24 Utility and 9 Design Patents
#5,733 in Tokyo
#28,136 in Japan
#130,706 in the World
rank by utility patentsForward Citations = 493
Company Filing History:

Oki Electric Industry Co., Ltd.

4. 1 out of 52
Ryoden Semiconductor System Engineering Corporation
where one patent can have more than one assignee
Get your Inventor Badge Today