34 Utility and 4 Design Patents
#3,485 in Tokyo
#16,052 in Japan
#75,646 in the World
rank by utility patentsForward Citations = 481
Company Filing History:



4. 5 out of 4,979
Oki Electric Industry Co., Ltd.
5. 4 out of 1,625

where one patent can have more than one assignee
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