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: 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: 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
  • 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: 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
  • 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: 11797687
    Abstract: An information processing device comprising: a processor; and a memory including at least one set of instructions that, when executed by the processor, causes the processor to perform operations. The operations include: obtaining incident information about an incident of a cyberattack that occurred in a vehicle; obtaining second vehicle information about a state of a second vehicle via communication with the second vehicle; determining a risk level of a vehicle function of the second vehicle based on a degree of matching between the incident information and the second vehicle information; generating a function restriction command for restricting a vehicle function of a first vehicle corresponding to the vehicle function of the second vehicle, when the risk level is higher than a first criterion, the vehicle function of the first vehicle being one among one or more vehicle functions of the first vehicle; and outputting the function restriction command.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: October 24, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Takamitsu Sasaki, Ryota Takahashi
  • Patent number: 11790088
    Abstract: An information processing device includes: a processor; and a memory including at least one set of instructions that, when executed by the processor, causes the processor to perform operations. The operations include: obtaining incident information about an incident of a cyberattack that occurred in a vehicle; obtaining first vehicle information about a state of a first vehicle; storing, in the memory, the incident information and the first vehicle information; determining a risk level of a vehicle function of the first vehicle, based on a degree of matching between the incident information and the first vehicle information stored in the memory, the vehicle function of the first vehicle being one among one or more vehicle functions of the first vehicle; generating a function restriction command for restricting the vehicle function, when the risk level is higher than a first criterion; and outputting the function restriction command.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: October 17, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Takamitsu Sasaki, Ryota Takahashi
  • Publication number: 20230322089
    Abstract: A control device (10) for a vehicle (1) equipped with two electric motors (2) includes: a first calculation unit (11) that calculates a required torque value of each of left and right axles (4L, 4R); a second calculation unit (12) that calculates an equivalent moment of inertia of each of the left and right axles (4L, 4R); a third calculation unit (13) that calculates an estimated angular acceleration of each of left and right wheels (5) based on the two required torque values calculated by the first calculation unit (11) and the two equivalent moments of inertia calculated by the second calculation unit (12); and a determination unit (14) that compares actual angular accelerations of the left and right wheels (5) with the estimated angular accelerations calculated by the third calculation unit (13) to perform off-ground determination for each of the left and right wheels (5).
    Type: Application
    Filed: September 24, 2021
    Publication date: October 12, 2023
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Yutaro OKAMURA, Wataru TANOOKA, Ryota TAKAHASHI, Naoki TAKAHASHI
  • Publication number: 20230321974
    Abstract: A liquid discharge apparatus includes a liquid discharge head, a supply path that supplies a liquid from a liquid supply source to the liquid discharge head, a pump configured to suck and exhaust air, an air suction path in communication with an air suction side of the pump, an air exhaust path in communication with an air exhaust side of the pump, a first storage portion having a portion formed of a flexible wall that is flexible, a first air chamber provided on a side opposite to the first storage portion across the flexible wall and having at least a portion facing the flexible wall and configured to be displaced, and a first switching portion configured to switch a path coupled to the first air chamber between the air suction path and the air exhaust path.
    Type: Application
    Filed: March 21, 2023
    Publication date: October 12, 2023
    Inventors: Akira SHINOTO, Ken INOUE, Ryota TAKAHASHI
  • Publication number: 20230309845
    Abstract: A toilet system includes: a toilet seat having a seat surface on which a user is to sit; a sensor provided in or on the toilet seat, configured to measure a physical quantity which reflects blood flow conditions of the user; a health index calculator configured to calculate a health index of the user based on measurement results of the sensor; a health index output part configured to output the health index of the user which has been calculated by the health index calculator; a temperature determining part configured to determine whether a temperature state of the seat surface satisfies a predetermined condition or not, and an operation change instruction part configured to change an operation of the health index calculator and/or an operation of the health index output part when the temperature determining part determines that the temperature state of the seat surface satisfies the predetermined condition.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 5, 2023
    Inventors: Kenta SUZUKI, Tetsuya UCHIDA, Teruyuki KAMORI, Ryota TAKAHASHI, Kaori NISHIJIMA, Minoru SATO, Yo MOROTOMI, Kota YAMASAKI, Takashi MATSUURA
  • Publication number: 20230309764
    Abstract: A toilet system includes: a toilet seat; a sensor configured to measure a physical quantity which reflects blood flow conditions of a user; a health index calculator configured to calculate a plurality of health indices based on measurement results of the sensor; a health index output part configured to output the plurality of health indices which has been calculated; a timer configured to measure a seating time; and a controller configured to control an output manner of the health index output part based on measurement results of the timer. When the seating time is not shorter than a first required time but shorter than a second required time, the first health index is outputted, but the second health index is stopped to be outputted. When the seating time is not shorter than the second required time, both the first health index and the second health index are outputted.
    Type: Application
    Filed: March 31, 2023
    Publication date: October 5, 2023
    Inventors: Kenta SUZUKI, Tetsuya UCHIDA, Teruyuki KAMORI, Ryota TAKAHASHI, Kaori NISHIJIMA, Minoru SATO
  • Publication number: 20230309380
    Abstract: A compound represented by the following formula (1).
    Type: Application
    Filed: September 30, 2022
    Publication date: September 28, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Sayaka MIZUTANI, Masato MITANI, Ryota TAKAHASHI, Masatoshi SAITO
  • Patent number: 11723272
    Abstract: An organic electroluminescence device includes: an anode; an emitting layer; and a cathode. The emitting layer contains a first compound and a second compound, the first compound being a delayed fluorescent compound, the second compound being a compound represented by a formula (2).
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: August 8, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kei Yoshizaki, Ryota Takahashi, Toshinari Ogiwara, Yuichiro Kawamura
  • Publication number: 20230209996
    Abstract: An organic electroluminescence device including a cathode, an anode, and one or two or more organic layers arranged between the cathode and the anode, wherein at least one layer of the one or two or more organic layers includes a first component and a second component, the first component is a compound represented by the following formula (1), the second component is selected from the group consisting of an alkali metal, an alkali metal compound, an alkaline earth metal, an alkaline earth metal compound, a rare earth metal, a rare earth metal compound, an organic metal complex containing an alkali metal, an organic metal complex containing an alkaline earth metal, and an organic metal complex containing a rare earth metal.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 29, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yoshinori AOYAMA, Hiroshi TOKAIRIN, Sayaka MIZUTANI, Ryota TAKAHASHI, Masato MITANI
  • Publication number: 20230209998
    Abstract: An organic electroluminescence device including a cathode, an anode, and one or two or more organic layers arranged between the cathode and the anode, wherein at least one layer of the one or two or more organic layers includes a first component and a second component, the first component is a compound represented by the following formula (1), and the second component is a compound represented by the following formula (2).
    Type: Application
    Filed: December 14, 2022
    Publication date: June 29, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota TAKAHASHI, Yoshinori AOYAMA, Sayaka MIZUTANI, Masato MITANI, Tomonori NAKAMURA