Japanese noise is one of the most documented things within noise culture. There is a lot of older articles, books, interviews with many of the "major players", lots of live videos of bands were put out etc etc.
Anyone planning to write extensive piece about Japanese noise, I would recommend to first check out what is already there. I don't think it would be really annoying task or such, but actually interesting and fun thing to do.
If writing from outside perspective, reviewing tapes, writing something about uknown smaller names etc, of course doable. But also getting to know with artists own visions or how Japanese themselves may feel about their work. Either back then, or now, is interesting.
Like reading the Hijokaidan book, where the idea of noizu is chaos of improvised total noise. And how Hijokaidan was THE noise, and Merzbow of the time was considered to be in lines of "european art music", not really noise.
Or reading recent Government Alpha interview how he would put himself into "4th wave of Japanese noise". I would have thought it as... 3rd wave. Some probably as 2nd. Not that this really matters, but indeed it is the curious difference how one sees things.
In this forum, there is topic called "japanese noise obscurities" or something like that. Worth to check out for some names that you rarely hear when people talk about it.