Patents by Inventor Toshiyuki Yamamoto

Toshiyuki Yamamoto 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).

  • Publication number: 20240138263
    Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.
    Type: Application
    Filed: September 18, 2023
    Publication date: April 25, 2024
    Inventors: Makoto YAMAMOTO, Keigo HOSHI, Yuji SUZAKI, Hirokazu KUWABARA, Nobutaka AKASHI, Ryuhei FURUE, Toshiyuki MATSUURA, Yoshiro SUGITA, Yuma AOKI, Yuuki MIYAZAKI
  • Publication number: 20240132408
    Abstract: A rare earth aluminate sintered compact including rare earth aluminate phosphor crystalline phases and voids, wherein an absolute maximum length of 90% or more by number of rare earth aluminate phosphor crystalline phases is in a range from 0.4 ?m to 1.3 ?m, and an absolute maximum length of 90% or more by number of voids is in a range from 0.1 ?m to 1.2 ?m.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 25, 2024
    Applicant: NICHIA CORPORATION
    Inventors: Shozo TAKETOMI, Ryo YAMAMOTO, Tomomi FUJII, Toshiyuki HIRAI
  • Publication number: 20240126747
    Abstract: A data store comprises a commit management map including an identifier of a distributed transaction. A control method executed by an adapter coupled to the data store includes: alternate processing of, temporarily storing the reception query, and causing a transaction on the data store side to execute the reception query; perpetuation processing of determining whether or not commit is possible using lock information and perpetuating the GXID to be committed and the temporarily stored reception query in a case where commit is possible; settlement processing of causing the transaction on the data store side to execute a GXID addition query that is a query that adds the GXID to be committed to the commit management map and committing the transaction on the data store side; and store restart processing of the adapter starting a new transaction at the data store for a distributed transaction in an in-doubt state.
    Type: Application
    Filed: September 12, 2023
    Publication date: April 18, 2024
    Applicant: Hitachi, Ltd.
    Inventors: Toshiyuki HASEGAWA, Nobuyuki YAMAMOTO
  • Patent number: 11963375
    Abstract: A light-emitting device includes a first electrode. a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer. The emission layer may include a hole transporting host, an electron transporting host, a sensitizer, and a delayed fluorescence dopant. The hole transporting host and the electron transporting host may form an exciplex. The sensitizer may include an organometallic compound. The delayed fluorescence dopant may not include a metal atom, and the exciplex may satisfy specific Equations.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jiyoung Lee, Makoto Yamamoto, Toshiyuki Matsuura, Hyunyoung Kim, Hyosup Shin
  • Publication number: 20240103495
    Abstract: Feedback is provided, based on an actual drive amount of an actuator, to a command to a subsequent actuator. A control system includes a memory configured to store a program configured to generate a command related to a working position, a controller configured to execute the program, a first output unit configured to output a drive signal to a first drive portion, a second output unit configured to output another drive signal to a second drive portion, and a measurement unit configured to measure a drive amount of the first drive portion. The controller is configured to extract a low-frequency component included in the command, transmit the low-frequency component to the first output unit, correct a high-frequency component included in the command based on a signal indicating the drive amount of the first drive portion, and transmit the high-frequency component to the second drive portion.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 28, 2024
    Applicant: OMRON Corporation
    Inventors: Eiji YAMAMOTO, Toshiyuki KOJIMA, Yuto YASUI
  • Patent number: 11920226
    Abstract: Provided is a powder suitable for a magnetic member capable of suppressing noise in a frequency range of 100 kHz to 20 MHz. The powder for a magnetic member contains a plurality of particles 2. The main part of the particle 2 is made of an alloy. The alloy contains B. The content of B in the alloy is 5.0 mass % or more and 8.0 mass % or less. The alloy may further contain one or more elements selected from the group consisting of Cr, Mn, Co, and Ni. The content of these elements is 0 mass % or more and 25 mass % or less. The balance of the alloy is Fe and unavoidable impurities. The alloy contains an Fe2B phase. The area percentage of the Fe2B phase in the alloy is 20 mass % or more and 80 mass % or less.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: March 5, 2024
    Assignee: Sanyo Special Steel Co., Ltd.
    Inventors: Takahisa Yamamoto, Koudai Miura, Toshiyuki Sawada
  • Patent number: 10066489
    Abstract: A rotating body includes a rotating body core, and a plurality of blades provided at an outer or inner circumference of the rotating body core at equal intervals in a circumferential direction, and connected circumferentially via an annular connection portion provided separately from the rotating body core. A resonance frequency under a two nodal diameter number mode of the rotating body is lower than or equal to a rotational secondary harmonic frequency with respect to a rated rotation speed. Where Nd represents an order of a maximum mistuned component among order components of circumferential distribution of mass, rigidity or natural frequency of the blades, arrangement of the blades satisfies Nd?5, and has order components each having ratio less than 1/2, in which the ratio is obtained by dividing the order component by the magnitude of the component of the order Nd.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: September 4, 2018
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryozo Tanaka, Ryoji Tamai, Toshiyuki Yamamoto, Yoshichika Sato, Yoshinobu Sakano
  • Publication number: 20170342582
    Abstract: The invention consists of a chromium electroplating solution comprising a chromium electroplating solution comprising: (1) a water soluble trivalent chromium salt; (2) at least one complexant for trivalent chromium ions; (3) a source of hydrogen ions sufficient to create a pH of from 2.8-4.2; (4) a pH buffering compound; and (5) a sulfur-containing organic compound. The chromium electroplating solution is usable in a method for producing an adherent metallic coating on a decorative article, such coating having enhanced resistance to corrosion in environments containing calcium chloride.
    Type: Application
    Filed: August 16, 2017
    Publication date: November 30, 2017
    Inventors: Roderick D. Herdman, Stacey Handy, Trevor Pearson, Toshiyuki Yamamoto, Kotaro Ishiwata, Masahiro Hara, Tatsuya Nishiyama
  • Patent number: 9765437
    Abstract: The invention consists of a chromium electroplating solution comprising a chromium electroplating solution comprising: (1) a water soluble trivalent chromium salt; (2) at least one complexant for trivalent chromium ions; (3) a source of hydrogen ions sufficient to create a pH of from 2.8-4.2; (4) a pH buffering compound; and (5) a sulfur-containing organic compound. The chromium electroplating solution is usable in a method for producing an adherent metallic coating on a decorative article, such coating having enhanced resistance to corrosion in environments containing calcium chloride.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: September 19, 2017
    Inventors: Roderick D. Herdman, Stacey Handy, Trevor Pearson, Toshiyuki Yamamoto, Kotaro Ishiwata, Masahiro Hara, Tatsuya Nishiyama
  • Patent number: 9636909
    Abstract: A liquid ejection device includes a head unit and a control unit. A driving signal generating portion of the control unit is configured to create a driving signal having at least one wave portion for ejecting the liquid from the nozzles. A signal converting portion of the control unit is configured to convert plural types of original control signals including an original latching signal and an original printing data signal into a single serial control signal having a serial form. A signal restoring portion of the head unit is configured to create plural types of restored control signals from the serial control signal received, the restored control signals including a restored latching signal and a restored printing data signal. The nozzles are configured and arranged to eject the liquid based on the driving signal, the restored latching signal, and the restored printing data signal.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: May 2, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Toshiyuki Yamamoto
  • Publication number: 20160102564
    Abstract: A rotating body includes a rotating body core, and a plurality of blades provided at an outer or inner circumference of the rotating body core at equal intervals in a circumferential direction, and connected circumferentially via an annular connection portion provided separately from the rotating body core. A resonance frequency under a two nodal diameter number mode of the rotating body is lower than or equal to a rotational secondary harmonic frequency with respect to a rated rotation speed. Where Nd represents an order of a maximum mistuned component among order components of circumferential distribution of mass, rigidity or natural frequency of the blades, arrangement of the blades satisfies Nd?5, and has order components each having ratio less than 1/2, in which the ratio is obtained by dividing the order component by the magnitude of the component of the order Nd.
    Type: Application
    Filed: December 16, 2015
    Publication date: April 14, 2016
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryozo TANAKA, Ryoji TAMAI, Toshiyuki YAMAMOTO, Yoshichika SATO, Yoshinobu SAKANO
  • Publication number: 20160075131
    Abstract: A liquid ejection device includes a head unit and a control unit. A driving signal generating portion of the control unit is configured to create a driving signal having at least one wave portion for ejecting the liquid from the nozzles. A signal converting portion of the control unit is configured to convert plural types of original control signals including an original latching signal and an original printing data signal into a single serial control signal having a serial form. A signal restoring portion of the head unit is configured to create plural types of restored control signals from the serial control signal received, the restored control signals including a restored latching signal and a restored printing data signal. The nozzles are configured and arranged to eject the liquid based on the driving signal, the restored latching signal, and the restored printing data signal.
    Type: Application
    Filed: November 30, 2015
    Publication date: March 17, 2016
    Inventor: Toshiyuki YAMAMOTO
  • Patent number: 9227397
    Abstract: A liquid ejection device includes a head unit and a control unit. A driving signal generating portion of the control unit is configured to create a driving signal having at least one wave portion for ejecting the liquid from the nozzles. A signal converting portion of the control unit is configured to convert plural types of original control signals including an original latching signal and an original printing data signal into a single serial control signal having a serial form. A signal restoring portion of the head unit is configured to create plural types of restored control signals from the serial control signal received, the restored control signals including a restored latching signal and a restored printing data signal. The nozzles are configured and arranged to eject the liquid based on the driving signal, the restored latching signal, and the restored printing data signal.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: January 5, 2016
    Assignee: Seiko Epson Corporation
    Inventor: Toshiyuki Yamamoto
  • Patent number: 9218787
    Abstract: An image-displaying device includes a storage section, an image data generation section, a timing information acquisition section, and a display control section. The image data generation section is configured to generate image data indicative of an image of a subject and output to the storage section the image data including an Nth image data and an (N+i)th image data. The timing information acquisition section is configured to acquire timing information indicative of a timing related to generation of the image data and a timing at which output of each of the Nth image data and the (N+i)th image data to the storage section is completed. The display control section is configured to control a display section to commence reading and displaying the Nth image data in accordance with acquisition of the timing information indicating that the output of the (N+i)th image data to the storage section is completed.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: December 22, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Ryuichi Shiohara, Masahiro Kitano, Toshiyuki Yamamoto
  • Patent number: 9180813
    Abstract: A vehicle notification sound emitting apparatus is basically provided with a first sound emitting device, a second sound emitting device and a notification sound control device. The first sound emitting device emits a first intermittent notification sound inside a cabin interior of a vehicle. The second sound emitting device emits a second intermittent notification sound outside of the cabin interior of the vehicle. The notification sound control device operates the first and second sound emitting devices to separately emit the first and second intermittent notification sounds in at least a partially overlapping pattern in response to occurrence of a vehicle condition to convey a same type of vehicle information to both inside and outside of the cabin interior of the vehicle. The notification sound control device includes a cabin interior-exterior notification sound synchronizing section that is configured to synchronize the first and second intermittent notification sounds.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: November 10, 2015
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironori Saito, Katsumi Kimura, Tsuyoshi Kanuma, Hideo Yoshino, Yuji Watanabe, Toshiyuki Yamamoto
  • Patent number: 9148572
    Abstract: A timing generator includes a frame rate information receiver, a display control section, and a determination unit. The frame rate information acquisition section is configured to receive information indicating a frame rate of an image sensor. The display control section is configured to output dot clocks in a first cycle to a display which includes a counter being configured to count the number of the dot clocks for a synchronization period, where the dot clocks are a synchronization signal. The determination unit is configured to determine whether or not the number of the dot clocks in the synchronization period is expected to exceed a predetermined number, where length of the synchronization period is based on at least the frame rate of the image sensor. The display control section is configured to switch from the first cycle to a second cycle, if the number of dot clocks is expected to exceed the predetermined number.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: September 29, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Masahiro Kitano, Ryuichi Shiohara, Toshiyuki Yamamoto
  • Patent number: 9010894
    Abstract: A liquid ejection device includes a head unit and a control unit. A driving signal generating portion of the control unit is configured to create a driving signal having at least one wave portion for ejecting the liquid from the nozzles. A signal converting portion of the control unit is configured to convert plural types of original control signals including an original latching signal and an original printing data signal into a single serial control signal having a serial form. A signal restoring portion of the head unit is configured to create plural types of restored control signals from the serial control signal received, the restored control signals including a restored latching signal and a restored printing data signal. The nozzles are configured and arranged to eject the liquid based on the driving signal, the restored latching signal, and the restored printing data signal.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: April 21, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Toshiyuki Yamamoto
  • Publication number: 20150054873
    Abstract: A liquid ejection device includes a head unit and a control unit. A driving signal generating portion of the control unit is configured to create a driving signal having at least one wave portion for ejecting the liquid from the nozzles. A signal converting portion of the control unit is configured to convert plural types of original control signals including an original latching signal and an original printing data signal into a single serial control signal having a serial form. A signal restoring portion of the head unit is configured to create plural types of restored control signals from the serial control signal received, the restored control signals including a restored latching signal and a restored printing data signal. The nozzles are configured and arranged to eject the liquid based on the driving signal, the restored latching signal, and the restored printing data signal.
    Type: Application
    Filed: October 31, 2014
    Publication date: February 26, 2015
    Inventor: Toshiyuki YAMAMOTO
  • Publication number: 20150042860
    Abstract: An image-displaying device includes a storage section, an image data generation section, a timing information acquisition section, and a display control section. The image data generation section is configured to generate image data indicative of an image of a subject and output to the storage section the image data including an Nth image data and an (N+i)th image data. The timing information acquisition section is configured to acquire timing information indicative of a timing related to generation of the image data and a timing at which output of each of the Nth image data and the (N+i)th image data to the storage section is completed. The display control section is configured to control a display section to commence reading and displaying the Nth image data in accordance with acquisition of the timing information indicating that the output of the (N+i)th image data to the storage section is completed.
    Type: Application
    Filed: October 27, 2014
    Publication date: February 12, 2015
    Inventors: Ryuichi SHIOHARA, Masahiro KITANO, Toshiyuki YAMAMOTO
  • Patent number: 8937673
    Abstract: An image-displaying device includes a first storage section, an image data generation section, a timing information acquisition section and a display control section. The image data generation section is configured to output the image data to the first storage section with the image data being composed of a plurality of predetermined data units. The timing information acquisition section is configured to acquire timing information indicative of a timing related to generation and output of the image data to the first storage section with respect to each of the predetermined data units. The display control section is configured to control a display section to read and display an Nth one of the predetermined data units after output of an (N+i)th one of the predetermined data units to the first storage section is completed according to the timing information, where N is a natural number and i is a nonnegative integer.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: January 20, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Ryuichi Shiohara, Masahiro Kitano, Toshiyuki Yamamoto