The 23rd Tribology Conference was held at Pacifico Yokohama Conference Center on the 27th January, 2012. [With Kyodo Yushi as Secretariat and Dr. Yoshitugu Kimura, professor emeritus of the University of Tokyo and Kagawa University, as chairperson.] The theme of the conference was “Tribology adapting to increasingly diverse global needs” and speakers from different industries gave lectures on latest relevant technologies.