There are also some newer makers, probably using 3D printing technology, whose figures you might consider.
I found this one, from PJ Productions:
https://www.pj-production.be/en/figures-1-48/67-481106-japanese-fighter-pilot-seated-in-ac-wwii.html
PJ Production is in Belgium. I have not used their product myself, but the figure looks pretty good.
I've got figures of similar quality from an outfit called Djiti Production. They don't produce any Japanese figures, unfortunately, but their casting or printing is crisp. I picked up some USAAF, RAF, and Luftwaffe figures, in 1/48.