Patents by Inventor Naoki Murata
Naoki Murata 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: 20240173669Abstract: An object of the present invention is to provide a separation system and a separation method that can separate deuterium from a fluid containing light hydrogen and deuterium with high separation efficiency while suppressing equipment deterioration.Type: ApplicationFiled: November 21, 2023Publication date: May 30, 2024Inventors: Koichiro Furusawa, Kazuyuki Takahashi, Naoki Murata, Hisayoshi Matsushima, Toranosuke Nago
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Publication number: 20240174916Abstract: Provided is a wavelength conversion member that is less decreased in luminescence intensity with time by irradiation with light of an LED or LD and a light emitting device using the wavelength conversion member. A wavelength conversion member is formed of an inorganic phosphor dispersed in a glass matrix, wherein the glass matrix contains, in % by mole, 30 to 85% SiO2, 4.3 to 20% B2O3, 0 to 25% Al2O3, 0 to 3% Li2O, 0 to 3% Na2O, 0 to 3% K2O, 0 to 3% Li2O+Na2O+K2O, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 5% ZnO, and the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphate phosphor.Type: ApplicationFiled: February 5, 2024Publication date: May 30, 2024Inventors: Naoki FUJITA, Takashi MURATA
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Publication number: 20240125398Abstract: Disclosed is a switching valve having a small contact resistance when a valve body moves along a seating surface of a housing. In a switching valve which includes a valve body, coming into contact with a seating surface of a housing having a plurality of ports and selectively communicating at least two ports of the plurality of ports, and applies a fluid pressure to a back surface of the valve body, the switching valve includes a biasing member configured for biasing the valve body in a direction in which the valve body is moved away from the seating surface of the housing.Type: ApplicationFiled: January 25, 2022Publication date: April 18, 2024Inventors: Noriyuki OGAWA, Hideki HIGASHIDOZONO, Naoki MURATA, Takayuki KONDO, Ryota URAKAWA, Fuminobu ENOKIJIMA
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Publication number: 20240118407Abstract: A sensor receives M reception signals including reflection signals reflected by a living body; extracts a living-body component transfer function matrix from first complex transfer functions and second complex transfer functions, the first complex transfer functions being obtained by recording an M×N complex transfer function matrix including complex transfer functions in time series, from M reception signals, the complex transfer functions each indicating characteristics of propagation between a corresponding one of transmission antenna elements and a corresponding one of reception antenna elements, the second complex transfer functions being obtained by estimating and recording M×N complex transfer functions in a second period, and outputting a position at which a spectrum function indicating a likelihood that a living body is present indicates a local maximum value, using a correlation matrix based on the living-body component complex transfer function matrix and a steering vector corresponding to each ofType: ApplicationFiled: December 22, 2021Publication date: April 11, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Shoichi IIZUKA, Takeshi NAKAYAMA, Naoki HONMA, Nobuyuki SHIRAKI, Kentaro MURATA
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Publication number: 20240118406Abstract: A sensor includes a complex-transfer-function calculator that calculates a complex transfer function from received signals, a reflection-coefficient calculator that calculates a reflection coefficient using a complex transfer function when an object to be detected is arranged at one of L positions and an ideal complex transfer function which is a theoretical value for the position at which the object to be detected is arranged, various normalizers that calculate a normalized reflection coefficient by normalizing the reflection coefficient, a reflection-coefficient interpolator that calculates an interpolated reflection coefficient by interpolation calculation of the reflection coefficient using the normalized reflection coefficient for each coordinates used in position estimation of the object to be detected, and a position estimator that corrects the position estimation, using a steering vector and the interpolated reflection coefficient that are determined based on the position of each of the transmitting aType: ApplicationFiled: December 14, 2021Publication date: April 11, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takeshi NAKAYAMA, Shoichi IIZUKA, Naoki HONMA, Tomonori ITO, Teppei HAYASHI, Nobuyuki SHIRAKI, Kentaro MURATA
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Patent number: 11912621Abstract: Provided is a wavelength conversion member that is less decreased in luminescence intensity with time by irradiation with light of an LED or LD and a light emitting device using the wavelength conversion member. A wavelength conversion member is formed of an inorganic phosphor dispersed in a glass matrix, wherein the glass matrix contains, in % by mole, 30 to 85% SiO2, 0 to 20% B2O3, 0 to 25% Al2O3, 0 to 3% Li2O, 0 to 3% Na2O, 0 to 3% K2O, 0 to 3% Li2O+Na2O+K2O, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 4% ZnO, and the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphate phosphor.Type: GrantFiled: January 10, 2023Date of Patent: February 27, 2024Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Naoki Fujita, Takashi Murata
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Patent number: 11743676Abstract: Provided is an information processing apparatus including: a speaker array that includes a plurality of speakers, and performs wavefront synthesis by using an output of the plurality of speakers; and a presentation unit that presents visual information indicating a state of waves on a wavefront formed in the wavefront synthesis, or presents visual information based on positional information of a virtual sound image that has been formed in a position that is different from a vicinity of the speaker array in the wavefront synthesis.Type: GrantFiled: June 28, 2019Date of Patent: August 29, 2023Assignee: Sony CorporationInventors: Naoki Murata, Yuhki Mitsufuji
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Publication number: 20230037825Abstract: An information processing system includes a linkage database in which a person is linked with a property; a person database in which the person is associated with a role of the person and one or more functions that can be used by the person; a property database in which the property is associated with one or more functions used in the property; a first permission management unit configured to manage one or more functions that can be used by the person in the property, by using the person database and the property database; and a second permission management unit configured to manage one or more properties whose information can be accessed by the person, by using the linkage database.Type: ApplicationFiled: October 23, 2020Publication date: February 9, 2023Inventors: Naoki MURATA, Daisuke NOGAMI
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Publication number: 20230019854Abstract: A method of releasing an output-suppressed control state in an air conditioning system that includes a control device configured to control one or more air conditioners, and a management device configured to be connected to the control device via a network to transmit, to the control device, a command to control output suppression of an air conditioner from among the one or more air conditioners to cause the air conditioner to be in the output-suppressed control state, includes a confirmation step of confirming whether communication between the control device and the management device is disconnected; and a transmission control step of, in a case where the communication between the control device and the management device is not disconnected, prohibiting transmission of a command to release the output-suppressed control state to the control device without intervention of the management device, and in a case where the communication between the control device and the management device is disconnected, allowingType: ApplicationFiled: September 23, 2020Publication date: January 19, 2023Inventor: Naoki MURATA
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Publication number: 20220252312Abstract: An expansion valve includes: a main body portion having a valve chamber and a valve seat; a case fixed to the main body portion; and a screw shaft that is driven by driving force of rotation obtained by reducing a rotational movement of a rotor due to the excitation of an excitation portion by a speed reduction mechanism to move a valve body forward and backward. A bellows configured to seal a gap between the inside of the case and the valve chamber is arranged in the valve chamber to be externally fitted onto the valve body, and the rotation of the valve body relative to the main body portion is restricted by a rotation restrictor.Type: ApplicationFiled: August 4, 2020Publication date: August 11, 2022Inventors: Noriyuki OGAWA, Koji SATO, Takayuki KONDO, Naoki MURATA, Ryota URAKAWA
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Publication number: 20210375256Abstract: The present technology relates to signal processing device and method, and a program for enabling spatial noise cancelling with a saved space and a small computation amount. The signal processing device includes a control section that, on the basis of a first microphone signal obtained by sound collection at a first microphone array, a speaker drive signal of an output sound for cancelling a sound which is propagated from an outside of a predetermined region to the predetermined region and is collected by the first microphone array, and that outputs the output sound from a speaker array on the basis of the speaker drive signal. The first microphone array includes a plurality of microphones. The speaker array includes at least one high-order speaker. The present technology is applicable to a signal processing device.Type: ApplicationFiled: October 11, 2019Publication date: December 2, 2021Inventors: NAOKI MURATA, YUHKI MITSUFUJI, YU MAENO, JIHUI ZHANG
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Publication number: 20210314724Abstract: Provided is an information processing apparatus including: a speaker array that includes a plurality of speakers, and performs wavefront synthesis by using an output of the plurality of speakers; and a presentation unit that presents visual information indicating a state of waves on a wavefront formed in the wavefront synthesis, or presents visual information based on positional information of a virtual sound image that has been formed in a position that is different from a vicinity of the speaker array in the wavefront synthesis.Type: ApplicationFiled: June 28, 2019Publication date: October 7, 2021Applicant: Sony CorporationInventors: Naoki Murata, Yuhki Mitsufuji
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Patent number: 11044807Abstract: Provided are a polyurethane and a curable composition capable of obtaining an overcoat film for a flexible wiring board that is excellent in low-warpage properties, flexibility, long-term insulation reliability, and wiring disconnection preventing properties. The polyurethane has: a structural unit of formula (1) (in formula (1), an n-number of R1 each independently represents a 1,2-phenylene group or a 1,2-phenylene group having a substituent, an (n+1)-number of R2 each independently represents a hydrocarbon group having 3-9 carbon atoms, and n represents an integer from 1 to 50); a structural unit of formula (2) (in formula (2). R3 represents a divalent organic group having 6-14 carbon atoms); and a structural unit of formula (3) (in formula (3), R3 represents a divalent organic group having 6-14 carbon atoms, and R4 represents a methyl or ethyl group).Type: GrantFiled: December 13, 2016Date of Patent: June 22, 2021Assignee: NIPPON POLYTECH CORP.Inventors: Kazuhiko Ooga, Naoki Murata, Kai Suzuki
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Patent number: 10889729Abstract: A curable composition for forming an overcoat film for flexible wiring boards, the curable composition being effective in improving adhesion to substrates, low warpage, flexibility, the property of inhibiting wire breakage, and long-term reliability. The curable composition according to the present invention comprises a polyurethane (component a) having carboxyl groups and an aromatic-ring concentration of 0.1-6.5 mmol/g and containing an organic residue derived from a polyisocyanate, a solvent (component b), and a compound (component c) having two or more epoxy groups in the molecule.Type: GrantFiled: November 17, 2016Date of Patent: January 12, 2021Assignee: NIPPON POLYTECH CORP.Inventors: Kazuhiko Ooga, Naoki Murata, Kai Suzuki
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Patent number: 10563071Abstract: The present invention provides a method for producing a conductive polymer-containing dispersion, including: a polymerization step of polymerizing a monomer for obtaining a conjugated conductive polymer in a dispersion medium including the monomer and seed particles converted into a colloid protected by a polyanion.Type: GrantFiled: March 11, 2014Date of Patent: February 18, 2020Assignee: SHOWA DENKO K.K.Inventors: Yasuyuki Tagawa, Naoki Murata, Motoaki Araki, Takashi Ohkubo
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Patent number: 10557004Abstract: A long-length film including a plurality of knurl portions shaped by continuous linear concavo-convex portions on at least one surface thereof, wherein the plurality of knurl portions are aligned in a lengthwise direction of the long-length film, a planar shape of the knurl portion seen from a thickness direction of the long-length film includes: 10 or more corners having a curvature radius of 0.3 mm or less and an angle of 100° or less or a curvature radius of 0.2 mm or less and an angle of 120° or less, per one planar shape of the knurl portion; and 18 or more straight portions having a straight shape, per one planar shape of the knurl portion.Type: GrantFiled: February 3, 2017Date of Patent: February 11, 2020Assignee: ZEON CORPORATIONInventors: Naoki Murata, Masaya Hirano
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Publication number: 20200010691Abstract: An oil-repellent composition is provided containing an aqueous emulsion in which a copolymer (A) containing a constituent unit based on an ethylenically unsaturated carboxylic acid ester monomer (A1) and a constituent unit based on an ethylenically unsaturated carboxylic acid monomer (A2) is dispersed in an aqueous medium (B), and polyether-modified polydimethyl siloxane (C).Type: ApplicationFiled: February 27, 2018Publication date: January 9, 2020Applicant: SHOWA DENKO K.K.Inventor: Naoki MURATA
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Patent number: 10208738Abstract: The present invention provides a fuel supply system having improved assembly and pulsation reducing efficiency. A housing (20) of a fuel supply system (1) is formed by joining a first housing member (20a) forming one end side of a tubular chamber (23) in the direction of the backward and forward movement of a plunger (10) and a second housing member (20b) forming the other end side. A pulsation reducing mechanism (60) includes a tubular bellows damper (61) housed in the tubular chamber (23).Type: GrantFiled: February 24, 2016Date of Patent: February 19, 2019Assignees: Eagle Industry Co., Ltd., Kelhin CorporationInventors: Kenji Suda, Toshiaki Iwa, Yoshihiro Ogawa, Naoki Murata
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Publication number: 20190040215Abstract: A long-length film including a plurality of knurl portions shaped by continuous linear concavo-convex portions on at least one surface thereof, wherein the plurality of knurl portions are aligned in a lengthwise direction of the long-length film, a planar shape of the knurl portion seen from a thickness direction of the long-length film includes: 10 or more corners having a curvature radius of 0.3 mm or less and an angle of 100° or less or a curvature radius of 0.2 mm or less and an angle of 120° or less, per one planar shape of the knurl portion; and 18 or more straight portions having a straight shape, per one planar shape of the knurl portion.Type: ApplicationFiled: February 3, 2017Publication date: February 7, 2019Applicant: ZEON CORPORATIONInventors: Naoki MURATA, Masaya HIRANO
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Publication number: 20180368253Abstract: Provided are a polyurethane and a curable composition capable of obtaining an overcoat film for a flexible wiring board that is excellent in low-warpage properties, flexibility, long-term insulation reliability, and wiring disconnection preventing properties. The polyurethane has: a structural unit of formula (1) (in formula (1), an n-number of R1 each independently represents a 1,2-phenylene group or a 1,2-phenylene group having a substituent, an (n+1)-number of R2 each independently represents a hydrocarbon group having 3-9 carbon atoms, and n represents an integer from 1 to 50); a structural unit of formula (2) (in formula (2). R3 represents a divalent organic group having 6-14 carbon atoms); and a structural unit of formula (3) (in formula (3), R3 represents a divalent organic group having 6-14 carbon atoms, and R4 represents a methyl or ethyl group).Type: ApplicationFiled: December 13, 2016Publication date: December 20, 2018Applicant: SHOWA DENKO K.K.Inventors: Kazuhiko OOGA, Naoki MURATA, Kai SUZUKI