Patents by Inventor Yuji Miyake
Yuji Miyake 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: 20230345296Abstract: A network device includes: a QoS management unit that measures a quality of service when user data transfer is performed between wireless terminal devices via user transfer function units of a core system device that controls a network; a PDU session management unit that acquires information of sessions from a session management function unit of the core system device, the sessions having been established for user data transfer between the wireless terminal devices; a PDU session setting unit that determines whether or not to establish new sessions, based on the quality of service; a user-data transfer destination management unit that manages a group that is based on the new sessions and transfer destinations of user data in the new sessions; and a user-data transfer destination setting unit that sets, to the session management function unit, the transfer destinations of user data in the new sessions.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Applicant: Mitsubishi Electric CorporationInventors: Yuji MIYAKE, Masao OGA
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Publication number: 20230336264Abstract: A condition monitoring device monitors conditions of ground wireless devices and an on-board wireless device which constitute a wireless train control system adopting a time-division multiplexing scheme. The device includes: a wired connection unit that acquires a result of measurement of an error between a transmission timing of a signal in the ground wireless device and a reference timing, from the ground wireless device; and a deteriorated condition determination unit that determines a performance deteriorated condition of the ground wireless device on the basis of the error.Type: ApplicationFiled: June 22, 2023Publication date: October 19, 2023Applicant: Mitsubishi Electric CorporationInventors: Tetsuya AOYAMA, Yuji MIYAKE
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Publication number: 20230232353Abstract: An interface conversion apparatus includes processing circuitry. The processing circuitry measures communication quality inside the mobile communication system. The processing circuitry refers to evaluation index information specifying, for each communication group, an allowable range of variation in the measurement result of the communication quality and a fluctuation adjustment time, and determines the communication group in which a variation in the measurement result of the communication quality obtained from history information including a measurement result falls within the allowable range for each piece of identification information included in the packet. The processing circuitry selects the communication group of the packet received from the identification information of the packet received, based on a correspondence relationship between the communication group determined and the identification information of the packet.Type: ApplicationFiled: March 23, 2023Publication date: July 20, 2023Applicant: Mitsubishi Electric CorporationInventors: Masao OGA, Yuji MIYAKE, Ryo MATSUNAGA
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Publication number: 20230073328Abstract: A radio base station includes: a timing difference measuring unit that measures a timing difference between a reference timing of the radio base station and a reference timing of another radio base station adjacent to the radio base station, using a reference signal received from the adjacent radio base station; a timing correction controlling unit that calculates a first timing correction amount by which to correct the reference timing of the radio base station, and a second timing correction amount by which to correct the reference timing of the adjacent radio base station, for synchronization of the reference timing of the radio base station with the reference timing of the adjacent radio base station, based on the timing difference; and a base station controlling unit that notifies the adjacent radio base station of the second timing correction amount.Type: ApplicationFiled: February 14, 2020Publication date: March 9, 2023Applicant: Mitsubishi Electric CorporationInventors: Yuji MIYAKE, Tetsuya AOYAMA
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Patent number: 11356971Abstract: In a wireless communication system including a plurality of wireless base stations, the wireless base stations other than the uppermost wireless base station among the plurality of wireless base stations each determine a frame timing on the basis of synchronization timing information received from the upper wireless base station, and the wireless base stations other than the lowermost wireless base station among the plurality of wireless base stations each notify the lower wireless base station of the synchronization timing information.Type: GrantFiled: December 21, 2020Date of Patent: June 7, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yuji Miyake, Tetsuya Aoyama
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Publication number: 20210323593Abstract: The wireless relay device according to the present disclosure includes: a reception unit to receive train control information; an information classification unit to classify the train control information into first control information requiring immediacy and second control information not requiring immediacy; a message generation unit to generate one message from the first control information contained in a piece of the train control information and to generate one message from a plurality of pieces of the second control information contained in a plurality of pieces of the train control information; and a transmission unit to transmit the messages generated by the message generation unit. With this configuration, it is possible to reduce the number of the data transfer messages which does not require immediacy while the instantaneous communication for the control information which requires immediacy is maintained.Type: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tetsuya AOYAMA, Yuji MIYAKE
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Publication number: 20210112511Abstract: In a wireless communication system including a plurality of wireless base stations, the wireless base stations other than the uppermost wireless base station among the plurality of wireless base stations each determine a frame timing on the basis of synchronization timing information received from the upper wireless base station, and the wireless base stations other than the lowermost wireless base station among the plurality of wireless base stations each notify the lower wireless base station of the synchronization timing information.Type: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Applicant: Mitsubishi Electric CorporationInventors: Yuji MIYAKE, Tetsuya AOYAMA
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Publication number: 20200083918Abstract: An interference detection apparatus in a wireless system that includes a plurality of wireless sensors that transmits sensor information wirelessly and a wireless signal measurement apparatus that measures power of a wireless signal of a frequency used by the wireless sensors for transmitting the sensor information. The interference detection apparatus includes an information processor; an interference position detector; and an interference avoidance method decider. The information processor determines a lack in reception of the sensor information transmitted from each of the wireless sensors. The interference position detector acquires a histogram that is created for a predetermined power measurement period and indicates time occupancy in the power measurement period of each of classes of classified power values.Type: ApplicationFiled: February 27, 2017Publication date: March 12, 2020Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yuji MIYAKE, Tetsuya AOYAMA
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Patent number: 6818145Abstract: A durable antifreeze/coolant composition for coolants for the cooling systems of internal combustion engines is disclosed. The composition is excellent in inhibiting corrosion of metal portions, especially iron and aluminum portions and effectively inhibits cavitation damage. The antifreeze/coolant composition includes about 0.1-8.0% by weight of C6-C12 aliphatic dibasic acid and/or an alkali metal salt thereof and about 0.1-10% by weight of p-toluic acid and/or an alkali metal salt thereof.Type: GrantFiled: January 10, 2003Date of Patent: November 16, 2004Assignee: Shishiai-KabushikigaishaInventors: Yuji Miyake, Nobuyuki Kaga
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Patent number: 6126851Abstract: A glycol-based antifreeze/coolant concentrate to be blended in coolant in a cooling system of a vehicle is disclosed, which can effectively inhibit occurrence of cavitation damage in the cooling system while suppressing production of nitrosoamine which is a known carcinogenic substance. A glycol-based antifreeze/coolant concentrate of the present invention contains a 0.05-8.0 wt. % p-toluate and a 0.01-1.0 wt. % molybdate.Type: GrantFiled: September 2, 1997Date of Patent: October 3, 2000Assignee: CCI Co., Ltd.Inventors: Yuji Miyake, Yasuaki Mori
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Patent number: 6096236Abstract: An antifreeze/coolant composition is disclosed, which can effectively inhibit corrosion of metals, particularly cast aluminum and cast iron, and can also inhibit cavitation damage to metals in an engine cooling system. The antifreeze/coolant composition comprises a glycol as the chief ingredient, 0.1-0.5% by weight of at least one ingredient selected from among hexanoic acid heptanoic acid and their salts, and 0.1-0.5% by weight of at least one ingredient selected from among alkylbenzoic acids having C.sub.1 -C.sub.5 alkyl and their salts.Type: GrantFiled: March 10, 1998Date of Patent: August 1, 2000Assignee: CCI Co., Ltd.Inventors: Yuji Miyake, Yasuaki Mori
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Patent number: 5961875Abstract: An antifreeze/coolant position is disclosed, which can effectively inhibit corrosion of metals, particularly cast aluminum and cast iron, and can also inhibit cavitation damage to metals in an engine cooling system. The anitifreeze/coolant composition comprises a glycol as the chief ingredient, 0.1-0.5% by weight of at least on ingredient selected from among C.sub.6 -C.sub.12 aliphatic monobasic acids and their salts, and 0.1-5.0% by weight of at least one ingredient selected from among cinnamic acid, alkylcinnamic acids, alkoxycinnanic acids and their salts.Type: GrantFiled: March 10, 1998Date of Patent: October 5, 1999Assignee: CCI Co., Ltd.Inventors: Yuji Miyake, Yasuaki Mori
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Patent number: 5911906Abstract: An antifreeze/coolant composition is disclosed, which can effectively inhibit corrosion of metals, particularly cast aluminum and cast iron, and can also inhibit cavitation damage to metals in an engine cooling system. The antifreeze/coolant composition comprises a glycol as the chief ingredient, 0.1-0.5% by weight of at least one ingredient selected from among C.sub.6 -C.sub.12 aliphatic monobasic acids and their salts, and 0.1-0.5% by weight of at least one ingredient selected from among alkoxybenzoic acids having C.sub.1 -C.sub.5 alkoxy and their salts.Type: GrantFiled: March 10, 1998Date of Patent: June 15, 1999Assignee: CCI Co., Ltd.Inventors: Yuji Miyake, Yasuaki Mori
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Patent number: 5851419Abstract: An effective metal corrosion inhibitive coolant composition having an excellent pH stabilizing property is disclosed, comprising a glycol as a main ingredient, at least one C 4-C 16 alkenylsuccinic acid or its alkali metal salt in an amount of 0.5-5.0 wt. %, and at least one benzoic acid or its derivative in an amount of 0.5-5.0 wt. %. This coolant composition is further characterized in that no phosphates, amine salts, silicates, borates, or nitrites are contained to avoid their detrimental side effects.Type: GrantFiled: March 28, 1997Date of Patent: December 22, 1998Assignee: CCI Co., LTD.Inventors: Yuji Miyake, Yasuaki Mori
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Patent number: 5811025Abstract: Coolant compositions are disclosed which include only a minimum amount of metal corrosion inhibitor. The coolant compositions effectively inhibit: (1) metal corrosion; (2) precipitation of the included metal corrosion inhibitor; (3) oxidative deterioration of the included glycol; (4) lowering of the pH value of coolant fluid; and (5) chemical reaction with hard water components. A coolant composition of the invention includes an alkylbenzoic acid (or acids) or a salt (or salts) thereof, a hydrocarbon triazole and an alkali nitrate in addition to a glycol (or glycols) as a base, water and others. It is characteristic that the coolant compositions of the present invention do not include any aliphatic monobasic acids.Type: GrantFiled: October 10, 1995Date of Patent: September 22, 1998Assignee: CCI Co., Ltd.Inventors: Masaru Kawai, Yuji Miyake, Yasuaki Mori
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Patent number: 5762704Abstract: A silicon single-crystal ingot which is nearly uniform in quality over the entire length of the column portion can be obtained to produce high-quality single-crystal silicon with high product yield and has the bottom column portion having the property close to the properties of the top column portion and the middle column portion. The bottom portion does not vary in shape among product lots and can be reproduced in the same shape. The diameter D2 of the bottom portion 2 is controlled in such a manner that the outer surface of the bottom portion 2a on the column portion side has an inclination angle .theta. of 10 to 25 degrees with respect to the outer surface of the column portion 1 and extends to the outer surface of the column portion.Type: GrantFiled: February 13, 1996Date of Patent: June 9, 1998Assignees: Mitsubishi Materials Silicon, Mitsubishi Materials CorporationInventors: Jun-ichi Matsubara, Yuji Miyake, Hiroshi Kongoji, Kouji Maeda
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Patent number: 5711894Abstract: An additive to be added to coolant or antifreeze concentrate is disclosed. The additive includes at least one ingredient selected from the group consisting of alkoxybenzoic acids and their amine salts, alkali metal salts and ammonium salts.Type: GrantFiled: March 27, 1996Date of Patent: January 27, 1998Assignee: CCI, Co., Ltd.Inventors: Yuji Miyake, Yasuaki Mori
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Patent number: 5514740Abstract: A near-infrared absorbing transparent resin composition prepared by melt-kneading 100 parts by weight of a transparent resin, 0.01 to 5 parts by weight of cupric sulfide and, if necessary, further 0.001 to 1 part by weight of a specific thiourea derivative and/or 0.001 to 1 part by weight of a specific amide derivative, and a molded article of a near-infrared absorbing transparent resin produced by molding the above composition into a sheet or film.Type: GrantFiled: December 22, 1994Date of Patent: May 7, 1996Assignee: Daicel Chemical Industries, Ltd.Inventors: Yuji Miyake, Sakae Takahashi
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Patent number: 3977037Abstract: A vacuum cleaner of a baseboard type which is concealed in a handsome article of furniture so that the vacuum cleaner concurrently serves as a piece of furniture. To this end, the vacuum cleaner herein disclosed comprises a housing structure of a substantially hollow cubic body having a first chamber adapted to accommodate therein a length of a flexible vacuum hose, a second chamber in which a source of vacuum is housed and a third chamber adapted to removably accommodate a dust collector. A lid is provided at either or both of the top and side of the housing structure and may provide for the convenient storage of some appurtenances such as floor brush, extensible wand, nozzle, etc. An automatic drawing mechanism for drawing a length of the flexible vacuum hose, that has been taken out of the hose chamber for use, back into the hose chamber is also provided.Type: GrantFiled: September 19, 1974Date of Patent: August 31, 1976Assignee: Sanyo Electric Co., Ltd.Inventors: Yuji Miyake, Hideo Kashihara, Kazuyoshi Takahashi, Takamitu Yamamoto, Takuya Morishita