I am pleased to report that Mizuno sent me some photos and data from a replication now underway in at the Hokkaido University of Science in Sapporo (https://www.hus.ac.jp/eng/). Input is 500 W and output is ~650 W. I uploaded some details and graphs. See p. 6:
https://www.lenr-canr.org/acrobat/MizunoTsupplement.pdf
