Patents by Inventor Shoichi Ishizawa

Shoichi Ishizawa 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: 10118398
    Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: November 6, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Koji Nishimaki, Naomi Kimura, Shoma Kudo, Shoichi Ishizawa, Yoshiyuki Tanaka, Koji Kawai, Makoto Omuro
  • Patent number: 10011118
    Abstract: A recording apparatus includes a recording head configured to discharge an ink onto paper for recording, a case accommodating at least the recording head, a reading device openable and closable between an open position and a closed position, a liquid container having a liquid storage chamber for storing the ink to be supplied to the recording head and an injection port enabling the ink to be injected from the outside to the inside of the liquid storage chamber, a blocking member configured to block the injection port by coming into contact with the injection port, and a cover provided such that the cover can be opened or closed between an open position where the injection port is exposed and a closed position where the injection port is not exposed. The blocking member is mounted on the cover.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: July 3, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hidenao Suzuki, Shoichi Ishizawa, Yoshiyuki Tanaka, Makoto Omuro, Koji Kawai
  • Publication number: 20170291423
    Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: KOJI NISHIMAKI, NAOMI KIMURA, SHOMA KUDO, SHOICHI ISHIZAWA, YOSHIYUKI TANAKA, KOJI KAWAI, MAKOTO OMURO
  • Publication number: 20170274661
    Abstract: A recording apparatus includes a recording head configured to discharge an ink onto paper for recording, a case accommodating at least the recording head, a reading device openable and closable between an open position and a closed position, a liquid container having a liquid storage chamber for storing the ink to be supplied to the recording head and an injection port enabling the ink to be injected from the outside to the inside of the liquid storage chamber, a blocking member configured to block the injection port by coming into contact with the injection port, and a cover provided such that the cover can be opened or closed between an open position where the injection port is exposed and a closed position where the injection port is not exposed. The blocking member is mounted on the cover.
    Type: Application
    Filed: June 14, 2017
    Publication date: September 28, 2017
    Inventors: Hidenao SUZUKI, Shoichi ISHIZAWA, Yoshiyuki TANAKA, Makoto OMURO, Koji KAWAI
  • Patent number: 9707769
    Abstract: A recording apparatus includes a recording head configured to discharge an ink onto paper for recording, a case accommodating at least the recording head, a reading device openable and closable between an open position and a closed position, a liquid container having a liquid storage chamber for storing the ink to be supplied to the recording head and an injection port enabling the ink to be injected from the outside to the inside of the liquid storage chamber, a blocking member configured to block the injection port by coming into contact with the injection port, and a cover provided such that the cover can be opened or closed between an open position where the injection port is exposed and a closed position where the injection port is not exposed. The blocking member is mounted on the cover.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: July 18, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Hidenao Suzuki, Shoichi Ishizawa, Yoshiyuki Tanaka, Makoto Omuro, Koji Kawai
  • Patent number: 9707768
    Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: July 18, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Koji Nishimaki, Naomi Kimura, Shoma Kudo, Shoichi Ishizawa, Yoshiyuki Tanaka, Koji Kawai, Makoto Omuro
  • Patent number: 9676201
    Abstract: Provided is an ink tank including: a wall portion that constitutes a liquid containing portion for containing ink; a liquid injection port for injecting the ink into the liquid containing portion, the liquid injection port being provided above the liquid containing portion; and a liquid visual check portion that is translucent and through which a position of a liquid surface of the ink can be visually checked from the outside, the liquid visual check portion being a part of the wall portion constituting the liquid containing portion. The liquid visual check portion has an inclined portion that inclines relative to a vertical direction.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: June 13, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Makoto Omuro, Yoshiyuki Tanaka, Shoichi Ishizawa, Koji Kawai
  • Publication number: 20170057235
    Abstract: A recording apparatus includes a recording head configured to discharge an ink onto paper for recording, a case accommodating at least the recording head, a reading device openable and closable between an open position and a closed position, a liquid container having a liquid storage chamber for storing the ink to be supplied to the recording head and an injection port enabling the ink to be injected from the outside to the inside of the liquid storage chamber, a blocking member configured to block the injection port by coming into contact with the injection port, and a cover provided such that the cover can be opened or closed between an open position where the injection port is exposed and a closed position where the injection port is not exposed. The blocking member is mounted on the cover.
    Type: Application
    Filed: August 2, 2016
    Publication date: March 2, 2017
    Inventors: Hidenao SUZUKI, Shoichi ISHIZAWA, Yoshiyuki TANAKA, Makoto OMURO, Koji KAWAI
  • Publication number: 20160271962
    Abstract: Provided is an ink tank including: a wall portion that constitutes a liquid containing portion for containing ink; a liquid injection port for injecting the ink into the liquid containing portion, the liquid injection port being provided above the liquid containing portion; and a liquid visual check portion that is translucent and through which a position of a liquid surface of the ink can be visually checked from the outside, the liquid visual check portion being a part of the wall portion constituting the liquid containing portion. The liquid visual check portion has an inclined portion that inclines relative to a vertical direction.
    Type: Application
    Filed: March 16, 2016
    Publication date: September 22, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Makoto OMURO, Yoshiyuki TANAKA, Shoichi ISHIZAWA, Koji KAWAI
  • Publication number: 20160264306
    Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Applicant: Seiko Epson Corporation
    Inventors: Koji NISHIMAKI, Naomi KIMURA, Shoma KUDO, Shoichi ISHIZAWA, Yoshiyuki TANAKA, Koji KAWAI, Makoto OMURO
  • Patent number: D751613
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: March 15, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shoichi Ishizawa, Yoshiyuki Tanaka, Makoto Omuro, Koji Kawai, Naomi Kimura, Shoma Kudo, Koji Nishimaki
  • Patent number: D780257
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 28, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D780258
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 28, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D780259
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 28, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D780842
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: March 7, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D784444
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: April 18, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D786345
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: May 9, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naomi Kimura, Shoma Kudo, Koji Nishimaki, Yoshiyuki Tanaka, Shoichi Ishizawa, Makoto Omuro, Koji Kawai
  • Patent number: D818039
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: May 15, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shinsuke Tomomatsu, Shin Yokota, Shoichi Ishizawa
  • Patent number: D862471
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 8, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shoichi Ishizawa, Katsuyuki Endo, Yoshiki Kinoshita
  • Patent number: D863301
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 15, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shoichi Ishizawa, Katsuyuki Endo, Yoshiki Kinoshita