomoki Takahashi, Ryuji Nonaka, Hisatoshi Kinoshita, Keisuke Kondou
-
Publication number: 20100148535Abstract: There is provided a door structure for a vehicle. The door structure comprises an upper door hinge; a lower door hinge; a door main body having an upper hinge mounting portion at which the door main body is mounted with the upper door hinge and a lower hinge mounting portion at which the door main body is mounted with the lower door hinge; an outer impact bar disposed in the door main body and extending in a longitudinal direction of the vehicle; an inner impact bar disposed in the door main body and extending in a longitudinal direction of the vehicle; and a connecting bracket connecting the front end of the outer impact bar and the front end of the inner impact bar to the upper hinge mounting portion of the door main body.Type: ApplicationFiled: October 27, 2009Publication date: June 17, 2010Applicant: MAZDA MOTOR CORPORATIONInventors: Tomoki Takahashi, Ryuji Nonaka, Hisatoshi Kinoshita, Keisuke Kondou
-
Patent number: 7436453Abstract: An electronic apparatus is disclosed which is structured so that a plurality of connectors can be arranged efficiently while plugs are allowed to be connected easily thereto. The electronic apparatus comprises a first connector having a connection port on a first face of the body of the apparatus, and a second connector having a connection port on a second face, adjacent to the first face, of the body of the apparatus, and a single circuit board, accommodated inside the body. In addition, the first connector is disposed in an area between the first face and the second connector.Type: GrantFiled: August 19, 2004Date of Patent: October 14, 2008Assignee: Canon Kabushiki KaishaInventor: Tomoki Takahashi
-
Patent number: 7190534Abstract: An object is to provide an image pick up apparatus in which positioning of a lens barrel unit relative to a front cover with respect to the optical axis direction and directions perpendicular to the optical axis can be effected with high accuracy. In an image pick up apparatus including a lens barrel unit 201 having a photographing optical system, a structure 216 that holds the lens barrel unit 201 in such a way that the lens barrel unit 201 is movable in the direction of the optical axis of the photographing optical system and directions perpendicular to the optical axis and a front cover 205 that covers the front side of the image pick up apparatus, the position of the lens barrel unit 201 relative to the front cover with respect to directions perpendicular to the optical axis and with respect to the optical axis direction is determined by the front cover 205 when the front cover 205 is assembled.Type: GrantFiled: January 12, 2006Date of Patent: March 13, 2007Assignee: Canon Kabushiki KaishaInventor: Tomoki Takahashi
-
Publication number: 20060158750Abstract: An object is to provide an image pick up apparatus in which positioning of a lens barrel unit relative to a front cover with respect to the optical axis direction and directions perpendicular to the optical axis can be effected with high accuracy. In an image pick up apparatus including a lens barrel unit 201 having a photographing optical system, a structure 216 that holds the lens barrel unit 201 in such a way that the lens barrel unit 201 is movable in the direction of the optical axis of the photographing optical system and directions perpendicular to the optical axis and a front cover 205 that covers the front side of the image pick up apparatus, the position of the lens barrel unit 201 relative to the front cover with respect to directions perpendicular to the optical axis and with respect to the optical axis direction is determined by the front cover 205 when the front cover 205 is assembled.Type: ApplicationFiled: January 12, 2006Publication date: July 20, 2006Inventor: Tomoki Takahashi
-
Patent number: 6867528Abstract: A brush assembly is constructed such that a brush and a brush terminal are linked by means of a pigtail, a brush spring is disposed under compression between the brush and the brush terminal, and a cylindrical guide is disposed near the brush terminal inside the brush spring.Type: GrantFiled: June 12, 2003Date of Patent: March 15, 2005Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hirokazu Inoue, Hidehiko Kitahara, Hideyuki Hayashi, Tomoki Takahashi
-
Patent number: 6867529Abstract: The present invention provides an automotive alternator enabling a brush replacement operation to be improved by making a cap covering an opening portion for brush replacement formed in a case insertable to simplify removal and replacement of the cap. A brush holder through which a brush insertion aperture is disposed and into a head portion of which a cover is fitted is disposed inside a case such that an aperture direction of the brush insertion aperture is perpendicular to an axial direction of a shaft, and a brush is disposed so as to be held inside the brush insertion aperture and slide in contact with a slip ring fixed to the shaft. An opening portion for brush replacement is formed in a portion of the case facing the cover, and a cap is insertably mounted to this opening portion.Type: GrantFiled: April 12, 2002Date of Patent: March 15, 2005Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hirokazu Inoue, Tomoki Takahashi, Hideyuki Hayashi
-
Publication number: 20050054227Abstract: An electronic apparatus is disclosed which is structured so that a plurality of connectors can be arranged efficiently while plugs are allowed to be connected easily thereto. The electronic apparatus comprises a first connector having a connection port on a first face of the body of the apparatus, and a second connector having a connection port on a second face, adjacent to the first face, of the body of the apparatus, and a single circuit board, accommodated inside the body. In addition, the first connector is disposed in an area between the first face and the second connector.Type: ApplicationFiled: August 19, 2004Publication date: March 10, 2005Inventor: Tomoki Takahashi
-
Patent number: 6798108Abstract: An automotive alternator includes a case, a rotor disposed inside the case, the rotor including a rotor coil and claw-shaped magnetic poles covering the rotor coil, the claw-shaped magnetic poles being magnetized into North-seeking (N) and South-seeking (S) poles by a magnetic flux, a stator including a stator core provided with slots and a stator winding mounted to the stator core, brushes for supplying electric current from an electric power supply to the rotor coil, and a brush holding assembly secured to the case, the brush holding assembly being provided with a cover and a holding portion for holding the brushes within the holding portion, an open portion for removal and insertion of the brushes being formed at a position on the case facing the cover.Type: GrantFiled: November 19, 2001Date of Patent: September 28, 2004Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tomoki Takahashi, Hideki Morikaku, Yoshihito Asao
-
Publication number: 20040130233Abstract: The present invention provides an automotive alternator enabling a brush replacement operation to be improved by making a cap covering an opening portion for brush replacement formed in a case insertable to simplify removal and replacement of the cap.Type: ApplicationFiled: October 16, 2003Publication date: July 8, 2004Inventors: Hirokazu Inoue, Tomoki Takahashi, Hideyuki Hayashi
-
Publication number: 20030230952Abstract: A brush assembly is constructed such that a brush and a brush terminal are linked by means of a pigtail, a brush spring is disposed under compression between the brush and the brush terminal, and a cylindrical guide is disposed near the brush terminal inside the brush spring.Type: ApplicationFiled: June 12, 2003Publication date: December 18, 2003Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Hirokazu Inoue, Hidehiko Kitahara, Hideyuki Hayashi, Tomoki Takahashi