56 Utility and 3 Design Patents
#1,457 in Tokyo
#6,216 in Japan
#31,199 in the World
rank by utility patentsForward Citations = 654
Company Filing History:


Oki Electric Industry Co., Ltd.
4. 8 out of 1,799

5. 6 out of 1,763

where one patent can have more than one assignee
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