Patents by Inventor Masaki Tanaka
Masaki Tanaka 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: 20240023437Abstract: Provided is an organic electroluminescent device that has a long device lifetime and is stable. The organic electroluminescent device has a light emitting layer containing first to third compounds satisfying the following formulae. ES1 is a lowest excited singlet energy and EHOMO(n) is a HOMO energy. ES1(1)>ES1(2)>ES1(3) 0 eV<EHOMO(3)-EHOMO(2)<0.Type: ApplicationFiled: November 17, 2021Publication date: January 18, 2024Inventors: YiTing LEE, Masaki TANAKA, Chin-Yiu CHAN, Youichi TSUCHIYA, Hajime NAKANOTANI, Chihaya ADACHI, Yu INADA
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Publication number: 20240019184Abstract: A refrigerant recovery system performs separation of a first refrigerant from a refrigerant including the first refrigerant, and recovery of the refrigerant. The refrigerant recovery system includes a separation unit that perform the separation of the first refrigerant, and a storage unit that stores the refrigerant before the first refrigerant is separated or after the first refrigerant is separated.Type: ApplicationFiled: September 27, 2023Publication date: January 18, 2024Inventors: Hiroki UEDA, Atsushi YOSHIMI, Eiji KUMAKURA, Masaki TANAKA, Masaki NAKAYAMA, Ryuhei KAJI
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Publication number: 20230417459Abstract: A refrigeration cycle apparatus includes a refrigerant circuit and an adsorbent. The refrigerant circuit includes a compressor that compresses a refrigerant. The refrigerant circuit configures a vapor compression refrigeration cycle in which the refrigerant circulates. The adsorbent adsorbs and desorbs the refrigerant circulating in the refrigerant circuit. The adsorbent adsorbs and desorbs the refrigerant in accordance with a change in a pressure of the refrigerant circulating in the refrigerant circuit.Type: ApplicationFiled: June 27, 2023Publication date: December 28, 2023Applicants: DAIKIN INDUSTRIES, LTD., The University of TokyoInventors: Eiji KUMAKURA, Ryuhei KAJI, Hiroki UEDA, Masaki TANAKA, Kosuke NISHIMURA, Kazuhiro FURUSHO, Yoshimasa KIKUCHI, Hirofumi DAIGUJI, Arun MAJUMDAR, Wei-Lun HSU, Jubair Ahmed SHAMIM
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Patent number: 11834779Abstract: Functional agent-containing fibers according to an embodiment of the present invention, wherein a functional agent is supported by silicone fixed to the fibers. The silicone includes an acrylic-modified organopolysiloxane having two or more acrylic groups per molecule. A rate of decrease in the functional agent after the functional agent-containing fibers are washed 10 times is less than 40%. In the present invention, the functional agent-containing fibers may be produced, e.g., by irradiating fibers impregnated with a fiber treatment agent A containing silicone with an electron beam so that the silicone is fixed to the fibers, and impregnating the fibers to which the silicone has been fixed with a fiber treatment agent B containing a functional agent. The functional agent-containing fibers may be produced, e.g.Type: GrantFiled: March 26, 2018Date of Patent: December 5, 2023Assignees: SHIN-ETSU CHEMICAL CO., LTD., KURASHIKI BOSEKI KABUSHIKI KAISHAInventors: Shinji Irifune, Tomoya Kanai, Masaki Tanaka, Minoru Sugiyama, Hidenobu Morishima, Kazuhiro Sato
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Publication number: 20230380464Abstract: This bile acid adsorbing agent composed of silica particles, to which an organosilicon compound represented by general formula (1) is bonded, has the advantage that water-absorption swelling does not occur. (In formula (1), R1, R2, and R3 each independently represent a hydrogen atom, a C1-C20 alkyl group, a vinyl group, a phenyl group, or a benzyl group, and R4 represents a group represented by general formula (2), provided that R1 and R3 may be bonded to each other to form a benzene ring.) (In formula (2), A represents a linear or branched divalent linking group which may contain a heteroatom, a urethane bond, a urea bond, a thiourethane bond, and/or a thiourea bond, R5,s each independently represent a C1-C10 alkyl group or a C6-C10 aryl group, R6,s each independently represent a C1-C10 alkyl group or a C6-C10 aryl group, and n represents an integer of 1-3.Type: ApplicationFiled: September 27, 2021Publication date: November 30, 2023Applicants: SHIN-ETSU CHEMICAL CO., LTD., TOHOKU UNIVERSITYInventors: Shigeki YASUDA, Tsuneo KIMURA, Munenao HIROKAMI, Masaki TANAKA, Naoki TANAKA
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Patent number: 11774268Abstract: A control apparatus includes: a data acquisition part that acquires correction data indicating a content regarding a correction process which corrects an error of an angle at which a rotation angle sensor that measures a rotation angle of a rotor included in an electric motor is attached; a determination part that determines, based on the correction data, whether or not the correction process has been performed; and a control method determination part that determines, in a case where it is determined that the correction process has not been performed, that an inverter which supplies an AC current to the electric motor is controlled under a pulse-width modulation control.Type: GrantFiled: September 21, 2020Date of Patent: October 3, 2023Assignee: HONDA MOTOR CO., LTD.Inventor: Masaki Tanaka
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Patent number: 11674459Abstract: A control apparatus includes: a data acquisition part that is configured to acquire torque data indicating a drive torque of an electric motor, rotation number data indicating a rotation number of the electric motor, and DC voltage data indicating a DC voltage supplied to an inverter which supplies an AC current to the electric motor; a determination basis derivation part that is configured to derive a determination basis based on a drive efficiency of the electric motor by using the torque data, the rotation number data, and the DC voltage data; and a control method determination part that is configured to determine, based on the determination basis, which one of a one-pulse control and a pulse-width modulation control is employed as a control method of the inverter.Type: GrantFiled: September 21, 2020Date of Patent: June 13, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Masaki Tanaka, Yoichi Yamashiro
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Publication number: 20230168624Abstract: An image forming apparatus includes an image bearing member, a frame member including a support surface and made of metal, an exposure unit disposed such that an emission direction in which the light is emitted to the image bearing member is inclined with respect to the support surface, a support member made of metal and configured to support the exposure unit that is in an inclined posture with respect to the support surface, and a positioning member made of resin and configured to be in contact with the exposure unit and position the exposure unit. The support surface of the frame member is in contact with at least one of the support member or the positioning member, and wherein the exposure unit is configured to be attached to the frame member via the support member and the positioning member.Type: ApplicationFiled: November 9, 2022Publication date: June 1, 2023Inventors: Kei Hayashida, Kohei Koguchi, Masaki Tanaka
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Publication number: 20220403097Abstract: The present invention provides nanometer-sized fibers that are produced by an electrospinning method with use of a spinning solution for electrospinning, said spinning solution being environmentally friendly and taking the effects of an organic solvent on the human body into consideration.Type: ApplicationFiled: November 6, 2020Publication date: December 22, 2022Applicants: SHIN-ETSU CHEMICAL CO., LTD., DAINICHISEIKA COLOR&CHEMICALS MFG.CO.,LTD., SHINSHU UNIVERSITYInventors: Daisuke NODA, Shinji IRIFUNE, Masaki TANAKA, Hiromasa SATO, Motoaki UMEZU, Toshihisa TANAKA, Keishiro ONO, Kaisuke NISHIBU
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Publication number: 20220309847Abstract: Provided is a failure determination device including: a storage medium that stores a command capable of being read by a computer; and a processor connected to the storage medium, wherein the processor executes the command capable of being read by the computer, to thereby acquire rotation angle data indicating a rotation angle of a rotor, voltage phase data indicating a phase of a voltage applied to a rotating electrical machine, angular velocity data indicating an angular velocity of the rotor, direct-current voltage data indicating a direct-current voltage supplied to an inverter that supplies electric power to the rotating electrical machine, and current data indicating a current supplied to the rotating electrical machine, generate current expectation value data indicating an expectation value of the current supplied to the rotating electrical machine using the rotation angle data, the voltage phase data, the angular velocity data, and the direct-current voltage data, and determine, in a case where the invType: ApplicationFiled: March 1, 2022Publication date: September 29, 2022Inventor: Masaki Tanaka
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Publication number: 20220306078Abstract: A control device executes: controlling a voltage in a d-axis direction and a voltage in a q-axis direction applied to a rotating electric machine driven by an electric power supplied from an inverter, to which a magnetic pole position detector for detecting a magnetic pole position of the rotor is attached, and which includes a stator for generating a magnetic field using a winding; acquiring q-axis current data indicating a component in the q-axis direction of a current flowing through the rotating electric machine when a component in the d-axis direction of the voltage applied to the rotating electric machine is equal to or less than a predetermined voltage; and determining, based on the q-axis current data, a correction amount of the magnetic pole position satisfying a condition that a current indicated by the q-axis current data is equal to or less than a predetermined current and correcting the magnetic pole position based on the correction amount.Type: ApplicationFiled: March 1, 2022Publication date: September 29, 2022Inventor: Masaki Tanaka
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Publication number: 20220169836Abstract: A rubber composition which contains (A) an organosilicon compound represented by formula (1) and gives a cured object satisfying desired fuel (or power)-saving tire properties. (R1 represents an alkyl or aryl group, R2 represents an alkyl or aryl group, e, f, and g each indicate a number larger than 0 and satisfy g/(e+f+g)<0.05, and m is an integer of 1-3.Type: ApplicationFiled: January 23, 2020Publication date: June 2, 2022Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Munenao HIROKAMI, Tsuneo KIMURA, Masahiko MINEMURA, Tsutomu NAKAMURA, Masaki TANAKA, Satoru UNO, Masashi YANO
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Publication number: 20220169779Abstract: A material for medical use, which contains nanofibers that are formed from a resin containing a silicone-modified polyurethane resin, and which is characterized in that: the silicone-modified polyurethane resin is a reaction product of (A) a long-chain polyol that has a number average molecular weight of 500 or more, (B) a short-chain polyol that has a number average molecular weight of less than 500, (C) an active hydrogen group-containing organopolysiloxane and (D) a polyisocyanate; and the average fiber diameter thereof is less than 2,000 nm. This material for medical use exhibits excellent performance in a biological test.Type: ApplicationFiled: February 18, 2020Publication date: June 2, 2022Applicants: SHIN-ETSU CHEMICAL CO., LTD., DAINICHISEIKA COLOR&CHEMICALS MFG. CO., LTD., SHINSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Daisuke NODA, Shinji IRIFUNE, Masaki TANAKA, Hiromasa SATO, Motoaki UMEZU, Shota IINO, Toshihisa TANAKA, Chuan Yin
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Patent number: 11349428Abstract: A control apparatus controls an inverter which outputs electric power to an electric motor. The control apparatus determines which one of a one-pulse control and a pulse-width modulation control is employed as a control method of the inverter in accordance with a predetermined condition based on an electric motor drive torque of the electric motor, a rotation number of the electric motor, and a DC voltage of the electric motor.Type: GrantFiled: September 21, 2020Date of Patent: May 31, 2022Assignee: HONDA MOTOR CO., LTD.Inventor: Masaki Tanaka
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Patent number: 11325478Abstract: A control apparatus controls an inverter which outputs electric power to an electric motor. The control apparatus calculates a magnitude of a drive current at a one-pulse control time based on an electric motor drive torque, a rotation number of the electric motor, and a DC voltage of the electric motor and thereby determines which one of a one-pulse control and a pulse-width modulation control is employed as a control method of the inverter.Type: GrantFiled: September 23, 2020Date of Patent: May 10, 2022Assignee: HONDA MOTOR CO., LTD.Inventor: Masaki Tanaka
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Patent number: 11281147Abstract: A driving device for photosensitive members and developing rollers includes a clutch for selectively transmitting a rotational force from a driving source to the rollers. The clutch includes a rotatable driving member having a first engaging portion together with the first portion, a follower having a second engaging portion engageable with the first portion, and a rotatable member changeable, by rotation in a direction opposite from a rotational direction of the driving member, from a first state in which the driving force from the driving source is not transmitted without engagement between the first portion and the second engaging portion to a second state in which the rotor rotates by engagement therebetween. The rotor urges the follower in the opposite direction when the first engageable member and the second engageable member are not engaged with each other, by the opposite rotation.Type: GrantFiled: August 7, 2020Date of Patent: March 22, 2022Assignee: Canon Kabushiki KaishaInventors: Masaki Tanaka, Noritomo Yamaguchi
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Patent number: 11223153Abstract: A housing includes a terminal accommodating chamber and a lance. The lance includes a locking portion configured to lock the abutting edge of the terminal, a clearance portion, and a boundary portion between the locking portion and the escape portion. The locking portion is provided on one side of the boundary portion toward which the lance deflects in the first direction, and the clearance portion being provided on another side of the boundary portion toward which the lance returns in the second direction. An edge of the locking portion on a side opposite to the boundary portion and an edge of the clearance portion on a side opposite to the boundary portion are disposed away from the boundary portion toward the rear side of the housing from which the terminal is inserted.Type: GrantFiled: February 27, 2020Date of Patent: January 11, 2022Assignee: YAZAKI CORPORATIONInventors: Tomoyuki Miyakawa, Masaki Tanaka
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Patent number: 11214920Abstract: The present invention relates to a fiber treatment agent for electron beam fixing that contains an acrylic-modified organopolysiloxane (A) having two or more acrylic groups per molecule, as represented by the following general formula (I). MaMAbDcDAdTe??(I) (in the general formula (I), M=R1R2R3SiO1/2, MA=R4R5R6SiO1/2, D=R7R8SiO2/2, DA=R9R10SiO2/2, T=R11SiO3/2, R1 to R11 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a phenyl group, R4 and R9 each independently represent a monovalent hydrocarbon group represented by the following general formula (II), a, to d each independently are 0 or a positive integer, e is an integer of 0 to 3, c+d is an integer of 10 to 1000, b+d is an integer of at least 2, and a+b is an integer equal to e+2.) (in the general formula (II), n is an integer of 1 to 3).Type: GrantFiled: March 16, 2018Date of Patent: January 4, 2022Assignees: Shin-Etsu Chemical Co., Ltd., Kurashiki Boseki Kabushiki KaishaInventors: Shinji Irifune, Tomoya Kanai, Masaki Tanaka, Minoru Sugiyama, Kunihiro Ohshima
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Patent number: 11174335Abstract: Disclosed herein is a fiber formed from a resin including a silicone-modified polyurethane resin comprising the reaction products of a polyol (A), a chain extender (B), an active-hydrogen-group-containing organopolysiloxane (C), and a polyisocyanate (D), wherein the active-hydrogen-group-containing organopolysiloxane (C) contains an active-hydrogen-group-containing organopolysiloxane (C-1) having a carbinol group at only one terminal.Type: GrantFiled: March 31, 2017Date of Patent: November 16, 2021Assignees: SHIN-ETSU CHEMICAL CO., LTD., DAINCHISEIK COLOR & CHEMICALS MFG. CO., LTD., SHINSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Hatsuhiko Hattori, Masaki Tanaka, Hiromasa Sato, Shota Iino, Motoaki Umezu, Toshihisa Tanaka, Mikihisa Kondo
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Patent number: 11143999Abstract: An image-forming apparatus for forming an image on a sheet includes an image-forming unit that forms the image on the sheet, and a conveying unit that conveys the sheet on which the image is formed by the image-forming unit. The conveying unit includes a pair of first rollers that discharges the sheet to the outside of the image-forming apparatus and a pair of second rollers that conveys the sheet in a direction in which the sheet is discharged to the outside of the image-forming apparatus and that subsequently switches a conveyance direction of the sheet to an opposite direction to convey the sheet again to the image-forming unit. The pair of the first rollers and the pair of the second rollers partially overlap when viewed in a width direction of the sheet that is perpendicular to the conveyance direction of the sheet.Type: GrantFiled: August 1, 2019Date of Patent: October 12, 2021Assignee: Canon Kabushiki KaishaInventors: Junya Akatsuka, Masaki Tanaka