47 Utility Patents
#4 in Naka-gun
#8,504 in Japan
#41,162 in the World
Forward Citations = 948
Company Filing History:


Kabushiki Kaisha Topcon
4. 4 out of 153
Tokyo Kogaku Kikai Kabushiki Kaisha
5. 2 out of 830,757 patents
Other
where one patent can have more than one assignee
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