110 Utility and 2 Design Patents
#226 in Kanagawa
#1,197 in Japan
#7,862 in the World
rank by utility patentsForward Citations = 513
Company Filing History:

Kabushiki Kaisha Topcon

4. 5 out of 13,305

5. 5 out of 58,116

where one patent can have more than one assignee
Get your Inventor Badge Today