JEOL Ltd. engages in the research, development, manufacture, and marketing of scientific and metrology instruments, semiconductor and industrial equipment, and medical equipment in Japan, the United States, China, and internationally. The company operates through three segments: Scientific and Metrology Instruments, Industrial Equipment, and Medical Equipment. It provides transmission electron microscopes, scanning electron microscopes, nuclear magnetic resonance and mass spectrometers, x-ray fluorescence spectrometers, electron diffractometers, ion beam application equipment, instruments for micro area and surface analysis, electron beam lithography systems, electron microscopes for semiconductors, and clinical chemistry analyzers. The company also offers industrial equipment, including thin film formation equipment, material processing equipment, and an electron beam metal AM machine. In addition, it engages in the processing, maintenance, and services of related products and parts, as well as procurement and sale of peripherals. It serves electrical/electronic components, batteries, energy, automobiles, steel, metal, chemistry, plastic/polymer, glass/ceramic, laboratory/pathology, biology, medicine/drug discovery, food/plant, environment, defense/aerospace, and other industries. The company was formerly known as Japan Electron Optics Laboratory Co., Ltd. and changed its name to JEOL Ltd. in 1961. JEOL Ltd. was incorporated in 1949 and is headquartered in Akishima, Japan.