Further detailed results from each of the respective rwppi working groups were then presented by : mr . fujiki of the physical format wg ; mr . shinohara teac of the logical format writer wg ; mr . kawahara pioneer of the logical format recorder wg ; and mr . shinoki kenwood of the playback compatibility wg 各工作组的成果，分别由物理格式化工作组藤木先生jvc逻辑格式化书写器工作组筱原先生teac逻辑格式化记录器工作组川原先生先锋播放兼容性工作组筱木先生建伍公布。
