Corporate Japan's growing need to rely on new technologies to cope with the shrinking workforce was on show at the recent CEATEC technology exhibition, with service industry companies turning out in greater numbers this year.

As more and more skilled workers reach retirement across various industries in rapidly graying Japan, businesses are turning to new technologies to hand down field experience and knowledge to younger workers.

East Nippon Expressway Co., which operates expressways and toll roads, is one company adopting "mixed reality" technology as it seeks to boost training of inspection and maintenance personnel.