27 Utility and 7 Design Patents
#4,914 in Tokyo
#23,412 in Japan
#109,262 in the World
rank by utility patentsForward Citations = 146
Company Filing History:



4. 2 out of 3
Ein Co. Ltd. Technical Center
5. 1 out of 832,843 patents
Other
where one patent can have more than one assignee
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