Did Japs have radar and/or asdic(sonar)?

[hyperion2206]

Originally Posted by Tobus

I was wondering. I thought ASDIC was a British invention used in combo with the Americans for the Atlantic battle during WW2. Now I am being pinged by ASDIC in december 41 by jap destroyers. Did the japs also have ASDIC? And later on, surface radar on ships?

Just curious.

I think the Japanese had some sort of ASDIC but I think only few ships actually had it. The Japanese had radar as well; I think it was available in '44 and it didn't work very well.