52 Utility and 4 Design Patents
#10 in Azumino
#7,044 in Japan
#35,280 in the World
rank by utility patentsForward Citations = 349
Company Filing History:



4. 2 out of 929
Sumitomo Metal Industries, Inc.
5. 1 out of 1
Harminic Drive Systems Inc.
where one patent can have more than one assignee
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