Patents by Inventor Shunya Fukuda

Shunya Fukuda 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: 11964478
    Abstract: A waveform determination method is disclosed that includes acquiring second timing information regarding a timing at which the flight distance of the droplet reaches the first distance when each of the plurality of waveform candidates indicated by the second waveform information is used, and a determination step of determining a waveform of each of the first drive pulse and the second drive pulse based on the first timing information and the second timing information.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: April 23, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Toshiro Murayama, Atsushi Toyofuku, Shunya Fukuda, Takahiro Katakura
  • Publication number: 20230290573
    Abstract: A ceramic electronic device includes a multilayer chip having a plurality of dielectric layers and a plurality of internal electrode layers so as to face each other, each of the plurality of internal electrode layers being stacked via each of the plurality of dielectric layers, an external electrode that is provided on an end face of the multilayer chip, contacts each end of at least a part of the plurality of internal electrode layers, and includes a co-material, the end face being an end of the multilayer chip in a direction in which the plurality of internal electrode layers extend, and a projection portion that is provided between the external electrode and the multilayer chip and has a projection shape toward the external electrode from the multilayer chip. A main component of the projection portion is ceramic including at least Ba, Ca and Ti.
    Type: Application
    Filed: February 16, 2023
    Publication date: September 14, 2023
    Inventors: Keigo NAKAMURA, Michio OSHIMA, Shunya FUKUDA, Jyouji ARIGA, Yoshinori SHIBATA, Takashi ASAI
  • Publication number: 20230166501
    Abstract: An ink jet system includes a head unit that includes a nozzle discharging ink, a pressure chamber communicating with the nozzle, and a drive element applying pressure fluctuation to the ink in the pressure chamber by supplying a drive pulse, an acquisition portion that acquires output information including first output information regarding the head unit and/or second output information regarding the ink used for the head unit, a first coupling portion that is communicably network-coupled to a server, a first output portion that outputs the output information to the server via the first coupling portion, a first input portion to which input information is input from the server via the first coupling portion, and a determination portion that determines the number of times of scanning or a scanning direction of the head unit with respect to a unit region on a medium based on the input information.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 1, 2023
    Inventors: Tomonaga HASEGAWA, Shunya FUKUDA, Nobuaki ITO
  • Publication number: 20230166502
    Abstract: An ink jet system includes a head unit that includes a nozzle discharging ink, a pressure chamber communicating with the nozzle, and a drive element applying pressure fluctuation to the ink in the pressure chamber by supplying a drive pulse, an acquisition portion that acquires output information including one or both of first output information regarding the head unit and second output information regarding the ink used for the head unit, a first coupling portion that is communicably network-coupled to a server, a first output portion that outputs the output information to the server via the first coupling portion, a first input portion to which input information is input from the server via the first coupling portion, and a determination portion that determines a drive timing of the drive element based on the input information.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 1, 2023
    Inventors: Tomonaga HASEGAWA, Shunya FUKUDA, Nobuaki ITO
  • Publication number: 20230166523
    Abstract: An ink jet system includes a head unit that includes a nozzle discharging ink, a pressure chamber communicating with the nozzle, and a drive element applying pressure fluctuation to the ink in the pressure chamber by supplying a drive pulse, an acquisition portion that acquires output information including one or both of first output information regarding the head unit and second output information regarding the ink used for the head unit, a first coupling portion that is communicably network-coupled to a server, a first output portion that outputs the output information to the server via the first coupling portion, a first input portion to which input information is input from the server via the first coupling portion, and a determination portion that determines a content of image processing for image data based on the input information.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 1, 2023
    Inventors: Tomonaga HASEGAWA, Shunya FUKUDA, Nobuaki ITO
  • Publication number: 20230117636
    Abstract: A liquid ejecting system includes a head unit that includes a pressure chamber, a drive element driven by an applied drive waveform, a vibration plate that vibrates by drive of the drive element, and a nozzle through which a liquid is ejected by a pressure applied in the pressure chamber by vibration of the vibration plate, and an input portion to which an input parameter for detecting an ejection failure of the liquid based on residual vibration of the vibration plate is input from a server through a network connection portion.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 20, 2023
    Inventors: Yuki HANAMURA, Takao YAMAMOTO, Nobuaki ITO, Shunya FUKUDA
  • Publication number: 20230122325
    Abstract: A first acquisition section that acquires first information unique to the liquid discharge head and second information related to the liquid discharge device is included. A determination section that determines whether or not correspondence relationship between the first information and the second information is stored in the server in advance is included in the server. A second transmission section that transmits third information related to a determination result of the determination section from the server is included. A second reception section that receives the third information is included. A first notification section that makes, based on the third information, a first notification to outside is included.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 20, 2023
    Inventors: Takao YAMAMOTO, Shunya FUKUDA, Yuki HANAMURA, Nobuaki ITO
  • Publication number: 20230119224
    Abstract: A liquid ejecting system includes a head unit that includes a nozzle for ejecting a liquid, a pressure chamber communicating with the nozzle, and a drive element for applying pressure fluctuation to a liquid in the pressure chamber by supplying a drive pulse, a first connection portion that is communicably connected to a server through a network, a decision portion that decides a waveform of the drive pulse supplied to the drive element based on first input information, and a first input portion to which the first input information is input from the server through the first connection portion.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 20, 2023
    Inventors: Yuki HANAMURA, Takao YAMAMOTO, Nobuaki ITO, Shunya FUKUDA
  • Publication number: 20230118256
    Abstract: A liquid ejecting system includes a head unit that includes a nozzle for ejecting a liquid, a pressure chamber communicating with the nozzle, and a drive element for applying pressure fluctuation to a liquid in the pressure chamber by supplying a drive pulse, an acquisition portion that acquires output information regarding a usage condition of the head unit, a first connection portion that is communicably connected to a server through a network, a first output portion that outputs the output information through the first connection portion, a first input portion to which input information regarding a waveform of the drive pulse supplied to the drive element is input through the first connection portion. A decision portion that decides the waveform of the drive pulse supplied to the drive element based on the input information.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 20, 2023
    Inventors: Takao YAMAMOTO, Shiki KUMAGAI, Shunya FUKUDA, Nobuaki ITO
  • Patent number: 11413863
    Abstract: A liquid ejecting head includes first and second individual flow paths arranged side by side along a first direction; a first nozzle communicating with the first individual flow path; a second nozzle communicating with the second individual flow path; and a common liquid chamber coupled to the first and second individual flow paths. The first and second nozzles have openings in a nozzle surface having a second direction as a normal direction. The first individual flow path has a first upstream communication path extending between the first nozzle and the common liquid chamber along the second direction. The second individual flow path has a second upstream communication path extending between the second nozzle and the common liquid chamber along the second direction. The first upstream communication path and the second upstream communication path have parts which do not overlap each other when seen along the first direction.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: August 16, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Yuma Fukuzawa, Kazuaki Uchida, Shunya Fukuda
  • Publication number: 20220250379
    Abstract: acquiring second timing information regarding a timing at which the flight distance of the droplet reaches the first distance when each of the plurality of waveform candidates indicated by the second waveform information is used, and a determination step of determining a waveform of each of the first drive pulse and the second drive pulse based on the first timing information and the second timing information.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 11, 2022
    Inventors: Toshiro MURAYAMA, Atsushi TOYOFUKU, Shunya FUKUDA, Takahiro KATAKURA
  • Patent number: 11400708
    Abstract: the ejection amount per ejection from the nozzle when the distance between the nozzle and the recording medium is the first distance is equal to the ejection amount per ejection from the nozzle when the distance between the nozzle and the recording medium is the second distance.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: August 2, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Kazuaki Uchida, Shunya Fukuda
  • Patent number: 11292247
    Abstract: Provided is a liquid discharging head including: a nozzle discharging a liquid; a chamber plate having a plurality of pressure chambers, a drive element provided to correspond to each of the pressure chambers, and a plurality of lead electrodes for supplying an electric signal to the drive element; and a circuit substrate having a terminal coupled to the lead electrode. A first pressure chamber and a second pressure chamber communicate with the nozzle in common. The chamber plate includes a first individual lead electrode for the drive element corresponding to the first pressure chamber and a second individual lead electrode for the drive element corresponding to the second pressure chamber. The terminal of the circuit substrate is coupled so as to overlap the first individual lead electrode and the second individual lead electrode in plan view.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: April 5, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Shohei Mizuta, Motoki Takabe, Shunya Fukuda, Yoichi Naganuma
  • Patent number: 11260654
    Abstract: The controller controls ejection of liquid such that the first and second nozzles eject liquid at the same timing and the first and third nozzles eject liquid at different timings.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: March 1, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Kazuaki Uchida, Shunya Fukuda, Junichi Sano
  • Patent number: 11230100
    Abstract: Provided is a liquid discharging head including a nozzle discharging a liquid; a chamber plate in which a plurality of pressure chambers are arranged side by side on a first surface side; and a flow path plate having a second surface formed with an opening of a communication flow path, wherein a first region of a partition wall between a first pressure chamber and a second pressure chamber adjacent to each other among the plurality of pressure chambers is constrained by being bonded to the second surface of the flow path plate, and a second region of the partition wall overlaps the opening of the communication flow path in plan view.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: January 25, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Motoki Takabe, Yoichi Naganuma, Shunya Fukuda, Shohei Mizuta
  • Publication number: 20220020534
    Abstract: A ceramic electronic component includes a multilayer chip including a multilayer structure having ceramic dielectric layers and internal electrode layers alternately stacked, and cover layers respectively disposed on top and bottom faces of the multilayer structure in a first direction in which the dielectric layers and the internal electrode layers are stacked, and a pair of external electrodes formed from respective edge faces to at least one side face of the multilayer chip, wherein a ratio of a thickness of the multilayer chip in the first direction to a width of the multilayer chip in a shorter side direction is 0.7 or less, wherein a thickness of a capacitance section where adjacent internal electrode layers connected to different external electrodes are opposite to each other in the first direction is equal to or greater than 2.2 times at least one of thicknesses of the cover layers in the first direction.
    Type: Application
    Filed: July 8, 2021
    Publication date: January 20, 2022
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Shunya FUKUDA, Fukio KINOSHITA, Daisuke IWAI
  • Patent number: 11167552
    Abstract: Provided is a liquid discharging head including: a nozzle discharging a liquid; a pressure chamber row in which a plurality of pressure chambers communicating with the nozzle are arranged side by side along a first axis direction; and a first reservoir and a second reservoir commonly communicating with the plurality of pressure chambers, in which the pressure chamber row includes a first pressure chamber communicating with the first reservoir and a second pressure chamber communicating with the second reservoir, and the liquid discharging head further comprises a communication flow path causing the first pressure chamber and the second pressure chamber to commonly communicate with one nozzle.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: November 9, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Shohei Mizuta, Motoki Takabe, Shunya Fukuda, Yoichi Naganuma
  • Patent number: 11072171
    Abstract: Provided is a liquid discharging head including: a nozzle discharging a liquid; a chamber plate having a plurality of pressure chambers, drive elements provided in correspondence with each pressure chamber, and a plurality of lead electrodes for supplying electric signals to the drive elements; and a circuit substrate having terminals coupled to the lead electrodes. A first pressure chamber and a second pressure chamber communicate with the nozzle in common. A first segment electrode is formed so as to overlap the first pressure chamber and is not to overlap the second pressure chamber in plan view. A second segment electrode is formed so as to overlap the second pressure chamber and is not to overlap the first pressure chamber in plan view. The first segment electrode and the second segment electrode are coupled to the same lead electrode.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: July 27, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Shohei Mizuta, Motoki Takabe, Shunya Fukuda, Yoichi Naganuma
  • Patent number: 10987925
    Abstract: A first drive waveform includes, in the following order: a first section in which voltage is changed, a second section in which the voltage is maintained, and a third section in which the voltage is changed in a direction opposite to another direction in which the voltage is changed in the first section. A second drive waveform includes, in the following order: a fourth section in which voltage is changed, a fifth section in which the voltage is maintained, and a sixth section in which the voltage is changed in a direction opposite to another direction in which the voltage is changed in the fourth section. The voltage applied to a piezoelectric element in the second section is higher than the voltage applied to the piezoelectric element in the fifth section. The period of the first drive waveform is shorter than the period of the second drive waveform.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: April 27, 2021
    Assignee: Seiko Epson Corporation
    Inventor: Shunya Fukuda
  • Patent number: 10946656
    Abstract: A liquid ejection head includes a flow path substrate, a first plate having a nozzle, and a second plate. A flow path substrate includes a first communication path which passes through a flow path substrate in a thickness direction and has an opening on each of a first plate side and a second plate side, and a second communication path communicating with an opening on a first plate side of a first communication path at a first plate side and extending on the second plate side. A pressure chamber communicating with a first communication path and a first flow path through which a liquid flows into a pressure chamber are formed by a part of a second plate and a part of a flow path substrate.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: March 16, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Toshiro Murayama, Yuma Fukuzawa, Shunya Fukuda, Kazuaki Uchida, Shunsuke Watanabe, Noriaki Okazawa