Originally Posted by
JimR
The Yasuki Factory in Yasugi Used to be an independent steelmaker, then it was bought by Hitachi (in the 1960s, I believe). Since then, both names are applied to it--probably as a kind of appeal to tradition.
As for "in the tradition of tamahagane", I think it unlikely since Yasugi is one location where they still hold a traditional Tatara smelting. It's possible, I guess, especially since they didn't write the Kanji...
One thing, what is that at the end of "Tamahagane" on the tang? R? RK?