67 Utility and 7 Design Patents
#336 in Yokohama
#4,090 in Japan
#21,649 in the World
rank by utility patentsForward Citations = 549
Company Filing History:


Otsuka Techno Corporation
4. 7 out of 6,126

5. 6 out of 52,568

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