Patents by Inventor Mitsuaki ZOUDA

Mitsuaki ZOUDA 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: 10894129
    Abstract: A drug injection system includes a cartridge adapter and a drug injection device. The cartridge adapter includes: a main body case; an attachment portion provided on the main body case used for attachment to the drug injection device; an accommodating portion that accommodates therein a drug cartridge; a piston; a piston gear that allows the piston to slide therethrough; a stopper that stops movement of the piston gear; and a release lever that releases a locked state of the piston gear. The drug injection device includes: a casing that accommodates therein a portion of the cartridge adapter; an engagement portion that engages with the cartridge adapter; a drive gear to which the piston gear of the cartridge adapter is connected; a motor connected to the drive gear; and a release bar that drives the release lever of the cartridge adapter.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: January 19, 2021
    Assignee: PHC HOLDINGS CORPORATION
    Inventors: Kazumasa Okamura, Mitsuaki Zouda, Kenji Murakami
  • Publication number: 20190091406
    Abstract: A drug injection system includes a cartridge adapter and a drug injection device. The cartridge adapter includes: a main body case; an attachment portion provided on the main body case used for attachment to the drug injection device; an accommodating portion that accommodates therein a drug cartridge; a piston; a piston gear that allows the piston to slide therethrough; a stopper that stops movement of the piston gear; and a release lever that releases a locked state of the piston gear. The drug injection device includes: a casing that accommodates therein a portion of the cartridge adapter; an engagement portion that engages with the cartridge adapter; a drive gear to which the piston gear of the cartridge adapter is connected; a motor connected to the drive gear; and a release bar that drives the release lever of the cartridge adapter.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 28, 2019
    Inventors: Kazumasa OKAMURA, Mitsuaki ZOUDA, Kenji MURAKAMI