11 Utility Patents
#412 in Tsukuba
#77,051 in Japan
#363,721 in the World
Forward Citations = 47
Company Filing History:
Research Development Corporation of Japan
Other
National Institute for Research in Inorganic Materials
4. 3 out of 3,540
Nippon Steel Corporation
5. 3 out of 1,530

where one patent can have more than one assignee
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