Patents by Inventor Norihide HASHIMOTO

Norihide HASHIMOTO 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).

  • Recording apparatus
    Patent number: 11845289
    Abstract: A recording apparatus includes a carriage having a recording head and an ink tank that stores ink to be supplied to the recording head, which are mounted on the carriage, wherein the ink tank has an inlet port provided in an upper part of the ink tank, and a prism provided in a lower part of the ink tank, the recording apparatus includes a sensor located under the carriage and having a light-emitting portion that emits light toward the prism and a light-receiving portion that receives light reflected by the prism, and, when the carriage is located at an ink replenishment position where the ink in the ink tank is replenished via the inlet port, the sensor is disposed at a position hidden by the carriage in plan view of the carriage as viewed from above the carriage.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: December 19, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Katsunari Kumagai, Takayuki Yazawa, Norihide Hashimoto, Katsumi Yamada
  • RECORDING APPARATUS
    Publication number: 20220032642
    Abstract: A recording apparatus includes a carriage having a recording head and an ink tank that stores ink to be supplied to the recording head, which are mounted on the carriage, wherein the ink tank has an inlet port provided in an upper part of the ink tank, and a prism provided in a lower part of the ink tank, the recording apparatus includes a sensor located under the carriage and having a light-emitting portion that emits light toward the prism and a light-receiving portion that receives light reflected by the prism, and, when the carriage is located at an ink replenishment position where the ink in the ink tank is replenished via the inlet port, the sensor is disposed at a position hidden by the carriage in plan view of the carriage as viewed from above the carriage.
    Type: Application
    Filed: September 22, 2021
    Publication date: February 3, 2022
    Inventors: Katsunari KUMAGAI, Takayuki YAZAWA, Norihide HASHIMOTO, Katsumi YAMADA
  • Recording apparatus
    Patent number: 11161349
    Abstract: A recording apparatus includes a carriage having a recording head and an ink tank that stores ink to be supplied to the recording head, which are mounted on the carriage, wherein the ink tank has an inlet port provided in an upper part of the ink tank, and a prism provided in a lower part of the ink tank, the recording apparatus includes a sensor located under the carriage and having a light-emitting portion that emits light toward the prism and a light-receiving portion that receives light reflected by the prism, and, when the carriage is located at an ink replenishment position where the ink in the ink tank is replenished via the inlet port, the sensor is disposed at a position hidden by the carriage in plan view of the carriage as viewed from above the carriage.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: November 2, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Katsunari Kumagai, Takayuki Yazawa, Norihide Hashimoto, Katsumi Yamada
  • RECORDING APPARATUS
    Publication number: 20200361220
    Abstract: A recording apparatus includes a carriage having a recording head and an ink tank that stores ink to be supplied to the recording head, which are mounted on the carriage, wherein the ink tank has an inlet port provided in an upper part of the ink tank, and a prism provided in a lower part of the ink tank, the recording apparatus includes a sensor located under the carriage and having a light-emitting portion that emits light toward the prism and a light-receiving portion that receives light reflected by the prism, and, when the carriage is located at an ink replenishment position where the ink in the ink tank is replenished via the inlet port, the sensor is disposed at a position hidden by the carriage in plan view of the carriage as viewed from above the carriage.
    Type: Application
    Filed: May 13, 2020
    Publication date: November 19, 2020
    Inventors: Katsunari KUMAGAI, Takayuki YAZAWA, Norihide HASHIMOTO, Katsumi YAMADA