What is the fine-grained topic of the following text: ITOCHU Corporation (headquartered in Minato-ku, Tokyo; Masahiro Okafuji, President & CEO; hereinafter "ITOCHU") announced today that an Inauguration Ceremony was held on September 22, 2012 with a participation of the concerned parties, in the State of Oregon, the United States, after the completion of the Caithness Shepherds Flat Wind Project to which ITOCHU is participating via its subsidiary Tyr Energy, together with Caithness Energy, GE Energy Financial Services, Google Inc. and Sumitomo Corporation of America. Only return the topic.
Inauguration Ceremony of the Caithness Shepherds Flat Wind Project by ITOCHU Corporation