Patents by Inventor Osamu Murayama

Osamu Murayama 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: 11958300
    Abstract: A recording apparatus includes a carriage on which the recording head is mounted and in which a first measuring area and a second measuring area are provided, a platen disposed to face the recording head, a reference portion disposed on the platen at a position faceable by the recording head; a distance sensor provided on either of the carriage or the reference portion and configured to measure a distance between a measuring area and the reference portion, and a controller that determines an inclination of the carriage with respect to the platen based on a measurement result of the distance sensor, and controls execution of a predetermined process.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: April 16, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Osamu Murayama, Shinya Yamazaki
  • Patent number: 11802017
    Abstract: An ultrasonic apparatus includes a first ultrasonic sensor that transmits an ultrasonic wave to an object and receives the ultrasonic wave reflected by the object, a second ultrasonic sensor that transmits an ultrasonic wave to the object and receives the ultrasonic wave reflected by the object, an determination circuit that outputs an error signal when the difference between a first distance between the first ultrasonic sensor and the object calculated based on ultrasonic wave transmission and reception processing using the first ultrasonic sensor and a second distance between the second ultrasonic sensor and the object calculated based on ultrasonic wave transmission and reception processing using the second ultrasonic sensor is equal to or greater than a threshold value.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: October 31, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masayoshi Yamada, Hikaru Iwai, Shinya Yamazaki, Osamu Murayama
  • Patent number: 11789386
    Abstract: A recording device includes a recording unit configured to perform recording on a medium, a transporting belt configured to transport the medium, the transporting belt including a surface on which the medium is able to be supported, a washing unit configured to wash the surface using a liquid, an ultrasonic sensor configured to transmit an ultrasonic wave onto the surface and receive the ultrasonic wave reflected from the surface, and a control unit configured to determine a remaining state of the liquid on the surface based on a result of detection by the ultrasonic sensor, in which the ultrasonic sensor transmits the ultrasonic wave onto at least part of the transporting belt, from downstream of the washing unit to upstream of the recording unit, in a rotation direction of the transporting belt.
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: October 17, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Yuya Yumoto, Junpei Yamashita, Osamu Murayama, Shinya Yamazaki, Nobuaki Kamiyama, Shigenori Nakagawa
  • Publication number: 20230079017
    Abstract: A recording device includes a recording unit configured to perform recording by ejecting a liquid onto a medium configured to transmit an ultrasonic wave, a transport unit configured to transport the medium, an imaging unit configured to capture an image of the medium, an ultrasonic wave sensor including a transmission unit configured to transmit an ultrasonic wave to the medium and a reception unit configured to receive an ultrasonic wave transmitted by the transmission unit, and a control unit configured to control an operation of the recording unit, based on an imaging result from the imaging unit and a detection result from the ultrasonic wave sensor. The transmission unit and the reception unit are positioned sandwiching the medium.
    Type: Application
    Filed: September 13, 2022
    Publication date: March 16, 2023
    Inventors: Yuya YUMOTO, Junpei YAMASHITA, Osamu MURAYAMA, Shinya YAMAZAKI, Nobuaki KAMIYAMA, Shigenori NAKAGAWA
  • Publication number: 20230053888
    Abstract: A recording device includes a recording unit configured to perform recording on a medium, a transporting belt configured to transport the medium, the transporting belt including a surface on which the medium is able to be supported, a washing unit configured to wash the surface using a liquid, an ultrasonic sensor configured to transmit an ultrasonic wave onto the surface and receive the ultrasonic wave reflected from the surface, and a control unit configured to determine a remaining state of the liquid on the surface based on a result of detection by the ultrasonic sensor, in which the ultrasonic sensor transmits the ultrasonic wave onto at least part of the transporting belt, from downstream of the washing unit to upstream of the recording unit, in a rotation direction of the transporting belt.
    Type: Application
    Filed: August 17, 2022
    Publication date: February 23, 2023
    Inventors: Yuya YUMOTO, Junpei YAMASHITA, Osamu MURAYAMA, Shinya YAMAZAKI, Nobuaki KAMIYAMA, Shigenori NAKAGAWA
  • Publication number: 20230057854
    Abstract: A recording apparatus includes a recording section capable of recording on a medium, a transport belt that is provided with adhesive capable of adhering with the medium and that is capable of transporting the medium, an ultrasonic sensor that transmits ultrasonic waves to the surface of the adhesive and that receives ultrasonic waves reflected from the surface, and a controller capable of determining the state of the surface based on the detection result of the ultrasonic sensor.
    Type: Application
    Filed: August 18, 2022
    Publication date: February 23, 2023
    Inventors: Yuya YUMOTO, Junpei YAMASHITA, Osamu MURAYAMA, Shinya YAMAZAKI, Nobuaki KAMIYAMA, Shigenori NAKAGAWA
  • Publication number: 20230016614
    Abstract: A recording apparatus includes a carriage on which the recording head is mounted and in which a first measuring area and a second measuring area are provided, a platen disposed to face the recording head, a reference portion disposed on the platen at a position faceable by the recording head; a distance sensor provided on either of the carriage or the reference portion and configured to measure a distance between a measuring area and the reference portion, and a controller that determines an inclination of the carriage with respect to the platen based on a measurement result of the distance sensor, and controls execution of a predetermined process.
    Type: Application
    Filed: July 13, 2022
    Publication date: January 19, 2023
    Inventors: Osamu MURAYAMA, Shinya YAMAZAKI
  • Publication number: 20220410567
    Abstract: A recording apparatus includes a plurality of recording heads that performs recording by discharging ink onto a recording medium, a carriage on which the plurality of the recording heads are mounted, a reference portion provided at a position faceable by the plurality of recording heads, a distance sensor that is provided in either the plurality of recording heads or the reference portion to measure a distance between the plurality of recording heads and the reference portion, and a controller that controls execution of a predetermined process based on a measurement result of the distance sensor to adjust an ink adhering position discharged by each of the recording heads.
    Type: Application
    Filed: June 28, 2022
    Publication date: December 29, 2022
    Inventor: Osamu MURAYAMA
  • Patent number: 11402500
    Abstract: A sonic wave sensor unit includes an element substrate having a transmitting element having a transmission side piezoelectric element and transmitting a sonic wave to a medium, and a receiving element having a reception side piezoelectric element and a reception side vibrating surface and receiving a sonic wave reflected by the medium, a sonic wave sensor including a sealing substrate configured to seal the transmission side piezoelectric element and the reception side piezoelectric element, and a holder disposed on a side opposite to the element substrate with respect to the sealing substrate in a ?Z direction and fixed to the sealing substrate, wherein a through hole penetrating the holder in the ?Z direction is formed in the holder, and, in plan view viewed in the ?Z direction, the reception side vibrating surface is disposed inside a wall surface of the holder constituting the through hole.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: August 2, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Shinya Yamazaki, Osamu Murayama
  • Patent number: 11345152
    Abstract: A printing apparatus includes a head unit having a support portion configured to support a plurality of heads capable of discharging a droplet in a discharge direction, and a carriage on which the head unit is removably mounted from upstream in the discharge direction, wherein the carriage has a bottom formed with an opening from which a nozzle surface of the head for discharging the droplet is exposed, the support portion is provided with at least one protruding portion protruding from a bottom surface of the support portion in the discharge direction, and the bottom is provided with an insertion hole through which the at least one protruding portion is inserted, and a biasing member biasing the support portion in an intersecting direction intersecting with the discharge direction in a state where the at least one protruding portion is inserted through the insertion hole.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: May 31, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Yoji Takahashi, Osamu Murayama, Daiki Tatsuta
  • Patent number: 11325388
    Abstract: A liquid ejecting unit includes: a liquid ejecting head configured to eject a liquid; a holding portion holding the liquid ejecting head; a coupling member; and a first fixing member fixing the liquid ejecting head to the holding portion, in which the coupling member is provided with a first coupling portion and a first through-hole, the liquid ejecting head is provided with a second coupling portion that is configured to be coupled to the first coupling portion, and the first fixing member passes through the first through-hole in a state in which the first coupling portion and the second coupling portion are coupled to each other.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: May 10, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Daiki Tatsuta, Osamu Murayama, Yoji Takahashi
  • Patent number: 11318765
    Abstract: A carriage moving mechanism including a driving unit including a driving pulley, a driving motor, and a first support member for supporting both the driving pulley and the driving motor, a driven unit including a driven pulley and a second support member for supporting the driven pulley, and a third support member supporting both the driving unit and the driven unit, an annular belt that is wound around both the driving pulley and the driven pulley, a first outer peripheral surface and a second outer peripheral surface facing to the first outer peripheral surface, and a first carriage that is attached to the first outer peripheral surface, wherein the second support member, the third support member, and the first support member are aligned in this order in a first axis, and the third support member is disposed inside the annular belt.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: May 3, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Osamu Murayama
  • Patent number: 11225078
    Abstract: A liquid ejecting unit includes: a liquid ejecting head configured to eject a liquid; a flow channel member that is attached to the liquid ejecting head and that supplies the liquid to the liquid ejecting head; and an electric coupling member configured to supply a signal to the liquid ejecting head, in which the electric coupling member has a first electric coupling portion, the liquid ejecting head has a second electric coupling portion electrically coupled to the first electric coupling portion, and the flow channel member restricts the electric coupling member from moving in a direction in which the first electric coupling portion is removed from the second electric coupling portion.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: January 18, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Daiki Tatsuta, Osamu Murayama, Junya Suzuki
  • Patent number: 11142007
    Abstract: Provided is a printing apparatus including a platen portion including a platen surface on which a medium is disposed, and a carriage including a printing head and a distance sensor, the carriage being configured to move in a direction B on the platen surface. The printing apparatus further includes a control unit configured to move the carriage to measure, by using the distance sensor, a distance to the medium at each position to which the carriage moves, and to specify, based on information of the position and the distance, a position of an adjustment pattern printing range in which an adjustment pattern is printed on the medium.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: October 12, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Osamu Murayama, Shinya Yamazaki
  • Publication number: 20210263148
    Abstract: A sonic wave sensor unit includes an element substrate having a transmitting element having a transmission side piezoelectric element and transmitting a sonic wave to a medium, and a receiving element having a reception side piezoelectric element and a reception side vibrating surface and receiving a sonic wave reflected by the medium, a sonic wave sensor including a sealing substrate configured to seal the transmission side piezoelectric element and the reception side piezoelectric element, and a holder disposed on a side opposite to the element substrate with respect to the sealing substrate in a ?Z direction and fixed to the sealing substrate, wherein a through hole penetrating the holder in the ?Z direction is formed in the holder, and, in plan view viewed in the ?Z direction, the reception side vibrating surface is disposed inside a wall surface of the holder constituting the through hole.
    Type: Application
    Filed: February 17, 2021
    Publication date: August 26, 2021
    Inventors: Shinya YAMAZAKI, Osamu MURAYAMA
  • Publication number: 20210213736
    Abstract: A printing apparatus includes a head unit having a support portion configured to support a plurality of heads capable of discharging a droplet in a discharge direction, and a carriage on which the head unit is removably mounted from upstream in the discharge direction, wherein the carriage has a bottom formed with an opening from which a nozzle surface of the head for discharging the droplet is exposed, the support portion is provided with at least one protruding portion protruding from a bottom surface of the support portion in the discharge direction, and the bottom is provided with an insertion hole through which the at least one protruding portion is inserted, and a biasing member biasing the support portion in an intersecting direction intersecting with the discharge direction in a state where the at least one protruding portion is inserted through the insertion hole.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 15, 2021
    Inventors: Yoji TAKAHASHI, Osamu MURAYAMA, Daiki TATSUTA
  • Publication number: 20210163245
    Abstract: An ultrasonic apparatus includes a first ultrasonic sensor that transmits an ultrasonic wave to an object and receives the ultrasonic wave reflected by the object, a second ultrasonic sensor that transmits an ultrasonic wave to the object and receives the ultrasonic wave reflected by the object, an determination circuit that outputs an error signal when the difference between a first distance between the first ultrasonic sensor and the object calculated based on ultrasonic wave transmission and reception processing using the first ultrasonic sensor and a second distance between the second ultrasonic sensor and the object calculated based on ultrasonic wave transmission and reception processing using the second ultrasonic sensor is equal to or greater than a threshold value.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 3, 2021
    Inventors: Masayoshi YAMADA, Hikaru IWAI, Shinya YAMAZAKI, Osamu MURAYAMA
  • Patent number: 11007803
    Abstract: A printing apparatus including a platen unit including a platen surface on which a medium is disposed; a carriage including a print head and a sonic sensor, the carriage being configured to move; and a flat surface unit including a plurality of flat surfaces disposed such that distances between the sonic sensor and the plurality of flat surfaces are different from each other. The printing apparatus derives a relational expression from a surface-by-surface distance difference among the flat surfaces of the flat surface unit and a transmission/reception time to and from each surface, obtained based on a measurement by the sonic sensor, and determines, from the relational expression and the transmission/reception time measured at the medium, a distance to the medium.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: May 18, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Shinya Yamazaki, Osamu Murayama
  • Publication number: 20200298568
    Abstract: A liquid ejecting unit includes: a liquid ejecting head configured to eject a liquid; a flow channel member that is attached to the liquid ejecting head and that supplies the liquid to the liquid ejecting head; and an electric coupling member configured to supply a signal to the liquid ejecting head, in which the electric coupling member has a first electric coupling portion, the liquid ejecting head has a second electric coupling portion electrically coupled to the first electric coupling portion, and the flow channel member restricts the electric coupling member from moving in a direction in which the first electric coupling portion is removed from the second electric coupling portion.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Inventors: Daiki TATSUTA, Osamu MURAYAMA, Junya SUZUKI
  • Publication number: 20200298580
    Abstract: A liquid ejecting unit includes: a liquid ejecting head configured to eject a liquid; a holding portion holding the liquid ejecting head; a coupling member; and a first fixing member fixing the liquid ejecting head to the holding portion, in which the coupling member is provided with a first coupling portion and a first through-hole, the liquid ejecting head is provided with a second coupling portion that is configured to be coupled to the first coupling portion, and the first fixing member passes through the first through-hole in a state in which the first coupling portion and the second coupling portion are coupled to each other.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Inventors: Daiki TATSUTA, Osamu MURAYAMA, Yoji TAKAHASHI