Thank You for the responses!
As far as Japanese equivalent, if you look at early war/1st generation electronics of the US, you are pretty close to what the Japanese had to work with. I have read that a VERY Few vessels were equipped with better sonar and radar (supplied by the Germans) but they never had anything to compare with 10cm radar, 147 Sword Sonar or hedgehog. At least to my knowledge which is not always as extensive as I'd like to think it is

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