Kenzaburo Okamoto
president

Founded more than four decades ago, Okamoto Seisakusyo has a history of research and development in water and gas control technologies for hot water heaters. Other products of theirs such as safety systems and shut-off valves for intelligent gas meters as well as high-pressure valve devices for construction equipment and railroad cars have been well received by companies in those industries.

Cutting Services Using NC Combined Machines

Precision, High-quality Products from Precision Cutting Technology

Okamoto Seisakusyo has a lineup of outstanding equipment such as an NC combined machine, a six-axis automated lathe, an NC lathe, a machining center and a surface grinder. With this equipment and precision cutting technology, they meet customer needs for rolled steel products as well as forging, surface grinding, brazing, plating and assembly work services.

Their products have many applications including as components and gas hose couplings for gas water heaters, gas bibcocks, high-pressure valves and water faucets.

They supply other products that require particular precision and high quality such as contact parts used in shut-off valves for gas meters, touch panel adjustment valves for tabletop gas stoves, sensor mounting plates for ABS (anti-lock braking system) controls in automobiles, and nozzles for plasma cutters handling plates up to 25 millimeters thick. All of Okamoto Seisakusyo’s products are manufactured to a surface roughness and flatness precision of 1 to 3 micrometers.