Tang markings translation please

[EBRWorks]

I apologize if these photos are in the wrong orientation. Thanks very much!

 

[Toritoribe]

昭和二十年三月
March 1945

康光
Yasumitsu

Yasumitsu is a swordsmith in Seki during WW2. His real name is 野口照次郎 Noguchi Terujirō.

 

[EBRWorks]

Fantastic. Thanks so much!