12 Utility Patents
#13,304 in Tokyo
#69,852 in Japan
#327,802 in the World
Forward Citations = 22
Company Filing History:
Tokyo University of Marine Science and Technology

Kitano Seiki Co., Ltd.
4. 2 out of 2
Tokyo University of Mercantile Marine
5. 1 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
where one patent can have more than one assignee
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