Less than 20 percent of Japanese companies are using generative artificial intelligence in their operations, due largely to worries about inadequate internal expertise, a recent survey by a research organization showed. Concerns about the reliability of generative AI, which has started to gain attention as a tool for improving business efficiency, are also a factor in many Japanese firms’ reluctance to embrace it, Teikoku Databank Ltd. said. Among the 4,705 primarily small and medium-sized enterprises surveyed, only 17.3 percent said they are using generative AI. While 26.8 percent said they a…