41 Utility Patents
#20 in Nishinomiya
#11,296 in Japan
#54,372 in the World
Forward Citations = 463
Company Filing History:
Sumitomo Metal Industries, Inc.
Kabushiki Kaisha Topcon
Nippon Steel & Sumitomo Metal Corporation
4. 3 out of 1,344
Mita Industrial Co., Ltd.
5. 1 out of 832,347 patents
Other
where one patent can have more than one assignee
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