Conversation so far:
Can you name an album that Merzbow released in that period from 2009 to present ?
In 2009, Masami Akita produced the albums Camouflage, Somei..., Suzume: 13 Japanese Birds Pt. 1, and many more.
How was the album Gensho received by critics?
AllMusic critic Thom Jurek wrote: Creatively, Gensho is so rich and expansive, fans of both acts should find it indispensable.“
What happened for Merzbow in the year 2009?
Beginning in November 2009, Merzbow started releasing archival material from the 1980s and 1990s, both reissues and previously unreleased material, several of which were released on cassette.

Question: Did they release any albums together?
Self-contained rewrite: Did Masami Akita and Balázs Pándi release any albums together?