Hello and welcome to the forum!
I have moved your post and started a new thread for your sword. Someone will be along shortly to help you. If not, please be patient, someone will come.
Searching for anything relating to, Anton Boos, 934 Stamm. Kp. Pz. Erz. Abt. 7, 3 Kompanie, Panzer-Regiment 2, 16th Panzer-Division (My father)
Made by Takeyasu
The lacquered numbers are factory assembly numbers. I can't clearly see the numbers when magnified, but they look like
Yours is a kaigunto [navy military sword], and is made of stainless steel; the temper line is cosmetic, not real.
The saya (scabbard) being brown makes it a bit rare, so quite cool! Looks like the handle has the laquered canvas under the wrapping, which makes it late-war. Is there not writing on the other side of the tang (nakago)? There will often be a date or round naval arsenal stamp.
Thanks for all of the info and for letting me finally know what the writing says. Any thoughts on how old the actual sword is? And maybe why there are no other markings. I appreciate it!
The blade is WW2 era
LIFE'S LOSERS NEVER LEARN FROM THE ERROR OF THEIR WAYS.
As Bob says your Imperial Japanese Navy Officer Kai-gunto in Type 97 mounts is WW2 vintage and likely early 1940s from what I see.