Patents by Inventor Hideyuki Murakami
Hideyuki 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).
-
Publication number: 20230298835Abstract: A multi-directional operation switch device that can smoothly move a slider that is movable in four directions back to a neutral position is provided. The multi-directional operation switch device includes: a slider movable in the four directions; four push switches provided in the four directions to detect a movement of the slider; and four pressing members provided between the slider and the push switches. The slider includes four side face portions, each intersecting a first axis or a second axis, each axis extending in at least one of the four directions. Each side face portion includes a sloped region sloped toward a center of the slider. The push switches include movable portions, each movable portion self-returning and moving to an original position when pressing is released. Each pressing member is in contact with a corresponding one of the movable portions and a corresponding one of the side face portions.Type: ApplicationFiled: January 18, 2023Publication date: September 21, 2023Inventors: Hisashi SAGARA, Takeshi MIYAOKA, Hideyuki MURAKAMI
-
Patent number: 11613612Abstract: A fluororubber composition that is a kneaded mixture of a carbon nanotube masterbatch comprising 4 to 20 parts by weight of multilayer carbon nanotubes, which are fibrous carbon nanostructures that do not contain monolayer carbon nanotubes, based on 100 parts by weight of a fluororubber polymer, and a fluororubber raw material comprising at least a fluororubber polymer and a reinforcing filler, in which the multilayer carbon nanotubes are compounded in an amount of 0.5 to 6 wt. % in the kneaded mixture. The kneading is performed using a roll or a kneader when the fluororubber composition is produced. The fluororubber composition can provide a fluororubber crosslinked molded article that exhibits abrasion resistance and blister resistance.Type: GrantFiled: June 28, 2018Date of Patent: March 28, 2023Assignee: NOK CORPORATIONInventors: Hideyuki Murakami, Shunsuke Abe
-
Publication number: 20210147639Abstract: A fluororubber composition that is a kneaded mixture of a carbon nanotube masterbatch comprising 4 to 20 parts by weight of multilayer carbon nanotubes, which are fibrous carbon nanostructures that do not contain monolayer carbon nanotubes, based on 100 parts by weight of a fluororubber polymer, and a fluororubber raw material comprising at least a fluororubber polymer and a reinforcing filler, in which the multilayer carbon nanotubes are compounded in an amount of 0.5 to 6 wt. % in the kneaded mixture. The kneading is performed using a roll or a kneader when the fluororubber composition is produced. The fluororubber composition can provide a fluororubber crosslinked molded article that exhibits abrasion resistance and blister resistance.Type: ApplicationFiled: June 28, 2018Publication date: May 20, 2021Inventors: Hideyuki MURAKAMI, Shunsuke ABE
-
Publication number: 20210007356Abstract: The present invention provides an imide derivative represented by the following formula (1): wherein R1 is substituted by a substituent such as an isothiazolyl group, Q is substituted by a substituent such as a thiophenyl group, and A is substituted by a substituent such as a pyrazolyl group, and an agricultural and horticultural fungicide offering an excellent fungicidal effect in agricultural and horticultural situations, which is characterized by containing the imide derivative as an active ingredient.Type: ApplicationFiled: February 28, 2019Publication date: January 14, 2021Applicant: HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Motoaki MORITA, Atsushi YOSHII, Seiichi KUZUMA, Yuka MORIYA, Junko SAITOH, Hideyuki MURAKAMI
-
Patent number: 10848159Abstract: A drive circuit is configured to drive an oscillator to vibrate the oscillator that outputs a monitor signal according to a physical quantity. The drive circuit includes a drive signal generating unit that generates a drive signal having a drive frequency, a phase difference detector that detects a phase difference between the monitor signal and the drive signal, a frequency controller that controls the drive frequency based on the phase difference, automatic gain control (AGC) unit that controls an amplitude of the drive signal according to an amplitude of the monitor signal, and an output unit that outputs the drive signal having the controlled amplitude to the oscillator. This drive circuit can stably drive and vibrate the oscillator.Type: GrantFiled: April 11, 2016Date of Patent: November 24, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hideyuki Murakami, Takeshi Uemura
-
Publication number: 20200216644Abstract: A hydrogenated NBR composition having 40 to 80 parts by weight of silica having a BET specific surface area of 40 to 100 m2/g, and 0.5 to 3 parts by weight of a silane coupling agent, based on 100 parts by weight of a hydrogenated NBR blend of 35 to 50 wt. % of medium- to high-nitrile-content hydrogenated NBR having an acrylonitrile content of 30 to 38%, and 65 to 50 wt. % of high-nitrile-content hydrogenated NBR having an acrylonitrile content of 40 to 46%. The hydrogenated NBR composition satisfies various characteristics required for product functions with respect to HFC134a/PAG oil and HFO1234yf/POE oil.Type: ApplicationFiled: July 25, 2018Publication date: July 9, 2020Applicant: NOK CORPORATIONInventor: Hideyuki MURAKAMI
-
Publication number: 20200217418Abstract: A sealing member for mechanical seals, which is a peroxide vulcanized molded article of a hydrogenated nitrile rubber having a bound acrylonitrile content of less than 20% and an iodine number of 20 mg/100 g or less. The sealing member for mechanical seals is obtained as a peroxide vulcanized molded article of a hydrogenated nitrile rubber composition comprising 0 to 5 parts by weight of carbon black, 20 to 100 parts by weight of silica, and 0.5 to 3 parts by weight of silane coupling agent, based on 100 parts by weight of hydrogenated nitrile rubber, and preferably further compounding 50 parts by weight or less of titanium oxide non-reinforcing filler. The obtained vulcanized molded article is to provide a sealing member for mechanical seals that can achieve desired LLC resistance, and that has excellent compression set characteristics, cold resistance, processability, hardness, etc.Type: ApplicationFiled: August 21, 2018Publication date: July 9, 2020Applicant: NOK CORPORATIONInventors: Shunsuke ABE, Hideyuki MURAKAMI
-
Patent number: 10359285Abstract: An angular velocity sensor including a vibration body having a sensor electrode, a driving electrode, and a monitor electrode. The monitor electrode generates a signal according to vibration of the vibration body. The sensor circuit outputs a signal representing an angular velocity applied to the vibration body. The amplitude determination circuit measures amplitude of vibration of the vibration body. A PLL circuit includes a constant voltage source for generating a constant voltage, a timing switching unit for outputting a voltage by switching selectively between the constant voltage and a voltage corresponding to the monitor signal, and a voltage-controlled oscillator for outputting an oscillation signal having a frequency corresponding to the voltage output from the timing switching unit. When the amplitude measured is smaller than a predetermined value, the timing switching unit outputs the constant voltage output from the constant voltage source and outputs a start-up mode signal.Type: GrantFiled: July 26, 2016Date of Patent: July 23, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hideyuki Murakami, Takashi Kawai, Masaki Nakamura
-
Patent number: 10358700Abstract: A thermal barrier-coated Ni alloy component includes: a substrate made of a Ni alloy containing Al; an intermediate layer formed on a surface of the substrate; and a thermal barrier layer made of a ceramic and formed on a surface of the intermediate layer. The intermediate layer includes a ?? layer, which is formed from a ??-Ni3Al phase on the surface on the thermal barrier layer side, and contains Pt.Type: GrantFiled: February 24, 2016Date of Patent: July 23, 2019Assignees: IHI CORPORATION, NATIONAL INSTITUTE FOR MATERIALS SCIENCEInventors: Hiroki Yoshizawa, Akira Tateno, Akihiro Sato, Kota Sasaki, Masato Ishida, Yoshito Yasui, Hideyuki Murakami, Hiromichi Murakami
-
Patent number: 10139003Abstract: Disclosed is a lip seal for water pump made of a rubber-like elastic material, fixed to a housing as a fixed side and in sliding contact with a shaft rotating relative to the housing; the lip seal having sliding surface with a surface roughness Ra (according to JIS B0601 corresponding to ISO 4287) of 1 to 30 ?m, being obtained by vulcanization-molding of a rubber composition comprising 100 parts by weight of the rubber-like elastic material, 1 to 150 parts by weight of a reinforcing filler, 5 to 90 parts by weight of a non-reinforcing filler having an average particle diameter of 1 ?m or more, 0.1 to 5 parts by weight of a coupling agent, 1 to 15 parts by weight of a co-crosslinking agent, and 0.5 to 10 parts by weight of an organic peroxide. The lip seal effects to prevent softening and volume swelling of the rubber-like elastic material and furthermore the generation of deposits in the rotating shaft, which are problematic for rotation torque and LLC resistance.Type: GrantFiled: February 17, 2014Date of Patent: November 27, 2018Assignee: Eagle Industry Co., Ltd.Inventors: Takuya Yamanaka, Suguru Yoshida, Masafumi Kato, Hideyuki Murakami
-
Patent number: 10018468Abstract: A physical-quantity sensor is configured to be used with a physical-quantity sensor element that outputs a sensor signal in response to a physical quantity. A physical-quantity detection circuit of the physical-quantity sensor includes a signal generating unit for generating a detecting signal and a multiplier that multiplies the sensor signal by the detecting signal. The signal generating unit converts a first phase of a predetermined signal having a frequency corresponding to a frequency of the sensor signal, into a second phase, and calculates an amplitude value corresponding to the second phase as to generate the detecting signal. This physical-quantity sensor improves accuracy of phase adjustment without increasing a sampling frequency.Type: GrantFiled: October 23, 2014Date of Patent: July 10, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hideyuki Murakami, Takashi Kawai
-
Patent number: 9920187Abstract: An object of the present invention is to provide an HNBR composition and an HNBR crosslinked body excellent in abrasion resistance and pressure resistance. The object is achieved by an HNBR composition containing 3 to 20 parts by weight of carbon fibers or wollastonite as a hard filler per 100 parts by weight of a hydrogenated nitrile rubber and containing 72 to 87 parts by weight of a carbon black having an average particle diameter of 40 to 50 nm, an iodine adsorption of 35 to 49 g/kg, and a DBP oil absorption of 100 to 160 ml/100 g, as well as an HNBR crosslinked body acquired by crosslinking the HNBR composition.Type: GrantFiled: March 20, 2015Date of Patent: March 20, 2018Assignee: NOK CorporationInventors: Takafumi Aiba, Hideyuki Murakami, Kenichi Uchida, Akira Morio, Hiroaki Sato
-
Publication number: 20180041217Abstract: A drive circuit is configured to drive an oscillator to vibrate the oscillator that outputs a monitor signal according to a physical quantity. The drive circuit includes a drive signal generating unit that generates a drive signal having a drive frequency, a phase difference detector that detects a phase difference between the monitor signal and the drive signal, a frequency controller that controls the drive frequency based on the phase difference, automatic gain control (AGC) unit that controls an amplitude of the drive signal according to an amplitude of the monitor signal, and an output unit that outputs the drive signal having the controlled amplitude to the oscillator. This drive circuit can stably drive and vibrate the oscillator.Type: ApplicationFiled: April 11, 2016Publication date: February 8, 2018Inventors: HIDEYUKI MURAKAMI, TAKESHI UEMURA
-
Patent number: 9885586Abstract: A physical quantity sensor includes a detection circuit that outputs a detection value indicating a physical quantity applied to a detecting element and a correction processor that corrects the detection value to output a corrected value. The correction processor causes the corrected value to be substantially 0 (zero) if all of conditions that an absolute value of a time-differentiated value of the detection value is not larger than a predetermined differential threshold and that an absolute value of the corrected value is not larger than a predetermined output threshold are satisfied. This physical quantity sensor prevents the output signal from changing due a temperature change in spite of a small number of components.Type: GrantFiled: August 21, 2013Date of Patent: February 6, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Sho Shimada, Ryota Sudo, Hideyuki Murakami, Shinjiro Ueda
-
Publication number: 20170130032Abstract: An object of the present invention is to provide an HNBR composition and an HNBR crosslinked body excellent in abrasion resistance and pressure resistance. The object is achieved by an HNBR composition containing 3 to 20 parts by weight of carbon fibers or wollastonite as a hard filler per 100 parts by weight of a hydrogenated nitrile rubber and containing 72 to 87 parts by weight of a carbon black having an average particle diameter of 40 to 50 nm, an iodine adsorption of 35 to 49 g/kg, and a DBP oil absorption of 100 to 160 ml/100 g, as well as an HNBR crosslinked body acquired by crosslinking the HNBR composition.Type: ApplicationFiled: March 20, 2015Publication date: May 11, 2017Applicant: NOK CORPORATIONInventors: Takafumi AIBA, Hideyuki MURAKAMI, Kenichi UCHIDA, Akira MORIO, Hiroaki SATO
-
Publication number: 20160334216Abstract: An angular velocity sensor including a vibration body having a sensor electrode, a driving electrode, and a monitor electrode. The monitor electrode generates a signal according to vibration of the vibration body. The sensor circuit outputs a signal representing an angular velocity applied to the vibration body. The amplitude determination circuit measures amplitude of vibration of the vibration body. A PLL circuit includes a constant voltage source for generating a constant voltage, a timing switching unit for outputting a voltage by switching selectively between the constant voltage and a voltage corresponding to the monitor signal, and a voltage-controlled oscillator for outputting an oscillation signal having a frequency corresponding to the voltage output from the timing switching unit. When the amplitude measured is smaller than a predetermined value, the timing switching unit outputs the constant voltage output from the constant voltage source and outputs a start-up mode signal.Type: ApplicationFiled: July 26, 2016Publication date: November 17, 2016Inventors: Hideyuki MURAKAMI, Takashi KAWAI, Masaki NAKAMURA
-
Patent number: 9435647Abstract: An angular velocity sensor including a vibration body having a sensor electrode, a driving electrode, and a monitor electrode. The monitor electrode generates a signal according to vibration of the vibration body. The sensor circuit outputs a signal representing an angular velocity applied to the vibration body. The amplitude determination circuit measures amplitude of vibration of the vibration body. A PLL circuit includes a constant voltage source for generating a constant voltage, a timing switching unit for outputting a voltage by switching selectively between the constant voltage and a voltage corresponding to the monitor signal, and a voltage-controlled oscillator for outputting an oscillation signal having a frequency corresponding to the voltage output from the timing switching unit. When the amplitude measured is smaller than a predetermined value, the timing switching unit outputs the constant voltage output from the constant voltage source and outputs a start-up mode signal.Type: GrantFiled: October 7, 2010Date of Patent: September 6, 2016Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hideyuki Murakami, Takashi Kawai, Masaki Nakamura
-
Patent number: 9392171Abstract: A motion sensor includes a sensor element that outputs a sense signal in response to a motion applied thereto and a sensor circuit that senses the motion based on the sense signal. The sensor circuit includes a sensor-element-signal amplifier that receives the sense signal. The sensor-element-signal amplifier operates switchably between at a normal mode and at a low-noise mode that consumes a larger electric power and produces a smaller noise than the normal mode. This motion sensor senses a small motion and a large motion accurately.Type: GrantFiled: April 10, 2013Date of Patent: July 12, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takeshi Uemura, Hideyuki Murakami, Shinjiro Ueda, Ryota Sudo
-
Publication number: 20160187136Abstract: A physical-quantity sensor is configured to be used with a physical-quantity sensor element that outputs a sensor signal in response to a physical quantity. A physical-quantity detection circuit of the physical-quantity sensor includes a signal generating unit for generating a detecting signal and a multiplier that multiplies the sensor signal by the detecting signal. The signal generating unit converts a first phase of a predetermined signal having a frequency corresponding to a frequency of the sensor signal, into a second phase, and calculates an amplitude value corresponding to the second phase as to generate the detecting signal. This physical-quantity sensor improves accuracy of phase adjustment without increasing a sampling frequency.Type: ApplicationFiled: October 23, 2014Publication date: June 30, 2016Inventors: HIDEYUKI MURAKAMI, TAKASHI KAWAI
-
Publication number: 20160168661Abstract: A thermal barrier-coated Ni alloy component includes: a substrate made of a Ni alloy containing Al; an intermediate layer formed on a surface of the substrate; and a thermal barrier layer made of a ceramic and formed on a surface of the intermediate layer. The intermediate layer includes a ?? layer, which is formed from a ??-Ni3Al phase on the surface on the thermal barrier layer side, and contains Pt.Type: ApplicationFiled: February 24, 2016Publication date: June 16, 2016Applicants: IHI Corporation, NATIONAL INSTITUTE FOR MATERIALS SCIENCEInventors: Hiroki YOSHIZAWA, Akira Tateno, Akihiro Sato, Kota Sasaki, Masato Ishida, Yoshito Yasui, Hideyuki Murakami, Hiromichi Murakami