What does these say? What era and Swordsmiths? Please help amateur collector

[Dekabyu]

Please any information on these two will be greatly appreciated. 
 

[ChrisW]

I'm afraid this is a clear case of a Chinese fake/reproduction. The Japanese never put kanji on a blade in this manner.

[ROKUJURO]

The second photo is upside-down, but even if it were correctly positioned, KANJI in etching technique are not seen on Japanese swords, as Chris stated above.

The first photo is not nicely focused, and we should see the complete NAKAGO (= tang) without HABAKI, oriented vertically (tip-upwards), and with light from the side.

[Dekabyu]

Thank you that was really helpful