Type 99 magnetic anti-tank mine (fuze delay 5-6 seconds, charge 1.5 lb TNT)
Anti-tank Grenade
Type 96 triple 25mm air defense/anti-tank gun is the standard light anti-aircraft gun of Japanese navy, which was found on almost all Japanese warships during World War II, although its effectiveness as an anti-aircraft gun is relatively poor.
40 mm air defense/anti-tank gun
20mm anti-tank gun (20mm should be considered as gun) firing rate 12 rounds/minute, initial velocity 2500 feet/second. This thing is very practical for Japanese "adzuki bean" tanks. . .
Type 98 20 mm air defense/anti-tank rapid-fire gun
47 mm anti-tank gun
Type 94 37 mm anti-tank gun
1 1 37mm light anti-tank gun
7.7 mm anti-tank machine gun (sweat to death! ~7.7 mm hitting people is ok. . . )
57 mm tank gun (on tank)
References:
/war/jsls/sort 0 13/sort 04/info-2096 . html