HORIBA, Ltd. manufactures and sells instruments and systems in worldwide. It operates in five segments: Automotive, Environment/Process, Medical, Semiconductor, and Scientific. The Automotive segment offers engine emission measurement devices; in-use vehicle emission measurement devices; on-board emission measurement devices; in-vehicle exhaust gas measuring devices; driveline test systems; engine test systems; brake test systems; fuel cell test devices; battery test devices; and vehicle development engineering and test engineering services, as well as leases and manages research and development facilities.