According to Nikkeiron glycinate vs ferrous fumaratei News on Janferrous gluconate vs ferrous glycinate. 19, 2016, Japan’s Patent Office under the Mferric pyrophosphate advantagesinistry of Economy, Trade and Industry (METI) is planning to draft regurda ferrous fumaratelations on a new patent system for food funciron gluconate brandstions which should be implemented by April this year.