Patents by Inventor Masayoshi YAZAKI

Masayoshi YAZAKI 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).

  • Liquid ejection head and liquid ejection apparatus
    Patent number: 9409404
    Abstract: A liquid ejection head is capable of ejecting a liquid through an ejection port, the liquid being supplied from a liquid container with a negative pressure generating section. The liquid ejection head comprises a liquid chamber configured to contain the liquid, a liquid supply section configured to allow the liquid to be supplied from the liquid container to the liquid chamber, and an opening configured to communicate with the liquid chamber and to enable the liquid and/or a gas to flow into the liquid chamber through the opening.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: August 9, 2016
    Assignee: Canon Finetech, Inc.
    Inventors: Yoshihito Fukuda, Kenro Yamaguchi, Takashi Sugai, Noritaka Ota, Kayo Mukai, Masayoshi Yazaki
  • Liquid ejection head and liquid ejection apparatus
    Patent number: 9399348
    Abstract: A liquid ejection head is capable of ejecting a liquid through an ejection port, the liquid being supplied from a liquid container with a negative pressure generating section. The liquid ejection head comprises a liquid chamber configured to contain the liquid, a liquid supply section configured to allow the liquid to be supplied from the liquid container to the liquid chamber, and an opening configured to communicate with the liquid chamber and to enable the liquid and/or a gas inside the liquid chamber to flow out through the opening.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: July 26, 2016
    Assignee: Canon Finetech, Inc.
    Inventors: Masayoshi Yazaki, Kayo Mukai, Noritaka Ota, Takashi Sugai, Kenro Yamaguchi
  • LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS
    Publication number: 20140285586
    Abstract: A liquid ejection head is capable of ejecting a liquid through an ejection port, the liquid being supplied from a liquid container with a negative pressure generating section. The liquid ejection head comprises a liquid chamber configured to contain the liquid, a liquid supply section configured to allow the liquid to be supplied from the liquid container to the liquid chamber, and an opening configured to communicate with the liquid chamber and to enable the liquid and/or a gas to flow into the liquid chamber through the opening.
    Type: Application
    Filed: March 21, 2014
    Publication date: September 25, 2014
    Applicant: CANON FINETECH INC.
    Inventors: Yoshihito FUKUDA, Kenro YAMAGUCHI, Takashi SUGAI, Noritaka OTA, Kayo MUKAI, Masayoshi YAZAKI
  • LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS
    Publication number: 20140285585
    Abstract: A liquid ejection head is capable of ejecting a liquid through an ejection port, the liquid being supplied from a liquid container with a negative pressure generating section. The liquid ejection head comprises a liquid chamber configured to contain the liquid, a liquid supply section configured to allow the liquid to be supplied from the liquid container to the liquid chamber, and an opening configured to communicate with the liquid chamber and to enable the liquid and/or a gas inside the liquid chamber to flow out through the opening.
    Type: Application
    Filed: March 21, 2014
    Publication date: September 25, 2014
    Applicant: CANON FINETECH INC.
    Inventors: Masayoshi YAZAKI, Kayo MUKAI, Noritaka OTA, Takashi SUGAI, Kenro YAMAGUCHI