Patents by Inventor Zenichi Ohnuki

Zenichi Ohnuki 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).

  • Nursing bottle
    Patent number: D315213
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: March 5, 1991
    Assignee: Pigeon Co., Ltd.
    Inventor: Zenichi Ohnuki
  • Infant's drinking cup
    Patent number: D322196
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: December 10, 1991
    Assignee: Pigeon Co., Ltd.
    Inventor: Zenichi Ohnuki