Patents by Inventor Kenichiro Iwanaga

Kenichiro Iwanaga 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).

  • Nose pad
    Patent number: D444491
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: July 3, 2001
    Assignee: Optec Japan Corporation
    Inventor: Kenichiro Iwanaga
  • Sunglasses
    Patent number: D444804
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: July 10, 2001
    Assignee: Optec Japan Corporation
    Inventor: Kenichiro Iwanaga
  • Sunglasses
    Patent number: D458952
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: June 18, 2002
    Assignee: Optec Japan Corporation
    Inventor: Kenichiro Iwanaga