Patents by Inventor Ryohei WADA

Ryohei WADA 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: 12220925
    Abstract: A recording apparatus includes a carriage, a tank, a flow passage, and a valve. The carriage includes a recording head that ejects liquid contained in the tank and supplied from the flow passage. The flow passage includes (i) a fixed flow passage connected to the tank without following a movement of the carriage, (ii) a first flow passage that follows the movement of the carriage and is branched off from the fixed flow passage and connected to the recording head, and (iii) a second flow passage that follows the movement of the carriage and is branched off from the fixed flow passage and connected to the recording head. The valve is provided in one of the first and second flow passages and limits a flow of liquid from the tank to the recording head and allows liquid to flow from the recording head to the tank.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: February 11, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryohei Maruyama, Kenta Iimura, Daigo Kuronuma, Takaya Sato, Tomohito Abe, Naoaki Wada, Masakazu Nagashima, Toshiaki Yamaguchi, Ryutaro Takahashi
  • Publication number: 20220143382
    Abstract: A wiping tip (1) includes a hollow cylindrical member (10), and a cotton-like wiping member (20) arranged on the cylindrical member (10). The cotton-like wiping member (20) constitutes a thin film portion (21) covering an opening at an end of the cylindrical member (10), and an outer circumferential portion (23) extending from the thin film portion (21) and covering an outer circumferential face of the cylindrical member (10) over a predetermined length from the end.
    Type: Application
    Filed: March 5, 2020
    Publication date: May 12, 2022
    Inventors: Junji UKITA, Yasumasa UEHARA, Ryohei WADA