Patents by Inventor Yoshinori Sato
Yoshinori Sato 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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Patent number: 11760838Abstract: The polyimide resin precursor in the present embodiment is a polyimide resin precursor obtained by allowing a diamine component and a tetracarboxylic acid anhydride component to react with each other, wherein based on the whole of the diamine component, the content of p-phenylenediamine is 75 mol % or more; the tetracarboxylic acid anhydride component includes an ester-containing tetracarboxylic acid anhydride represented by formula (1), and at least one biphenyltetracarboxylic acid anhydride selected from the group consisting of 3,4,3?,4?-biphenyltetracarboxylic acid dianhydride, 2,3,3?,4?-biphenyltetracarboxylic acid dianhydride and 2,3,2?,3?-biphenyltetracarboxylic acid dianhydride; and based on the whole of the tetracarboxylic acid anhydride component, (i) the total of the content of the ester-containing tetracarboxylic acid anhydride and the content of the biphenyltetracarboxylic acid anhydride is 75 mol % or more, and (ii) the content of the ester-containing tetracarboxylic acid anhydride is 15 to 80 moType: GrantFiled: April 30, 2020Date of Patent: September 19, 2023Assignee: Arisawa Mfg. Co., Ltd.Inventors: Hiroyuki Matsuyama, Yoshinori Sato
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Patent number: 11764440Abstract: A nonaqueous electrolyte secondary battery separator which has a low shutdown temperature, a high mechanical strength, and a high ion permeability is provided. The nonaqueous electrolyte secondary battery separator contains a polyolefin-based resin as a main component. The nonaqueous electrolyte secondary battery separator has a maximum heating value of not less than 30 mW/g observed during isothermal crystallization of the nonaqueous electrolyte secondary battery separator at 128° C.Type: GrantFiled: May 27, 2021Date of Patent: September 19, 2023Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yuki Yoneguchi, Yoshinori Sato, Atsuhiro Takata
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Patent number: 11736003Abstract: A control device of a power factor correction circuit disposed in a power supply device that generates a direct-current output voltage from an alternating-current voltage applied to a power supply terminal pair, the power factor correction circuit including an inductor that is disposed between a full-wave rectification circuit that generates a full-wave rectified voltage by carrying out full-wave rectification of the alternating-current voltage and an output interconnect line to which a smoothing capacitor is connected and to which the output voltage is applied, and is inserted between the full-wave rectification circuit and the output interconnect line, and a switching element for controlling an inductor current that flows in the inductor. The control device controls a state of the switching element based on a pulsating voltage obtained by rectifying a voltage between the power supply terminal pair and the full-wave rectification circuit and a feedback voltage according to the output voltage.Type: GrantFiled: October 27, 2020Date of Patent: August 22, 2023Assignee: ROHM CO., LTD.Inventors: Yoshinori Sato, Satoru Nate, Yifei Tang
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Publication number: 20230062534Abstract: A power control device includes a mode setter configured to effect a change from a normal mode to a low-power mode upon detecting a light load in a burst operation, and a minimum on-period setter configured to, in response to a change to the low-power mode, change the minimum on-period of the switching transistor from a first minimum on-period to a second minimum on-period longer than the first minimum on-period.Type: ApplicationFiled: October 29, 2020Publication date: March 2, 2023Inventors: Yoshinori Sato, Satoru Nate
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Publication number: 20230036546Abstract: According to one embodiment, a disk device includes a recording medium of a disk form, a magnetic head, a housing, and a first protective member made of a resin. The recording medium includes a recording layer. The magnetic head is configured to read/write information from/to the recording medium. The housing includes a base provided with an inner chamber in which the recording medium and the magnetic head are accommodated, a cover that covers the inner chamber, and a welded part at which the base and the cover are welded to each other. The first protective member is located outside the housing, to cover at least part of the welded part.Type: ApplicationFiled: September 28, 2022Publication date: February 2, 2023Inventors: Naoto Akatsuka, Yoshinori Sato, Hideaki Kamezawa, Hirofumi Kuribara
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Patent number: 11554528Abstract: A blow molding machine is subjected to a sterilizing treatment in a simple manner. A liquid sterilizer is filled into preforms of at least the same number as the number of spindles. In a heating unit that heats the preforms to a molding temperature, some of the liquid sterilizer is caused to diffuse, and blow air is blasted into preforms in which the liquid sterilizer remains to cause the liquid sterilizer to diffuse in a molding unit, and molded bottles are discharged.Type: GrantFiled: August 22, 2018Date of Patent: January 17, 2023Assignee: Dai Nippon Printing Co., Ltd.Inventors: Atsushi Hayakawa, Yoshinori Sato
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Publication number: 20230001625Abstract: A blow molding machine is subjected to a sterilizing treatment in a simple manner. A liquid sterilizer is filled into preforms of at least the same number as the number of spindles. In a heating unit that heats the preforms to a molding temperature, some of the liquid sterilizer is caused to diffuse, and blow air is blasted into preforms in which the liquid sterilizer remains to cause the liquid sterilizer to diffuse in a molding unit, and molded bottles are discharged.Type: ApplicationFiled: September 6, 2022Publication date: January 5, 2023Applicant: Dai Nippon Printing Co., Ltd.Inventors: Atsushi HAYAKAWA, Yoshinori SATO
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Publication number: 20220416668Abstract: This power supply IC is a semiconductor integrated circuit device serving as a main part for controlling a switching power supply and is formed by integrating a feedback resistor and an output feedback control unit on a single semiconductor substrate, said feedback resistor generating a feedback voltage by dividing the output voltage of the switching power supply (or the induced voltage appearing across an auxiliary winding provided on the primary side of a transformer included in an insulation-type switching power supply), said output feedback control unit performing output feedback control of the switching power supply in accordance with the feedback voltage. The feedback resistor is a polysilicon resistor having a withstand voltage of 100 V or more. A high-voltage region having higher withstand voltage in the substrate thickness direction than the other region is formed in the semiconductor substrate, and the feedback resistor is formed on the high-voltage region.Type: ApplicationFiled: August 31, 2022Publication date: December 29, 2022Inventors: Satoru Nate, Yoshinori Sato
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Publication number: 20220371873Abstract: Even when the filling speed increases, the surface temperature of a molded bottle falls within a constant range, and a sterilizer adequately sterilizes the bottle. A preform is heated, the heated preform is sealed in a mold, the preform sealed in the mold is blow-molded into a bottle, the surface temperatures of a neck portion, a body portion, and a bottom portion of the molded bottle are measured, and the mold temperatures of a neck portion, a body portion, and a bottom portion of the mold is so adjusted that the measured surface temperature of the bottle falls within a specified temperature range.Type: ApplicationFiled: July 28, 2022Publication date: November 24, 2022Applicant: Dai Nippon Printing Co., Ltd.Inventors: Atsushi HAYAKAWA, Yoshinori SATO, Seiji KUWANO
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Patent number: 11509216Abstract: A non-isolated buck converter generates an output voltage by stepping down an input voltage obtained by subjecting an alternating-current voltage to full-wave rectification and smoothing, by using a step-down circuit including a switching element, an inductor, and a freewheeling diode. The switching element is disposed between a first terminal and a second terminal. A semiconductor device in charge of switching control operates with a potential at the second terminal as a reference. A control circuit provided in the semiconductor device includes a protecting circuit capable of referring to an evaluation voltage corresponding to a voltage between the first terminal and the second terminal at a sampling timing at which a predetermined period of time has passed from turning off of the switching element, and performing a protecting operation that fixes the switching element to an off state on the basis of the evaluation voltage.Type: GrantFiled: October 29, 2020Date of Patent: November 22, 2022Assignee: ROHM CO., LTD.Inventors: Yoshinori Sato, Satoru Nate, Yifei Tang
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Patent number: 11509225Abstract: This power supply IC is a semiconductor integrated circuit device serving as a main part for controlling a switching power supply and is formed by integrating a feedback resistor and an output feedback control unit on a single semiconductor substrate, said feedback resistor generating a feedback voltage by dividing the output voltage of the switching power supply (or the induced voltage appearing across an auxiliary winding provided on the primary side of a transformer included in an insulation-type switching power supply), said output feedback control unit performing output feedback control of the switching power supply in accordance with the feedback voltage. The feedback resistor is a polysilicon resistor having a withstand voltage of 100 V or more. A high-voltage region having higher withstand voltage in the substrate thickness direction than the other region is formed in the semiconductor substrate, and the feedback resistor is formed on the high-voltage region.Type: GrantFiled: August 28, 2018Date of Patent: November 22, 2022Assignee: Rohm Co., Ltd.Inventors: Satoru Nate, Yoshinori Sato
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Patent number: 11488637Abstract: According to one embodiment, a disk device includes a recording medium of a disk form, a magnetic head, a housing, and a first protective member made of a resin. The recording medium includes a recording layer. The magnetic head is configured to read/write information from/to the recording medium. The housing includes a base provided with an inner chamber in which the recording medium and the magnetic head are accommodated, a cover that covers the inner chamber, and a welded part at which the base and the cover are welded to each other. The first protective member is located outside the housing, to cover at least part of the welded part.Type: GrantFiled: March 11, 2021Date of Patent: November 1, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Naoto Akatsuka, Yoshinori Sato, Hideaki Kamezawa, Hirofumi Kuribara
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Patent number: 11469424Abstract: A fuel cell catalyst which has high power output characteristics and suppresses degradation of power generation performance due to starting, stopping or load variation; a manufacturing method thereof; a membrane electrode assembly for fuel cell; and a fuel cell including the same. The fuel cell catalyst includes at least catalytically active species and a carrier supporting the catalytically active species. The catalytically active species are at least one selected from the group consisting of platinum, a platinum alloy, and a core-shell catalyst in which a core of a metal different from platinum is coated with a shell containing platinum, the carrier is a carbon material, and at least one of the catalytically active species and the carrier contain(s) fluorine atoms.Type: GrantFiled: April 15, 2019Date of Patent: October 11, 2022Inventors: Sojiro Kon, Natsuki Mine, Yoshinori Sato, Masashi Yamamoto, Tetsuo Nishida
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Publication number: 20220319767Abstract: A laminated electronic component includes an element body formed by laminating an insulating layer and having a bottom surface used as a mounting surface, and side surfaces configured to extend to intersect the bottom surface, and a bottom surface electrode formed on the bottom surface of the element body, wherein the bottom surface electrode includes a first electrode layer and a second electrode layer formed on the element body side from the first electrode layer, the first electrode layer is a resin electrode laminated to cover the second electrode layer, and has a stretched portion configured to extend to the side surface, and a width dimension of the stretched portion is smaller than a width dimension of the first electrode layer on the bottom surface.Type: ApplicationFiled: March 30, 2022Publication date: October 6, 2022Applicant: TDK CORPORATIONInventors: Noriyuki SAITO, Yoshinori SATO, Toru YOSHIDA, Akira SUDA, Akira NAKAMURA
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Publication number: 20220319777Abstract: A laminated electronic component includes an element body formed by laminating an insulating layer and having a bottom surface used as a mounting surface, and a bottom surface electrode formed on the bottom surface of the element body and containing glass and a sintered metal, wherein the bottom surface electrode includes a first electrode layer and a second electrode layer formed on the element body side from the first electrode layer, an edge portion of the second electrode layer is covered with an overcoat layer which is a part of the element body, the first electrode layer is laminated on the second electrode layer with the overcoat layer interposed therebetween, and a content of glass in the first electrode layer is larger than a content of glass in the second electrode layer.Type: ApplicationFiled: March 22, 2022Publication date: October 6, 2022Applicant: TDK CORPORATIONInventors: Noriyuki SAITO, Osamu HIROSE, Toru YOSHIDA, Yoshinori SATO, Akira SUDA, Akira NAKAMURA
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Publication number: 20220231377Abstract: Disclosed herein is a separator for an electrochemical element, comprising a fibrous structure, wherein the fibrous structure has a first fibrous layer part in which short fibers and/or pulp-like fibers are intertwined with each other, and a second fibrous layer part; some of the short fibers and/or the pulp-like fibers constituting the first fibrous layer part penetrates the second fibrous layer part; and a pore diameter distribution of the fibrous structure satisfies the following formula: 0 ?m<Dmax<18 ?m, and 0 ?m?(Dmax?Dave)<13 ?m, wherein Dmax is a maximum pore diameter (?m) of the fibrous structure, and Dave is an average pore diameter (?m) of the fibrous structure.Type: ApplicationFiled: April 8, 2022Publication date: July 21, 2022Inventors: Hiroki CHO, Yoshinori SATO, Ayuka NOGUCHI, Akihiko KAWANO, Masanao TANAKA, Yasuhiro ITO
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Patent number: 11386307Abstract: A machine vision system comprising receiving means configured to receive image data indicative of an object to be classified where there is provided processing means with an initial neural network, the processing means configured to determine a differential equation describing the initial neural network algorithm based on the neural network parameters, and to determine a solution to the differential equation in the form of a series expansion; and to convert the series expansion to a finite series expansion by limiting the number of terms in the series expansion to a finite number; and to determine the output classification in dependence on the finite series expansion.Type: GrantFiled: September 25, 2018Date of Patent: July 12, 2022Assignee: NISSAN MOTOR CO., LTD.Inventors: Andrew Batchelor, Garry Jones, Yoshinori Sato
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Publication number: 20220185208Abstract: There is provided a power supply controller including: a monitor voltage generation part configured to generate a monitor voltage according to a primary voltage of a transformer that forms an insulated switching power supply; a sample/hold part configured to sample/hold the monitor voltage and output a feedback voltage; and a controller configured to turn on/off a primary current of the transformer by a fixed on-time method according to the feedback voltage, wherein the sample/hold part samples/holds the primary voltage at a plurality of different timings and outputs one of a plurality of hold values as the feedback voltage.Type: ApplicationFiled: December 7, 2021Publication date: June 16, 2022Inventors: Yoshinori Sato, Yohei Akamatsu, Satoru Nate, Hiroaki Sawaoka
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Publication number: 20220084558Abstract: According to one embodiment, a disk device includes a recording medium of a disk form, a magnetic head, a housing, and a first protective member made of a resin. The recording medium includes a recording layer. The magnetic head is configured to read/write information from/to the recording medium. The housing includes a base provided with an inner chamber in which the recording medium and the magnetic head are accommodated, a cover that covers the inner chamber, and a welded part at which the base and the cover are welded to each other. The first protective member is located outside the housing, to cover at least part of the welded part.Type: ApplicationFiled: March 11, 2021Publication date: March 17, 2022Inventors: Naoto Akatsuka, Yoshinori Sato, Hideaki Kamezawa, Hirofumi Kuribara
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Patent number: 11254813Abstract: Provided is a molded article comprising a resin, wherein the resin comprises a methacrylic resin comprising a structural unit derived from a methacrylic acid ester and a structural unit derived from a silica particle having an average primary particle diameter of 1 nm or more and 50 nm or less and comprising at least one polymerizable functional group, and the molded article has an absolute value of degree of orientation in the thickness direction of 0.02 or more and satisfies the requirement (I): (I) When the free induction decay curve (X) obtained by measuring the molded article by a solid echo method at 150° C. using a pulse nuclear magnetic resonance measurement apparatus is approximated by the least square method using the formula (F1), the sum (B+C) of the component fractions of two components having different spin-spin relaxation times in the free induction decay curve (X) is 4% or more.Type: GrantFiled: January 23, 2018Date of Patent: February 22, 2022Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenta Ishizuka, Nao Inoue, Akinori Bando, Yoshinori Sato