31 Utility and 2 Design Patents
#4,001 in Tokyo
#18,691 in Japan
#87,495 in the World
rank by utility patentsForward Citations = 356
Company Filing History:
Yokogawa Medical Systems, Limited


4. 4 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
5. 3 out of 1,293

where one patent can have more than one assignee
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