Nemoto & Co manufactures and markets a range of Gas Sensor Devices for use by Gas Detection and Gas Analysis Instrument manufacturers worldwide. we do not manufacture complete instruments, but offer high quality Gas Sensi......Nemoto & Co manufactures and markets a range of Gas Sensor Devices for use by Gas Detection and Gas Analysis Instrument manufacturers worldwide. we do not manufacture complete instruments, but offer high quality Gas Sensing devices, technical support and commercial partnership to those companies who do.