22 Utility and 18 Design Patents
#125 in Itami
#30,271 in Japan
#136,407 in the World
rank by utility patentsForward Citations = 539
Company Filing History:
Sumitomo Electric Hardmetal Corp.
Sumitomo Electric Tool Net, Inc.
4. 4 out of 51
Hartmetall-werkzeugfabrik Paul Horn Gmbh
where one patent can have more than one assignee
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