Patents by Inventor Tsutomu Nakamura
Tsutomu Nakamura 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: 20240117192Abstract: A method for manufacturing a surface-treated gas-phase-process silica particle, the method including steps of: adding 1,3-divinyl-1,1,3,3-tetramethyldisilazane to a raw material gas-phase-process silica particle and introducing a vinyldimethylsilyl group on a surface of the raw material gas-phase-process silica particle to obtain a preliminarily treated silica particle; and adding hexamethyldisilazane to the preliminarily treated silica particle and introducing a trimethylsilyl group on a surface of the preliminarily treated silica particle to obtain a surface-treated gas-phase-process silica particle.Type: ApplicationFiled: December 22, 2021Publication date: April 11, 2024Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Kazuyuki MATSUMURA, Masanobu NISHIMINE, Yusuke ITOH, Hisashi YAGI, Tsutomu NAKAMURA, Yoshiteru SAKATSUME
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Patent number: 11953308Abstract: A light emitting element array includes: a light emitting element group that includes plural light emitting elements; and plural lenses that are provided, corresponding to the plural light emitting elements, on a light emitting surface side of the plural light emitting elements, and that deflects light emitted from the plural light emitting elements according to a positional relation with the plural light emitting elements. Distances between central axes of light emission of the plural light emitting elements and central axes of the plural lenses corresponding to the plural light emitting elements increase from a center side of the light emitting element group toward an end side of the light emitting element group, and a degree of change in the distances decreases from the center side of the light emitting element group toward the end side of the light emitting element group.Type: GrantFiled: July 27, 2020Date of Patent: April 9, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Shigetoshi Nakamura, Kenichi Ohno, Michiaki Murata, Tsutomu Ishii, Jiro Minabe
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Publication number: 20240114801Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain a perovskite-type oxide containing Pb at an A site and containing Zr, Ti, and M at a B site as a main component, an M composition ratio in the first piezoelectric film is different from an M composition ratio in the second piezoelectric film, and polarization-electric field hysteresis measured for the first piezoelectric film with the first electrode grounded and the second electrode as a drive electrode, and polarization-electric field hysteresis measured for the second piezoelectric film with the second electrode grounded and the third electrode as a drive electrode are shifted in the same electric field direction with respect to origins thereof.Type: ApplicationFiled: August 29, 2023Publication date: April 4, 2024Inventors: Seigo NAKAMURA, Hiroyuki KOBAYASHI, Shinya SUGIMOTO, Tsutomu SASAKI
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Publication number: 20240114796Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain a perovskite-type oxide containing Pb Zr, Ti, and M, as a main component, Pb composition ratios in the perovskite-type oxides contained in the first piezoelectric film and the second piezoelectric film are different from each other, and polarization-electric field hysteresis measured for the first piezoelectric film with the first electrode grounded and the second electrode as a drive electrode, and polarization-electric field hysteresis measured for the second piezoelectric film with the second electrode grounded and the third electrode as a drive electrode are shifted in the same electric field direction with respect to origins thereof.Type: ApplicationFiled: August 23, 2023Publication date: April 4, 2024Inventors: Seigo NAKAMURA, Hiroyuki KOBAYASHI, Shinya SUGIMOTO, Tsutomu SASAKI
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Publication number: 20240114797Abstract: A piezoelectric element includes a substrate, a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode, in which both the first piezoelectric film and the second piezoelectric film have spontaneous polarizations aligned in a film thickness direction and directions of the spontaneous polarizations are the same, and in a case where in a hysteresis curve of one piezoelectric film, a coercive voltage Vcf+, a coercive voltage Vcf?, |Vcf+?Vcf?|=?Vcf, and the larger of an absolute value of Vcf+ and an absolute value of Vcf? is denoted by Vcf, and in a hysteresis curve of the other piezoelectric film, a coercive voltage Vcr+, a coercive voltage Vcr?, |Vcr+?Vcr?|=?Vcr, and the larger of an absolute value of Vcr+ and an absolute value Vcr? is denoted by Vcr, ?Vcr<?Vcf?0.2 and Vcr<Vcf?0.2 are satisfied.Type: ApplicationFiled: August 23, 2023Publication date: April 4, 2024Inventors: Hiroyuki KOBAYASHI, Seigo NAKAMURA, Shinya SUGIMOTO, Tsutomu SASAKI
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Publication number: 20240114793Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain PZT having a metal element M doped thereto, as a main component, one piezoelectric film of the first piezoelectric film and the second piezoelectric film has a spontaneous polarization aligned in a film thickness direction, and in a case where in a hysteresis curve showing polarization-voltage characteristics of the one piezoelectric film, a coercive voltage Vcf+ on a positive side and a coercive voltage Vcf? on a negative side, and in polarization-voltage characteristics of the other piezoelectric film, a coercive voltage Vcr+ on a positive side and a coercive voltage Vcr? on a negative sid, |Vcr++Vcr?|<|Vcf++Vcf?|?0.2 is satisfied.Type: ApplicationFiled: August 29, 2023Publication date: April 4, 2024Inventors: Hiroyuki KOBAYASHI, Seigo NAKAMURA, Shinya SUGIMOTO, Tsutomu SASAKI
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Patent number: 11940458Abstract: A measurement tool includes: a measurement tool body including a sample collection unit for collecting a liquid sample by a capillary phenomenon, and a liquid feed channel; and a lid body attachable to and detachable from the measurement tool body. The liquid feed channel includes an upstream side channel and a downstream side channel. A space is defined, into which an upstream side end of the sample collection unit and a downstream side end of the upstream side channel open, when the lid body is attached to the measurement tool body. The downstream side channel is connected to a downstream side end of the sample collection unit. The space is open when the lid body is separated from the measurement tool body, and the space is closed and the upstream side channel and the sample collection unit are connected when the lid body is attached to the measurement tool body.Type: GrantFiled: November 21, 2019Date of Patent: March 26, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tsutomu Nakamura, Kazuhiko Imamura, Nobuhiko Inui, Ryousuke Takahashi
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Publication number: 20240099155Abstract: A memory includes: a magnet including a first and second portions adjacent in a first direction. The first portion has a first dimension in a second direction at a first position at which a dimension of the magnet in the second direction is maximum, the second direction perpendicular to the first direction, the second portion has a second dimension in the second direction at a second position at which a dimension of the magnet in the second direction is minimum, the second dimension smaller than the first dimension, the first portion is continuous to the second portion via a third position between the first and second positions, a curve corresponding to an outer of the magnet extends between the first and third positions, and the curve passes through a side closer to the central axis of the magnet than a straight line connecting the first and second positions.Type: ApplicationFiled: September 11, 2023Publication date: March 21, 2024Applicant: Kioxia CorporationInventors: Masahiro KOIKE, Michael Arnaud QUINSAT, Nobuyuki UMETSU, Tsutomu NAKANISHI, Agung SETIADI, Megumi YAKABE, Shigeyuki HIRAYAMA, Masaki KADO, Yasuaki OOTERA, Shiho NAKAMURA, Susumu HASHIMOTO, Tsuyoshi KONDO
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Patent number: 11927280Abstract: A diaphragm valve includes a valve body that defines a flow path through which fluid flows and an opening that opens to the outside in a middle of flow path; a flexible partition member that covers the opening and separates the flow path from the outside, and changes a cross-sectional area of the flow path; and a flexible support member disposed on a rear surface side opposite to a flow path side of the flexible partition member. A housing is fixed to the valve body via peripheral portions of the flexible partition member and the flexible support member. A humidity sensor that detects a state of an atmosphere or a change thereof in a space defined by the flexible support member and an inner surface of the housing. The diaphragm valve is capable of preventing fluid in a diaphragm valve from leaking to the outside due to breakage of a diaphragm.Type: GrantFiled: May 17, 2019Date of Patent: March 12, 2024Assignee: FUJIKIN INCORPORATEDInventors: Yuya Suzuki, Ryutaro Tanno, Daihi Tsuchiguchi, Nobuo Nakamura, Tsutomu Shinohara
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Patent number: 11892813Abstract: Provided is a control device capable of automatically determining whether or not an inertia estimation function needs to be activated. The control device 10 is for an electric motor and comprises: a first inertia estimation unit 11 that estimates whether or not there has been a change in the inertia of an object to be driven, on the basis of at least one among first information pertaining to an operation program or operation settings for a device comprising the electric motor, second information obtained from a detection device for detecting the shape of the object to be driven by the electric motor, and third information indicating the operation state of the electric motor; and a second inertia estimation unit 12 that estimates the inertia of the object to be driven if the first inertia estimation unit 11 has estimated that there has been a change in the inertia of the object to be driven.Type: GrantFiled: March 17, 2021Date of Patent: February 6, 2024Assignee: FANUC CORPORATIONInventors: Takafumi Murakami, Satoshi Ikai, Tsutomu Nakamura
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Publication number: 20230407011Abstract: A millable-type silicone rubber composition, including: (A) 100 parts by mass of an organopolysiloxane represented by following average composition formula (1), the organopolysiloxane having polymerization degree of 100 or more, wherein a content of a low molecular siloxane contained as an impurity and having a polymerization degree of 10 or less is less than 1,000 ppm; (B) 5 to 100 parts by mass of a treated silica treated with a vinyl group-containing alkoxysilane and/or a vinyl group-containing organosilazane, the treated silica having a hydrophobicity degree of 40 or more; and (C) an effective amount of a curing agent. This provides a millable-type silicone rubber composition that yields a silicone rubber cured product with: a total of low molecular siloxane components having polymerization degree of 10 or less of less than 1,000 ppm; a small change in plasticity degree of the silicone rubber compound; and a small compression set.Type: ApplicationFiled: November 5, 2021Publication date: December 21, 2023Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Daichi TODOROKI, Tsutomu NAKAMURA, Tomohiko SUTOU, Naoki NAKAMURA, Masanobu NISHIMINE, Tomoya OGATA
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Patent number: 11698656Abstract: A frequency characteristic measurement device that measures the frequency characteristic of a measurement target includes: a multi-sine signal generation unit that generates a multi-sine signal; a sweep sinusoidal wave generation unit that generates a plurality of sweep sinusoidal waves; an input signal switching unit that selects any one of the multi-sine signal and the sweep sinusoidal waves so as to input the selected one to the measurement target; a data acquisition unit that acquires, at a predetermined sampling frequency, sampling data of an input signal which is input to the measurement target and sampling data of an output signal which is output from the measurement target; and a characteristic calculation unit that calculates a frequency characteristic including the gain and the phase of the input and output signals in the measurement target from the sampling data of the input and output acquired.Type: GrantFiled: February 6, 2020Date of Patent: July 11, 2023Assignee: FANUC CORPORATIONInventors: Wei Luo, Tsutomu Nakamura
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Patent number: 11687055Abstract: The present disclosure is intended to enable a user to grasp a state of load on an arithmetic processing unit (100, 200) so that the user can stop an excessive function of the arithmetic processing unit (100, 200), or can transfer part of arithmetic processes to another arithmetic processing unit (100, 200) with a small load. Included are the arithmetic processing unit (100, 200) that executes a plurality of processes related to servo control processing; and an observation unit (300) that determines at least one of point-of-time information about start of each of the processes executed by the arithmetic processing unit or point-of-time information about end of each of the processes executed by the arithmetic processing unit; and an output unit (400) that calculates information about usage of the arithmetic processing unit based on the point-of-time information determined by the observation unit, and outputs the calculated information.Type: GrantFiled: August 13, 2020Date of Patent: June 27, 2023Assignee: FANUC CORPORATIONInventors: Wei Luo, Satoshi Ikai, Tsutomu Nakamura
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Publication number: 20230096343Abstract: A rubber compounding ingredient containing (A) a compound having a blocked isocyanate group and a hydrolyzable silyl group, such as an organosilicon compound having the following formula (1): wherein R1 is each independently an alkyl group having 1 to 8 carbon atoms, L is a divalent linking group, X is —O— or —NR2—, Z is a hydrogen atom or a monovalent organic group, R2 is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a group capable of bonding to Z to form a ring structure, and m is an integer of 1 to 3.Type: ApplicationFiled: September 7, 2022Publication date: March 30, 2023Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Munenao HIROKAMI, Tsuneo KIMURA, Masahiko MINEMURA, Tsutomu NAKAMURA
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Patent number: 11603470Abstract: A method for manufacturing granulated silica. The method includes granulating silica powders each having a primary particle size of 5 to 50 nm by use of water, and hydrophobizing each surface of the silica powders with a silicon atom-containing hydrophobizing agent before or simultaneously with the granulation step.Type: GrantFiled: June 19, 2020Date of Patent: March 14, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Masanobu Nishimine, Tomoya Ogata, Daichi Todoroki, Tsutomu Nakamura, Susumu Ueno
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Publication number: 20230050838Abstract: Provided is a control device capable of automatically determining whether or not an inertia estimation function needs to be activated. The control device 10 is for an electric motor and comprises: a first inertia estimation unit 11 that estimates whether or not there has been a change in the inertia of an object to be driven, on the basis of at least one among first information pertaining to an operation program or operation settings for a device comprising the electric motor, second information obtained from a detection device for detecting the shape of the object to be driven by the electric motor, and third information indicating the operation state of the electric motor; and a second inertia estimation unit 12 that estimates the inertia of the object to be driven if the first inertia estimation unit 11 has estimated that there has been a change in the inertia of the object to be driven.Type: ApplicationFiled: March 17, 2021Publication date: February 16, 2023Inventors: Takafumi Murakami, Satoshi Ikai, Tsutomu Nakamura
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Patent number: 11567475Abstract: To provide a servo controller for an industrial machine allowing construction of a system achieving more excellent power efficiency than a conventional system. A servo controller includes: a driving motor that drives an industrial machine; a load detecting unit that detects a load on the driving motor or the amount of power consumed by the driving motor; a buffer motor that feeds regenerative power to the driving motor on the basis of a result of the detection by the load detecting unit; and a base speed setting unit for recovering the buffer motor to a second base speed set to be lower than a constant first base speed preset for the buffer motor and applied before the regenerative power is fed to the driving motor after the buffer motor is decelerated from the first base speed and the regenerative power is fed to the driving motor.Type: GrantFiled: July 9, 2020Date of Patent: January 31, 2023Assignee: FANUC CORPORATIONInventors: Tsutomu Nakamura, Satoshi Ikai
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Patent number: 11559867Abstract: A motor control device includes an acceleration detecting section configured to detect an acceleration of a control object, and an acceleration control section configured to control an acceleration of a motor driving the control object based on the detected acceleration, in which the acceleration control section includes a vibration component extraction filter configured to extract a vibration component generated between the motor and the control object, and the vibration component extraction filter changes a filter characteristic frequency according to at least one of a position and a mass of the control object.Type: GrantFiled: June 3, 2020Date of Patent: January 24, 2023Assignee: Fanuc CorporationInventors: Tsutomu Nakamura, Satoshi Ikai
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Patent number: 11495776Abstract: A transparent desiccant for organic EL and methods for using the transparent desiccant are described, which is a cured product of an organopolysiloxane composition that contains (A) an alkenyl-group-containing organopolysiloxane including a linear organopolysiloxane having at least two alkenyl groups per molecule, (B) chemical formula (I): HaRbSiO(4-a-b)/2??(I) (where R is a C1-10 monovalent hydrocarbon group, a is 0.001-1.0, and b is 0.7-2.1), and (C) a hydrosilylation catalyst. The number of mol Y of silicon-atom-bonded hydrogen atoms (mol) in component (B) satisfies the formula 0.002 (mol)?(Y-X)?0.8 (mol) relative to the number of mol X of silicon-atom-bonded alkenyl groups (mol) in component (A). The transparent desiccant for an organic EL is highly transparent, capable of top emission, has low shrinkage growth, suppresses loss of an element light-emitting portion, suppresses the short-circuit phenomenon, and has exceptional defoaming properties in the material curing process.Type: GrantFiled: February 19, 2019Date of Patent: November 8, 2022Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Hiroto Ohwada, Minoru Igarashi, Tsutomu Nakamura
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Patent number: 11482435Abstract: In a plasma processing apparatus, an additional viewing window is disposed between an infrared temperature sensor and a view window, and the additional viewing window is cooled to be retained at room temperature (20° C. to 25° C.), to reduce and to stabilize electromagnetic waves emitted from the viewing window. By correcting the value of the electromagnetic waves, the measurement precision of the temperature monitor is increased and it is possible to measure and to control the dielectric window temperature in a stable state.Type: GrantFiled: September 6, 2019Date of Patent: October 25, 2022Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Masatoshi Kawakami, Tsutomu Nakamura, Hideki Kihara, Hiroho Kitada, Hidenobu Tanimura, Hironori Kusumoto