Patents by Inventor Masayuki Murakami
Masayuki Murakami 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: 11977142Abstract: An electronic device comprises: a transmission antenna configured to transmit transmission waves; a reception antenna configured to receive reflected waves resulting from reflection of the transmission waves; and a controller. The controller is configured to detect an object reflecting the transmission waves, based on a transmission signal transmitted as the transmission waves and a reception signal received as the reflected waves. The controller is configured to make a range of detection of the object by the transmission signal and the reception signal, variable.Type: GrantFiled: September 26, 2019Date of Patent: May 7, 2024Assignee: KYOCERA CorporationInventors: Takuya Homma, Masamitsu Nishikido, Tooru Sahara, Youhei Murakami, Satoshi Kawaji, Masayuki Sato
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Publication number: 20240113810Abstract: A transmitter apparatus wherein a simple structure is used to successfully suppress the degradation of error rate performance that otherwise would be caused by fading or the like. There are included encoding parts that encode transport data; a mapping part that performs such a mapping that encoded data sequentially formed by the encoding parts are not successively included in the same symbol, thereby forming data symbols; and a symbol interleaver that interleaves the data symbols. In this way, a low computational complexity can be used to perform an interleaving process equivalent to a bit interleaving process to effectively improve the reception quality at a receiving end.Type: ApplicationFiled: December 7, 2023Publication date: April 4, 2024Inventors: Yutaka MURAKAMI, Shutai OKAMURA, Kiyotaka KOBAYASHI, Masayuki ORIHASHI, Kazuaki TAKAHASHI
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Patent number: 11940523Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the reflected transmission wave, and a control unit that detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The electronic device transmits, to an information processing apparatus, sensing information based on the transmission signal and the reception signal at a location of the electronic device along with location information of the electronic device.Type: GrantFiled: April 1, 2020Date of Patent: March 26, 2024Assignee: KYOCERA CorporationInventors: Masamitsu Nishikido, Tooru Sahara, Youhei Murakami, Satoshi Kawaji, Masayuki Sato, Takuya Homma
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Publication number: 20230272299Abstract: The present invention relates to a grease composition including: a base oil; a thickener; a rust inhibitor; and an extreme pressure agent, in which the rust inhibitor includes, with respect to a total mass of the grease composition: 0.10 mass % to 10.00 mass % of a calcium sulfonate; 0.20 mass % to 10.00 mass % of a zinc sulfonate; and 0.10 mass % to 10.00 mass % of a zinc carboxylate, and the extreme pressure agent includes, with respect to the total mass of the grease composition, 2.00 mass % to 14.00 mass % of a zinc dialkyldithiophosphate.Type: ApplicationFiled: July 5, 2021Publication date: August 31, 2023Applicants: JTEKT CORPORATION, KYODO YUSHI CO., LTD.Inventors: Kanako NIIYA, Kazunori MIYAKE, Masayuki MURAKAMI, Shota AKIMOTO, Takahiro MAEDA, Kaname NISHI, Michitaka YOSHIHARA, Kazuki ISA, Koki ANDO
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Publication number: 20220326674Abstract: An arithmetic operation device includes a performance calculation unit that is configured to calculate performance of a plant before introduction of a part and the performance of the plant after the introduction of the part for each of combinations of a plurality of loads in the plant and a plurality of atmospheric temperatures around the plant, a storage unit that is configured to store a data table indicating a percentage of an operating time of the plant for each of the combinations, and a performance improvement calculation unit that is configured to calculate, on the basis of a calculation result in the performance calculation unit and the data table, how much the performance of the plant is improved compared with the performance before the introduction of the part in a case where the part is introduced and the plant is operated at the percentage indicated by the data table.Type: ApplicationFiled: June 26, 2020Publication date: October 13, 2022Inventors: Wataru NAGASAKA, Masayuki MURAKAMI, Itaru ENDO, Naoyuki NAGAFUCHI
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Patent number: 11255381Abstract: A rolling bearing includes an inner ring, an outer ring, a plurality of rolling elements, and a cage. The cage includes an annular body, a plurality of cage prongs, and guide portions placed inward of the cage prongs in the radial direction of the cage such that the guide portions extend from a radially inner part of the annular body toward a second side in the axial direction of the cage, the guide portions being configured to position the cage by making contact with an inner ring raceway. The cage has a groove so as to connect pockets adjacent to each other in the circumferential direction, the groove being configured such that lubricant is present in the groove and a groove width of the groove is increased in the radial direction in the center of the groove in the circumferential direction.Type: GrantFiled: November 2, 2020Date of Patent: February 22, 2022Assignee: JTEKT CORPORATIONInventors: Shota Akimoto, Yuya Yamamoto, Masayuki Murakami
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Publication number: 20210140477Abstract: A rolling bearing includes an inner ring, an outer ring, a plurality of rolling elements, and a cage. The cage includes an annular body, a plurality of cage prongs, and guide portions placed inward of the cage prongs in the radial direction of the cage such that the guide portions extend from a radially inner part of the annular body toward a second side in the axial direction of the cage, the guide portions being configured to position the cage by making contact with an inner ring raceway. The cage has a groove so as to connect pockets adjacent to each other in the circumferential direction, the groove being configured such that lubricant is present in the groove and a groove width of the groove is increased in the radial direction in the center of the groove in the circumferential direction.Type: ApplicationFiled: November 2, 2020Publication date: May 13, 2021Applicant: JTEKT CORPORATIONInventors: Shota AKIMOTO, Yuya YAMAMOTO, Masayuki MURAKAMI
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Patent number: 10908367Abstract: An optical connector cleaning tool includes a cleaning head that faces the lens (cleaning target portion) of an optical connector, and a cleaning cloth (3) that moves with respect to the cleaning head in a state in which the cleaning cloth is in contact with the lens. The cleaning cloth (3) is formed into a strip shape by a fabric (25) including a plurality of warps (28) in which a longitudinal direction thereof is a moving direction of the cleaning cloth moving with respect to the cleaning head. The warp (28) includes a first chemical fiber (31) and a second chemical fiber (32). One chemical fiber of the first chemical fiber (31) and the second chemical fiber (32) is in a stretched state, and the other chemical fiber is in a slack state. It is possible to provide an optical connector cleaning tool capable of cleaning a lens-type optical connector.Type: GrantFiled: February 8, 2016Date of Patent: February 2, 2021Assignee: NTT ADVANCED TECHNOLOGY CORPORATIONInventors: Masayuki Murakami, Takenobu Hamano, Terumasa Kamouchi
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Patent number: 10815905Abstract: A control device includes a fuel equivalent value calculation unit for determining the flow rate of fuel supplied to a gas turbine in accordance with a target value deviation between an actual rotation speed and a target rotation speed, an upper limit deviation calculation unit for obtaining an upper limit deviation which is a deviation between a set upper limit output and an actual output, a lower limit deviation calculation unit for obtaining a lower limit deviation which is a deviation between a set lower limit output and the actual output, and a parameter-changing unit for changing any one parameter among the target rotation speed, the actual rotation speed, and the target value deviation so that the target value deviation decreases when the actual rotation speed decreases and the upper limit deviation is small, and so that the target value deviation increases when the actual rotation speed increases and the lower limit deviation is small.Type: GrantFiled: April 30, 2015Date of Patent: October 27, 2020Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Hiroki Suzuki, Yasutsugu Takata, Yoshiaki Nakanishi, Masayuki Murakami
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Patent number: 10655543Abstract: A gas turbine includes an air cooler that subjects compressed air extracted from a compressor to heat exchange and supplies the cooled compressed air to a cooling system of a rotor system in a turbine; an air cooler bypass line that bypasses the compressed air introduced into the air cooler; an electric valve provided in the air cooler bypass line; and a control unit. The control unit controls opening and closing of the electric valve such that, during activation of a gas turbine, a degree of opening of the electric valve is set at or below a low-level degree of opening and such that, after the load of the gas turbine has been increased, the degree of opening of the electric valve is set to be larger than the low-level degree of opening.Type: GrantFiled: September 15, 2015Date of Patent: May 19, 2020Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Masakazu Inoue, Masayuki Murakami
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Patent number: 10612783Abstract: A combustor replacement method and a gas turbine plant capable of efficiently replacing a combustor using an existing facility. The combustor replacement method includes a step of separating, from a plurality of fuel supply systems, a first combustor that includes a plurality of nozzle systems connected to any of the plurality of fuel supply systems and supplied with fuel from the connected fuel supply systems, and removing the first combustor from a gas turbine plant. The method includes a step of attaching a second combustor that includes fewer nozzle systems than the first combustor to the gas turbine plant, and a step of providing communication between the fuel supply systems connected to the same nozzle system of the second combustor by a coupling pipe, and coupling the fuel supply systems and the second combustor.Type: GrantFiled: May 19, 2015Date of Patent: April 7, 2020Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Keita Fujii, Shin Akazawa, Nobukazu Ishii, Masahiro Matsubara, Masayuki Murakami, Fuminori Fujii, Hiroshi Tanabe, Masaru Takamatsu
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Patent number: 10599811Abstract: Providing a medical image storage unit that stores a medical image, an image processing unit that performs image processing on a medical image to be stored in the medical image storage unit and stores the result of the image processing in association with the medical image, and a past medical image identification unit that identifies, at a storage time point of a new storage target medical image in the medical image storage unit or at a time point before the storage time point, a past medical image related to the new storage target medical image from the medical images stored in the medical image storage unit, wherein the image processing unit performs the same image processing as that for the new storage target medical image on the identified past medical image and stores the result of the image processing in association with the past medical image.Type: GrantFiled: September 21, 2015Date of Patent: March 24, 2020Assignee: FUJIFILM CORPORATIONInventors: Toshiya Koyasu, Masayuki Murakami
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Patent number: 10542240Abstract: In order to ensure uniform gradation reproducibility even when an error occurs in a phosphor wheel or a color wheel, an image in which gradations change in steps is displayed and the rotation operation of a phosphor wheel and a color wheel is controlled on the basis of color coordinate values of each gradation that are measured each time the input timings of the first reference signal and the second reference signal are changed a plurality of times.Type: GrantFiled: September 16, 2016Date of Patent: January 21, 2020Assignee: NEC DISPLAY SOLUTIONS, LTD.Inventor: Masayuki Murakami
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Patent number: 10526923Abstract: A control device includes a mode-recognizing unit that recognizes whether a start mode of a steam turbine is a cold mode in which a temperature of a steam contact portion of the steam turbine is lower than a predetermined temperature or a different start mode in which the temperature of the steam contact portion is equal to or higher than the predetermined temperature, a first opening generator that generates a first degree of opening greater than a second degree of opening in the different start mode as a degree of opening of an intake air regulator of a compressor in a period after generation of steam from an exhaust heat recovery boiler is started and before supplying of the steam to the steam turbine is started, and a command output unit that outputs a command corresponding to the first degree of opening to the intake air regulator.Type: GrantFiled: February 20, 2015Date of Patent: January 7, 2020Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Daiki Fujimura, Masayuki Murakami
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Patent number: 10352246Abstract: A water feeding system provided with: a first feed water line through which first feed water flows; a second feed water line through which second feed water having a lower pressure than the first feed water flows; a first heater that heats the first feed water; a first feed water introducing line that guides first heated feed water, which is the first feed water that has been heated by the first heater, to the second feed water line; a medium heat exchanger that causes the first heated feed water to exchange heat with a medium, thereby cooling the first heated feed water and heating the medium; and a cooling water injecting line that injects cooling water having a lower temperature than the first heated feed water into the first feed water introducing line, at a position located further to the second feed water line side than the medium heat exchanger.Type: GrantFiled: July 7, 2016Date of Patent: July 16, 2019Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Naohiro Sumimura, Masaaki Yamasaki, Masayuki Murakami
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Publication number: 20190199981Abstract: In order to ensure uniform gradation reproducibility even when an error occurs in a phosphor wheel or a color wheel, an image in which gradations change in steps is displayed and the rotation operation of a phosphor wheel and a color wheel is controlled on the basis of color coordinate values of each gradation that are measured each time the input timings of the first reference signal and the second reference signal are changed a plurality of times.Type: ApplicationFiled: September 16, 2016Publication date: June 27, 2019Inventor: Masayuki MURAKAMI
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Patent number: 10287921Abstract: A first steam turbine and a second steam turbine of a combined cycle plant are connected by a reheat steam line via a reheat section of an exhaust heat recovery boiler. The reheat steam line and a condenser are connected by a second bypass line. A control device includes: a determination unit that determines whether or not the flow rate of first steam flowing into the first steam turbine has reached a stipulated flow rate; a command output unit that, upon determining that the flow rate of the first steam flowing into the first steam turbine has reached the stipulated flow rate, outputs a close command to close a ventilator valve that is provided in the second bypass line and is open; and a threshold alteration unit that alters the threshold with which the determination unit determines whether or not the stipulated flow rate has been reached, the threshold being positively correlated with a temperature of the first steam.Type: GrantFiled: March 3, 2015Date of Patent: May 14, 2019Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventor: Masayuki Murakami
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Patent number: 10189804Abstract: It is an object of the present invention to provide an excellent method for producing an excellent therapeutic agent. The solution of the present invention is as shown in the following scheme: wherein R1 represents a C1-C6 alkyl group, R2 represents a C1-C6 alkyl group, and R3 represents a C1-C6 alkyl group.Type: GrantFiled: April 22, 2016Date of Patent: January 29, 2019Assignee: DAIICHI SANKYO COMPANY, LIMITEDInventors: Masayuki Murakami, Yuichi Aki, Daisuke Fukatsu, Kenichi Kimura, Makoto Michida, Koji Hamaoka
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Publication number: 20180363557Abstract: A water feeding system provided with: a first feed water line through which first feed water flows; a second feed water line through which second feed water having a lower pressure than the first feed water flows; a first heater that heats the first feed water; a first feed water introducing line that guides first heated feed water, which is the first feed water that has been heated by the first heater, to the second feed water line; a medium heat exchanger that causes the first heated feed water to exchange heat with a medium, thereby cooling the first heated feed water and heating the medium; and a cooling water injecting line that injects cooling water having a lower temperature than the first heated feed water into the first feed water introducing line, at a position located further to the second feed water line side than the medium heat exchanger.Type: ApplicationFiled: July 7, 2016Publication date: December 20, 2018Inventors: Naohiro SUMIMURA, Masaaki YAMASAKI, Masayuki MURAKAMI
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Publication number: 20180148424Abstract: It is an object of the present invention to provide an excellent method for producing an excellent therapeutic agent. The solution of the present invention is as shown in the following scheme: wherein R1 represents a C1-C6 alkyl group, R2 represents a C1-C6 alkyl group, and R3 represents a C1-C6 alkyl group.Type: ApplicationFiled: April 22, 2016Publication date: May 31, 2018Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Masayuki MURAKAMI, Yuichi AKI, Daisuke FUKATSU, Kenichi KIMURA, Makoto MICHIDA, Koji HAMAOKA