42 Utility Patents
#1 in Tobu
#10,907 in Japan
#52,357 in the World
Forward Citations = 418
Company Filing History:

Other

4. 6 out of 35
5. 3 out of 42,456

where one patent can have more than one assignee
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#1 in Tobu
#10,907 in Japan
#52,357 in the World
Company Filing History:



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