Big During ~ small Business introduction Automotive functional parts business Car door lock We develop and produce high-quality functional parts used in automobiles. Among them, the side door latch for automobiles occupies the top class share in the world market. In addition to Japan, we have production bases in the United States, United Kingdom, China, Thailand, etc., and have established an optimal delivery system that meets global needs. Pursuing a more compact and highly safe door lock through repeated original research and development. We are also taking on the challenge of developing systems that control electronics and functional components. About us TOP message Management Philosophy Company Profile List of officers Organization chart List of major bases History news release Business introduction Functional materials business Metal business Automotive functional parts business Related business List of affiliated companies Electric zinc quote Research and Development Basic Evaluation Laboratory Functional Materials Research Laboratories Development center Resources Division Shareholder / Investor Information Management policy Performance / financial information IR library IR event Stock information To individual investors FAQ Disclaimer Inquiries about IR IR news CSR CSR concept Environmental report Activity topics