Tokyo
Japan
2
2011-03-24
2
2014-08-12
These are the the leading inventors for applications assigned to H. C. Starck Ltd.:
H. C. Starck Ltd. based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Method for production of niobium and tantalum powder
#2 | 2007-10-04 ✅ Patent 7,824,463 granted on 2010-11-02Method for the production of niobium and tantalum powder
212804 ⎘