I got some japanese mess kit but need help identification

[Yamadacanteen]

Hello my name joe i just started to collect japanese mess kit and i found some mess kit have only logo i need to know is post war or wartime can you guy help me please!
First one is osaka aluminum not have any date or kanji


And the red mess kit have logo look like a sun

And this one marking look like child

The last one is japan made or US ?

[Type4]

Controll if thr 3 part had a engreve of war time, many who i can see in your pictures are post war, this same model is in production to day too. War time one have this

caracteristics









The engraves need be in this positions

[Yamadacanteen]

Thank you for helping me I have 3 mess kit same as you mess kit
i do hope at least is ww2 civilian mess kit thanks again

[Type4]

That in the pictures are military mess kit, the rest are civil or post war