Patents by Inventor Shigenori Nakagawa
Shigenori Nakagawa 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).
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Patent number: 12214595Abstract: A liquid container connected to a liquid ejection apparatus for ejecting a liquid, includes a container for containing liquid and a filter section for collecting foreign matter, an injection port for injecting the liquid into the container and a lead out port for leading out the liquid from the container are opened in the container, and the filter part is positioned in the injection port.Type: GrantFiled: September 28, 2022Date of Patent: February 4, 2025Assignee: Seiko Epson CorporationInventors: Jun Shimazaki, Azusa Takagi, Kazuyoshi Mizuno, Shigenori Nakagawa
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Publication number: 20250010646Abstract: A recording device 11 includes a transport belt 25; a recording section 12 configured to record an image on a medium 99 by ejecting pigment ink onto the medium 99; and a washing mechanism 31 configured to wash the transport belt 25 with washing liquid, wherein the washing mechanism 31 includes a storage section 35 configured to store washing liquid, a first detection section 59 configured to detect an ink concentration of black ink contained in washing liquid, a second detection section 60 configured to detect an ink concentration of pigment ink contained in the washing liquid, and a washing control section 65, the second detection section 60 detects the ink concentration of the pigment ink, and the washing control section 65 determines a threshold based on the ink concentration of the black ink detected, and discharges washing liquid from the storage section 35 based on the threshold.Type: ApplicationFiled: July 3, 2024Publication date: January 9, 2025Inventors: Yasunori ONISHI, Shigenori NAKAGAWA, Kazutoshi FUJISHIMA, Katsumasa TANAKA, Takahiro MATSUZAKI, Shuhei NISHIZAWA, Kohei YAMADA, Tsukasa EGUCHI, Atsushi MATSUO, Toshiyuki NOZAWA
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Publication number: 20240391257Abstract: A liquid ejection device includes a transport section configured to transport a medium along a first axis, a liquid ejection section configured to eject a liquid to the medium, a housing that houses the transport section and the liquid ejection section, a fan disposed at an end section of the housing along a second axis, which intersects the first axis of the housing, and that feeds air into the housing, a flow path member in which are formed an opening along the second axis and a flow passage for guiding air that was fed by the fan, a first partition plate disposed in the flow path and configured to guide, toward the opening, air fed along the second axis, and a second partition plate disposed in the flow path and configured to guide, toward the opening, air fed along the second axis.Type: ApplicationFiled: May 22, 2024Publication date: November 28, 2024Inventors: Bingruo ZHANG, Katsuya ASAMOTO, Shigenori NAKAGAWA
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Patent number: 12128672Abstract: 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: GrantFiled: September 13, 2022Date of Patent: October 29, 2024Assignee: Seiko Epson CorporationInventors: Yuya Yumoto, Junpei Yamashita, Osamu Murayama, Shinya Yamazaki, Nobuaki Kamiyama, Shigenori Nakagawa
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Patent number: 12098054Abstract: 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: GrantFiled: August 18, 2022Date of Patent: September 24, 2024Assignee: Seiko Epson CorporationInventors: Yuya Yumoto, Junpei Yamashita, Osamu Murayama, Shinya Yamazaki, Nobuaki Kamiyama, Shigenori Nakagawa
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Patent number: 12077011Abstract: A printing apparatus includes a glue belt as an example of a transport belt including a support unit configured to support a medium, the support unit being configured to transport a medium by moving the support unit, a liquid ejecting unit configured to eject liquid onto a medium supported by the support unit, and a dyeing unit configured to perform dyeing by immersing a medium in dyeing liquid. Printing is performed on the medium by combining dyeing by the dyeing unit and ejecting by the liquid ejecting unit.Type: GrantFiled: December 28, 2021Date of Patent: September 3, 2024Assignee: Seiko Epson CorporationInventors: Shin Komatsu, Satoru Kobayashi, Shigenori Nakagawa, Yoshitaka Miyajima, Saeko Maruyama
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Patent number: 12070950Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a first wiping portion which is able to wipe away the liquid that is adhered to the nozzle surface, and a second wiping portion which is able to hold the liquid that is adhered to the nozzle surface by contacting the nozzle surface, wherein it is possible to perform a first maintenance operation in which the nozzle surface is wiped using the first wiping portion and a second maintenance operation in which the second wiping portion is caused to contact the nozzle surface due to the second wiping portion being biased by the first wiping portion.Type: GrantFiled: May 5, 2023Date of Patent: August 27, 2024Assignee: Seiko Epson CorporationInventors: Shigenori Nakagawa, Keiji Matsumoto
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Patent number: 11983449Abstract: A cartridge providing system includes a printer ejecting, onto a printing medium, a liquid (recording material) supplied from a cartridge, and a server managing provision of the cartridge to a plurality of users that use the printer. The server determines whether an unused stock, which is a stock that remains unused for a first period or longer, is present in a stock of cartridges held by each of the plurality of users. In a case in which it is determined that an unused stock is present in the stock held by a first user of the plurality of users, when a period until a usage expiry date of the unused stock is less than a first threshold value, the server specifies a second user, of the plurality of users, to be provided with the unused stock, based on user stock data in which the stock of cartridges held by the user is registered, and on usage amount data indicating a usage amount of the cartridge.Type: GrantFiled: August 17, 2023Date of Patent: May 14, 2024Assignee: Seiko Epson CorporationInventors: Shuji Yonekubo, Shigenori Nakagawa, Yoshihisa Horikawa
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Patent number: 11972158Abstract: A cartridge provision system includes a printer that ejects liquid (recording material) supplied from a cartridge onto a print medium; and a server 10 that manages a provision of the cartridge to a user of the printer, wherein the server 10 manages vendor inventory data 22, which is data that associated an inventory of the cartridge held by a sales company who provisions the cartridge to the user with expiration date of the cartridge, and a location data 33, which indicates the location of the user, and determines, when the sales company provisions the cartridge to the user, which expiration date of the cartridge should be provided from the inventory of the cartridge held by the sales company based on the vendor inventory data 22 and the location data 33.Type: GrantFiled: August 17, 2023Date of Patent: April 30, 2024Assignee: Seiko Epson CorporationInventors: Shuji Yonekubo, Shigenori Nakagawa, Yoshihisa Horikawa
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Publication number: 20240061627Abstract: A cartridge provision system includes a printer that ejects liquid (recording material) supplied from a cartridge onto a print medium; and a server 10 that manages a provision of the cartridge to a user of the printer, wherein the server 10 manages vendor inventory data 22, which is data that associated an inventory of the cartridge held by a sales company who provisions the cartridge to the user with expiration date of the cartridge, and a location data 33, which indicates the location of the user, and determines, when the sales company provisions the cartridge to the user, which expiration date of the cartridge should be provided from the inventory of the cartridge held by the sales company based on the vendor inventory data 22 and the location data 33.Type: ApplicationFiled: August 17, 2023Publication date: February 22, 2024Inventors: Shuji YONEKUBO, Shigenori NAKAGAWA, Yoshihisa HORIKAWA
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Publication number: 20240059073Abstract: A cartridge providing system includes a printer ejecting a liquid (recording material) supplied from a cartridge, and a server managing provision of the cartridge to users that use the printer. Based on user stock data of each of the users, the server determines whether an unused stock, which is a stock that remains unused for a first period or longer from a start of holding, is present in a stock of the cartridges held by each of the users. If it is determined that an unused stock is present in the stock held by a first user, when a period until a usage expiry date of the unused stock is less than a first threshold value, the server sets a collection recommendation flag to the unused stock in the user stock data of the first user, the collection recommendation flag indicating the cartridge recommended for collection.Type: ApplicationFiled: August 15, 2023Publication date: February 22, 2024Inventors: Shuji YONEKUBO, Shigenori NAKAGAWA, Yoshihisa HORIKAWA
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Publication number: 20240061628Abstract: A cartridge providing system includes a printer ejecting, onto a printing medium, a liquid (recording material) supplied from a cartridge, and a server managing provision of the cartridge to a plurality of users that use the printer. The server determines whether an unused stock, which is a stock that remains unused for a first period or longer, is present in a stock of cartridges held by each of the plurality of users. In a case in which it is determined that an unused stock is present in the stock held by a first user of the plurality of users, when a period until a usage expiry date of the unused stock is less than a first threshold value, the server specifies a second user, of the plurality of users, to be provided with the unused stock, based on user stock data in which the stock of cartridges held by the user is registered, and on usage amount data indicating a usage amount of the cartridge.Type: ApplicationFiled: August 17, 2023Publication date: February 22, 2024Inventors: Shuji YONEKUBO, Shigenori NAKAGAWA, Yoshihisa HORIKAWA
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Publication number: 20240062154Abstract: A cartridge providing system includes a printer ejecting, onto a printing medium, a liquid (recording material) supplied from a cartridge, and a server managing provision of the cartridge to a user that uses the printer. The server manages user stock data, which is data associating a stock of the cartridges held by the user with usage expiry dates thereof, and vendor stock data, which is data associating a stock of the cartridges held by a sales company providing the cartridge to the user with usage expiry dates thereof. When the sales company provides the cartridge to the user, the server determines, based on the vendor stock data and the user stock data, the cartridge of which usage expiry date is to be provided from among the stock of the cartridges held by the sales company.Type: ApplicationFiled: August 17, 2023Publication date: February 22, 2024Inventors: Shuji YONEKUBO, Shigenori NAKAGAWA, Hitoshi IGARASHI, Tsuneyuki SASAKI, Takuya SONOYAMA, Saeko MARUYAMA, Yoshihisa HORIKAWA
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Patent number: 11789386Abstract: 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: GrantFiled: August 17, 2022Date of Patent: October 17, 2023Assignee: Seiko Epson CorporationInventors: Yuya Yumoto, Junpei Yamashita, Osamu Murayama, Shinya Yamazaki, Nobuaki Kamiyama, Shigenori Nakagawa
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Patent number: 11787210Abstract: A printing system includes: a transport belt that configured to support and transport a medium, a liquid jetting unit configured to perform a printing operation by jetting a liquid to the medium, a storage tank that is an example of a cleaning liquid storage unit configured to store a cleaning liquid, a cleaning unit configured to perform a cleaning operation of the transporting belt using the cleaning liquid stored in the storage tank, a coagulation tank configured to store the cleaning liquid used for cleaning operation and to which a coagulating agent is added, and a separation unit configured to separate, from the cleaning liquid, a coagulated material produced by coagulation caused by adding the coagulating agent to the cleaning liquid. The cleaning liquid from which the coagulated material is separated by the separation unit is supplied to the storage tank.Type: GrantFiled: November 24, 2021Date of Patent: October 17, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Satoru Kobayashi, Shigenori Nakagawa, Shin Komatsu, Yoshitaka Miyajima
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Publication number: 20230271420Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a first wiping portion which is able to wipe away the liquid that is adhered to the nozzle surface, and a second wiping portion which is able to hold the liquid that is adhered to the nozzle surface by contacting the nozzle surface, wherein it is possible to perform a first maintenance operation in which the nozzle surface is wiped using the first wiping portion and a second maintenance operation in which the second wiping portion is caused to contact the nozzle surface due to the second wiping portion being biased by the first wiping portion.Type: ApplicationFiled: May 5, 2023Publication date: August 31, 2023Inventors: Shigenori NAKAGAWA, Keiji MATSUMOTO
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Patent number: 11679590Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid from a nozzle that is disposed on a nozzle surface, a first wiping portion which is able to wipe away the liquid that is adhered to the nozzle surface, and a second wiping portion which is able to hold the liquid that is adhered to the nozzle surface by contacting the nozzle surface, wherein it is possible to perform a first maintenance operation in which the nozzle surface is wiped using the first wiping portion and a second maintenance operation in which the second wiping portion is caused to contact the nozzle surface due to the second wiping portion being biased by the first wiping portion.Type: GrantFiled: May 26, 2021Date of Patent: June 20, 2023Assignee: Seiko Epson CorporationInventors: Shigenori Nakagawa, Keiji Matsumoto
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Publication number: 20230106773Abstract: The liquid container which can be attached to or detached from a coupler coupled to a liquid ejector for ejecting a liquid and can be installed at a position separated from the liquid ejector, the liquid container includes a liquid accommodation vessel having an accommodation chamber for accommodating the liquid and an injection port for injecting the liquid into the accommodation chamber, and a coupling section having a lead-out section capable of leading out the liquid in the accommodation chamber and couplable to the coupler.Type: ApplicationFiled: September 29, 2022Publication date: April 6, 2023Inventors: Jun SHIMAZAKI, Azusa TAKAGI, Kazuyoshi MIZUNO, Shigenori NAKAGAWA
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Publication number: 20230100918Abstract: A liquid container connected to a liquid ejection apparatus for ejecting a liquid, includes a container for containing liquid and a filter section for collecting foreign matter, an injection port for injecting the liquid into the container and a lead out port for leading out the liquid from the container are opened in the container, and the filter part is positioned in the injection port.Type: ApplicationFiled: September 28, 2022Publication date: March 30, 2023Inventors: Jun SHIMAZAKI, Azusa TAKAGI, Kazuyoshi MIZUNO, Shigenori NAKAGAWA
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Publication number: 20230079017Abstract: 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: ApplicationFiled: September 13, 2022Publication date: March 16, 2023Inventors: Yuya YUMOTO, Junpei YAMASHITA, Osamu MURAYAMA, Shinya YAMAZAKI, Nobuaki KAMIYAMA, Shigenori NAKAGAWA