Part of the Yanmar Group, Kanzaki Kokyukoki Mfg. Co., Ltd. operates a component manufacturing business that produces hydraulic equipment and transmissions, and marine and other gears. The company’s other main business is the design, manufacture, and sale of machine tools, which are marketed under its own brand. The company’s machine tools can be broadly divided into gear finishing machines based around shaving machines, and lathes that are mainly used on piston lines and for aluminum wheel machining. Over 90% of the company’s customers are automotive parts manufacturers (including motorbike and truck parts). This article describes three types of machine tools for gears, namely gear shapers, gear grinders, and gear honing machines, including user needs and details of potential future developments for gear machine tools