Patents by Inventor Takahiro Nishikawa
Takahiro Nishikawa 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: 11964361Abstract: A workpiece processing device includes a workpiece supporting unit configured to support a workpiece so that the workpiece is rotatable around a first axis parallel to a central axis of the workpiece, a cutting unit having a blade configured to cut a surface of the workpiece, a detecting unit configured to calculate a position of a vertex of the surface in a direction along a second axis which is perpendicular to the first axis and parallel to the blade, and a control unit configured to control the workpiece supporting unit so that a cutting position on the surface is located at a vertex in the direction along the second axis, and relatively move the workpiece supporting unit and the cutting unit so that an incision direction of the blade is on a plane defined by the central axis and the cutting position, thereby forming a groove at the cutting position.Type: GrantFiled: March 3, 2020Date of Patent: April 23, 2024Assignee: TOKYO SEIMITSU CO., LTD.Inventors: Takahiro Iida, Teruhiko Nishikawa, Tasuku Shimizu
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Publication number: 20240100826Abstract: A power supply control apparatus comprises a first power supply supplying power to a controller and a second power supply supplying power to an operation unit and a power controller. The operation unit receives an operation for switching the first power supply on and off. The power controller is operable to turn on the first power supply according to the signal from a timer or the operation by the operation unit, and to turn off the first power supply according to a state of the controller. The controller, upon at least either of the operation by the operation unit or the signal from the timer, performs a setting to the timer of a time at which to turn on the power from the first power supply or a time at which to turn off the power from the first power supply.Type: ApplicationFiled: September 15, 2023Publication date: March 28, 2024Inventors: TAKAHIRO AIDA, YOSUKE EZUMI, TAKUHIRO OGUSHI, YUKINORI NISHIKAWA, HIDEYUKI UEKI
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Patent number: 11943103Abstract: According to the present disclosure, provided is a network system including a plurality of devices and a network management apparatus connected to the plurality of devices by an IP transmission line, and the network management apparatus (100) includes a setting execution unit (116) configured to execute setting of a path to which the plurality of devices are connected, and setting of parameters for controlling the plurality of devices. With this configuration, it is possible to freely set a connection path and devices in a system in which a plurality of devices are connected.Type: GrantFiled: August 27, 2019Date of Patent: March 26, 2024Assignee: Sony CorporationInventors: Tsuyoshi Nakao, Shinjiro Tanaka, Hideyuki Imaida, Takahiro Nishikawa, Tooru Amano, Teruo Kajiura, Satoru Kamoto
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Patent number: 11379787Abstract: Provided is an evaluation device which stores base information, base destination information, demand information, a route service tariff, and a route delivery tariff in a memory device.Type: GrantFiled: September 9, 2016Date of Patent: July 5, 2022Assignee: Hitachi Transport System, Ltd.Inventors: Miho Isokawa, Junko Hosoda, Takaharu Sakurada, Takahiro Nishikawa
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Publication number: 20210211354Abstract: According to the present disclosure, provided is a network system including a plurality of devices and a network management apparatus connected to the plurality of devices by an IP transmission line, and the network management apparatus (100) includes a setting execution unit (116) configured to execute setting of a path to which the plurality of devices are connected, and setting of parameters for controlling the plurality of devices. With this configuration, it is possible to freely set a connection path and devices in a system in which a plurality of devices are connected.Type: ApplicationFiled: August 27, 2019Publication date: July 8, 2021Applicant: Sony CorporationInventors: Tsuyoshi NAKAO, Shinjiro TANAKA, Hideyuki IMAIDA, Takahiro NISHIKAWA, Tooru AMANO, Teruo KAJIURA, Satoru KAMOTO
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Publication number: 20210133655Abstract: A transportation plan generation apparatus can access transported item count information that stores a transportation date, a transported item, and a transported item count, transported item information that stores the transported item and a volume, and transportation fee information that stores a transportation means, a load volume, a fee for each period. The apparatus executes: detecting a first period, among a plurality of periods, during which the transportation volume for each period based on the transported item count and the volume exceeds a threshold; identifying second periods that are prior to the first period, and that don't correspond to the first period; determining a given second period during which the fee for the transportation means is less expensive than for the first period, among the second periods, to be a period to which a portion of the transportation volume of the first period is reallocated; and outputting a determination result.Type: ApplicationFiled: October 27, 2020Publication date: May 6, 2021Applicant: HITACHI TRANSPORT SYSTEM, LTD.Inventors: Issei SUEMITSU, Kei UTSUGI, Junko HOSODA, Naoko KISHIKAWA, Yoshihito SHIMAZU, Takahiro NISHIKAWA, Akira KOYAMA
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Publication number: 20190354932Abstract: Provided is an evaluation device which stores base information, base destination information, demand information, a route service tariff, and a route delivery tariff in a memory device.Type: ApplicationFiled: September 9, 2016Publication date: November 21, 2019Inventors: Miho ISOKAWA, Junko HOSODA, Takaharu SAKURADA, Takahiro NISHIKAWA
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Patent number: 9148696Abstract: A data transmission system may have a sending apparatus that sends streaming data, and a receiving apparatus that receives the streaming data and transmits a request of switch of the streaming data to the sending apparatus, in which the sending apparatus may switch the streaming data in response to the received request. The receiving apparatus may include a receiving section, a storage section that stores the streaming data temporarily and transfers it, an operation-detecting section that detects whether a user operates the request, and a control section that controls a transfer rate of the streaming data stored in the storage section to fast-forward the streaming data when the operation-detecting section detects that the user's operation. The sending apparatus may include an information-adding section that adds to the streaming data additional information on the user's operation when receiving a notice of user's operation, and a sending section that sends the additional-information-added streaming data.Type: GrantFiled: July 13, 2007Date of Patent: September 29, 2015Assignees: Sony Corporation, Sony Europe LimitedInventors: Tomonobu Saito, Tsuyoshi Oobayashi, Khac Tri Vu, Geert Uytterhoeven, Tom Frans Maurits Hostyn, Manabu Onishi, Shunkichi Shimizu, Takahiro Nishikawa
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Patent number: 8690556Abstract: There is disclosed a rotary compressor which delays a pressure rise on a high pressure chamber side in a cylinder of a rotary compression element to decrease a high pressure load applied to a roller and a rotary shaft, thereby improving performance. In the rotary compressor including a sealed container in which an electromotive element (a driving element) and first and second rotary compression elements driven by a rotary shaft of the electromotive element are included, each of the rotary compression elements being constituted of a cylinder, a roller fitted into an eccentric portion formed on the rotary shaft to eccentrically rotate in the cylinder, and a vane which abuts on the roller to partition the inside of the cylinder into a low pressure chamber side and a high pressure chamber side, the inner diameter of a suction passage formed in each cylinder is 59% or more and 70% or less of the thickness of the cylinder.Type: GrantFiled: April 8, 2010Date of Patent: April 8, 2014Assignee: SANYO Electric Co., Ltd.Inventors: Hiroyuki Yoshida, Takayasu Saito, Yoshiaki Hiruma, Takahiro Nishikawa, Masayuki Hara
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Publication number: 20140077666Abstract: An axial gap type electric rotating machine is disclosed. The rotating machine includes a rotor arranged to rotate about an axis of rotation, and a stator arranged so as to face the rotor with a predetermined gap in an axial direction of the axis of rotation. The rotor includes a back yoke and an annular rare earth bonded magnet made of a circumferentially continuous member fixed to the back yoke. The magnet is magnetized so that an N-pole and an S-pole of magnetic poles are arranged alternately in a circumferential direction, and includes cutout portions formed between adjacent magnetic poles. The stator includes a plurality of tooth portions arranged along a circumferential direction so as to face the magnet and a winding wound on the tooth portions.Type: ApplicationFiled: September 10, 2013Publication date: March 20, 2014Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHAInventors: Takahiro NISHIKAWA, Haruyoshi HINO
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Patent number: 8469679Abstract: An object of the present invention is to promote oil separation in a sealed container, thereby decreasing the amount of oil discharged to the outside of a compressor. The compressor comprises discharge hole provided at position facing the end surface of a rotor and through which a compressed refrigerant from first and second rotary compression elements is discharged into the sealed container; and a refrigerant flow path which is extended from a space surrounded with a coil end of a stator projecting from the end surface of the rotor to a rotary compression mechanism side to a space of an air gap between the rotor and the stator, to guide the compressed refrigerant discharged through the discharge hole to an electromotive element opposite to the rotary compression mechanism side.Type: GrantFiled: January 15, 2010Date of Patent: June 25, 2013Assignee: SANYO Electric Co., Ltd.Inventors: Hirotsugu Ogasawara, Takahiro Nishikawa, Yoshihisa Kogure, Kazuhiko Arai, Hiroyuki Yoshida
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Patent number: 8277202Abstract: There is disclosed a multicylindrical rotary compressor capable of improving an operation efficiency during a small-capacity operation, the compressor comprises a controller as a control unit which adjusts a rotation number of an electromotive element as a driving element and which controls an operation of a power saving mechanism, and the controller operates the power saving mechanism to connect a high-pressure chamber side of a first cylinder to a low-pressure chamber side of a second cylinder during the small-capacity operation of a refrigerant circuit constituted in a rotary compressor (the multicylindrical rotary compressor).Type: GrantFiled: December 8, 2005Date of Patent: October 2, 2012Assignee: Sanyo Electric Co., Ltd.Inventors: Takahiro Nishikawa, Hirotsugu Ogasawara, Masayuki Hara, Hiroyuki Sawabe
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Patent number: 7985054Abstract: In a multicylindrical rotary compressor constituted to be usable by urging an only first vane with respect to a first roller by means of a spring member to switch a first operation mode in which first and second rotary compression elements perform compression works and a second operation mode in which substantially the only first rotary compression element performs the compression work, an object is to reduce generation of collision noises due to collision of the second vane with the second roller at a time when the first operation mode is switched to the second operation mode, and a pressure in a back-pressure chamber of the second vane is discharged on a low-pressure chamber side in a second cylinder in a case where the first operation mode is switched to the second operation mode.Type: GrantFiled: June 4, 2009Date of Patent: July 26, 2011Assignee: Sanyo Electric Co., Ltd.Inventors: Hirotsugu Ogasawara, Takahiro Nishikawa, Masayuki Hara, Hiroyuki Yoshida, Akira Hashimoto
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Publication number: 20110076173Abstract: There is disclosed a rotary compressor which delays a pressure rise on a high pressure chamber side in a cylinder of a rotary compression element to decrease a high pressure load applied to a roller and a rotary shaft, thereby improving performance. In the rotary compressor including a sealed container in which an electromotive element (a driving element) and first and second rotary compression elements driven by a rotary shaft of the electromotive element are included, each of the rotary compression elements being constituted of a cylinder, a roller fitted into an eccentric portion formed on the rotary shaft to eccentrically rotate in the cylinder, and a vane which abuts on the roller to partition the inside of the cylinder into a low pressure chamber side and a high pressure chamber side, the inner diameter of a suction passage formed in each cylinder is 59% or more and 70% or less of the thickness of the cylinder.Type: ApplicationFiled: April 8, 2010Publication date: March 31, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Hiroyuki Yoshida, Takayasu Saito, Yoshiaki Hiruma, Takahiro Nishikawa, Masayuki Hara
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Patent number: 7865928Abstract: A system and method of audio/video streaming in which a server transmits over a network an audio/video stream to a client device. The client device is able to send command data to the server causing the server to provide a change in content of the audio/video stream from a first content to a second content. Buffers in the server and client device can be flushed or skipped-over at the time of sending the command data so as to improve response time and marker data can be sent from the server to the client device to indicate the start of the second content.Type: GrantFiled: July 13, 2007Date of Patent: January 4, 2011Assignees: Sony Europe Limited, Sony CorporationInventors: Tom Frans Maurits Hostyn, Geert Uytterhoeven, Khac Tri Vu, Shunkichi Shimizu, Tomonobu Saito, Tsuyoshi Oobayashi, Takahiro Nishikawa, Manabu Onishi
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Publication number: 20100215525Abstract: An object of the present invention is to promote oil separation in a sealed container, thereby decreasing the amount of oil discharged to the outside of a compressor. The compressor comprises discharge hole provided at position facing the end surface of a rotor and through which a compressed refrigerant from first and second rotary compression elements is discharged into the sealed container; and a refrigerant flow path which is extended from a space surrounded with a coil end of a stator projecting from the end surface of the rotor to a rotary compression mechanism side to a space of an air gap between the rotor and the stator, to guide the compressed refrigerant discharged through the discharge hole to an electromotive element opposite to the rotary compression mechanism side.Type: ApplicationFiled: January 15, 2010Publication date: August 26, 2010Applicant: SANYO ELECTRIC CO., LTD.Inventors: Hirotsugu Ogasawara, Takahiro Nishikawa, Yoshihisa Kogure, Kazuhiko Arai, Hiroyuki Yoshida
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Publication number: 20100215524Abstract: An object of the present invention is to promote oil separation in a sealed container, thereby decreasing the amount of oil discharged to the outside of a compressor. The compressor comprises discharge hole provided at positions facing the end surface of a rotor and through which a compressed refrigerant from first and second rotary compression elements is discharged into the sealed container; and a refrigerant flow path which is extended from a space surrounded with a coil end of a stator projecting from the end surface of the rotor to a rotary compression mechanism side to a space of an air gap between the rotor and the stator, to guide the compressed refrigerant discharged through the discharge hole to an electromotive element opposite to the rotary compression mechanism side, and the outlet of this refrigerant flow path opposite to the rotary compression mechanism side faces the inner wall surface of the sealed container.Type: ApplicationFiled: January 15, 2010Publication date: August 26, 2010Applicant: SANYO ELECTRIC CO., LTD.Inventors: Hirotsugu Ogasawara, Takahiro Nishikawa, Yoshihisa Kogure, Kazuhiko Arai, Hiroyuki Yoshida
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Patent number: 7762798Abstract: A compressor having a compression element including a cylinder having a compression space; a suction port and a discharge port; a compression member whose one surface crossing an axial direction of a rotary shaft is inclined continuously between a top dead center and a bottom dead center and which compresses a fluid sucked from the suction port to discharge the fluid from the discharge port; and a vane which is disposed between the suction port and the discharge port to abut on one surface of the compression member and which partitions the compression space in the cylinder into a low pressure chamber and a high pressure chamber. The hardness of the upper surface of the compression member may be higher than that of a discharge member as a receiving surface of the top dead center and lower than that of the vane.Type: GrantFiled: September 8, 2005Date of Patent: July 27, 2010Assignee: Sanyo Electric Co., Ltd.Inventors: Hirotsugu Ogasawara, Takahiro Nishikawa, Takayuki Saito
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Patent number: 7736138Abstract: A compressor comprises: a cylinder with a compression space; a suction port and a discharge port which communicate with the compression space in the cylinder; a support member which closes an opening of the cylinder; a rotary shaft which is rotatably supported on the support member; a compression member whose one surface crossing an axial direction of the rotary shaft is inclined continuously between a top dead center and a bottom dead center and which is rotated and compresses a fluid to discharge the fluid via the discharge port; and a vane which is disposed between a suction port and the discharge port, abuts on one surface of the compression member and partitions the compression space in the cylinder into high and low pressure chambers.Type: GrantFiled: June 13, 2007Date of Patent: June 15, 2010Assignee: Sanyo Electric Co., Ltd.Inventors: Takahiro Nishikawa, Hirotsugu Ogasawara, Takao Kanayama, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa, Akira Hashimoto, Junichi Suzuki
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Patent number: 7632082Abstract: In a hermetically sealed compressor 100 including a rotary compressing element (4) having at least one cylinder (43A, 43B), and a roller (45) provided to the cylinder so as to be freely eccentrically rotatable, an electrically-driven element (2) for driving the roller (45) and a hermetically sealed container in which the rotary compressing element and the electrically-driven element are accommodated, oil (8) being stocked in the hermetically sealed container (1), the oil (8) in the hermetically sealed container (1) is injected into the compression chamber (43) when refrigerant is sucked into the compression chamber (43) of the cylinder.Type: GrantFiled: January 11, 2008Date of Patent: December 15, 2009Assignee: Sanyo Electric Co., Ltd.Inventors: Hirotsugu Ogasawara, Takahiro Nishikawa, Yoshihisa Kogure, Masayuki Hara, Hiroyuki Sawabe, Yoshiaki Hiruma