Patents by Inventor Haruhisa Maruyama
Haruhisa Maruyama 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: 7170746Abstract: A heat-emitting element cooling apparatus that can improve a cooling effect on a heat-emitting element without increasing its size is provided. A heat sink is so constructed that all or part of radiation fins are located outside the contour of a base as seen from a side on which an axial flow fan unit is mounted. Then, the axial flow fan unit is so constructed as to discharge air along the portions of the radiation fin located outside the contour of the base.Type: GrantFiled: April 1, 2005Date of Patent: January 30, 2007Assignee: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Haruhisa Maruyama, Masayuki Iijima
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Publication number: 20050253467Abstract: There is provided a fan unit in which when the fan unit is conveyed, existence of a plurality of lead wires will not become an obstacle to the conveyance. Four lead wire engaging sections 27, 29, 31, and 33 are provided along the contour of an outer wall section 25 of a fan casing 15 as the fan casing 15 is viewed from a predetermined position in a forward direction. Then, the lead wire engaging sections 27, 29, 31 and 33 are configured to engage a part of lead wires 24 so as to prevent the lead wires 24 from coming out of the fan casing 15 one or more during the conveyance.Type: ApplicationFiled: May 12, 2005Publication date: November 17, 2005Applicant: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Haruhisa Maruyama
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Patent number: 6927979Abstract: A heat-emitting element cooling apparatus that can improve a cooling effect on a heat-emitting element without increasing its size is provided. A heat sink is so constructed that all or part of radiation fins are located outside the contour of a base as seen from a side on which an axial flow fan unit is mounted. Then, the axial flow fan unit is so constructed as to discharge air along the portions of the radiation fin located outside the contour of the base.Type: GrantFiled: January 10, 2003Date of Patent: August 9, 2005Assignee: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Haruhisa Maruyama, Masayuki Iijima
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Publication number: 20050168946Abstract: A heat-emitting element cooling apparatus that can improve a cooling effect on a heat-emitting element without increasing its size is provided. A heat sink is so constructed that all or part of radiation fins are located outside the contour of a base as seen from a side on which an axial flow fan unit is mounted. Then, the axial flow fan unit is so constructed as to discharge air along the portions of the radiation fin located outside the contour of the base.Type: ApplicationFiled: April 1, 2005Publication date: August 4, 2005Applicant: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Haruhisa Maruyama, Masayuki Iijima
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Publication number: 20050047321Abstract: In one embodiment, a disc has a substrate; a data layer on the substrate; an anomaly-feature in the data layer disc capable of generating a read anomaly having a predictable anomaly profile; and anomaly profile data recorded in the data layer for characterizing the anomaly-feature. A disc can be labeled by imposing an anomaly-feature in the data layer capable of generating a read anomaly having a predictable anomaly profile; and disposing anomaly profile data on the disc, wherein the anomaly profile data characterizes the anomaly-feature.Type: ApplicationFiled: August 24, 2004Publication date: March 3, 2005Inventors: Haruhisa Maruyama, Matthew Niemeyer, David Reis
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Publication number: 20040261976Abstract: An axial-flow fan unit that produces less noise is provided. Blades 19 are exposed from a venturi 29. The shape of each of the blades 19 is so defined that a space formed between at least an inner surface 28a of each of web leg sections 28A to 28C and an edge 19a of each of the blades 19 located in the radially outward direction of the blades 19 expands toward the ends of the web leg sections 28A to 28C (or web bodies 30A to 30C). With this arrangement, noise produced when the blades 19 rotate along the web leg sections 28A to 28C is reduced.Type: ApplicationFiled: June 29, 2004Publication date: December 30, 2004Applicant: Sanyo Denki Co., LtdInventors: Michinori Watanabe, Toshiki Ogawara, Haruhisa Maruyama
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Publication number: 20040050536Abstract: A heat-emitting element cooling apparatus that can improve a cooling effect on a heat-emitting element without increasing its size is provided. A heat sink is so constructed that all or part of radiation fins are located outside the contour of a base as seen from a side on which an axial flow fan unit is mounted. Then, the axial flow fan unit is so constructed as to discharge air along the portions of the radiation fin located outside the contour of the base.Type: ApplicationFiled: January 10, 2003Publication date: March 18, 2004Inventors: Michinori Watanabe, Toshiki Ogawara, Haruhisa Maruyama, Masayuki Iijima
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Patent number: 6621699Abstract: An electronic component cooling apparatus is provided that can prevent a reduction in a heat dissipation effect on an electronic component with a pushing force toward a heat sink thereof being applied to the opposite wall of a casing thereof. Pushing force transferring sections 37 for transferring a pushing force from mounting tools 35 to a heat sink 3 through contact with leading ends of radiation fins 11 are integrally formed on a pair of wall sections 25a of a casing 21. The pushing force transfer sections 37 have a shape that can distribute the pushing force and transfer distributed force to the heat sink 3 so as to prevent a force applied to an electronic component MPU by the pushing force from being locally and extremely increased.Type: GrantFiled: June 28, 2002Date of Patent: September 16, 2003Assignee: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Haruhisa Maruyama
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Patent number: 6527904Abstract: The method of producing a two-disc laminated optical video disc, includes first forming, on a first substrate, a first reflecting film capable of partially reflecting and partially transmitting a laser beam. Next on a second substrate, a second reflecting film is formed having a reflectance higher than that of the first reflecting film. A liquid ultraviolet-setting resin is applied to the first reflecting film and/or the second reflecting film. The above treated first substrate and the second substrate are bonded together, with a light-transmissible middle layer interposed therebetween. The liquid ultraviolet-setting resin is solidified by means of an ultraviolet light directed from below the first substrate.Type: GrantFiled: September 11, 1998Date of Patent: March 4, 2003Assignees: Pioneer Electronic Corporation, Pioneer Video CorporationInventors: Haruhisa Maruyama, Masayuki Uno, Hirotoshi Tabuchi, Jiro Fujimori, Masaaki Motokawa
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Publication number: 20030002257Abstract: An electronic component cooling apparatus is provided that can prevent a reduction in a heat dissipation effect on an electronic component with a pushing force toward a heat sink thereof being applied to the opposite wall of a casing thereof. Pushing force transferring sections 37 for transferring a pushing force from mounting tools 35 to a heat sink 3 through contact with leading ends of radiation fins 11 are integrally formed on a pair of wall sections 25a of a casing 21. The pushing force transfer sections 37 have a shape that can distribute the pushing force and transfer distributed force to the heat sink 3 so as to prevent a force applied to an electronic component MPU by the pushing force from being locally and extremely increased.Type: ApplicationFiled: June 28, 2002Publication date: January 2, 2003Applicant: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Haruhisa Maruyama
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Patent number: 6480383Abstract: An electronic component cooling apparatus capable of firmly mounting a fan unit mounting frame on a heat sink without increasing mechanical strength of the fan unit mounting frame. The fan unit mounting frame includes a pair of mounting legs provided thereon with hooks, which are engaged with hook engagements provided on a base of the heat sink. A top plate of the fan unit mounting frame is provided thereon with projections acting as a first pivotal movement preventing engagement structure and fitted in gaps defined between adjacent radiation fins of a radiation fin unit. Also, the top plate is provided thereon with projections which are abutted against end surfaces of the radiation fins positioned in a second direction, to thereby act as a second pivotal movement preventing engagement structure for preventing pivotal movement of the top plate in the second direction.Type: GrantFiled: September 25, 2001Date of Patent: November 12, 2002Assignee: Sanyo Denki Co., Ltd.Inventors: Yuichi Kodaira, Haruhisa Maruyama, Naoko Ishiwatari
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Patent number: 6419007Abstract: A heat sink-equipped cooling apparatus capable of exhibiting increased cooling performance and durability and being reduced in dimensions in a radial direction thereof. A heat sink includes a radiation fin unit including a plurality of radiation fins arranged so as to surround a virtual central line while keeping a center thereof aligned with the central line. A cooling fan includes an impeller including a plurality of blades and rotated through a motor. The cooling fan is mounted on the heat sink in such a manner that the impeller is positioned above the radiation fin unit of the heat sink. The radiation fins each are inclined with respect to a virtual vertical plane so as to form a predetermined inclination angle &thgr; therebetween. The inner edges of the radiation fins are connected in a manner to be heat-transferable or in a manner that a thermally conductive passage is formed between the inner edges.Type: GrantFiled: May 24, 2001Date of Patent: July 16, 2002Assignee: Sanyo Denki Co., Ltd.Inventors: Toshiki Ogawara, Haruhisa Maruyama, Michinori Watanabe, Noriyasu Sasa
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Patent number: 6411510Abstract: A heat sink-equipped cooling apparatus capable of exhibiting increased cooling performance and durability and being reduced in dimensions in a radial direction thereof. A heat sink includes a radiation fin unit including a plurality of radiation fins arranged so as to surround a virtual central line while keeping a center thereof aligned with the central line. A cooling fan includes an impeller including a plurality of blades and rotated through a motor. The cooling fan is mounted on the heat sink in such a manner that the impeller is positioned above the radiation fin unit of the heat sink. The radiation fins each are inclined with respect to a virtual vertical plane so as to form a predetermined inclination angle &thgr; therebetween.Type: GrantFiled: February 7, 2001Date of Patent: June 25, 2002Assignee: Sanyo Denki Co., Ltd.Inventors: Noriyasu Sasa, Toshiki Ogawara, Michinori Watanabe, Haruhisa Maruyama
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Patent number: 6405436Abstract: A heat sink preform having a base 2, a fan case engagement portion 3 and a radiating fin formation portion is integrally formed by extrusion molding. A plurality of radiating fins 5 having a tong ratio which is defined as a ration of the height of the radiating fins with respect to the interval dimension between neighboring radiating fins of more than or equal to 10 is formed by subjecting the radiating fin formation portion to cutting work. In this way, a cooling fan attached type heat sink with a plurality of radiating fins having a shape that is difficult to be formed or cannot be formed or having a large tong ratio can be produced with low costs and with relative ease.Type: GrantFiled: August 29, 2000Date of Patent: June 18, 2002Assignee: Sanyo Denki Co., Ltd.Inventors: Toshiki Ogawara, Yuichi Kodaira, Haruhisa Maruyama
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Publication number: 20020039281Abstract: An electronic component cooling apparatus capable of firmly mounting a fan unit mounting frame on a heat sink without increasing mechanical strength of the fan unit mounting frame. The fan unit mounting frame includes a pair of mounting legs provided thereon with hooks, which are engaged with hook engagements provided on a base of the heat sink. A top plate of the fan unit mounting frame is provided thereon with projections acting as a first pivotal movement preventing engagement structure and fitted in gaps defined between adjacent radiation fins of a radiation fin unit. Also, the top plate is provided thereon with projections which are abutted against end surfaces of the radiation fins positioned in a second direction, to thereby act as a second pivotal movement preventing engagement structure for preventing pivotal movement of the top plate in the second direction.Type: ApplicationFiled: September 25, 2001Publication date: April 4, 2002Applicant: Sanyo Denki Co., Ltd.Inventors: Yuichi Kodaira, Haruhisa Maruyama, Naoko Ishiwatari
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Patent number: 6312547Abstract: A method is disclosed for manufacturing an optical disk with multiple layers efficiently with improved reliability. An optically transparent sheet is laminated on a first information recording surface, and an ultraviolet light hardened resin is formed thereon which has a second information recording surface.Type: GrantFiled: March 17, 2000Date of Patent: November 6, 2001Assignees: Pioneer Corporation, Pioneer Video CorporationInventors: Jiro Fujimori, Masaaki Motokawa, Haruhisa Maruyama
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Patent number: D501450Type: GrantFiled: June 10, 2003Date of Patent: February 1, 2005Assignee: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima, Haruhisa Maruyama
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Patent number: D509483Type: GrantFiled: December 23, 2003Date of Patent: September 13, 2005Assignee: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima, Haruhisa Maruyama
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Patent number: D511326Type: GrantFiled: December 23, 2003Date of Patent: November 8, 2005Assignee: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima, Haruhisa Maruyama
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Patent number: D516526Type: GrantFiled: December 23, 2003Date of Patent: March 7, 2006Assignee: Sanyo Denki Co., Ltd.Inventors: Michinori Watanabe, Toshiki Ogawara, Masayuki Iijima, Haruhisa Maruyama