79 Utility and 2 Design Patents
#698 in Tokyo
#2,836 in Japan
#15,792 in the World
rank by utility patentsForward Citations = 1,009
Company Filing History:



4. 3 out of 24
Nippon Sanso Kabushiki Kaisha
5. 2 out of 832,448 patents
Other
where one patent can have more than one assignee
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