Joined Cases T-22/02 and T-23/02: Judgment of the Court of First Instance of 6 October 2005 — Sumitomo Chemical and Sumika Fine Chemicals v Commission (Competition — Cartels in the vitamin sector — Commission Decision finding infringements that have ceased and not imposing fines — Regulation (EEC) No 2988/74 — Time-limit on the power of the Commission to impose fines or penalties — Principle of legal certainty — Presumption of innocence — Legitimate interest in finding that infringements have been committed)