Patents by Inventor Ryota Takahashi

Ryota Takahashi 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: 11997920
    Abstract: An organic electroluminescence device includes: an anode; a cathode; a first emitting unit including a first emitting layer and a first hole transporting zone; a first charge generating layer; and a second emitting unit including a second emitting layer, in which the first emitting unit, the first charge generating layer, and the second emitting unit are provided between the anode and the cathode in this order from the anode, the first hole transporting zone is provided between the anode and the first emitting layer, the first emitting layer contains a compound represented by a formula (1) below, and a thickness d1 of the first hole transporting zone is 60 nm or less. In the formula (1): at least one of R1 to R8 is -L13-Ar13; L11 to L13 are each independently a single bond, an arylene group or the like; and R1 to R8 not being -L13-Ar13 are each independently a hydrogen atom or the like.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: May 28, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masato Nakamura, Taro Yamaki, Ryota Takahashi
  • Patent number: 11988720
    Abstract: A semiconductor device that detects deterioration of a secondary battery is provided. The semiconductor device includes a power gauge, an anomalous current detection circuit, and a control circuit. The power gauge includes a current divider circuit and an integrator circuit. The anomalous current detection circuit includes a first memory, a second memory, and a first comparator. The integrator circuit can convert a detection current detected at the current divider circuit into a detection voltage by integrating the detection current. The anomalous current detection circuit is supplied with the detection voltage, a first signal at a first time, and a second signal at a second time. The first signal can make the detection voltage at the first time be stored in the first memory and the second signal can make the detection voltage at the second time be stored in the second memory.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 21, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kei Takahashi, Takayuki Ikeda, Ryota Tajima, Mayumi Mikami, Yohei Momma, Munehiro Kozuma, Takanori Matsuzaki
  • Publication number: 20240163847
    Abstract: To provide a communication device and the like that suppress deterioration in accuracy of wireless communication while partially omitting initial processing of wireless communication connection between a wireless communication terminal and a base station. A communication device according to one aspect of the present disclosure includes a determination unit and a wireless communication unit. The determination unit determines, upon receiving wireless communication from a communication counterpart with which wireless communication connection is not established, to perform wireless communication on a first channel for transmitting data with the communication counterpart. The wireless communication unit transmits wireless communication on the first channel to the communication counterpart when it is determined to perform wireless communication on the first channel.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 16, 2024
    Inventors: HIROKI MATSUDA, MITSUKI TAKAHASHI, RYOTA KIMURA, YUKITOSHI SANADA
  • Publication number: 20240158192
    Abstract: A recording apparatus includes a feed roller, a conveyance roller, a recording unit, a reverse path, and a control unit. The conveyance roller conveys a sheet fed by the feed roller. The recording unit performs recording on the conveyed sheet. The reverse path reverses, in the reverse path, a traveling direction of the sheet on which the recording is performed. The control unit performs control so that a leading edge of a second sheet overlaps a first sheet on which recording is being performed by the recording unit. Recording on the second sheet is to be performed by the recording unit following the recording on the first sheet. The control unit performs control to reverse the traveling direction of the first sheet and the traveling direction of the second sheet in the reverse path while maintaining an overlapping state of the first sheet and the second sheet.
    Type: Application
    Filed: November 10, 2023
    Publication date: May 16, 2024
    Inventors: SHO TAKAHASHI, MASASHI ITO, MOTOYUKI TAGUCHI, KEISUKE ARITA, KENTO TAMARI, RYOTA KOMATSU
  • Patent number: 11973180
    Abstract: A battery capable of changing its form safely is provided. A bendable battery having a larger thickness is provided. A battery with increased capacity is provided. For an exterior body of the battery, a film in the shape of a periodic wave in one direction is used. A space is provided in an area surrounded by the exterior body and between an end portion of the electrode stack that is not fixed and an interior wall of the exterior body. Furthermore, the phases of waves of a pair of portions of the exterior body between which the electrode stack is located are different from each other. In particular, the phases are different from each other by 180 degrees so that wave crest lines overlap with each other and wave trough lines overlap with each other.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: April 30, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Minoru Takahashi, Ryota Tajima
  • Patent number: 11968971
    Abstract: A light source device for trapping indoor adult Phycitinae, which is an adult moth belonging to subfamily Phycitinae, is configured to: emit an attracting light at a predetermined photon flux density; and form a guide path by the attracting light to guide the adult Phycitinae to a vicinity of an emission end of the attracting light in a region having a photon flux density lower than the predetermined photon flux density on a side lower than a height of the emission end of the attracting light.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: April 30, 2024
    Assignee: JAPAN TOBACCO INC.
    Inventors: Hirohide Iwamoto, Toshihiro Imai, Ryota Takahashi
  • Patent number: 11968970
    Abstract: According to an aspect of the invention, a method for trapping indoor adult Phycitinae, which is an adult moth belonging to Phycitinae subfamily includes: emitting attracting light at a predetermined photon flux density for a predetermined period of time or longer; forming a guide path to guide the adult Phycitinae to a vicinity of an emission end of the attracting light in a region having a photon flux density lower than the predetermined photon flux density on a side lower than a height of the emission end; and trapping the adult Phycitinae attracted by the attracting light in the guide path.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: April 30, 2024
    Assignee: JAPAN TOBACCO INC.
    Inventors: Hirohide Iwamoto, Toshihiro Imai, Ryota Takahashi
  • Patent number: 11967867
    Abstract: A rotating electric machine includes: a field element that includes a magnet portion that includes a plurality of magnetic poles; an armature that includes an armature winding of multiple phases; and a power converter that is electrically connected to the armature winding. The rotating electric machine also includes: a plurality of electrical components that configure the power converter; and a housing member that includes a cylindrical portion that is provided on a radially inner side of a magnetic circuit portion that includes the magnet portion and the armature winding, and to which the plurality of electrical components are disposed. The cylindrical portion is provided with a coolant passage through which a coolant flows. The plurality of electrical components are arranged in the housing member on a radially inner side of the cylindrical portion, in a circumferential direction along the cylindrical portion.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: April 23, 2024
    Assignee: DENSO CORPORATION
    Inventors: Tomohisa Sano, Yuki Takahashi, Ryota Tanabe, Yuta Hashimoto, Wataru Funatsu, Norihiro Hayashi
  • Publication number: 20240117228
    Abstract: A welding film includes a phenoxy resin, in which a z average molecular weight of the phenoxy resin is 70,000 or more, and a ratio [Mz/Mn] between the z average molecular weight and a number average molecular weight of the phenoxy resin is 5.0 or more.
    Type: Application
    Filed: February 4, 2022
    Publication date: April 11, 2024
    Applicant: Resonac Corporation
    Inventors: Ryota NIIBAYASHI, Nobuyuki TAKAHASHI, Hayato SAITO, Kunihiro KUROKI
  • Patent number: 11950498
    Abstract: This compound is represented by formula (1)
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: April 2, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Keita Seda, Yuki Nakano
  • Patent number: 11949061
    Abstract: A secondary battery, suitable for a portable information terminal or a wearable device is provided. An electronic device having a novel structure which can have various forms and a secondary battery that fits the forms of the electronic device are provided. In the secondary battery, sealing is performed using a film provided with depressions or projections that ease stress on the film due to application of external force. A pattern of depressions or projections is formed on the film by pressing, e.g., embossing.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: April 2, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Minoru Takahashi, Ryota Tajima
  • Publication number: 20240100961
    Abstract: This disclosure relates to a driving force adjusting device including a pair of electric motors (1) that drives left and right wheels (5) of a vehicle, a differential mechanism (3) that provides the left and right wheels (5) with a torque difference, and left and right drive shafts (4) that transmits driving force from the differential mechanism and to the left and right wheels (5), the driving force adjusting device having four elements and two degree of freedom. In this driving force adjusting device, inertia moments (JML,JMR) on paths from the pair of electric motors (1) to the left and right wheels (5) are set to values such that a resonance frequency (f) of the driving force adjusting device when the vehicle is turning comes to be larger than a yaw resonance frequency (fyaw) of the vehicle.
    Type: Application
    Filed: September 27, 2021
    Publication date: March 28, 2024
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Yutaro OKAMURA, Ryota TAKAHASHI, Naoki TAKAHASHI
  • Publication number: 20240092130
    Abstract: A front suspension device comprises a suspension arm, one end of which has a front-wheel support portion to support a front wheel of a vehicle and the other end of which is positioned on an inward side, in a vehicle width direction, of the front-wheel support portion and has a vehicle-body attachment portion to be attached to a vehicle-body member of the vehicle and a damper supported at a damper support portion which is provided at a portion of the suspension arm which is positioned in the vicinity of the front-wheel support portion at a lower portion thereof and connected to the vehicle-body member at an upper portion thereof. The damper support portion of the suspension arm has a breakage ease portion to cause breakage of the suspension arm.
    Type: Application
    Filed: February 23, 2023
    Publication date: March 21, 2024
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Shohei YOSHIDA, Koshi TAKAHASHI, Hiroyuki TAKAHASHI, Kota OKANO, Yosuke SAWADA, Hiromasa HONJI, Kosuke MUKAIGAWA, Ichiro TANABE, Ryota HANATE
  • Publication number: 20240088740
    Abstract: A rotary electric machine includes a rotor including a shaft, a stator disposed around the rotor, a housing configured to house the stator, a first annular member disposed on the stator and having first recesses disposed in a circumferential direction, a second annular member disposed on the housing and having second recesses disposed in the circumferential direction, and balls interposed between the first annular member and the second annular member. Each ball is disposed in both of each of the first recesses and each of the second recesses. The first annular member, the second annular member, and the balls constitute a coupling mechanism configured to couple the housing and the stator to each other. A backlash in a radial direction in the coupling mechanism is narrower than a backlash in the circumferential direction in the coupling mechanism and narrower than a backlash in an axial direction in the coupling mechanism.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 14, 2024
    Inventor: Ryota TAKAHASHI
  • Publication number: 20240090329
    Abstract: A compound includes: at least one group represented by a formula (11) below; and a single benz[de]anthracene derivative skeleton represented by a formula (1000) below in a molecule, in which Ar1 is a substituted or unsubstituted aryl group including at least four rings, at least one of R10 to R19 is a group represented by the formula (11), L1 is a substituted or unsubstituted arylene group having 6 to 15 ring carbon atoms or a substituted or unsubstituted divalent heterocyclic group having 5 to 15 ring atoms, and mx is 1, 2, or 3.
    Type: Application
    Filed: October 1, 2021
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hiroaki ITOI, Yuki NAKANO, Taro YAMAKI, Maiko IIDA, Takamoto MORITA, Shintaro BAN, Ryota TAKAHASHI, Yu KUDO, Yoshinao SHIRASAKI
  • Publication number: 20240087795
    Abstract: A coil component includes a drum core including a winding core portion and first and second flange portions, and first and second wires. A portion of the first wire that first comes into contact with an outer peripheral surface of the winding core portion when the first wire is traced from a first wire end to a second wire end is defined as a 1.0 turn portion of the first wire. A portion of the second wire where an angular position thereof about a central axis first coincides with an angular position of the 1.0 turn portion of the first wire, on a side of a second negative direction with respect to the central axis, when the second wire is traced from a first wire end to a second wire end is defined as a 1.0 turn portion of the second wire.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 14, 2024
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Hayato TAKAHASHI, Yuki KANBE, Kaori TAKEZAWA, Tetsuya TANIMOTO, Ryota HASHIMOTO
  • Patent number: 11848755
    Abstract: An anomaly detection device is located between a network and a first ECU in the plurality of ECUs, and includes: a communication circuit; a processor; and a memory including a set of instructions that, when executed, causes the processor to perform operations including: receiving a message from the first ECU and transmitting the message to the network, and receiving a message from the network and transmitting the message to the first ECU, using the communication circuit; holding, in the memory, a received ID list; when an ID of the message received by the communication circuit from the network is not included in the received ID list, adding the ID to the received ID list; and when an ID of the message received by the communication circuit from the first ECU is included in the received ID list, causing the communication circuit not to transmit the message to the network.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: December 19, 2023
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Ryota Takahashi, Takamitsu Sasaki
  • Patent number: 11839153
    Abstract: A compound represented by formula (1) as defined, wherein in any one pair selected from R4 and R5, R5 and R6, and R6 and R7, one member represents a single bond bonded to *a of a group represented by the formula (11), and the other member represents a single bond bonded to *b, in any one pair selected from R1 and R2, R2 and R3, R8 and R9, R9 and R10, and R10 and R11, one member represents a single bond bonded to *a of a group represented by the formula (11) and the other member represents a single bond bonded to *b, or one member represents a single bond bonded to *c of a group represented by the formula (21), and the other member represents a single bond bonded to *d, and R1 to R11 except for the single bonds, Ar, and R21 to R24 are defined.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 5, 2023
    Assignee: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota Takahashi, Hidetsugu Ikeda, Yuki Nakano
  • Patent number: 11807108
    Abstract: A vehicle control device that calculates a vehicle body velocity of a vehicle is disclosed. Sensors (18, 19) that obtain respective wheel velocities of left and right wheels (5) arranged along the vehicle width direction are provided. A calculator (11) that calculates, when the left and right wheels (5) are not slipping, an average value (A) of the wheel velocities as the vehicle body, and calculates, when at least one of the left and right wheels (5) is slipping, the vehicle body velocity on the basis of the average value (A) and a lower velocity value (B) between the wheel velocities is provided. With this configuration, the precision in calculating the vehicle body velocity is enhanced, suppressing a cost rise.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: November 7, 2023
    Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Wataru Tanooka, Yutaro Okamura, Ryota Takahashi, Naoki Takahashi
  • Patent number: D1016753
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: March 5, 2024
    Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED
    Inventors: Takeshi Takahashi, Ryota Mizutani