Keyence is not exactly a household name, even by the low-key standards of corporate Japan. Ask most people, including some professional market-watchers, and the odds are they will struggle to say much about it. Put the same question to the world’s factory-owners, and they will recognise it instantly. Founded in 1974 by Takizaki Takemitsu, a young entrepreneur without a university degree, the company has for decades been helping…