Japan possessed numerous working magnetron designs by the end of the war. The limiting factor was not a total absence of ideas but the electronics industry's capacity to exploit them. Without standardized mass production, advanced components could not transform fleet-wide detection and fire control. The moment is a clear distinction between invention and deployable military capability.
Notable Point · 3:28:03-3:28:22
Japanese magnetron designs exceeded production capacity
A short follow-up shows why possessing advanced working magnetrons did not give Japan an Allied-scale radar system.