On November 13 and 14, 2025, a delegation from the National Metrology Institute of Japan (NMIJ) visited our institute. In addition to discussions, there were two interesting lectures by our Japanese colleagues.

Fujita Kazuaki - "Introduction and developments of NMIJ electrostatic force (voltage) balance apparatus" Naoki Kuramoto - "Realizing the kilogram using a Si sphere (X-ray crystal density method)"