Patents by Inventor Hiroshi Ogasawara
Hiroshi Ogasawara 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: 20160033122Abstract: An optical module having a high-moisture-proof package structure in which dew condensation does not occur is provided. An optical module includes optical components including a light source, a pedestal on which the optical components are mounted, a cover which is combined to the pedestal to seal the optical components, and an emitting window disposed in the cover to take light from the light source outside. The pedestal and the cover are sealed with an O ring and a liquid seal material such that a compression direction of the O ring and a compression direction of the liquid seal material are almost perpendicular to each other.Type: ApplicationFiled: July 10, 2015Publication date: February 4, 2016Inventors: Yukio SAKIGAWA, Masayuki OKAMURA, Hiroaki FURUICHI, Hiroshi OGASAWARA, Kenji WATABE, Fumihito ICHIKAWA, Tatsuya YAMASAKI
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Publication number: 20160021349Abstract: An optical module has light source mounting parts that include a reinforcement plate for a circuit board on which a light source is mounted, and is attached to a lateral surface of a housing. The optical module includes a protrusion and a thermally conductive member. The protrusion is formed on the outer circumference of the lateral surface of the housing. The thermally conductive member includes a first surface and a second surface. The first surface is thermally conductively connected to a surface of the reinforcement plate. The second surface is thermally conductively connected to the protrusion. The thermally conductive member has an inclined surface on the back side of the first surface. The inclined surface is formed along the first surface in such a manner that the thickness between the first surface and the inclined surface increases with a decrease in the distance to the second surface.Type: ApplicationFiled: June 25, 2015Publication date: January 21, 2016Inventors: Seiichi KATOU, Hiroshi OGASAWARA, Fumihito ICHIKAWA
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Patent number: 9235354Abstract: A storage network system that prevents waste of a core's resources and is thereby operated efficiently, and a method for controlling such a storage network system are provided. Policy differences between a core and a plurality of edges are buffered by enabling hierarchical control of data storage on the side of the plurality of edges in cooperation with hierarchical control of data storage on the core side, and the buffered policy is applied to the hierarchical control of the data storage on the core side.Type: GrantFiled: April 13, 2010Date of Patent: January 12, 2016Assignee: HITACHI, LTD.Inventors: Hiroshi Ogasawara, Takahiro Nakano, Hitoshi Kamei
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Publication number: 20140237204Abstract: A storage system comprises a second NAS storage apparatus comprising a processor and a storage medium and a third NAS storage apparatus for migrating an object managed by a first NAS storage apparatus. The processor stores path information of an object for which migration has started after including the path information in object management information, in the storage medium prior to migrating the object entity to the third NAS storage apparatus. The processor, after receiving the object entity from the first NAS storage apparatus and migrating the object entity to the third NAS storage apparatus, stores the third NAS storage apparatus path information to the object entity in the object management information, and reflects the management information in the third NAS storage apparatus.Type: ApplicationFiled: April 29, 2014Publication date: August 21, 2014Applicant: Hitachi, Ltd.Inventors: Hiroshi OGASAWARA, Hitoshi ARAI, Homare KANIE
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Patent number: 8725695Abstract: A storage system comprises a second NAS storage apparatus comprising a processor and a storage medium and a third NAS storage apparatus for migrating an object managed by a first NAS storage apparatus. The processor stores path information of an object for which migration has started after including the path information in object management information, in the storage medium prior to migrating the object entity to the third NAS storage apparatus. The processor, after receiving the object entity from the first NAS storage apparatus and migrating the object entity to the third NAS storage apparatus, stores the third NAS storage apparatus path information to the object entity in the object management information, and reflects the management information in the third NAS storage apparatus.Type: GrantFiled: October 28, 2011Date of Patent: May 13, 2014Assignee: Hitachi, Ltd.Inventors: Hiroshi Ogasawara, Hitoshi Arai, Homare Kanie
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Patent number: 8503864Abstract: In a mobile terminal provided with an encoded data recording function, there is assumed a condition in which a picture frame transmitted from the terminal of a communication partner is reproduced by means of decoding processing and is displayed on a LCD (34) during wireless TV phone communication. In this condition, when a user carries out a picture recording start operation, display picture data reproduced by means of decoding processing in the multimedia processing section (24) to be displayed on the LCD (34) are recorded in a main recording section (26).Type: GrantFiled: April 25, 2008Date of Patent: August 6, 2013Assignee: Fujitsu Mobile Communications LimitedInventors: Seiji Oura, Yuichi Sato, Yasunori Arai, Osamu Yamagishi, Yoshihiro Kataoka, Hiroshi Ogasawara, Koichi Ito, Kentoku Yamaguchi
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Patent number: 8498190Abstract: An optical head capable of recording or playing back optical discs is provided. The optical disc comprises a light source to emit a beam, an objective to focus the beam on an optical disc, a beam dividing element having a plurality of divided areas with which to divide a cross section of the beam reflected from the optical disc, and a light detector to receive the beams divided by the beam dividing element, wherein the beam dividing element has in at least one of the plurality of areas an aberration imparting function of imparting an astigmatism or defocus aberration to a beam passing through that area.Type: GrantFiled: February 15, 2012Date of Patent: July 30, 2013Assignee: Hitachi Media Electronics Co., Ltd.Inventors: Tomoto Kawamura, Hiroshi Ogasawara, Kotaro Oishi, Yoshio Okamoto
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Publication number: 20130110891Abstract: A storage system comprises a second NAS storage apparatus and a third NAS storage apparatus for migrating an object managed by a first NAS storage apparatus. The second NAS storage apparatus comprises a processor and a storage medium, which is able to store data. The processor of the second NAS storage apparatus, with respect to an object for which a migration from the first NAS storage apparatus has started, stores path information of the object in the first NAS storage apparatus after including the path information in object management information, in the storage medium prior to migrating the object entity to the third NAS storage apparatus. Also, the processor, after receiving the object entity from the first NAS storage apparatus and migrating the object entity to the third NAS storage apparatus, stores the third NAS storage apparatus path information to the object entity in the object management information, and reflects the management information in the third NAS storage apparatus.Type: ApplicationFiled: October 28, 2011Publication date: May 2, 2013Inventors: Hiroshi Ogasawara, Hitoshi Arai, Homare Kanie
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Patent number: 8289824Abstract: An optical pickup apparatus comprises a laser beam source to generate laser beam, and a laser driving circuit to drive the laser beam source. The laser driving circuit is connected to a flexible substrate and arranged in a groove or hole provided in the vicinity of that portion of an optical pickup housing, to which the laser beam source is fixed. The laser driving circuit is connected through a heat conduction member to an upper cover among upper and lower covers, the upper cover being close to the laser driving circuit. Thereby, heat generated from the laser driving circuit is conducted through the heat conduction member to the upper cover to be transferred outside the optical pickup apparatus while being scattered in an inplane direction of the upper cover.Type: GrantFiled: September 19, 2008Date of Patent: October 16, 2012Assignee: Hitachi, Ltd.Inventors: Manabu Ochi, Hiroshi Ogasawara, Hirofumi Taguchi, Seiichi Katou
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Publication number: 20120218874Abstract: An optical head capable of recording or playing back optical discs is provided. The optical disc comprises a light source to emit a beam, an objective to focus the beam on an optical disc, a beam dividing element having a plurality of divided areas with which to divide a cross section of the beam reflected from the optical disc, and a light detector to receive the beams divided by the beam dividing element, wherein the beam dividing element has in at least one of the plurality of areas an aberration imparting function of imparting an astigmatism or defocus aberration to a beam passing through that area.Type: ApplicationFiled: February 15, 2012Publication date: August 30, 2012Inventors: Tomoto KAWAMURA, Hiroshi Ogasawara, Kotaro Oishi, Yoshio Okamoto
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Patent number: 8243575Abstract: A thin-type optical head, smaller in optic mounting spaces comprising to the conventional one, in an optic system enabling with BD including a 2-layers BD, DVD an CD, comprises a light source, for emit a light beam therefrom; an optical branch element for penetrating a predetermined amount of lights, therethrough, of an incident light beam thereon, and to reflecting remaining amount of lights thereupon; a light focusing element for focusing the light beam upon an optical information recording medium; a photo detector for receiving the light beam reflecting upon the optical information recording medium; and an optical path converter element for converting an angle of an optical path, on which the light beam propagates, wherein the optical path converter element is disposed on an optical path of the light beam between the optical branch element and the photo detector, or between the optical branch element and the light source, and has an incident surface, upon which the light beam enters, and an emission surfacType: GrantFiled: November 29, 2010Date of Patent: August 14, 2012Assignee: Hitachi Media Electronics Co., Ltd.Inventors: Tomoto Kawamura, Hiromi Kita, Hiroshi Ogasawara, Michio Hatagi
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Patent number: 8144565Abstract: An optical head and an apparatus using the optical head are shown. The optical head includes a light-emitting element, a first polarized light diverging element for transmitting the light beam of a first polarization direction and reflecting the light beam of a second polarization direction orthogonal to the first polarization direction, a second polarized light diverging element for transmitting or reflecting the light beam of the first polarization direction, a converging element for converging the light beam on an information recording medium, a reflection element for reflecting a first reflected light beam reflected on the information recording medium and reflected on or transmitted through the second polarized light diverging element, and a detection element for detecting a second reflected light beam reflected on the reflection element and transmitted through or reflected on the second polarized light diverging element.Type: GrantFiled: January 26, 2009Date of Patent: March 27, 2012Assignee: Hitachi Media Electronics Co., Ltd.Inventors: Tomoto Kawamura, Hiroshi Ogasawara
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Patent number: 8099551Abstract: Provided is a storage controller capable of improving the access performance to the storage device by preventing an I/O access request to the storage device from being concentrated on certain I/O processors among a plurality of I/O processor, and causing the plurality of I/O processors to issue the I/O access request in a well balanced manner. With this storage control system, a plurality of stripe units are formed by striping the logical volume into a stripe size of an arbitrary storage capacity, and information regarding which I/O processor among the plurality of I/O processors will output the I/O request to which stripe unit among the plurality of stripe units is stored as the control information in the memory.Type: GrantFiled: September 24, 2010Date of Patent: January 17, 2012Assignee: Hitachi, Ltd.Inventors: Naotaka Kobayashi, Kunihito Matsuki, Hiroshi Ogasawara, Youichi Gotoh
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Patent number: 8072155Abstract: An electrodeless discharge lamp device comprises an induction coil, a pair of cores 1a, 1b, and thermal conductor 2. The cores 1a, 1b are configured to generate a high-frequency electromagnetic field for exciting a discharge gas with receiving a high frequency electric power. Each of the cores is arranged to give an overall circumference around which the induction coil is wound. The thermal conductor is formed into an approximately cylindrical shape and inserted into the space so as to be thermally coupled with the cores for radiating heat generated at the cores. The core has its inside face at least center portion of which is spaced radially from the thermal conductor by a predetermined distance.Type: GrantFiled: March 27, 2007Date of Patent: December 6, 2011Assignees: Panasonic Electric Works Co., Ltd., Ikeda Electric Co., Ltd.Inventors: Hiroshi Ogasawara, Ryusuke Ura, Hidenori Kakehashi, Yoshinobu Shibata
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Publication number: 20110252198Abstract: A storage network system that prevents waste of a core's resources and is thereby operated efficiently, and a method for controlling such a storage network system are provided. Policy differences between a core and a plurality of edges are buffered by enabling hierarchical control of data storage on the side of the plurality of edges in cooperation with hierarchical control of data storage on the core side, and the buffered policy is applied to the hierarchical control of the data storage on the core side.Type: ApplicationFiled: April 13, 2010Publication date: October 13, 2011Applicant: HITACHI, LTD.Inventors: Hiroshi Ogasawara, Takahiro Nakano, Hitoshi Kamei
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Publication number: 20110182164Abstract: A thin-type optical head, smaller in optic mounting spaces comprising to the conventional one, in an optic system enabling with BD including a 2-layers BD, DVD an CD, comprises a light source, for emit a light beam therefrom; an optical branch element for penetrating a predetermined amount of lights, therethrough, of an incident light beam thereon, and to reflecting remaining amount of lights thereupon; a light focusing element for focusing the light beam upon an optical information recording medium; a photo detector for receiving the light beam reflecting upon the optical information recording medium; and an optical path converter element for converting an angle of an optical path, on which the light beam propagates, wherein the optical path converter element is disposed on an optical path of the light beam between the optical branch element and the photo detector, or between the optical branch element and the light source, and has an incident surface, upon which the light beam enters, and an emission surfacType: ApplicationFiled: November 29, 2010Publication date: July 28, 2011Inventors: Tomoto KAWAMURA, Hiromi KITA, Hiroshi OGASAWARA, Michio HATAGI
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Patent number: 7908513Abstract: A method of installing software on a storage device controlling apparatus which includes at least one channel controller having a circuit board on which are formed a file access processing section receiving requests to input and output data in files as units from an information processing apparatus via a first network and an I/O processor outputting I/O requests corresponding to the requests to input and output data to a storage device; at least one disk controller executing input and output of data into and from the storage device in response to the I/O requests sent from the I/O processor; and a second network connecting the channel controller and the disk controller so as to be able to communicate with each other, the method comprises the step of writing software for enabling the file access processing section to function, into the storage device by communicating with the channel controller via the second network.Type: GrantFiled: November 8, 2007Date of Patent: March 15, 2011Assignee: Hitachi, Ltd.Inventors: Hiroshi Ogasawara, Yutaka Takata, Naotaka Kobayashi, Jinichi Shikawa, Nobuyuki Saika
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Patent number: 7884546Abstract: An electrodeless discharge lamp apparatus is provided which is increased in heat dissipation, making it possible to adapt to an increase in output of the apparatus. The electrodeless discharge lamp apparatus comprises a bulb containing a discharge gas and a coupler accommodated in a cavity formed in the bulb for generating a high frequency electromagnetic field. The coupler has: an induction coil; a core inserted into the coil; a heat conductor for conducting heat generated from the coil and the core; and a bobbin made of resin which accommodates the core and the heat conductor therein, and which has the coil wound therearound. The bobbin is designed to be separated in a radial direction of the coil, so that it is possible to separately mold the respective parts of the bobbin.Type: GrantFiled: September 28, 2005Date of Patent: February 8, 2011Assignees: Panasonic Electric Works Co., Ltd., Ikeda Electric Co., Ltd.Inventors: Hiroshi Ogasawara, Hiroshi Miyasaki, Hidenori Kakehashi, Keisuke Harada, Yoshinobu Shibata
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Publication number: 20110029732Abstract: Provided is a storage controller capable of improving the access performance to the storage device by preventing an I/O access request to the storage device from being concentrated on certain I/O processors among a plurality of I/O processor, and causing the plurality of I/O processors to issue the I/O access request in a well balanced manner. With this storage control system, a plurality of stripe units are formed by striping the logical volume into a stripe size of an arbitrary storage capacity, and information regarding which I/O processor among the plurality of I/O processors will output the I/O request to which stripe unit among the plurality of stripe units is stored as the control information in the memory.Type: ApplicationFiled: September 24, 2010Publication date: February 3, 2011Inventors: Naotaka Kobayashi, Kunihito Matsuki, Hiroshi Ogasawara, Youichi Gotoh
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Patent number: 7882206Abstract: A storage device system has a plurality of storage devices for storing information; a storage device control section that controls storage of information in the storage devices; and a connection unit connected to the storage device control section. Furthermore, the storage device system has a first communication control section that includes a first processor which is connected to the storage device control section via the connection unit and also connected on a first network external to the storage device system, which converts information of a first form received over the first external network into information of a second form, and which issues a request for access to the storage devices; and a second processor which accesses the storage devices via the connection unit and the storage device control section in response to the access request issued from the first processor, and which controls activation of the first processor.Type: GrantFiled: January 2, 2009Date of Patent: February 1, 2011Assignee: Hitachi, Ltd.Inventors: Hiroshi Ogasawara, Yutaka Takata, Naotaka Kobayashi