6 Utility Patents
#1,538 in Kariya
#139,734 in Japan
#697,961 in the World
Forward Citations = 8
Company Filing History:

The Gakushuin School Corporation
where one patent can have more than one assignee
Get your Inventor Badge Today
#1,538 in Kariya
#139,734 in Japan
#697,961 in the World
Company Filing History:

Get your Inventor Badge Today