25 Utility Patents
#5,432 in Tokyo
#26,415 in Japan
#122,850 in the World
Forward Citations = 45
Company Filing History:

Unizeo Co., Ltd.
Mitsui Minings & Melting Co., Ltd.
4. 2 out of 4
Nat'l University Corp. Yokohama Nat'l University
5. 1 out of 16,453

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