Patents by Inventor Fukuji Neya

Fukuji Neya 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 SUPPLY DEVICE, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARGE APPARATUS
    Publication number: 20220017359
    Abstract: A liquid supply device includes a liquid discharge head, a main tank, a first sub-tank, a second sub-tank, a first channel, a degassing device, and a second channel. The liquid discharge head is configured to discharge liquid. The main tank is configured to store liquid to be supplied to the liquid discharge head. The first sub-tank is configured to store gas and liquid and connected to the main tank and the liquid discharge head. The second sub-tank is configured to store gas and liquid and connected to the first sub-tank and the liquid discharge head. The first channel connects between the main tank and the first sub-tank. The degassing device is configured to degas liquid in the first channel. The second Channel connects between the second sub-tank and the first channel.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Hiroshi AZAMI, Fukuji NEYA, Masanao YUZA
  • Liquid supply device, liquid discharge device, and liquid discharge apparatus
    Patent number: 11148932
    Abstract: A liquid supply device includes a liquid discharge head, a main tank, a first sub-tank, a second sub-tank, a first channel, a degassing device, and a second channel. The liquid discharge head is configured to discharge liquid. The main tank is configured to store liquid to be supplied to the liquid discharge head. The first sub-tank is configured to store gas and liquid and connected to the main tank and the liquid discharge head. The second sub-tank is configured to store gas and liquid and connected to the first sub-tank and the liquid discharge head. The first channel connects between the main tank and the first sub-tank. The degassing device is configured to degas liquid in the first channel. The second channel connects between the second sub-tank and the first channel.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: October 19, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroshi Azami, Fukuji Neya, Masanao Yuza
  • LIQUID SUPPLY DEVICE, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARGE APPARATUS
    Publication number: 20200247665
    Abstract: A liquid supply device includes a liquid discharge head, a main tank, a first sub-tank, a second sub-tank, a first channel, a degassing device, and a second channel. The liquid discharge head is configured to discharge liquid. The main tank is configured to store liquid to be supplied to the liquid discharge head. The first sub-tank is configured to store gas and liquid and connected to the main tank and the liquid discharge head. The second sub-tank is configured to store gas and liquid and connected to the first sub-tank and the liquid discharge head. The first channel connects between the main tank and the first sub-tank. The degassing device is configured to degas liquid in the first channel. The second channel connects between the second sub-tank and the first channel.
    Type: Application
    Filed: February 4, 2020
    Publication date: August 6, 2020
    Inventors: Hiroshi AZAMI, Fukuji NEYA, Masanao YUZA
  • Line printer for electronic computer
    Patent number: D340257
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: October 12, 1993
    Assignee: Hitachi Koki Co. Ltd.
    Inventors: Hideki Ishida, Hideaki Hasegawa, Toshiaki Fujieda, Yoshikane Matsumoto, Toshiyuki Ito, Fukuji Neya