Pet4aSorry for the late addition, I'm pretty new here but posting this for others in the future. For the Revolution knives, only the blades are manufactured in Japan. The knives are assembled in China and the blades are sharpened in China. From their web site:
"Where are Kyocera knives made?
All of Kyocera’s ceramic knives are designed in Japan. All of Kyocera’s zirconia blades are manufactured in Japan. Kyotop and LTD series are exclusively made in Japan. The Revolution series knives are assembled and sharpened in China."
https://kyoceraadvancedceramics.com/ceramic-advantage/frequently-asked-questions