27 Utility Patents
#384 in Kyoto 615-0031
#22,332 in Japan
#101,232 in the World
Forward Citations = 209
Company Filing History:
Sumitomo Special Metals Co., Ltd.
4. 1 out of 48
5. 1 out of 5
Nippon Kagaku Yakin Co., Ltd.
where one patent can have more than one assignee
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