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).

  • Patent number: 11400366
    Abstract: A controller includes: a frame having an annular shape, defining an annular axis extending in an extension direction and a central axis, about which the annular axis extends; a first operating member that is located on the frame; and a second operating member that is located on the frame. The frame includes an interior space defining a circular space when viewed along the central axis, the first operating member is disposed on the frame on one side of central axis, and the second operating member is disposed on the frame on an opposite side of the central axis.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: August 2, 2022
    Assignee: Sony Interactive Entertainment Inc.
    Inventors: Tetsunori Nakayama, Akichika Tanaka, Masaki Hanzawa, Yujin Morisawa, Alexis Andre
  • Patent number: 11401695
    Abstract: Provided is a work machine capable of notifying that maintenance is necessary due to continuation of clogging in a cooling device or decrease in cooling performance. A wheel loader 1 including a radiator 31 and an oil cooler 32 comprises a controller 5, 5A configured to determine a clogging continuation state of the radiator 31 or the oil cooler 32. The controller 5, 5A determines whether clogging is occurring in the radiator 31 or the oil cooler 32 based on outside air temperature AW and cooling water temperature CW or hydraulic oil temperature HW, determines whether the clogging continues based on a clogging occurrence ratio R1, R2 while an engine 30 is operating, and outputs a notification command signal for providing the alarm buzzer 61 and the user management system 62 with a command to notify that maintenance is necessary when it is determined that the clogging continues.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: August 2, 2022
    Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Koji Hyodo, Masaki Yoshikawa, Kazuyuki Ito, Tetsuji Tanaka, Kouji Shimazaki, Isamu Aoki
  • Patent number: 11391017
    Abstract: A wheel loader is provided that can suppress abrupt change in vehicle speed accompanied by erroneous determination on a lift arm lifting operation. A wheel loader includes: an engine; an HST pump; an HST motor; a forward and reverse switch; a stepping amount sensor; an operation amount sensor; and a controller. The controller determines whether a specific condition for specifying an operation of the lift arm in an upper direction during forward travel of the vehicle body, on the basis of a forward and reverse switching signal, the stepping amount, and a pilot pressure pertaining to the lifting operation for the lift arm. In a case of the specific condition being satisfied, the vehicle speed is limited by controlling the displacement volume of the HST motor in conformity with increase in the pilot pressure.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: July 19, 2022
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Koji Hyodo, Isamu Aoki, Tetsuji Tanaka, Masaki Nukii
  • Publication number: 20220219583
    Abstract: A seatback and/or a seat cushion has left and right side frames arranged spaced apart in a left-right direction, and wire laid between the left and right side frames. The wire extends substantially in parallel to the side frames. A pad is placed on the side frames and the wire. The pad includes a first pad layer on the side of a seating surface, and a second pad layer on a side of the pad opposite to the seating surface. The second pad layer is harder than the first pad layer. The second lad layer is supported while being in contact with the side frames and the wire.
    Type: Application
    Filed: June 5, 2020
    Publication date: July 14, 2022
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Masaki HAYASHI, Satoshi TANAKA, Takuya KITANO, Shotaro MINAMIYAMA, Jun MIYAKE
  • Patent number: 11384334
    Abstract: Provided are: a polymer gel for a medium, and a medium in which the stiffness of the polymer gel can be easily and reversibly changed and the shape of cells can be controlled according to the stiffness of the gel; and a method for culturing cells using the medium. The polymer gel for a medium contains a solvent and a crosslinked structure that is crosslinked by reversible bonds. The stiffness of the polymer gel for a medium can be easily and reversibly changed. Accordingly, when the polymer gel for a medium according to the present invention is used, cell morphology and function can be reversibly controlled according to the stiffness of the gel.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: July 12, 2022
    Assignees: Osaka University, Kyoto University
    Inventors: Akira Harada, Yoshinori Takashima, Masaki Nakahata, Motomu Tanaka, Marcel Hoerning
  • Publication number: 20220212933
    Abstract: To provide a sodium transition metal polyanion suitable as a cathode active material of a sodium secondary battery, and a simple method for producing it. A sodium transition metal polyanion, which has a purity of 90 mass % or higher, has a crystallite size of 90 ? or longer and 400 ? or shorter, and is represented by the formula Na3-xMPO4CO3 (M is at least one member selected from the group consisting of Fe, Mn, Ni and Co, and 0?x?2).
    Type: Application
    Filed: May 27, 2020
    Publication date: July 7, 2022
    Applicants: SAGAMI CHEMICAL RESEARCH INSTITUTE, TOSOH CORPORATION
    Inventors: Masaki OKADA, Kennichi TAKAHASHI, Ryoji TANAKA
  • Patent number: 11378633
    Abstract: A radio frequency amplifying device according to an embodiment includes amplifying circuitry, obtaining circuitry, and correcting circuitry. The amplifying circuitry is configured to output an amplified signal obtained by amplifying a signal input thereto. The obtaining circuitry is configured to obtain an envelope indicating a waveform of a radio frequency signal as digital data. The correcting circuitry is configured to correct the obtained envelope on the basis of a rising characteristic of the amplifying circuitry and to input the signal generated on the basis of the envelope resulting from the correction to the amplifying circuitry.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: July 5, 2022
    Assignee: Canon Medical Systems Corporation
    Inventors: Hiroaki Murakoshi, Susumu Kawaguchi, Masaki Tanji, Hirofumi Yamaki, Hajime Tanaka
  • Publication number: 20220169836
    Abstract: 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: Application
    Filed: January 23, 2020
    Publication date: June 2, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Munenao HIROKAMI, Tsuneo KIMURA, Masahiko MINEMURA, Tsutomu NAKAMURA, Masaki TANAKA, Satoru UNO, Masashi YANO
  • Publication number: 20220169779
    Abstract: 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: Application
    Filed: February 18, 2020
    Publication date: June 2, 2022
    Applicants: SHIN-ETSU CHEMICAL CO., LTD., DAINICHISEIKA COLOR&CHEMICALS MFG. CO., LTD., SHINSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Daisuke NODA, Shinji IRIFUNE, Masaki TANAKA, Hiromasa SATO, Motoaki UMEZU, Shota IINO, Toshihisa TANAKA, Chuan Yin
  • Patent number: 11349428
    Abstract: 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: Grant
    Filed: September 21, 2020
    Date of Patent: May 31, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Masaki Tanaka
  • Patent number: 11325478
    Abstract: 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: Grant
    Filed: September 23, 2020
    Date of Patent: May 10, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Masaki Tanaka
  • Patent number: 11281147
    Abstract: 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: Grant
    Filed: August 7, 2020
    Date of Patent: March 22, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaki Tanaka, Noritomo Yamaguchi
  • Patent number: 11223153
    Abstract: 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: Grant
    Filed: February 27, 2020
    Date of Patent: January 11, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Tomoyuki Miyakawa, Masaki Tanaka
  • Patent number: 11214920
    Abstract: 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: Grant
    Filed: March 16, 2018
    Date of Patent: January 4, 2022
    Assignees: Shin-Etsu Chemical Co., Ltd., Kurashiki Boseki Kabushiki Kaisha
    Inventors: Shinji Irifune, Tomoya Kanai, Masaki Tanaka, Minoru Sugiyama, Kunihiro Ohshima
  • Patent number: 11174335
    Abstract: 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: Grant
    Filed: March 31, 2017
    Date of Patent: November 16, 2021
    Assignees: SHIN-ETSU CHEMICAL CO., LTD., DAINCHISEIK COLOR & CHEMICALS MFG. CO., LTD., SHINSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Hatsuhiko Hattori, Masaki Tanaka, Hiromasa Sato, Shota Iino, Motoaki Umezu, Toshihisa Tanaka, Mikihisa Kondo
  • Patent number: 11143999
    Abstract: 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: Grant
    Filed: August 1, 2019
    Date of Patent: October 12, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junya Akatsuka, Masaki Tanaka
  • Publication number: 20210202851
    Abstract: An organic light-emitting device containing both a compound represented by the following general formula (1) and a compound represented by the following general formula (2) has a high light emission efficiency. The rings a to c each are a benzene ring that can be optionally condensed, R1 and R2 each represent a substituted or unsubstituted aryl group, etc., four of R31 to R35 each are a substituted or unsubstituted carbazol-9-yl group, but all of these four are not the same, and the remaining one is a hydrogen atom, a cyano group, etc.
    Type: Application
    Filed: August 7, 2019
    Publication date: July 1, 2021
    Inventors: Hajime NAKANOTANI, Takuji HATAKEYAMA, Yasuhiro KONDO, Yasuyuki SASADA, Motoki YANAI, Chin-Yiu CHAN, Masaki TANAKA, Hiroki NODA, Chihaya ADACHI, Yoshitake SUZUKI, Naoto NOTSUKA
  • Patent number: 10966604
    Abstract: A subjective optometry apparatus includes a subjective measurement portion which subjectively measures optical characteristics of an subject eye, an objective measurement portion which objectively measures optical characteristics of the subject eye, a control portion which causes the objective measurement portion to objectively measure the optical characteristics during the measurement by the subjective measurement portion, and a display control portion which performs a control to display an eye diagram representing the subject eye and an imaging position of a target light flux incident on the subject eye. The display control portion performs a control to display the imaging position based on the objectively measured optical characteristics.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: April 6, 2021
    Assignee: NIDEK CO., LTD.
    Inventors: Michihiro Takii, Masaki Tanaka, Masaaki Hanebuchi
  • Publication number: 20210087985
    Abstract: 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: Application
    Filed: September 21, 2020
    Publication date: March 25, 2021
    Inventors: Masaki Tanaka, Yoichi Yamashiro
  • Publication number: 20210091702
    Abstract: 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: Application
    Filed: September 21, 2020
    Publication date: March 25, 2021
    Inventor: Masaki Tanaka