15 Utility Patents
#7 in Fukuoka-ken
#51,964 in Japan
#238,595 in the World
Forward Citations = 455
Company Filing History:

Ohtsuka Patent Office
Canon Kabushiki Xaisha
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#7 in Fukuoka-ken
#51,964 in Japan
#238,595 in the World
Company Filing History:

Get your Inventor Badge Today