12 Utility Patents
#799 in Chiba
#69,890 in Japan
#328,363 in the World
Forward Citations = 69
Company Filing History:
Kawasaki Steel Corporation
Furukawa Aluminum Co., Ltd.

4. 1 out of 5
San-ai Oil Co., Ltd.
5. 1 out of 2,630

where one patent can have more than one assignee
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