12 Utility and 8 Design Patents
#13,314 in Tokyo
#69,890 in Japan
#328,108 in the World
rank by utility patentsForward Citations = 114
Company Filing History:


Oki Electric Industry Co., Ltd.
4. 1 out of 37

5. 1 out of 4
Denka Engineering Kabushiki Kaisha
where one patent can have more than one assignee
Get your Inventor Badge Today