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: 11489123
    Abstract: Disclosed herein are compounds capable of producing organic electroluminescence (EL) devices having excellent properties, organic EL devices comprising the compounds, and electronic devices comprising the organic EL devices. The compounds of this disclosure are represented by formula (1) below, where A, B, C, and R1 to R11 are defined herein.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: November 1, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Tomoki Kato, Hidetsugu Ikeda
  • Publication number: 20220278283
    Abstract: The compound represented by formula (1): wherein A, B, R1, and R2 are as defined in the description, provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.
    Type: Application
    Filed: April 29, 2022
    Publication date: September 1, 2022
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota TAKAHASHI, Tomoki KATO, Hirokatsu ITO, Masahiro KAWAMURA, Masakazu FUNAHASHI, Hiroyuki SAITO, Yuichiro KAWAMURA, Yoshiaki TAKAHASHI, Tetsuya MASUDA, Hitoshi KUMA
  • Publication number: 20220255018
    Abstract: A compound represented by the following formula (A1) (wherein one or more among R1 to R7, R10 to R16, R21, and R22 are deuterium atoms or groups which possess deuterium atoms):
    Type: Application
    Filed: June 11, 2020
    Publication date: August 11, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota TAKAHASHI, Yuki NAKANO, Kazuma MASE
  • Patent number: 11342512
    Abstract: A compound represented by the following formula (1), wherein one or more pairs among R12 and R13, R13 and R14, R14 and R15, R16 and R17, R17 and R18, and R18 and R19 independently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of R12 to R28 is bonded with L2.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 24, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yuki Nakano, Ryota Takahashi, Keita Seda, Tomoki Kato, Hidetsugu Ikeda, Thomas Schaefer, Peter Murer, Carsten Rothe
  • Patent number: 11339686
    Abstract: The present invention comprises: a cylindrical pipe (314) that has a cylindrical shape about an axis (O) extending in the horizontal direction and has a space internally extending in the direction of the axis (O); steam inlets (31, 32) which are provided at the bottom of the cylindrical pipe (314) and through which steam is introduced; a steam outlet (33) that is opened from an end of the cylindrical pipe (314) in the axis (O) direction toward the axis (O) direction for exhausting steam from the cylindrical pipe (314); and a moisture separation element (315) that is provided in the cylindrical pipe (314) between the steam inlets (31, 32) and the steam outlet (33) and has a plurality of vanes for separating moisture from steam by passing the steam through the vanes.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: May 24, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Issaku Fujita, Ryota Takahashi, Yasuaki Shimohara, Taichi Nakamura, Tetsuya Tsukamoto
  • Publication number: 20220020925
    Abstract: A compound represented by the following formula (1), wherein one or more pairs among R12 and R13, R13 and R14, R14 and R15, R16 and R17, R17 and R18, and R18 and R19 independently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of R12 to R28 is bonded with L2.
    Type: Application
    Filed: September 7, 2021
    Publication date: January 20, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yuki NAKANO, Ryota TAKAHASHI, Keita SEDA, Tomoki KATO, Hidetsugu IKEDA, Thomas SCHAEFER, Peter MURER, Carsten ROTHE
  • Publication number: 20210395233
    Abstract: A compound having a structure represented by the following formulas (a) and (b): wherein, in the formulas (a) and (b), a ring A, a ring B, a ring C and a ring D are independently a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic ring having 5 to 50 ring atoms; two or more of the ring A, the ring B, the ring C and the ring D are a heterocyclic ring; and each of sites *a, *b, *c and *d in the formula (a) and the formula (b) represents a position of an atom, and the atoms located in the sites *a, *b, *c and *d form one substituted or unsubstituted and saturated or unsaturated six-membered ring including four atoms thereof.
    Type: Application
    Filed: September 26, 2019
    Publication date: December 23, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Yuki NAKANO, Keita SEDA
  • Publication number: 20210384430
    Abstract: An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a compound represented by the following formula (1) and one or more compounds selected from the group consisting of a compound represented by formula (11), a compound represented by formula (21), a compound represented by formula (31), a compound represented by formula (41), a compound represented by formula (51), a compound represented by formula (61), a compound represented by formula (71) and a compound represented by formula (81). In the formula (1), at least one of R1 to R8 is a deuterium atom.
    Type: Application
    Filed: October 3, 2019
    Publication date: December 9, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yuki NAKANO, Taro YAMAKI, Satomi TASAKI, Tomoki KATO, Keita SEDA, Ryota TAKAHASHI
  • Publication number: 20210355085
    Abstract: A compound represented by the following formula (1): wherein in the formula (1), a ring XB is a six-membered hydrocarbon ring or a six-membered heterocyclic ring having one or two nitrogen atoms; one or more sets of adjacent two of XB1 to XB4 are fused with a substituted or unsubstituted hydrocarbon ring including 5 to 50 ring carbon atoms, or a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms; one or more sets of adjacent two of XC1 to XC3 are fused with a substituted or unsubstituted hydrocarbon ring including 5 to 50 ring carbon atoms or a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms.
    Type: Application
    Filed: February 24, 2021
    Publication date: November 18, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventor: Ryota TAKAHASHI
  • Publication number: 20210359221
    Abstract: A compound represented by the following formula (1): wherein in the formula (1), rings X1 to X4 independently a substituted or unsubstituted benzene ring, or a substituted or unsubstituted 6-membered aromatic heterocyclic ring having one or two nitrogen atoms, and at least two of the rings X1 to X4 are independently fused with one or more selected from the group consisting of a substituted or unsubstituted hydrocarbon ring including 5 to 50 ring carbon atoms, and a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms.
    Type: Application
    Filed: February 24, 2021
    Publication date: November 18, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota TAKAHASHI, Keita SEDA, Shota SAWANO
  • Patent number: 11178164
    Abstract: A data analysis apparatus includes: a processor; and a memory including a set of instructions that, when executed by the processor causes the processor to perform operations including: obtaining anomaly analysis results each including information identifying anomaly data of first and second vehicles provided with an in-vehicle network including one or more networks; identifying, for each of the first and second vehicles, a primary ECU having higher relevance to the anomaly data among ECUs connected to the in-vehicle network; identifying, for each of the first and second vehicles, ECUs connected to a network in the one or more networks to which the primary ECU is connected as a secondary ECU set; and identifying an ECU included in both of the secondary ECU set identified for the first vehicle and the secondary ECU set identified for the second vehicle and satisfying a predetermined condition as an anomaly-relevant ECU.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: November 16, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Takamitsu Sasaki, Ryota Takahashi, Tomoyuki Haga
  • Publication number: 20210336149
    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: Application
    Filed: December 23, 2020
    Publication date: October 28, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Masato NAKAMURA, Taro YAMAKI, Ryota TAKAHASHI
  • Patent number: 11139437
    Abstract: A compound represented by the formula (1) below. At least one set of two or more adjacent groups among R1 to R11 forms a substituted or unsubstituted heterocyclic ring, or forms a ring represented by the formula (2) below, or at least one of R1 to R4 is a group represented by the formula (3) below.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 5, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Keita Seda, Ryota Takahashi, Tomoki Kato, Hidetsugu Ikeda, Yuki Nakano
  • Publication number: 20210301682
    Abstract: The present invention comprises: a cylindrical pipe (314) that has a cylindrical shape about an axis (O) extending in the horizontal direction and has a space internally extending in the direction of the axis (O); steam inlets (31, 32) which are provided at the bottom of the cylindrical pipe (314) and through which steam is introduced; a steam outlet (33) that is opened from an end of the cylindrical pipe (314) in the axis (O) direction toward the axis (O) direction for exhausting steam from the cylindrical pipe (314); and a moisture separation element (315) that is provided in the cylindrical pipe (314) between the steam inlets (31, 32) and the steam outlet (33) and has a plurality of vanes for separating moisture from steam by passing the steam through the vanes.
    Type: Application
    Filed: August 19, 2019
    Publication date: September 30, 2021
    Applicant: Mitsubishi Power, Ltd.
    Inventors: Issaku Fujita, Ryota Takahashi, Yasuaki Shimohara, Taichi Nakamura, Tetsuya Tsukamoto
  • Publication number: 20210240838
    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: Application
    Filed: April 8, 2021
    Publication date: August 5, 2021
    Inventors: Takamitsu SASAKI, Ryota TAKAHASHI
  • Publication number: 20210232687
    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: Application
    Filed: April 14, 2021
    Publication date: July 29, 2021
    Inventors: Takamitsu SASAKI, Ryota TAKAHASHI
  • Publication number: 20210151687
    Abstract: This compound is represented by formula (1).
    Type: Application
    Filed: June 22, 2018
    Publication date: May 20, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ryota TAKAHASHI, Keita SEDA, Yuki NAKANO
  • Publication number: 20210066599
    Abstract: A compound represented by the following formula (1), wherein one or more pairs among R12 and R13, R13 and R14, R14 and R15, R16 and R17, R17 and R18, and R18 and R19 independently form a ring represented by the following formula (2A) or a ring represented by the following formula (2B), or do not form a ring represented by the following formula (2A) and do not form a ring represented by the following formula (2B); and one of R12 to R28 is bonded with L2.
    Type: Application
    Filed: December 28, 2018
    Publication date: March 4, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yuki NAKANO, Ryota TAKAHASHI, Keita SEDA, Tomoki KATO, Hidetsugu IKEDA, Thomas SCHAEFER, Peter MURER, Carsten ROTHE
  • Publication number: 20210062078
    Abstract: A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).
    Type: Application
    Filed: December 28, 2018
    Publication date: March 4, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tomoki KATO, Keita SEDA, Ryota TAKAHASHI, Hidetsugu IKEDA, Yuki NAKANO, Thomas SCHAEFER, Peter MURER, Carsten ROTHE
  • Publication number: 20210005825
    Abstract: An organic electroluminescence device comprising a cathode, an anode and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a fluorescent emitting layer and the fluorescent emitting layer comprises at least one first compound selected from the compounds represented by formulae (19), (21), (22), and (23), a second compound selected from the compounds represented by formula (3a), and a dopant material selected from the compounds represented by formulae (D1) and (D2) is excellent in its performance.
    Type: Application
    Filed: April 3, 2018
    Publication date: January 7, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Satomi TASAKI, Ryota TAKAHASHI, Yuki NAKANO, Yuichiro KAWAMURA