99 Utility and 34 Design Patents
#367 in Tokyo
#1,584 in Japan
#9,770 in the World
rank by utility patentsForward Citations = 1,514
Company Filing History:



Nec Tokin Corporation


4. 18 out of 3,491
Nippon Steel Corporation
5. 10 out of 42,438

where one patent can have more than one assignee
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