48 Utility Patents
#1,065 in Kanagawa
#8,449 in Japan
#41,448 in the World
Forward Citations = 721
Company Filing History:


Tohoku Ricoh Co., Ltd.
4. 4 out of 15,746

5. 2 out of 1,033
Kabushiki Kaisha Topcon
where one patent can have more than one assignee
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