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).

  • Publication number: 20240173669
    Abstract: 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: Application
    Filed: November 21, 2023
    Publication date: May 30, 2024
    Inventors: Koichiro Furusawa, Kazuyuki Takahashi, Naoki Murata, Hisayoshi Matsushima, Toranosuke Nago
  • Publication number: 20240174916
    Abstract: 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: Application
    Filed: February 5, 2024
    Publication date: May 30, 2024
    Inventors: Naoki FUJITA, Takashi MURATA
  • Publication number: 20240125398
    Abstract: 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: Application
    Filed: January 25, 2022
    Publication date: April 18, 2024
    Inventors: Noriyuki OGAWA, Hideki HIGASHIDOZONO, Naoki MURATA, Takayuki KONDO, Ryota URAKAWA, Fuminobu ENOKIJIMA
  • Publication number: 20240118407
    Abstract: 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 of
    Type: Application
    Filed: December 22, 2021
    Publication date: April 11, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shoichi IIZUKA, Takeshi NAKAYAMA, Naoki HONMA, Nobuyuki SHIRAKI, Kentaro MURATA
  • Publication number: 20240118406
    Abstract: 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 a
    Type: Application
    Filed: December 14, 2021
    Publication date: April 11, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Takeshi NAKAYAMA, Shoichi IIZUKA, Naoki HONMA, Tomonori ITO, Teppei HAYASHI, Nobuyuki SHIRAKI, Kentaro MURATA
  • Patent number: 11912621
    Abstract: 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: Grant
    Filed: January 10, 2023
    Date of Patent: February 27, 2024
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Naoki Fujita, Takashi Murata
  • Patent number: 11743676
    Abstract: 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: Grant
    Filed: June 28, 2019
    Date of Patent: August 29, 2023
    Assignee: Sony Corporation
    Inventors: Naoki Murata, Yuhki Mitsufuji
  • Publication number: 20230037825
    Abstract: 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: Application
    Filed: October 23, 2020
    Publication date: February 9, 2023
    Inventors: Naoki MURATA, Daisuke NOGAMI
  • Publication number: 20230019854
    Abstract: 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, allowing
    Type: Application
    Filed: September 23, 2020
    Publication date: January 19, 2023
    Inventor: Naoki MURATA
  • Publication number: 20220252312
    Abstract: 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: Application
    Filed: August 4, 2020
    Publication date: August 11, 2022
    Inventors: Noriyuki OGAWA, Koji SATO, Takayuki KONDO, Naoki MURATA, Ryota URAKAWA
  • Publication number: 20210375256
    Abstract: 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: Application
    Filed: October 11, 2019
    Publication date: December 2, 2021
    Inventors: NAOKI MURATA, YUHKI MITSUFUJI, YU MAENO, JIHUI ZHANG
  • Publication number: 20210314724
    Abstract: 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: Application
    Filed: June 28, 2019
    Publication date: October 7, 2021
    Applicant: Sony Corporation
    Inventors: Naoki Murata, Yuhki Mitsufuji
  • Patent number: 11044807
    Abstract: 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: Grant
    Filed: December 13, 2016
    Date of Patent: June 22, 2021
    Assignee: NIPPON POLYTECH CORP.
    Inventors: Kazuhiko Ooga, Naoki Murata, Kai Suzuki
  • Patent number: 10889729
    Abstract: 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: Grant
    Filed: November 17, 2016
    Date of Patent: January 12, 2021
    Assignee: NIPPON POLYTECH CORP.
    Inventors: Kazuhiko Ooga, Naoki Murata, Kai Suzuki
  • Patent number: 10563071
    Abstract: 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: Grant
    Filed: March 11, 2014
    Date of Patent: February 18, 2020
    Assignee: SHOWA DENKO K.K.
    Inventors: Yasuyuki Tagawa, Naoki Murata, Motoaki Araki, Takashi Ohkubo
  • Patent number: 10557004
    Abstract: 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: Grant
    Filed: February 3, 2017
    Date of Patent: February 11, 2020
    Assignee: ZEON CORPORATION
    Inventors: Naoki Murata, Masaya Hirano
  • Publication number: 20200010691
    Abstract: 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: Application
    Filed: February 27, 2018
    Publication date: January 9, 2020
    Applicant: SHOWA DENKO K.K.
    Inventor: Naoki MURATA
  • Patent number: 10208738
    Abstract: 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: Grant
    Filed: February 24, 2016
    Date of Patent: February 19, 2019
    Assignees: Eagle Industry Co., Ltd., Kelhin Corporation
    Inventors: Kenji Suda, Toshiaki Iwa, Yoshihiro Ogawa, Naoki Murata
  • Publication number: 20190040215
    Abstract: 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: Application
    Filed: February 3, 2017
    Publication date: February 7, 2019
    Applicant: ZEON CORPORATION
    Inventors: Naoki MURATA, Masaya HIRANO
  • Publication number: 20180368253
    Abstract: 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: Application
    Filed: December 13, 2016
    Publication date: December 20, 2018
    Applicant: SHOWA DENKO K.K.
    Inventors: Kazuhiko OOGA, Naoki MURATA, Kai SUZUKI