Patents by Inventor Ai Yoshida

Ai Yoshida 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).

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    Patent number: D678323
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: March 19, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Ai Yoshida, Hiroshi Yamaguchi, Mikane Ichikawa, Daisuke Taniuchi, Asaki Umezawa
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    Patent number: D678903
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: March 26, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Ai Yoshida, Hiroshi Yamaguchi, Mikane Ichikawa, Daisuke Taniuchi, Asaki Umezawa