4 Utility and 12 Design Patents
#11 in Itami
#1,870 in Japan
#18,683 in the World
rank by design patentsForward Citations = 84
Company Filing History:
Sumitomo Electric Hardmetal Corp.
Aisin Fukui Corporation
Big Daishowa Seiki Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today