21 Utility and 2 Design Patents
#3,368 in Kanagawa
#34,109 in Japan
#157,673 in the World
rank by utility patentsForward Citations = 796
Company Filing History:



4. 1 out of 20
Ricoh Seiki Company, Ltd.
5. 1 out of 1
Ricoh Elemex Company, Ltd.
where one patent can have more than one assignee
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