100 Utility and 1 Design Patents
#341 in Tokyo
#1,493 in Japan
#9,205 in the World
rank by utility patentsForward Citations = 607
Company Filing History:



Toyo Ink Manufacturing Company


4. 2 out of 54
Yokogawa Hokushin Electric Corp.
5. 1 out of 1
Ricoii Company, Limited
where one patent can have more than one assignee
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