6 Utility Patents
#817 in Hiroshima, 729-3431
#137,033 in Japan
#670,791 in the World
Forward Citations = 5
Company Filing History:


Ikutoku Gakuen
where one patent can have more than one assignee
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#817 in Hiroshima, 729-3431
#137,033 in Japan
#670,791 in the World
Company Filing History:


Get your Inventor Badge Today