By any standard, Patrick Rainsford has experienced both the high and the lows of business. Back in 2001, he ranked as one of the country’s richest men, selling a company he co-founded with his long-time business partner Peter Conlon for €102 million. MVT developed optical inspection tools for electronics manufacturing companies and was sold to Agilent Technologies in an all-cash deal. And this was only part of his portfolio. eMuse, an advertising technology company he founded before the MVT deal, was being touted as the next big thing. In 2000, it raised seed capital at a €40 million valuation. Rainsford…