Patents Assigned to Hitachi
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Patent number: 8827459Abstract: An optical unit includes a light source that emits light to be projected onto a screen, one or a plurality of optical elements that controls a spread of a beam of light from the light source to the screen, a combining element that combines the light emitted from the light source, and a scanning element. The light source outputs an optical beam that will generate an elliptically shaped beam spot on the screen, the beam spot having a major axis substantially perpendicular to a scanning direction, and the light source is driven with pulse width modulation (PWM) so that one driven pulse corresponds to one beam spot on the screen.Type: GrantFiled: August 29, 2013Date of Patent: September 9, 2014Assignee: Hitachi Consumer Electronics Co., Ltd.Inventors: Mayumi Nagayoshi, Satoshi Ouchi, Tadayoshi Kosaka, Tomoki Kobori, Yoshiho Seo
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Patent number: 8831873Abstract: Provided is a navigation technique for aiding a user to develop a plan for traveling around a plurality of destinations. The navigation device causes a display unit to display a first display area and a second display area. The first display area displays icon information for specifying a facility and positional information thereof. The second display area displays a time line of a predetermined period. When the user disposes a plurality of pieces of icon information on the time line, the navigation device retrieves a route for traveling around the disposed facilities in order. As to icon information of a facility at which the user cannot arrive at the time corresponding to a position where the icon information is disposed, the navigation device indicates that the icon information is inappropriate.Type: GrantFiled: July 30, 2010Date of Patent: September 9, 2014Assignees: Clarion Co., Ltd., Hitachi, Ltd.Inventors: Shotaro Tamayama, Takaaki Ishii, Kyoko Okoshi, Tomohiro Harada
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Patent number: 8830781Abstract: A storage apparatus writes data to a storage drive or reads data from a storage drive in response to an I/O request sent from a server. The storage apparatus includes a plurality of AC-DC power supplies supplying the storage drive with drive power is provided with a plurality of power supply paths provided for the respective AC-DC power supplies. A plurality of gate units are provided to the respective power supply paths and configured to stop supplying drive power to the storage drive through the corresponding power supply path when detecting voltage abnormality in the drive power supplied from the AC-DC power supply to the storage drive. The power supply paths allow each of the storage drives belonging to a same RAID group to receive the supply of the drive power from the AC-DC power supplies through different power supply paths, respectively.Type: GrantFiled: December 18, 2013Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventors: Ryohei Oguro, Yosuke Tsuyuki
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Patent number: 8828257Abstract: In a plasma processing apparatus including a processing chamber in a vacuum container to form plasma in the processing chamber in which pressure is reduced, a sample stage in lower part of inside of the processing chamber and having an upper surface on which a wafer to be processed by plasma is put, a plurality of pins in the sample stage to be moved in vertical direction so that the pins abut against rear side of the wafer to move the wafer up and down over the upper surface of the sample stage, and a plurality of openings formed in the upper surface of the sample stage so that the pins are moved in the openings, gas is fed from supply ports communicating with the openings into the processing chamber through the openings when the wafer is not put on the upper surface of the sample stage.Type: GrantFiled: February 26, 2009Date of Patent: September 9, 2014Assignee: Hitachi High-Technologies CorporationInventors: Hiroho Kitada, Kazunori Nakamoto, Yosuke Sakai
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Patent number: 8832397Abstract: Availability of an information system including a storage apparatus and a host computer is improved. A host system includes a first storage apparatus provided with a first volume for storing data, and a second storage apparatus for storing the data sent from the first storage apparatus. In case of a failure occurring in the first storage apparatus, the host sends the data to be sent to the first storage apparatus to the second storage apparatus.Type: GrantFiled: August 2, 2012Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventors: Takashige Iwamura, Kenta Ninose, Yoshiaki Eguchi, Yasuo Watanabe, Hisao Homma, Yasutomo Yamamoto
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Patent number: 8831306Abstract: At each of mutually different multiple focal positions, focal adjustment parameter values are obtained from images of standard particles made of the same substance. Each focal adjustment parameter value is figured out as any one of the ratio between the density value around the center of the standard particle image and the density value around the outline, the difference therebetween, and the density value around the center. The in-focus position is adjusted on the basis of the relationship between the obtained focal adjustment parameter values and the focal positions. Moreover, on the basis of the relationship between the focal adjustment parameter values and the focal positions, the parameter values are converted into focal positions, and the focal positions and dispersion thereof are used to check the displacement of the in-focus position and the thickness of the sample liquid.Type: GrantFiled: May 17, 2010Date of Patent: September 9, 2014Assignee: Hitachi High-Technologies CorporationInventors: Chihiro Manri, Norio Oowada, Satoshi Mitsuyama
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Patent number: 8831441Abstract: To reduce PAPR in an optical OFDM communication system, light is phase-modulated by a base-band OFDM signal which is the output of a transmission signal processing unit 100 provided in an inner section of an optical receiver. When optical communication is implemented with the light as signal light, PAPR of low level of almost 0 dB can be achieved at places in an inner section of an optical fiber wherein the optical power is large. The signal light is propagated along an optical fiber which is a transmission path, the light is passed through a delay interferometer, and converted to electrical signals by two optical receivers. Each of the two electrical signals is converted to a subcarrier by FFT signal processing and an AD converter disposed in an inner section of the optical receivers, then, subcarriers having the same frequency are subtracted and decoded, and data is regenerated.Type: GrantFiled: June 3, 2010Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventor: Shinya Sasaki
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Patent number: 8832396Abstract: A controller for the storage apparatus: creates a second logical volume in a storage area provided by one or more storage devices; stores management information of a snapshot of a first logical volume, which is to be provided to a host computer, in the second logical volume; and reads the management information of a necessary snapshot from the second logical volume to a memory when needed, executes processing using the read management information, and returns the management information, which becomes no longer necessary, from the memory to the second logical volume. When reading the management information of the necessary snapshot from the second logical volume to the memory when needed, the controller changes the number of generations and address range of the snapshot of the management information to be read to the memory according to a generation and address of the snapshot whose management information is required.Type: GrantFiled: November 25, 2011Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventors: Masayoshi Ohara, Koji Nagata, Kosuke Sakai
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Patent number: 8832380Abstract: An object of the present invention is to provide a storage system which is shared by a plurality of application programs, wherein optimum performance tuning for a cache memory can be performed for each of the individual application programs. The storage system of the present invention comprises a storage device which provides a plurality of logical volumes which can be accessed from a plurality of application programs, a controller for controlling input and output of data to and from the logical volumes in response to input/output requests from the plurality of application programs, and a cache memory for temporarily storing data input to and output from the logical volume, wherein the cache memory is logically divided into a plurality of partitions which are exclusively assigned to the plurality of logical volumes respectively.Type: GrantFiled: December 6, 2013Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventors: Atushi Ishikawa, Yuko Matsui
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Patent number: 8831892Abstract: A chromatograph analyzing device for automatically executing a base line setting process on an unseparated peak using preset base line conditions. The chromatograph analyzing device includes a separation unit for separating a component included in a sample, and a data processing device for identifying the component of the sample and the quantity of the component in the sample by using a chromatogram obtained from the separation.Type: GrantFiled: August 10, 2012Date of Patent: September 9, 2014Assignee: Hitachi High-Technologies CorporationInventors: Osamu Watabe, Masahito Ito
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Patent number: 8831317Abstract: Blood streams different in direction can be selectively depicted, and a blood vessel image (MRA image) which has an excellent blood vessel contrast and in which a background signal is suppressed is obtained. Therefore, the present invention sets a pre-saturation area (pre-saturation area) in an area containing at least a part of an imaging area and performs imaging in a blood vessel imaging operation using a pre-saturation pulse for pre-exciting spins.Type: GrantFiled: November 6, 2008Date of Patent: September 9, 2014Assignee: Hitachi Medical CorporationInventors: Hideki Kumai, Taeko Ito
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Patent number: 8830994Abstract: A network system includes a plurality of lower switching hubs, and upper switching hubs connected to each of the lower switching hubs, to relay a normal frame to be transmitted and received between the lower switching hubs. Each of the lower switching hubs includes a lower switch configuring portion for configuring a first link aggregation group for all ports connected to the upper switching hub, and transmitting a first control frame containing its own identifier from all the ports connected to the one or more upper switching hubs. Each of the upper switching hubs includes an upper switch configuring portion for configuring a second link aggregation group for ports connected to a same lower switching hub, based on the first control frames received from the lower switching hubs, and transmitting a second control frame containing its own identifier from the ports configured as the second link aggregation group.Type: GrantFiled: July 19, 2012Date of Patent: September 9, 2014Assignee: Hitachi Metals, Ltd.Inventor: Tomoyoshi Tatsumi
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Patent number: 8831595Abstract: In a wireless communication system including a plurality of base station controllers different in wireless communication method, each of which accommodates a plurality of base stations, a home agent apparatus connected to the base station controllers, and a monitoring apparatus connected to each of the base stations and the base station controllers, the monitoring apparatus acquires communication quality information of each wireless terminal from each of the base stations, and selects a wireless base station having a wireless communication path suitable for the wireless terminal from among wireless base stations different in communication method to which the wireless terminal is connected.Type: GrantFiled: January 18, 2008Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventors: Tsutomu Uchida, Seishi Hanaoka, Masashi Yano, Naruhito Nakahara
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Patent number: 8828607Abstract: It is an object to provide a cathode active material and a cathode which can attain a lithium ion secondary battery with high capacity and high security, and further to provide the lithium ion secondary battery with high capacity and high security. According to the present invention, the cathode active material is represented by the following composition formula: Li1.1+xNiaM1bM2cO2 wherein M1 represents Co, or Co and Mn; M2 represents Mo, W or Nb; ?0.07?x?0.1; 0.6?a?0.9; 0.05?b?0.38; and 0.02?c?0.06.Type: GrantFiled: January 27, 2012Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventors: Hiroaki Konishi, Masanori Yoshikawa
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Patent number: 8828141Abstract: A substrate processing apparatus of the present invention comprises: a processing chamber for storing and processing substrates stacked in multiple stages in horizontal posture; a processing gas supply unit for supplying two or more types of the processing gases to the inside of the processing chamber; an inactive gas supply unit for supplying an inactive gas to the inside of the processing chamber; and an exhaust unit for exhausting an atmosphere of the inside of the processing chamber, wherein the processing gas supply unit has at least two processing gas supply nozzles which extend running along an inner wall of the processing chamber in the stacking direction of the substrates and supply the processing gas to the inside of the processing chamber, and the inactive gas supply unit has a pair of inactive gas supply nozzles which are provided so as to extend running along the inner wall of the processing chamber in the stacking direction of the substrates and so as to sandwich at least one processing gas suppType: GrantFiled: February 20, 2009Date of Patent: September 9, 2014Assignee: Hitachi Kokusai Electric Inc.Inventors: Masanori Sakai, Yuji Takebayashi, Tsutomu Kato, Shinya Sasaki, Hirohisa Yamazaki
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Patent number: 8828184Abstract: A plasma processing apparatus includes a plasma processing chamber, a process monitor which monitors a condition in the plasma processing chamber, an actuator which controls a parameter constituting a plasma processing condition, N+1 correction amount calculating units which calculate a correction amount of a manipulated variable on the basis of a difference between a process monitor value monitored by the process monitor and a desired value of the process monitor and a correlation between the process monitor value and a manipulated variable, which is the parameter, the correlation having been acquired in advance, and N manipulated variable adding units that add a manipulated variable having a priority level next to an N-th manipulated variable. The N-th manipulated variable adding unit defines a correction amount calculated by the N+1-th correction amount calculating unit as the correction amount of an N+1-th manipulated variable.Type: GrantFiled: January 24, 2012Date of Patent: September 9, 2014Assignee: Hitachi High-Technologies CorporationInventors: Akira Kagoshima, Daisuke Shiraishi, Yuji Nagatani
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Patent number: 8832334Abstract: According to an aspect of the invention, a computer comprises a memory; and a processor operable to manage a plurality of path groups, each of which includes a plurality of logical paths associated with a host computer, wherein each logical path of the plurality of logical paths connects the host computer to a logical volume of one or more logical volumes in one or more storage systems. The processor is operable to manage a priority of each path group of the plurality of path groups, and to use a logical path of a first path group instead of a logical path of a second path group for I/O (input/output) usage between the host computer and the one or more storage systems, representing a migration of I/O usage from the second path group to the first path group, based on at least the priorities of the first and second path groups.Type: GrantFiled: August 9, 2012Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventor: Hideki Okita
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Patent number: 8828584Abstract: A lithium-ion rechargeable battery module having a plurality of lithium-ion battery cells, arranged that battery cells located at an high temperature portion of the module are electrically connected in parallel with battery cells located at a low temperature portion of the module. The battery cells at the high temperature portion have a higher electric resistance at 20° C. and a better high-temperature storage characteristic at 50° C. than those of the battery cells located at the low temperature portion.Type: GrantFiled: April 10, 2012Date of Patent: September 9, 2014Assignee: Hitachi, Ltd.Inventors: Akira Gunji, Shin Takahashi, Hiroshi Iwasawa, Shin Yamauchi, Takefumi Okumura
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Patent number: 8827686Abstract: The present invention provides an imprinting apparatus or an imprint transfer method in which uniformity of curing quality by UV light is maintained and a uniform application thickness of a UV curable resin is achieved, even if glass is contaminated with dust and/or smudges or has a flaw.Type: GrantFiled: July 25, 2011Date of Patent: September 9, 2014Assignee: Hitachi High-Technologies CorporationInventors: Toshimitsu Shiraishi, Naoaki Yamashita, Masashi Aoki
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Patent number: 8829717Abstract: A battery control device for a battery module includes a plurality of integrated circuits. Each integrated circuit includes: a constant voltage circuit that lowers a total voltage of a battery cell group corresponding to the integrated circuit to an integrated circuit internal voltage; a signal generation circuit that generates, based upon a first signal provided by a higher-order control circuit, a second signal assuming a wave height value different from a wave height value of the first signal and outputs the second signal; and a startup circuit that includes a first comparator assuming a first decision-making threshold value corresponding to the first signal and a second comparator assuming a second decision-making threshold value corresponding to the second signal, and starts up the constant voltage circuit in response to a change in an output from at least either the first comparator or the second comparator.Type: GrantFiled: February 3, 2011Date of Patent: September 9, 2014Assignee: Hitachi Vehicle Energy, Ltd.Inventors: Akihiko Kudo, Mutsumi Kikuchi, Gosuke Shibahara, Akihiko Emori, Yasuo Uemura, Tatsumi Yamauchi, Kenji Kubo, Yoshinori Aoshima