Patents by Inventor Yusuke Matsubara
Yusuke Matsubara 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: 20240097441Abstract: A management system includes a plurality of resources configured to be electrically connected to an external power supply, and a management device configured to manage the resources. The management device includes a planning unit and a management unit. The planning unit is configured to determine a power balancing plan of each of the resources by using first information on a use schedule of each of the resources and second information indicating a magnitude of an environmental load in a process of generating electric power to be supplied by the external power supply. The management unit is configured to manage the resources to cause each of the resources to operate according to the power balancing plan or a modified power balancing plan in power balancing of the external power supply.Type: ApplicationFiled: August 3, 2023Publication date: March 21, 2024Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CHUBU ELECTRIC POWER MIRAIZ CO., INC., CHUBU ELECTRIC POWER CO., INC.Inventors: Yusuke HORII, Eiko Megan UCHIDA, Masashi TANAKA, Masato EHARA, Sachio TOYORA, Tomoya TAKAHASHI, Akinori MORISHIMA, Takuji MATSUBARA, Tohru NAKAMURA, Ryou TAKAHASHI, Kenta ITO, Toshiki SUZUKI, Atsushi MIYASHITA, Takashi OCHIAI
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Publication number: 20240084914Abstract: A stator unit includes a main circuit board parallel to an up-and-down direction, a sub circuit board at a right angle to the main circuit board, a magnetic sensor on the sub circuit board, and a housing including a sub circuit board space that is located adjacent to an inner space of the stator unit in which a can is disposed. The sub circuit board includes a first end connected to the main circuit board via a circuit board terminal and a second end located near the inner space in the sub circuit board space. The magnetic sensor is located closer to the inner space than the circuit board terminal is.Type: ApplicationFiled: January 24, 2022Publication date: March 14, 2024Inventors: Tatsuya YOSHIDA, Yuta MATSUBARA, Yusuke ARAI
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Publication number: 20240072704Abstract: Motor controller device comprising a position control system that controls the position of a machine end connected to a motor, wherein the motor controller device receiving the first speed directive from the high-level controller, stored in the position control system to output a motor axis position response to the high-level controller, comprising speed controller and vibration controller in speed control system, wherein the vibration controller in speed control system comprising: a position command estimator that calculates an estimate of the location directive based on the first speed directive and the motor axis position response, a parallel vibration damping controller that extracts the frequency components that excite vibration of the machine end included in the first speed directive based on the estimated value of the location directive, and outputs the extracted frequency components.Type: ApplicationFiled: December 14, 2021Publication date: February 29, 2024Inventors: Mitsuru MATSUBARA, Yuuri TAKANO, Yusuke UEI, Terutomo KONDO, Tetsuo YANADA, Kazuaki TOBARI
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Publication number: 20230290888Abstract: Provided is a semiconductor element including at least, a semiconductor layer including a crystalline oxide semiconductor as a major component; an electrode layer laminated on the semiconductor layer; and a conductive substrate laminated on the electrode layer directly or with another layer in between, the conductive substrate containing at least a first metal selected from the metals in group 11 in the periodic table and a second metal different from the first metal in coefficient of liner thermal expansion.Type: ApplicationFiled: February 6, 2023Publication date: September 14, 2023Inventors: Hideaki YANAGIDA, Shogo MIZUMOTO, Hiroyuki ANDO, Yusuke MATSUBARA
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Publication number: 20230261578Abstract: Provided is a power conversion circuit and a control system in which radiated noise of the entire circuit is reduced. A power conversion circuit including at least: a switching element (e.g. a MOSFET, etc.) and a diode (e.g. a commutating diode, etc.): wherein the power conversion circuit is a single-switch power conversion; and the diode is a gallium oxide-based Schottky barrier diode.Type: ApplicationFiled: March 30, 2023Publication date: August 17, 2023Inventors: Toshihiro IWAKI, Takuto IGAWA, Hidehito KITAKADO, Yusuke MATSUBARA
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Publication number: 20230207431Abstract: Provided is a semiconductor device including, a plurality of PN junction diodes each having a negative temperature characteristic and connected to each other in series; a Schottky barrier diode having a positive temperature characteristic and connected to the PN junction diodes in parallel; and a die pad on which at least one of the PN junction diodes and the Schottky barrier diode are mounted commonly.Type: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Inventors: Hideaki YANAGIDA, Takashi SHINOHE, Hiroyuki ANDO, Yusuke MATSUBARA, Hidehito KITAKADO
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Publication number: 20230207541Abstract: Provided is a semiconductor device including, a plurality of PN junction diodes each having a negative temperature characteristic and connected to each other in series; a plurality of resistance elements connected respectively to the PN junction diodes in parallel and connected to each other in series; and a Schottky barrier diode having a positive temperature characteristic and connected to the PN junction diodes in parallel.Type: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Inventors: Hideaki YANAGIDA, Takashi SHINOHE, Hiroyuki ANDO, Yusuke MATSUBARA, Hidehito KITAKADO
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Publication number: 20230203755Abstract: It is an object of the present invention to provide fine fibrous cellulose capable of enhancing transparency and suppressing coloring, when the fine fibrous cellulose are processed into a dispersed solution or a sheet. The present invention relates to fine fibrous cellulose, in which the amount of substituents introduced is less than 0.5 mmol/g and the fiber width is 1 to 10 nm. Moreover, the present invention relates to a dispersed solution and a sheet, each of which comprises fine fibrous cellulose. Furthermore, the present invention relates to a method for producing fine fibrous cellulose, comprising: (A) removing at least a part of substituents from fine fibrous cellulose with a fiber width of 1000 nm or less having the substituents, and (B) performing a uniform dispersion treatment on the resulting fine fibrous cellulose after completion of the (A).Type: ApplicationFiled: May 19, 2021Publication date: June 29, 2023Applicant: OJI HOLDINGS CORPORATIONInventors: Ikue SUGIYAMA, Yusuke MATSUBARA, Rina SHISHIDO, Hayato FUSHIMI, Yoshiharu NISHIKORI
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Publication number: 20230179095Abstract: Provided is a power conversion circuit including at least: a switching element that opens and closes an inputted voltage via a reactor; and a commutating diode that passes a current in a direction of an electromotive force by a voltage including at least the electromotive force generated from the reactor when the switching element is turned off, the commutating diode including a gallium oxide-based Schottky barrier diode.Type: ApplicationFiled: January 9, 2023Publication date: June 8, 2023Inventors: Hidehito KITAKADO, Yusuke MATSUBARA
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Publication number: 20220384663Abstract: Provided is a semiconductor element including: a multilayer structure including: a conductive substrate; and an oxide semiconductor film arranged directly on the conductive substrate or over the conductive substrate via a different layer, the oxide semiconductor film including an oxide, as a major component, having a corundum structure, the conductive substrate having a larger area than the oxide semiconductor film.Type: ApplicationFiled: August 5, 2022Publication date: December 1, 2022Applicant: FLOSFIA INC.Inventors: Yusuke MATSUBARA, Osamu IMAFUJI, Hiroyuki ANDO, Hideki TAKEHARA, Takashi SHINOHE, Mitsuru OKIGAWA
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Publication number: 20220376056Abstract: Provided is a semiconductor element including: a multilayer structure including: a conductive substrate; and an oxide semiconductor film arranged directly on the conductive substrate or over the conductive substrate via a different layer, the oxide semiconductor film including an oxide, as a major component, containing gallium, the conductive substrate having a larger area than the oxide semiconductor film.Type: ApplicationFiled: August 5, 2022Publication date: November 24, 2022Inventors: Yusuke MATSUBARA, Osamu IMAFUJI, Hiroyuki ANDO, Hideki TAKEHARA, Takashi SHINOHE, Mitsuru OKIGAWA
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Publication number: 20220246733Abstract: An object of the disclosure is to provide a semiconductor device with low-loss and suppressed leakage current, which is particularly useful for power devices. A semiconductor device including a semiconductor layer, a dielectric film provided on the semiconductor layer and having an opening and provided over a distance of at least 0.25 ?m from the opening, and an electrode layer provided over a part or all of the dielectric film from the inside of the opening, wherein the dielectric film has a thickness of less than 50 nm from the opening to a distance of 0.25 ?m, and has relative permittivity of 5 or less.Type: ApplicationFiled: May 22, 2020Publication date: August 4, 2022Inventors: Mitsuru OKIGAWA, Yasushi HIGUCHI, Yusuke MATSUBARA
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Publication number: 20220223682Abstract: Provided is a semiconductor element including; a semiconductor film; and a porous layer disposed on a first surface side of the semiconductor film or a second surface side opposite from the first surface side, a porosity of the porous layer being no more than 10%.Type: ApplicationFiled: April 1, 2022Publication date: July 14, 2022Inventors: Osamu IMAFUJI, Yusuke MATSUBARA
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Publication number: 20220158000Abstract: Provided is a semiconductor device in which crystal defects due to stress concentration in a semiconductor layer caused by an insulator film are prevented, the semiconductor device that is particularly useful for power devices. A semiconductor device including at least: a semiconductor layer; a Schottky electrode; and an insulator layer provided between a part of the semiconductor layer and the Schottky electrode, wherein the semiconductor layer contains a crystalline oxide semiconductor, and wherein the insulator layer has a taper angle of 10° or less.Type: ApplicationFiled: January 14, 2022Publication date: May 19, 2022Inventors: Mitsuru OKIGAWA, Yasushi HIGUCHI, Yusuke MATSUBARA, Osamu IMAFUJI, Takashi SHINOHE
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Publication number: 20220140145Abstract: Provided are a multilayer structure in which crystal defects due to stress concentration in a semiconductor layer caused by an insulator film are prevented and a semiconductor device using the multilayer structure, the multilayer structure and the semiconductor device that are particularly useful for power devices. A multilayer structure in which an insulator film is arranged on a part of a semiconductor film, wherein the semiconductor film has a corundum structure and contains a crystalline oxide semiconductor containing one or two or more metals selected from groups 9 and 13 of the periodic table, and wherein the insulator film has a taper angle of 20° or less.Type: ApplicationFiled: January 14, 2022Publication date: May 5, 2022Inventors: Mitsuru OKIGAWA, Yasushi HIGUCHI, Yusuke MATSUBARA, Osamu IMAFUJI, Takashi SHINOHE
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Patent number: 11111631Abstract: It is an object of the present invention to provide a method for producing ultrafine fibrous cellulose, which is capable of efficiently obtaining ultrafine fibrous cellulose having phosphoric acid groups with a high yield. The present invention relates to a method for producing fibrous cellulose having a fiber width of 1000 nm or less, comprising: a (A) of introducing phosphoric acid groups into cellulose fibers to form crosslinked structures via the phosphoric acid groups, thereby obtaining crosslinked phosphorylated cellulose fibers, a (B) of breaking some or all of the crosslinked structures to obtain crosslink-broken phosphorylated cellulose fibers, and a (C) of performing a mechanical treatment on the crosslink-broken phosphorylated cellulose fibers to obtain fibrous cellulose having a fiber width of 1000 nm or less, wherein, in the (A), crosslinked structures in an amount of 0.05 mmol/g or more and 2.Type: GrantFiled: March 10, 2020Date of Patent: September 7, 2021Assignee: OJI HOLDINGS CORPORATIONInventors: Yuichi Noguchi, Ikue Homma, Yusuke Matsubara
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Patent number: 11084889Abstract: Provided is a method for producing water-absorbent resin particles, which is capable of improving the gel strength for the purpose of achieving a good balance between the absorption under load and the rate of liquid permeation through gel. The present invention is a method for producing water-absorbent resin particles, which is characterized by comprising a step wherein a monomer composition containing a water-soluble vinyl monomer (a1) and/or a vinyl monomer (a2) that turns into a water-soluble vinyl monomer (a1) by means of hydrolysis and a crosslinking agent (b) is polymerized in the presence of at least one organic main group element compound selected from the group consisting of organic iodine compounds, organic tellurium compounds, organic antimony compounds, and organic bismuth compounds.Type: GrantFiled: September 30, 2016Date of Patent: August 10, 2021Assignee: SDP Global Co., Ltd.Inventors: Yusuke Matsubara, Toru Miyajima
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Publication number: 20210070687Abstract: The present invention's purpose is to provide: a molecular-weight controlling agent for radical polymerization which enables controlled radical polymerization of a water-soluble monomer in an aqueous medium; a method for producing a polymer of a water-soluble vinyl monomer using the same; and a water-soluble vinyl monomer polymer. The present invention provides a molecular-weight controlling agent for radical polymerization characterized in that the agent comprises, as its active ingredient, an iodine compound represented by formula (1) and in that the solubility of the active ingredient in water is 0.5 weight % or more at 20° C. In the formula, R1 is —COOX, —CONR4R5, an aromatic group or a cyano group, X is a hydrogen atom, an aliphatic group, an alkali metal, an alkaline earth metal, an organic ammonium or an ammonium, and R2, R3, R4 and R5 are each independently a hydrogen atom, an aromatic group or an aliphatic group.Type: ApplicationFiled: March 15, 2018Publication date: March 11, 2021Inventors: Toru Miyajima, Yusuke Matsubara, Michihiko Miyamoto, Hiroto Komatsu, Yu Yamaguchi, Takuya Jitsukawa
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Publication number: 20200208350Abstract: It is an object of the present invention to provide a method for producing ultrafine fibrous cellulose, which is capable of efficiently obtaining ultrafine fibrous cellulose having phosphoric acid groups with a high yield. The present invention relates to a method for producing fibrous cellulose having a fiber width of 1000 nm or less, comprising: a (A) of introducing phosphoric acid groups into cellulose fibers to form crosslinked structures via the phosphoric acid groups, thereby obtaining crosslinked phosphorylated cellulose fibers, a (B) of breaking some or all of the crosslinked structures to obtain crosslink-broken phosphorylated cellulose fibers, and a (C) of performing a mechanical treatment on the crosslink-broken phosphorylated cellulose fibers to obtain fibrous cellulose having a fiber width of 1000 nm or less, wherein, in the (A), crosslinked structures in an amount of 0.05 mmol/g or more and 2.Type: ApplicationFiled: March 10, 2020Publication date: July 2, 2020Applicant: OJI HOLDINGS CORPORATIONInventors: Yuichi NOGUCHI, Ikue HOMMA, Yusuke MATSUBARA
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Patent number: 10682625Abstract: Provided is an absorbent resin composition which has both improved absorbency under load and improved liquid permeability between swollen gels, which is free from blocking or discoloration during storage, and which does not generate any odors. The present invention is an absorbent resin composition containing: a crosslinked polymer (A) including, as an essential structural units, a crosslinking agent (b) and a water-soluble vinyl monomer (a1) and/or a vinyl monomer (a2) which produces the water-soluble vinyl monomer (a1) through hydrolysis; and a cationic organic polymer (c) having a number average molecular weight of 1,000,000 or higher, or a cationic organic polymer (B) that has a cationic group and that is obtained through polymerization of a monomer composition including, as essential components, a cationic monomer having an amino group (am) and/or a cationic monomer having a salt of an amino group (am).Type: GrantFiled: September 30, 2016Date of Patent: June 16, 2020Assignee: SDP Global Co., Ltd.Inventors: Toru Miyajima, Yusuke Matsubara, Taichi Matsuyama, Shoichi Hirooka